{
  "id": "/fuzhou/festivals/1916",
  "place": {
    "id": "1810821",
    "slug": "fuzhou",
    "name": "Fuzhou",
    "region": "Fujian, China",
    "country": "CN",
    "lat": 26.06139,
    "lon": 119.30611,
    "elevation_m": 14,
    "tz": "Asia/Shanghai"
  },
  "year": 1916,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-01-01",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5138,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-01-01T05:24:27+08:00",
          "utc": "1915-12-31T21:24:27Z",
          "ms": -1704162933386.7727
        },
        "end": {
          "local": "1916-01-02T02:47:25+08:00",
          "utc": "1916-01-01T18:47:25Z",
          "ms": -1704085955442.281
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-01-01T05:24:27+08:00",
          "utc": "1915-12-31T21:24:27Z",
          "ms": -1704162933386.7727
        },
        "end": {
          "local": "1916-01-02T02:47:25+08:00",
          "utc": "1916-01-01T18:47:25Z",
          "ms": -1704085955442.281
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-01-01",
          "window": {
            "start": {
              "local": "1916-01-01T06:50:05+08:00",
              "utc": "1915-12-31T22:50:05Z",
              "ms": -1704157795491.866
            },
            "end": {
              "local": "1916-01-01T06:50:05+08:00",
              "utc": "1915-12-31T22:50:05Z",
              "ms": -1704157795491.866
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-01-02",
          "window": {
            "start": {
              "local": "1916-01-02T06:50:23+08:00",
              "utc": "1916-01-01T22:50:23Z",
              "ms": -1704071377115.5525
            },
            "end": {
              "local": "1916-01-02T06:50:23+08:00",
              "utc": "1916-01-01T22:50:23Z",
              "ms": -1704071377115.5525
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:24 on Sat 1 Jan to 02:47 on Sun 2 Jan.",
          "fact": "1915-12-31T21:24:27Z → 1916-01-01T18:47:25Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:50 on the 1st and 06:50 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5138 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Fuzhou, 1916: Saturday 1 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saphalā Ekādaśī 1916 falls on Saturday 1 January. Ekādaśī runs from 05:24 on Sat 1 Jan to 02:47 on Sun 2 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-01-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-01-03",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3544,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-01-02T23:39:29+08:00",
          "utc": "1916-01-02T15:39:29Z",
          "ms": -1704010830527.685
        },
        "end": {
          "local": "1916-01-03T20:09:44+08:00",
          "utc": "1916-01-03T12:09:44Z",
          "ms": -1703937015958.7576
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-01-02T23:39:29+08:00",
          "utc": "1916-01-02T15:39:29Z",
          "ms": -1704010830527.685
        },
        "end": {
          "local": "1916-01-03T20:09:44+08:00",
          "utc": "1916-01-03T12:09:44Z",
          "ms": -1703937015958.7576
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-01-02",
          "window": {
            "start": {
              "local": "1916-01-02T17:22:15+08:00",
              "utc": "1916-01-02T09:22:15Z",
              "ms": -1704033464517.137
            },
            "end": {
              "local": "1916-01-02T19:10:03+08:00",
              "utc": "1916-01-02T11:10:03Z",
              "ms": -1704026997259.6445
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "1916-01-03",
          "window": {
            "start": {
              "local": "1916-01-03T17:22:56+08:00",
              "utc": "1916-01-03T09:22:56Z",
              "ms": -1703947024254.6267
            },
            "end": {
              "local": "1916-01-03T19:10:40+08:00",
              "utc": "1916-01-03T11:10:40Z",
              "ms": -1703940560277.7646
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:39 on Sun 2 Jan to 20:10 on Mon 3 Jan.",
          "fact": "1916-01-02T15:39:29Z → 1916-01-03T12:09:44Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:22–19:10 on the 2nd, 17:23–19:11 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 2nd and 108 of 108 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3544 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Monday 3 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Monday 3 January. Trayodaśī runs from 23:39 on Sun 2 Jan to 20:10 on Mon 3 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-01-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-01-03",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12792,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-01-03T20:09:44+08:00",
          "utc": "1916-01-03T12:09:44Z",
          "ms": -1703937015958.7576
        },
        "end": {
          "local": "1916-01-04T16:28:09+08:00",
          "utc": "1916-01-04T08:28:09Z",
          "ms": -1703863910775.7026
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-01-03T20:09:44+08:00",
          "utc": "1916-01-03T12:09:44Z",
          "ms": -1703937015958.7576
        },
        "end": {
          "local": "1916-01-04T16:28:09+08:00",
          "utc": "1916-01-04T08:28:09Z",
          "ms": -1703863910775.7026
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-01-03",
          "window": {
            "start": {
              "local": "1916-01-03T23:42:56+08:00",
              "utc": "1916-01-03T15:42:56Z",
              "ms": -1703924224341.3945
            },
            "end": {
              "local": "1916-01-04T00:30:56+08:00",
              "utc": "1916-01-03T16:30:56Z",
              "ms": -1703921344341.3945
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-01-04",
          "window": {
            "start": {
              "local": "1916-01-04T23:43:23+08:00",
              "utc": "1916-01-04T15:43:23Z",
              "ms": -1703837796726.1128
            },
            "end": {
              "local": "1916-01-05T00:31:23+08:00",
              "utc": "1916-01-04T16:31:23Z",
              "ms": -1703834916726.1128
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 20:10 on Mon 3 Jan to 16:28 on Tue 4 Jan.",
          "fact": "1916-01-03T12:09:44Z → 1916-01-04T08:28:09Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 3rd, 23:43–00:31 on the 4th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12792 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Monday 3 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Monday 3 January. Caturdaśī runs from 20:10 on Mon 3 Jan to 16:28 on Tue 4 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-01-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-01-08",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30779,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-01-08T03:12:06+08:00",
          "utc": "1916-01-07T19:12:06Z",
          "ms": -1703566073619.866
        },
        "end": {
          "local": "1916-01-09T01:04:05+08:00",
          "utc": "1916-01-08T17:04:05Z",
          "ms": -1703487354750.214
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-01-08T03:12:06+08:00",
          "utc": "1916-01-07T19:12:06Z",
          "ms": -1703566073619.866
        },
        "end": {
          "local": "1916-01-09T01:04:05+08:00",
          "utc": "1916-01-08T17:04:05Z",
          "ms": -1703487354750.214
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-01-08",
          "window": {
            "start": {
              "local": "1916-01-08T11:45:05+08:00",
              "utc": "1916-01-08T03:45:05Z",
              "ms": -1703535294649.6978
            },
            "end": {
              "local": "1916-01-08T12:33:05+08:00",
              "utc": "1916-01-08T04:33:05Z",
              "ms": -1703532414649.6978
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-01-09",
          "window": {
            "start": {
              "local": "1916-01-09T11:45:31+08:00",
              "utc": "1916-01-09T03:45:31Z",
              "ms": -1703448868530.9023
            },
            "end": {
              "local": "1916-01-09T12:33:31+08:00",
              "utc": "1916-01-09T04:33:31Z",
              "ms": -1703445988530.9023
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 03:12 on Sat 8 Jan to 01:04 on Sun 9 Jan.",
          "fact": "1916-01-07T19:12:06Z → 1916-01-08T17:04:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 8th, 11:46–12:34 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30779 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Saturday 8 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Saturday 8 January. Caturthī runs from 03:12 on Sat 8 Jan to 01:04 on Sun 9 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-01-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18033,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        },
        "end": {
          "local": "1916-02-13T01:28:40+08:00",
          "utc": "1916-02-12T17:28:40Z",
          "ms": -1700461880401.1135
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        },
        "end": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1916-01-14",
          "window": {
            "start": {
              "local": "1916-01-13T17:30:09+08:00",
              "utc": "1916-01-13T09:30:09Z",
              "ms": -1703082590500.5935
            },
            "end": {
              "local": "1916-01-14T17:30:55+08:00",
              "utc": "1916-01-14T09:30:55Z",
              "ms": -1702996144981.221
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1916-01-15",
          "window": {
            "start": {
              "local": "1916-01-14T17:30:55+08:00",
              "utc": "1916-01-14T09:30:55Z",
              "ms": -1702996144981.221
            },
            "end": {
              "local": "1916-01-15T17:31:41+08:00",
              "utc": "1916-01-15T09:31:41Z",
              "ms": -1702909699230.7825
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "1916-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 12:30 on Fri 14 Jan.",
          "fact": "1916-01-14T04:30:22Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 18033 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Fuzhou, 1916: Thursday 13 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "bhogi",
        "follows": {
          "festival": "pongal",
          "days": -1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1916-01-13",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "1916-01-13",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Fuzhou, Bhogi 1916 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 12:30 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/bhogi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18033,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        },
        "end": {
          "local": "1916-02-13T01:28:40+08:00",
          "utc": "1916-02-12T17:28:40Z",
          "ms": -1700461880401.1135
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        },
        "end": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1916-01-14",
          "window": {
            "start": {
              "local": "1916-01-13T17:30:09+08:00",
              "utc": "1916-01-13T09:30:09Z",
              "ms": -1703082590500.5935
            },
            "end": {
              "local": "1916-01-14T17:30:55+08:00",
              "utc": "1916-01-14T09:30:55Z",
              "ms": -1702996144981.221
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1916-01-15",
          "window": {
            "start": {
              "local": "1916-01-14T17:30:55+08:00",
              "utc": "1916-01-14T09:30:55Z",
              "ms": -1702996144981.221
            },
            "end": {
              "local": "1916-01-15T17:31:41+08:00",
              "utc": "1916-01-15T09:31:41Z",
              "ms": -1702909699230.7825
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 12:30 on Fri 14 Jan.",
          "fact": "1916-01-14T04:30:22Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 18033 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Fuzhou, 1916: Friday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "pongal",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.",
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1916-01-14",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "1916-01-14",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Fuzhou, Pongal 1916 falls on Friday 14 January. The Sun enters Makara at 12:30 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pongal",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 41378,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        },
        "end": {
          "local": "1916-02-13T01:28:40+08:00",
          "utc": "1916-02-12T17:28:40Z",
          "ms": -1700461880401.1135
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        },
        "end": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "1916-01-14",
          "window": {
            "start": {
              "local": "1916-01-14T00:00:00+08:00",
              "utc": "1916-01-13T16:00:00Z",
              "ms": -1703059200000
            },
            "end": {
              "local": "1916-01-15T00:00:00+08:00",
              "utc": "1916-01-14T16:00:00Z",
              "ms": -1702972800000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "1916-01-15",
          "window": {
            "start": {
              "local": "1916-01-15T00:00:00+08:00",
              "utc": "1916-01-14T16:00:00Z",
              "ms": -1702972800000
            },
            "end": {
              "local": "1916-01-16T00:00:00+08:00",
              "utc": "1916-01-15T16:00:00Z",
              "ms": -1702886400000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 12:30 on Fri 14 Jan.",
          "fact": "1916-01-14T04:30:22Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Fuzhou.",
          "fact": "civil-day: midnight-to-midnight · Asia/Shanghai"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from midnight → only-day · margin 41378 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Fuzhou, 1916: Friday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "makara-sankranti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "midnight"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "1916-01-14",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "1916-01-14",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Fuzhou, Makara Saṅkrānti 1916 falls on Friday 14 January. The Sun enters Makara at 12:30 on Fri 14 Jan, and the rule counts the day from midnight.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/makara-sankranti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18033,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        },
        "end": {
          "local": "1916-02-13T01:28:40+08:00",
          "utc": "1916-02-12T17:28:40Z",
          "ms": -1700461880401.1135
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        },
        "end": {
          "local": "1916-01-14T12:30:22+08:00",
          "utc": "1916-01-14T04:30:22Z",
          "ms": -1703014178273.1318
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1916-01-14",
          "window": {
            "start": {
              "local": "1916-01-13T17:30:09+08:00",
              "utc": "1916-01-13T09:30:09Z",
              "ms": -1703082590500.5935
            },
            "end": {
              "local": "1916-01-14T17:30:55+08:00",
              "utc": "1916-01-14T09:30:55Z",
              "ms": -1702996144981.221
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1916-01-15",
          "window": {
            "start": {
              "local": "1916-01-14T17:30:55+08:00",
              "utc": "1916-01-14T09:30:55Z",
              "ms": -1702996144981.221
            },
            "end": {
              "local": "1916-01-15T17:31:41+08:00",
              "utc": "1916-01-15T09:31:41Z",
              "ms": -1702909699230.7825
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "1916-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 12:30 on Fri 14 Jan.",
          "fact": "1916-01-14T04:30:22Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 18033 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Fuzhou, 1916: Saturday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "mattu-pongal",
        "follows": {
          "festival": "pongal",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1916-01-15",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "1916-01-15",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Fuzhou, Mattu Pongal 1916 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 12:30 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/mattu-pongal",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-01-15",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1825,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-01-15T03:54:12+08:00",
          "utc": "1916-01-14T19:54:12Z",
          "ms": -1702958748146.9858
        },
        "end": {
          "local": "1916-01-16T06:21:44+08:00",
          "utc": "1916-01-15T22:21:44Z",
          "ms": -1702863496092.921
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-01-15T03:54:12+08:00",
          "utc": "1916-01-14T19:54:12Z",
          "ms": -1702958748146.9858
        },
        "end": {
          "local": "1916-01-16T06:21:44+08:00",
          "utc": "1916-01-15T22:21:44Z",
          "ms": -1702863496092.921
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-01-15",
          "window": {
            "start": {
              "local": "1916-01-15T06:52:11+08:00",
              "utc": "1916-01-14T22:52:11Z",
              "ms": -1702948068591.6658
            },
            "end": {
              "local": "1916-01-15T06:52:11+08:00",
              "utc": "1916-01-14T22:52:11Z",
              "ms": -1702948068591.6658
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-01-16",
          "window": {
            "start": {
              "local": "1916-01-16T06:52:09+08:00",
              "utc": "1916-01-15T22:52:09Z",
              "ms": -1702861670775.5867
            },
            "end": {
              "local": "1916-01-16T06:52:09+08:00",
              "utc": "1916-01-15T22:52:09Z",
              "ms": -1702861670775.5867
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:54 on Sat 15 Jan to 06:22 on Sun 16 Jan.",
          "fact": "1916-01-14T19:54:12Z → 1916-01-15T22:21:44Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:52 on the 15th and 06:52 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1825 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 1916: Saturday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 1916 falls on Saturday 15 January. Ekādaśī runs from 03:54 on Sat 15 Jan to 06:22 on Sun 16 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-01-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-01-17",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21347,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-01-17T08:59:31+08:00",
          "utc": "1916-01-17T00:59:31Z",
          "ms": -1702767628832.4634
        },
        "end": {
          "local": "1916-01-18T11:38:12+08:00",
          "utc": "1916-01-18T03:38:12Z",
          "ms": -1702671708288.3335
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-01-17T08:59:31+08:00",
          "utc": "1916-01-17T00:59:31Z",
          "ms": -1702767628832.4634
        },
        "end": {
          "local": "1916-01-18T11:38:12+08:00",
          "utc": "1916-01-18T03:38:12Z",
          "ms": -1702671708288.3335
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-01-17",
          "window": {
            "start": {
              "local": "1916-01-17T17:33:13+08:00",
              "utc": "1916-01-17T09:33:13Z",
              "ms": -1702736807178.0479
            },
            "end": {
              "local": "1916-01-17T19:19:43+08:00",
              "utc": "1916-01-17T11:19:43Z",
              "ms": -1702730416851.779
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "1916-01-18",
          "window": {
            "start": {
              "local": "1916-01-18T17:33:59+08:00",
              "utc": "1916-01-18T09:33:59Z",
              "ms": -1702650360943.3804
            },
            "end": {
              "local": "1916-01-18T19:20:22+08:00",
              "utc": "1916-01-18T11:20:22Z",
              "ms": -1702643977683.7397
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:00 on Mon 17 Jan to 11:38 on Tue 18 Jan.",
          "fact": "1916-01-17T00:59:31Z → 1916-01-18T03:38:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:33–19:20 on the 17th, 17:34–19:20 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 17th and 0 of 106 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21347 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Monday 17 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Monday 17 January. Trayodaśī runs from 09:00 on Mon 17 Jan to 11:38 on Tue 18 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-01-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-01-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3205,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-01-23T21:22:05+08:00",
          "utc": "1916-01-23T13:22:05Z",
          "ms": -1702204674666.1917
        },
        "end": {
          "local": "1916-01-24T22:07:46+08:00",
          "utc": "1916-01-24T14:07:46Z",
          "ms": -1702115534073.8826
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-01-23T21:22:05+08:00",
          "utc": "1916-01-23T13:22:05Z",
          "ms": -1702204674666.1917
        },
        "end": {
          "local": "1916-01-24T22:07:46+08:00",
          "utc": "1916-01-24T14:07:46Z",
          "ms": -1702115534073.8826
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-01-23",
          "window": {
            "start": {
              "local": "1916-01-23T20:19:47+08:00",
              "utc": "1916-01-23T12:19:47Z",
              "ms": -1702208412951.5361
            },
            "end": {
              "local": "1916-01-23T20:19:47+08:00",
              "utc": "1916-01-23T12:19:47Z",
              "ms": -1702208412951.5361
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-01-24",
          "window": {
            "start": {
              "local": "1916-01-24T21:14:21+08:00",
              "utc": "1916-01-24T13:14:21Z",
              "ms": -1702118738889.3948
            },
            "end": {
              "local": "1916-01-24T21:14:21+08:00",
              "utc": "1916-01-24T13:14:21Z",
              "ms": -1702118738889.3948
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 21:22 on Sun 23 Jan to 22:08 on Mon 24 Jan.",
          "fact": "1916-01-23T13:22:05Z → 1916-01-24T14:07:46Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:20 on the 23rd and 21:14 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3205 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Monday 24 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Monday 24 January. Caturthī runs from 21:22 on Sun 23 Jan to 22:08 on Mon 24 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-01-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-01-31",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-01-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21073,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-01-30T15:27:12+08:00",
          "utc": "1916-01-30T07:27:12Z",
          "ms": -1701621168398.4495
        },
        "end": {
          "local": "1916-01-31T12:39:50+08:00",
          "utc": "1916-01-31T04:39:50Z",
          "ms": -1701544810341.9517
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-01-30T15:27:12+08:00",
          "utc": "1916-01-30T07:27:12Z",
          "ms": -1701621168398.4495
        },
        "end": {
          "local": "1916-01-31T12:39:50+08:00",
          "utc": "1916-01-31T04:39:50Z",
          "ms": -1701544810341.9517
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-01-30",
          "window": {
            "start": {
              "local": "1916-01-30T06:49:01+08:00",
              "utc": "1916-01-29T22:49:01Z",
              "ms": -1701652259064.5664
            },
            "end": {
              "local": "1916-01-30T06:49:01+08:00",
              "utc": "1916-01-29T22:49:01Z",
              "ms": -1701652259064.5664
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-01-31",
          "window": {
            "start": {
              "local": "1916-01-31T06:48:37+08:00",
              "utc": "1916-01-30T22:48:37Z",
              "ms": -1701565883367.5615
            },
            "end": {
              "local": "1916-01-31T06:48:37+08:00",
              "utc": "1916-01-30T22:48:37Z",
              "ms": -1701565883367.5615
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:27 on Sun 30 Jan to 12:40 on Mon 31 Jan.",
          "fact": "1916-01-30T07:27:12Z → 1916-01-31T04:39:50Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:49 on the 30th and 06:49 on the 31st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21073 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 1916: Monday 31 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-01-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-01-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 1916 falls on Monday 31 January. Ekādaśī runs from 15:27 on Sun 30 Jan to 12:40 on Mon 31 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-01-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-02-01",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29321,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-02-01T09:36:02+08:00",
          "utc": "1916-02-01T01:36:02Z",
          "ms": -1701469437523.7307
        },
        "end": {
          "local": "1916-02-02T06:23:22+08:00",
          "utc": "1916-02-01T22:23:22Z",
          "ms": -1701394597972.9758
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-01T09:36:02+08:00",
          "utc": "1916-02-01T01:36:02Z",
          "ms": -1701469437523.7307
        },
        "end": {
          "local": "1916-02-02T06:23:22+08:00",
          "utc": "1916-02-01T22:23:22Z",
          "ms": -1701394597972.9758
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-02-01",
          "window": {
            "start": {
              "local": "1916-02-01T17:44:44+08:00",
              "utc": "1916-02-01T09:44:44Z",
              "ms": -1701440116083.583
            },
            "end": {
              "local": "1916-02-01T19:29:08+08:00",
              "utc": "1916-02-01T11:29:08Z",
              "ms": -1701433852083.7617
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "1916-02-02",
          "window": {
            "start": {
              "local": "1916-02-02T17:45:29+08:00",
              "utc": "1916-02-02T09:45:29Z",
              "ms": -1701353671204.4443
            },
            "end": {
              "local": "1916-02-02T19:29:43+08:00",
              "utc": "1916-02-02T11:29:43Z",
              "ms": -1701347416973.3083
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:36 on Tue 1 Feb to 06:23 on Wed 2 Feb.",
          "fact": "1916-02-01T01:36:02Z → 1916-02-01T22:23:22Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:29 on the 1st, 17:45–19:30 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 1st and 0 of 104 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29321 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Tuesday 1 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Tuesday 1 February. Trayodaśī runs from 09:36 on Tue 1 Feb to 06:23 on Wed 2 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-02-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1462,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-02-02T06:23:22+08:00",
          "utc": "1916-02-01T22:23:22Z",
          "ms": -1701394597972.9758
        },
        "end": {
          "local": "1916-02-03T03:10:09+08:00",
          "utc": "1916-02-02T19:10:09Z",
          "ms": -1701319791118.5603
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-02T06:23:22+08:00",
          "utc": "1916-02-01T22:23:22Z",
          "ms": -1701394597972.9758
        },
        "end": {
          "local": "1916-02-03T03:10:09+08:00",
          "utc": "1916-02-02T19:10:09Z",
          "ms": -1701319791118.5603
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1916-02-02",
          "window": {
            "start": {
              "local": "1916-02-02T05:03:20+08:00",
              "utc": "1916-02-01T21:03:20Z",
              "ms": -1701399400084.7441
            },
            "end": {
              "local": "1916-02-02T06:47:44+08:00",
              "utc": "1916-02-01T22:47:44Z",
              "ms": -1701393136084.9229
            }
          },
          "covered_min": 24,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "1916-02-03",
          "window": {
            "start": {
              "local": "1916-02-03T05:03:01+08:00",
              "utc": "1916-02-02T21:03:01Z",
              "ms": -1701313018702.061
            },
            "end": {
              "local": "1916-02-03T06:47:16+08:00",
              "utc": "1916-02-02T22:47:16Z",
              "ms": -1701306764470.925
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:23 on Wed 2 Feb to 03:10 on Thu 3 Feb.",
          "fact": "1916-02-01T22:23:22Z → 1916-02-02T19:10:09Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:03–06:48 on the 2nd, 05:03–06:47 on the 3rd.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 24 of 104 minutes on the 2nd and 0 of 104 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1462 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Fuzhou, 1916: Wednesday 2 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Tarpaṇa 1916 falls on Wednesday 2 February. Caturdaśī runs from 06:23 on Wed 2 Feb to 03:10 on Thu 3 Feb and covers 24 of 104 minutes of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/yama-tarpana",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-02-02",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8987,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-02-02T06:23:22+08:00",
          "utc": "1916-02-01T22:23:22Z",
          "ms": -1701394597972.9758
        },
        "end": {
          "local": "1916-02-03T03:10:09+08:00",
          "utc": "1916-02-02T19:10:09Z",
          "ms": -1701319791118.5603
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-02T06:23:22+08:00",
          "utc": "1916-02-01T22:23:22Z",
          "ms": -1701394597972.9758
        },
        "end": {
          "local": "1916-02-03T03:10:09+08:00",
          "utc": "1916-02-02T19:10:09Z",
          "ms": -1701319791118.5603
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-02-01",
          "window": {
            "start": {
              "local": "1916-02-01T23:52:14+08:00",
              "utc": "1916-02-01T15:52:14Z",
              "ms": -1701418066084.253
            },
            "end": {
              "local": "1916-02-02T00:40:14+08:00",
              "utc": "1916-02-01T16:40:14Z",
              "ms": -1701415186084.253
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-02-02",
          "window": {
            "start": {
              "local": "1916-02-02T23:52:22+08:00",
              "utc": "1916-02-02T15:52:22Z",
              "ms": -1701331657837.6846
            },
            "end": {
              "local": "1916-02-03T00:40:22+08:00",
              "utc": "1916-02-02T16:40:22Z",
              "ms": -1701328777837.6846
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:23 on Wed 2 Feb to 03:10 on Thu 3 Feb.",
          "fact": "1916-02-01T22:23:22Z → 1916-02-02T19:10:09Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 1st, 23:52–00:40 on the 2nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8987 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Wednesday 2 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Wednesday 2 February. Caturdaśī runs from 06:23 on Wed 2 Feb to 03:10 on Thu 3 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-02-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2309,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-02-06T17:09:56+08:00",
          "utc": "1916-02-06T09:09:56Z",
          "ms": -1701010203504.9932
        },
        "end": {
          "local": "1916-02-07T16:04:44+08:00",
          "utc": "1916-02-07T08:04:44Z",
          "ms": -1700927716340.0415
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-06T17:09:56+08:00",
          "utc": "1916-02-06T09:09:56Z",
          "ms": -1701010203504.9932
        },
        "end": {
          "local": "1916-02-07T16:04:44+08:00",
          "utc": "1916-02-07T08:04:44Z",
          "ms": -1700927716340.0415
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-02-06",
          "window": {
            "start": {
              "local": "1916-02-06T17:48:25+08:00",
              "utc": "1916-02-06T09:48:25Z",
              "ms": -1701007894796.8845
            },
            "end": {
              "local": "1916-02-06T19:31:59+08:00",
              "utc": "1916-02-06T11:31:59Z",
              "ms": -1701001680982.2659
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "1916-02-07",
          "window": {
            "start": {
              "local": "1916-02-07T17:49:08+08:00",
              "utc": "1916-02-07T09:49:08Z",
              "ms": -1700921451574.8926
            },
            "end": {
              "local": "1916-02-07T19:32:32+08:00",
              "utc": "1916-02-07T11:32:32Z",
              "ms": -1700915248174.9307
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:10 on Sun 6 Feb to 16:05 on Mon 7 Feb.",
          "fact": "1916-02-06T09:09:56Z → 1916-02-07T08:04:44Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:48–19:32 on the 6th, 17:49–19:33 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during pradoṣa. It covers 104 of 104 minutes on the 6th and 0 of 103 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2309 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Fuzhou, 1916: Sunday 6 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Tila Caturthī 1916 falls on Sunday 6 February. Caturthī runs from 17:10 on Sun 6 Feb to 16:05 on Mon 7 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/tila-chaturthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12215,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-02-06T17:09:56+08:00",
          "utc": "1916-02-06T09:09:56Z",
          "ms": -1701010203504.9932
        },
        "end": {
          "local": "1916-02-07T16:04:44+08:00",
          "utc": "1916-02-07T08:04:44Z",
          "ms": -1700927716340.0415
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-06T17:09:56+08:00",
          "utc": "1916-02-06T09:09:56Z",
          "ms": -1701010203504.9932
        },
        "end": {
          "local": "1916-02-07T16:04:44+08:00",
          "utc": "1916-02-07T08:04:44Z",
          "ms": -1700927716340.0415
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-02-06",
          "window": {
            "start": {
              "local": "1916-02-06T11:53:04+08:00",
              "utc": "1916-02-06T03:53:04Z",
              "ms": -1701029216180.6958
            },
            "end": {
              "local": "1916-02-06T12:41:04+08:00",
              "utc": "1916-02-06T04:41:04Z",
              "ms": -1701026336180.6958
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-02-07",
          "window": {
            "start": {
              "local": "1916-02-07T11:53:09+08:00",
              "utc": "1916-02-07T03:53:09Z",
              "ms": -1700942811381.0684
            },
            "end": {
              "local": "1916-02-07T12:41:09+08:00",
              "utc": "1916-02-07T04:41:09Z",
              "ms": -1700939931381.0684
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:10 on Sun 6 Feb to 16:05 on Mon 7 Feb.",
          "fact": "1916-02-06T09:09:56Z → 1916-02-07T08:04:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 6th, 11:53–12:41 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 12215 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Fuzhou, 1916: Monday 7 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1916 falls on Monday 7 February. Caturthī runs from 17:10 on Sun 6 Feb to 16:05 on Mon 7 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ganesha-jayanti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11064,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1916-02-07T16:04:44+08:00",
          "utc": "1916-02-07T08:04:44Z",
          "ms": -1700927716340.0415
        },
        "end": {
          "local": "1916-02-08T15:45:37+08:00",
          "utc": "1916-02-08T07:45:37Z",
          "ms": -1700842462957.5217
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-07T16:04:44+08:00",
          "utc": "1916-02-07T08:04:44Z",
          "ms": -1700927716340.0415
        },
        "end": {
          "local": "1916-02-08T15:45:37+08:00",
          "utc": "1916-02-08T07:45:37Z",
          "ms": -1700842462957.5217
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-02-07",
          "window": {
            "start": {
              "local": "1916-02-07T11:53:09+08:00",
              "utc": "1916-02-07T03:53:09Z",
              "ms": -1700942811381.0684
            },
            "end": {
              "local": "1916-02-07T12:41:09+08:00",
              "utc": "1916-02-07T04:41:09Z",
              "ms": -1700939931381.0684
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-02-08",
          "window": {
            "start": {
              "local": "1916-02-08T11:53:13+08:00",
              "utc": "1916-02-08T03:53:13Z",
              "ms": -1700856407406.7612
            },
            "end": {
              "local": "1916-02-08T12:41:13+08:00",
              "utc": "1916-02-08T04:41:13Z",
              "ms": -1700853527406.7612
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 16:05 on Mon 7 Feb to 15:46 on Tue 8 Feb.",
          "fact": "1916-02-07T08:04:44Z → 1916-02-08T07:45:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 7th, 11:53–12:41 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11064 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Fuzhou, 1916: Tuesday 8 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Pañcamī 1916 falls on Tuesday 8 February. Pañcamī runs from 16:05 on Mon 7 Feb to 15:46 on Tue 8 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shri-panchami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11064,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1916-02-07T16:04:44+08:00",
          "utc": "1916-02-07T08:04:44Z",
          "ms": -1700927716340.0415
        },
        "end": {
          "local": "1916-02-08T15:45:37+08:00",
          "utc": "1916-02-08T07:45:37Z",
          "ms": -1700842462957.5217
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-07T16:04:44+08:00",
          "utc": "1916-02-07T08:04:44Z",
          "ms": -1700927716340.0415
        },
        "end": {
          "local": "1916-02-08T15:45:37+08:00",
          "utc": "1916-02-08T07:45:37Z",
          "ms": -1700842462957.5217
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-02-07",
          "window": {
            "start": {
              "local": "1916-02-07T11:53:09+08:00",
              "utc": "1916-02-07T03:53:09Z",
              "ms": -1700942811381.0684
            },
            "end": {
              "local": "1916-02-07T12:41:09+08:00",
              "utc": "1916-02-07T04:41:09Z",
              "ms": -1700939931381.0684
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-02-08",
          "window": {
            "start": {
              "local": "1916-02-08T11:53:13+08:00",
              "utc": "1916-02-08T03:53:13Z",
              "ms": -1700856407406.7612
            },
            "end": {
              "local": "1916-02-08T12:41:13+08:00",
              "utc": "1916-02-08T04:41:13Z",
              "ms": -1700853527406.7612
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 16:05 on Mon 7 Feb to 15:46 on Tue 8 Feb.",
          "fact": "1916-02-07T08:04:44Z → 1916-02-08T07:45:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 7th, 11:53–12:41 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11064 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Fuzhou, 1916: Tuesday 8 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasanta Pañcamī 1916 falls on Tuesday 8 February. Pañcamī runs from 16:05 on Mon 7 Feb to 15:46 on Tue 8 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vasanta-panchami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34213,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1916-02-09T16:14:11+08:00",
          "utc": "1916-02-09T08:14:11Z",
          "ms": -1700754349489.405
        },
        "end": {
          "local": "1916-02-10T17:28:04+08:00",
          "utc": "1916-02-10T09:28:04Z",
          "ms": -1700663515973.2363
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-09T16:14:11+08:00",
          "utc": "1916-02-09T08:14:11Z",
          "ms": -1700754349489.405
        },
        "end": {
          "local": "1916-02-10T17:28:04+08:00",
          "utc": "1916-02-10T09:28:04Z",
          "ms": -1700663515973.2363
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1916-02-09",
          "window": {
            "start": {
              "local": "1916-02-09T05:00:45+08:00",
              "utc": "1916-02-08T21:00:45Z",
              "ms": -1700794755078.386
            },
            "end": {
              "local": "1916-02-09T06:43:58+08:00",
              "utc": "1916-02-08T22:43:58Z",
              "ms": -1700788562207.6233
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "1916-02-10",
          "window": {
            "start": {
              "local": "1916-02-10T05:00:18+08:00",
              "utc": "1916-02-09T21:00:18Z",
              "ms": -1700708381794.2424
            },
            "end": {
              "local": "1916-02-10T06:43:20+08:00",
              "utc": "1916-02-09T22:43:20Z",
              "ms": -1700702199562.5686
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 16:14 on Wed 9 Feb to 17:28 on Thu 10 Feb.",
          "fact": "1916-02-09T08:14:11Z → 1916-02-10T09:28:04Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:01–06:44 on the 9th, 05:00–06:43 on the 10th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during aruṇodaya. It covers 0 of 103 minutes on the 9th and 103 of 103 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34213 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Fuzhou, 1916: Thursday 10 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ratha Saptamī 1916 falls on Thursday 10 February. Saptamī runs from 16:14 on Wed 9 Feb to 17:28 on Thu 10 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ratha-saptami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-02-14",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13365,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-02-14T00:18:30+08:00",
          "utc": "1916-02-13T16:18:30Z",
          "ms": -1700379690426.4165
        },
        "end": {
          "local": "1916-02-15T02:57:11+08:00",
          "utc": "1916-02-14T18:57:11Z",
          "ms": -1700283769118.1648
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-14T00:18:30+08:00",
          "utc": "1916-02-13T16:18:30Z",
          "ms": -1700379690426.4165
        },
        "end": {
          "local": "1916-02-15T02:57:11+08:00",
          "utc": "1916-02-14T18:57:11Z",
          "ms": -1700283769118.1648
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-02-14",
          "window": {
            "start": {
              "local": "1916-02-14T06:40:39+08:00",
              "utc": "1916-02-13T22:40:39Z",
              "ms": -1700356760732.4917
            },
            "end": {
              "local": "1916-02-14T06:40:39+08:00",
              "utc": "1916-02-13T22:40:39Z",
              "ms": -1700356760732.4917
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-02-15",
          "window": {
            "start": {
              "local": "1916-02-15T06:39:56+08:00",
              "utc": "1916-02-14T22:39:56Z",
              "ms": -1700270403837.1155
            },
            "end": {
              "local": "1916-02-15T06:39:56+08:00",
              "utc": "1916-02-14T22:39:56Z",
              "ms": -1700270403837.1155
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:18 on Mon 14 Feb to 02:57 on Tue 15 Feb.",
          "fact": "1916-02-13T16:18:30Z → 1916-02-14T18:57:11Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:41 on the 14th and 06:40 on the 15th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 13365 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Fuzhou, 1916: Monday 14 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jayā Ekādaśī 1916 falls on Monday 14 February. Ekādaśī runs from 00:18 on Mon 14 Feb to 02:57 on Tue 15 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-02-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23260,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1916-02-15T02:57:11+08:00",
          "utc": "1916-02-14T18:57:11Z",
          "ms": -1700283769118.1648
        },
        "end": {
          "local": "1916-02-16T05:25:35+08:00",
          "utc": "1916-02-15T21:25:35Z",
          "ms": -1700188464807.9668
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-15T02:57:11+08:00",
          "utc": "1916-02-14T18:57:11Z",
          "ms": -1700283769118.1648
        },
        "end": {
          "local": "1916-02-16T05:25:35+08:00",
          "utc": "1916-02-15T21:25:35Z",
          "ms": -1700188464807.9668
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-02-15",
          "window": {
            "start": {
              "local": "1916-02-15T11:53:18+08:00",
              "utc": "1916-02-15T03:53:18Z",
              "ms": -1700251602177.6045
            },
            "end": {
              "local": "1916-02-15T12:41:18+08:00",
              "utc": "1916-02-15T04:41:18Z",
              "ms": -1700248722177.6045
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-02-16",
          "window": {
            "start": {
              "local": "1916-02-16T11:53:15+08:00",
              "utc": "1916-02-16T03:53:15Z",
              "ms": -1700165204544.185
            },
            "end": {
              "local": "1916-02-16T12:41:15+08:00",
              "utc": "1916-02-16T04:41:15Z",
              "ms": -1700162324544.185
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 02:57 on Tue 15 Feb to 05:26 on Wed 16 Feb.",
          "fact": "1916-02-14T18:57:11Z → 1916-02-15T21:25:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 15th, 11:53–12:41 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 23260 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Fuzhou, 1916: Tuesday 15 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhishma-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhīṣma Dvādaśī 1916 falls on Tuesday 15 February. Dvādaśī runs from 02:57 on Tue 15 Feb to 05:26 on Wed 16 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/bhishma-dvadashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-02-16",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35339,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-02-16T05:25:35+08:00",
          "utc": "1916-02-15T21:25:35Z",
          "ms": -1700188464807.9668
        },
        "end": {
          "local": "1916-02-17T07:34:01+08:00",
          "utc": "1916-02-16T23:34:01Z",
          "ms": -1700094359411.2742
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-16T05:25:35+08:00",
          "utc": "1916-02-15T21:25:35Z",
          "ms": -1700188464807.9668
        },
        "end": {
          "local": "1916-02-17T07:34:01+08:00",
          "utc": "1916-02-16T23:34:01Z",
          "ms": -1700094359411.2742
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-02-15",
          "window": {
            "start": {
              "local": "1916-02-15T17:54:39+08:00",
              "utc": "1916-02-15T09:54:39Z",
              "ms": -1700229920518.0933
            },
            "end": {
              "local": "1916-02-15T19:36:36+08:00",
              "utc": "1916-02-15T11:36:36Z",
              "ms": -1700223804184.2495
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "1916-02-16",
          "window": {
            "start": {
              "local": "1916-02-16T17:55:19+08:00",
              "utc": "1916-02-16T09:55:19Z",
              "ms": -1700143481074.105
            },
            "end": {
              "local": "1916-02-16T19:37:04+08:00",
              "utc": "1916-02-16T11:37:04Z",
              "ms": -1700137376029.1355
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:26 on Wed 16 Feb to 07:34 on Thu 17 Feb.",
          "fact": "1916-02-15T21:25:35Z → 1916-02-16T23:34:01Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:37 on the 15th, 17:55–19:37 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 15th and 102 of 102 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35339 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Wednesday 16 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Wednesday 16 February. Trayodaśī runs from 05:26 on Wed 16 Feb to 07:34 on Thu 17 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-02-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5092,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-02-18T09:15:59+08:00",
          "utc": "1916-02-18T01:15:59Z",
          "ms": -1700001840722.1072
        },
        "end": {
          "local": "1916-02-19T10:28:12+08:00",
          "utc": "1916-02-19T02:28:12Z",
          "ms": -1699911108386.3142
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-18T09:15:59+08:00",
          "utc": "1916-02-18T01:15:59Z",
          "ms": -1700001840722.1072
        },
        "end": {
          "local": "1916-02-19T10:28:12+08:00",
          "utc": "1916-02-19T02:28:12Z",
          "ms": -1699911108386.3142
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-02-18",
          "window": {
            "start": {
              "local": "1916-02-18T11:53:09+08:00",
              "utc": "1916-02-18T03:53:09Z",
              "ms": -1699992411487.1877
            },
            "end": {
              "local": "1916-02-18T12:41:09+08:00",
              "utc": "1916-02-18T04:41:09Z",
              "ms": -1699989531487.1877
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-02-19",
          "window": {
            "start": {
              "local": "1916-02-19T11:53:04+08:00",
              "utc": "1916-02-19T03:53:04Z",
              "ms": -1699906016032.9976
            },
            "end": {
              "local": "1916-02-19T12:41:04+08:00",
              "utc": "1916-02-19T04:41:04Z",
              "ms": -1699903136032.9976
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:16 on Fri 18 Feb to 10:28 on Sat 19 Feb.",
          "fact": "1916-02-18T01:15:59Z → 1916-02-19T02:28:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 18th, 11:53–12:41 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5092 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Fuzhou, 1916: Friday 18 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maghi-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Maghi purnima (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Māghī Pūrṇimā 1916 falls on Friday 18 February. Pūrṇimā runs from 09:16 on Fri 18 Feb to 10:28 on Sat 19 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/maghi-purnima",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-02-22",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35746,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-02-22T11:06:43+08:00",
          "utc": "1916-02-22T03:06:43Z",
          "ms": -1699649596625.976
        },
        "end": {
          "local": "1916-02-23T10:26:28+08:00",
          "utc": "1916-02-23T02:26:28Z",
          "ms": -1699565611511.1484
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-22T11:06:43+08:00",
          "utc": "1916-02-22T03:06:43Z",
          "ms": -1699649596625.976
        },
        "end": {
          "local": "1916-02-23T10:26:28+08:00",
          "utc": "1916-02-23T02:26:28Z",
          "ms": -1699565611511.1484
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-02-22",
          "window": {
            "start": {
              "local": "1916-02-22T21:02:29+08:00",
              "utc": "1916-02-22T13:02:29Z",
              "ms": -1699613851051.6763
            },
            "end": {
              "local": "1916-02-22T21:02:29+08:00",
              "utc": "1916-02-22T13:02:29Z",
              "ms": -1699613851051.6763
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-02-23",
          "window": {
            "start": {
              "local": "1916-02-23T22:02:31+08:00",
              "utc": "1916-02-23T14:02:31Z",
              "ms": -1699523848973.9722
            },
            "end": {
              "local": "1916-02-23T22:02:31+08:00",
              "utc": "1916-02-23T14:02:31Z",
              "ms": -1699523848973.9722
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:07 on Tue 22 Feb to 10:26 on Wed 23 Feb.",
          "fact": "1916-02-22T03:06:43Z → 1916-02-23T02:26:28Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:02 on the 22nd and 22:03 on the 23rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35746 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Tuesday 22 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Tuesday 22 February. Caturthī runs from 11:07 on Tue 22 Feb to 10:26 on Wed 23 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-02-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-02-29",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-02-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23804,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-02-28T23:51:29+08:00",
          "utc": "1916-02-28T15:51:29Z",
          "ms": -1699085311140.4534
        },
        "end": {
          "local": "1916-02-29T21:22:44+08:00",
          "utc": "1916-02-29T13:22:44Z",
          "ms": -1699007835949.172
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-02-28T23:51:29+08:00",
          "utc": "1916-02-28T15:51:29Z",
          "ms": -1699085311140.4534
        },
        "end": {
          "local": "1916-02-29T21:22:44+08:00",
          "utc": "1916-02-29T13:22:44Z",
          "ms": -1699007835949.172
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-02-29",
          "window": {
            "start": {
              "local": "1916-02-29T06:28:13+08:00",
              "utc": "1916-02-28T22:28:13Z",
              "ms": -1699061507112.7527
            },
            "end": {
              "local": "1916-02-29T06:28:13+08:00",
              "utc": "1916-02-28T22:28:13Z",
              "ms": -1699061507112.7527
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-03-01",
          "window": {
            "start": {
              "local": "1916-03-01T06:27:17+08:00",
              "utc": "1916-02-29T22:27:17Z",
              "ms": -1698975163333.7703
            },
            "end": {
              "local": "1916-03-01T06:27:17+08:00",
              "utc": "1916-02-29T22:27:17Z",
              "ms": -1698975163333.7703
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:51 on Mon 28 Feb to 21:23 on Tue 29 Feb.",
          "fact": "1916-02-28T15:51:29Z → 1916-02-29T13:22:44Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:28 on the 29th and 06:27 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23804 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Fuzhou, 1916: Tuesday 29 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-02-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-02-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Ekādaśī 1916 falls on Tuesday 29 February. Ekādaśī runs from 23:51 on Mon 28 Feb to 21:23 on Tue 29 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-02-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-03-01",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2835,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-03-01T18:51:03+08:00",
          "utc": "1916-03-01T10:51:03Z",
          "ms": -1698930537144.4338
        },
        "end": {
          "local": "1916-03-02T16:21:52+08:00",
          "utc": "1916-03-02T08:21:52Z",
          "ms": -1698853088076.5977
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-01T18:51:03+08:00",
          "utc": "1916-03-01T10:51:03Z",
          "ms": -1698930537144.4338
        },
        "end": {
          "local": "1916-03-02T16:21:52+08:00",
          "utc": "1916-03-02T08:21:52Z",
          "ms": -1698853088076.5977
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-03-01",
          "window": {
            "start": {
              "local": "1916-03-01T18:03:47+08:00",
              "utc": "1916-03-01T10:03:47Z",
              "ms": -1698933372524.4382
            },
            "end": {
              "local": "1916-03-01T19:42:48+08:00",
              "utc": "1916-03-01T11:42:48Z",
              "ms": -1698927432215.32
            }
          },
          "covered_min": 52,
          "window_min": 99,
          "qualifies": true
        },
        {
          "local_date": "1916-03-02",
          "window": {
            "start": {
              "local": "1916-03-02T18:04:21+08:00",
              "utc": "1916-03-02T10:04:21Z",
              "ms": -1698846939070.555
            },
            "end": {
              "local": "1916-03-02T19:43:09+08:00",
              "utc": "1916-03-02T11:43:09Z",
              "ms": -1698841010888.4553
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:51 on Wed 1 Mar to 16:22 on Thu 2 Mar.",
          "fact": "1916-03-01T10:51:03Z → 1916-03-02T08:21:52Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:43 on the 1st, 18:04–19:43 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 52 of 99 minutes on the 1st and 0 of 99 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2835 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Wednesday 1 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Wednesday 1 March. Trayodaśī runs from 18:51 on Wed 1 Mar to 16:22 on Thu 2 Mar and covers 52 of 99 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-03-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26940,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-03-02T16:21:52+08:00",
          "utc": "1916-03-02T08:21:52Z",
          "ms": -1698853088076.5977
        },
        "end": {
          "local": "1916-03-03T14:01:35+08:00",
          "utc": "1916-03-03T06:01:35Z",
          "ms": -1698775105467.5505
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-02T16:21:52+08:00",
          "utc": "1916-03-02T08:21:52Z",
          "ms": -1698853088076.5977
        },
        "end": {
          "local": "1916-03-03T14:01:35+08:00",
          "utc": "1916-03-03T06:01:35Z",
          "ms": -1698775105467.5505
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-03-02",
          "window": {
            "start": {
              "local": "1916-03-02T23:50:52+08:00",
              "utc": "1916-03-02T15:50:52Z",
              "ms": -1698826148387.6816
            },
            "end": {
              "local": "1916-03-03T00:38:52+08:00",
              "utc": "1916-03-02T16:38:52Z",
              "ms": -1698823268387.6816
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-03-03",
          "window": {
            "start": {
              "local": "1916-03-03T23:50:39+08:00",
              "utc": "1916-03-03T15:50:39Z",
              "ms": -1698739760888.744
            },
            "end": {
              "local": "1916-03-04T00:38:39+08:00",
              "utc": "1916-03-03T16:38:39Z",
              "ms": -1698736880888.744
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:22 on Thu 2 Mar to 14:02 on Fri 3 Mar.",
          "fact": "1916-03-02T08:21:52Z → 1916-03-03T06:01:35Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 2nd, 23:51–00:39 on the 3rd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 26940 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Fuzhou, 1916: Thursday 2 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maha-shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day"
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "disputed",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāśivarātri 1916 falls on Thursday 2 March. Caturdaśī runs from 16:22 on Thu 2 Mar to 14:02 on Fri 3 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/maha-shivaratri",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-03-07",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11144,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-03-07T08:34:34+08:00",
          "utc": "1916-03-07T00:34:34Z",
          "ms": -1698449125605.184
        },
        "end": {
          "local": "1916-03-08T08:44:16+08:00",
          "utc": "1916-03-08T00:44:16Z",
          "ms": -1698362143806.089
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-07T08:34:34+08:00",
          "utc": "1916-03-07T00:34:34Z",
          "ms": -1698449125605.184
        },
        "end": {
          "local": "1916-03-08T08:44:16+08:00",
          "utc": "1916-03-08T00:44:16Z",
          "ms": -1698362143806.089
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-03-07",
          "window": {
            "start": {
              "local": "1916-03-07T11:50:15+08:00",
              "utc": "1916-03-07T03:50:15Z",
              "ms": -1698437385256.1748
            },
            "end": {
              "local": "1916-03-07T12:38:15+08:00",
              "utc": "1916-03-07T04:38:15Z",
              "ms": -1698434505256.1748
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-03-08",
          "window": {
            "start": {
              "local": "1916-03-08T11:50:00+08:00",
              "utc": "1916-03-08T03:50:00Z",
              "ms": -1698350999687.2874
            },
            "end": {
              "local": "1916-03-08T12:38:00+08:00",
              "utc": "1916-03-08T04:38:00Z",
              "ms": -1698348119687.2874
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:35 on Tue 7 Mar to 08:44 on Wed 8 Mar.",
          "fact": "1916-03-07T00:34:34Z → 1916-03-08T00:44:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 7th, 11:50–12:38 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11144 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Tuesday 7 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Tuesday 7 March. Caturthī runs from 08:35 on Tue 7 Mar to 08:44 on Wed 8 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-03-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-03-15",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25863,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-03-14T20:54:46+08:00",
          "utc": "1916-03-14T12:54:46Z",
          "ms": -1697799914071.6987
        },
        "end": {
          "local": "1916-03-15T23:01:06+08:00",
          "utc": "1916-03-15T15:01:06Z",
          "ms": -1697705933841.131
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-14T20:54:46+08:00",
          "utc": "1916-03-14T12:54:46Z",
          "ms": -1697799914071.6987
        },
        "end": {
          "local": "1916-03-15T23:01:06+08:00",
          "utc": "1916-03-15T15:01:06Z",
          "ms": -1697705933841.131
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-03-15",
          "window": {
            "start": {
              "local": "1916-03-15T06:13:13+08:00",
              "utc": "1916-03-14T22:13:13Z",
              "ms": -1697766407449.2708
            },
            "end": {
              "local": "1916-03-15T06:13:13+08:00",
              "utc": "1916-03-14T22:13:13Z",
              "ms": -1697766407449.2708
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-03-16",
          "window": {
            "start": {
              "local": "1916-03-16T06:12:09+08:00",
              "utc": "1916-03-15T22:12:09Z",
              "ms": -1697680070770.475
            },
            "end": {
              "local": "1916-03-16T06:12:09+08:00",
              "utc": "1916-03-15T22:12:09Z",
              "ms": -1697680070770.475
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:55 on Tue 14 Mar to 23:01 on Wed 15 Mar.",
          "fact": "1916-03-14T12:54:46Z → 1916-03-15T15:01:06Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:13 on the 15th and 06:12 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25863 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Fuzhou, 1916: Wednesday 15 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Āmalakī Ekādaśī 1916 falls on Wednesday 15 March. Ekādaśī runs from 20:55 on Tue 14 Mar to 23:01 on Wed 15 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-03-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-03-17",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17251,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-03-17T00:35:02+08:00",
          "utc": "1916-03-16T16:35:02Z",
          "ms": -1697613898079.2288
        },
        "end": {
          "local": "1916-03-18T01:30:51+08:00",
          "utc": "1916-03-17T17:30:51Z",
          "ms": -1697524149092.9788
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-17T00:35:02+08:00",
          "utc": "1916-03-16T16:35:02Z",
          "ms": -1697613898079.2288
        },
        "end": {
          "local": "1916-03-18T01:30:51+08:00",
          "utc": "1916-03-17T17:30:51Z",
          "ms": -1697524149092.9788
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-03-16",
          "window": {
            "start": {
              "local": "1916-03-16T18:11:35+08:00",
              "utc": "1916-03-16T10:11:35Z",
              "ms": -1697636904863.401
            },
            "end": {
              "local": "1916-03-16T19:47:31+08:00",
              "utc": "1916-03-16T11:47:31Z",
              "ms": -1697631148794.6355
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        },
        {
          "local_date": "1916-03-17",
          "window": {
            "start": {
              "local": "1916-03-17T18:12:04+08:00",
              "utc": "1916-03-17T10:12:04Z",
              "ms": -1697550475877.3472
            },
            "end": {
              "local": "1916-03-17T19:47:48+08:00",
              "utc": "1916-03-17T11:47:48Z",
              "ms": -1697544732180.6184
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:35 on Fri 17 Mar to 01:31 on Sat 18 Mar.",
          "fact": "1916-03-16T16:35:02Z → 1916-03-17T17:30:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:12–19:48 on the 16th, 18:12–19:48 on the 17th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 16th and 96 of 96 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17251 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Friday 17 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Friday 17 March. Trayodaśī runs from 00:35 on Fri 17 Mar to 01:31 on Sat 18 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-03-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25997,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-03-19T01:47:12+08:00",
          "utc": "1916-03-18T17:47:12Z",
          "ms": -1697436767660.8384
        },
        "end": {
          "local": "1916-03-20T01:26:18+08:00",
          "utc": "1916-03-19T17:26:18Z",
          "ms": -1697351621583.028
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-19T01:47:12+08:00",
          "utc": "1916-03-18T17:47:12Z",
          "ms": -1697436767660.8384
        },
        "end": {
          "local": "1916-03-20T01:26:18+08:00",
          "utc": "1916-03-19T17:26:18Z",
          "ms": -1697351621583.028
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1916-03-18",
          "window": {
            "start": {
              "local": "1916-03-18T15:48:03+08:00",
              "utc": "1916-03-18T07:48:03Z",
              "ms": -1697472717300.1
            },
            "end": {
              "local": "1916-03-18T18:12:33+08:00",
              "utc": "1916-03-18T10:12:33Z",
              "ms": -1697464047087.1548
            }
          },
          "covered_min": 0,
          "window_min": 145,
          "qualifies": false
        },
        {
          "local_date": "1916-03-19",
          "window": {
            "start": {
              "local": "1916-03-19T15:48:13+08:00",
              "utc": "1916-03-19T07:48:13Z",
              "ms": -1697386307211.0278
            },
            "end": {
              "local": "1916-03-19T18:13:02+08:00",
              "utc": "1916-03-19T10:13:02Z",
              "ms": -1697377618475.3074
            }
          },
          "covered_min": 145,
          "window_min": 145,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:47 on Sun 19 Mar to 01:26 on Mon 20 Mar.",
          "fact": "1916-03-18T17:47:12Z → 1916-03-19T17:26:18Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:48–18:13 on the 18th, 15:48–18:13 on the 19th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 145 minutes on the 18th and 145 of 145 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25997 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Fuzhou, 1916: Sunday 19 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "holika-dahana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana."
          }
        ],
        "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.",
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Holikā Dahana 1916 falls on Sunday 19 March. Pūrṇimā runs from 01:47 on Sun 19 Mar to 01:26 on Mon 20 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/holika-dahana",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25997,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-03-19T01:47:12+08:00",
          "utc": "1916-03-18T17:47:12Z",
          "ms": -1697436767660.8384
        },
        "end": {
          "local": "1916-03-20T01:26:18+08:00",
          "utc": "1916-03-19T17:26:18Z",
          "ms": -1697351621583.028
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-19T01:47:12+08:00",
          "utc": "1916-03-18T17:47:12Z",
          "ms": -1697436767660.8384
        },
        "end": {
          "local": "1916-03-20T01:26:18+08:00",
          "utc": "1916-03-19T17:26:18Z",
          "ms": -1697351621583.028
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1916-03-18",
          "window": {
            "start": {
              "local": "1916-03-18T15:48:03+08:00",
              "utc": "1916-03-18T07:48:03Z",
              "ms": -1697472717300.1
            },
            "end": {
              "local": "1916-03-18T18:12:33+08:00",
              "utc": "1916-03-18T10:12:33Z",
              "ms": -1697464047087.1548
            }
          },
          "covered_min": 0,
          "window_min": 145,
          "qualifies": false
        },
        {
          "local_date": "1916-03-19",
          "window": {
            "start": {
              "local": "1916-03-19T15:48:13+08:00",
              "utc": "1916-03-19T07:48:13Z",
              "ms": -1697386307211.0278
            },
            "end": {
              "local": "1916-03-19T18:13:02+08:00",
              "utc": "1916-03-19T10:13:02Z",
              "ms": -1697377618475.3074
            }
          },
          "covered_min": 145,
          "window_min": 145,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "1916-03-19",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:47 on Sun 19 Mar to 01:26 on Mon 20 Mar.",
          "fact": "1916-03-18T17:47:12Z → 1916-03-19T17:26:18Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:48–18:13 on the 18th, 15:48–18:13 on the 19th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 145 minutes on the 18th and 145 of 145 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25997 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Sunday 19 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Fuzhou, 1916: Monday 20 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "holi",
        "follows": {
          "festival": "holika-dahana",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana."
          }
        ],
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Holī 1916 falls on Monday 20 March. It is kept the day after Holikā Dahana, which falls on Sunday 19 March. Pūrṇimā runs from 01:47 on Sun 19 Mar to 01:26 on Mon 20 Mar and covers all of sāyāhna on the 19th.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/holi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16895,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1916-03-20T01:26:18+08:00",
          "utc": "1916-03-19T17:26:18Z",
          "ms": -1697351621583.028
        },
        "end": {
          "local": "1916-03-21T00:32:49+08:00",
          "utc": "1916-03-20T16:32:49Z",
          "ms": -1697268430815.087
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-20T01:26:18+08:00",
          "utc": "1916-03-19T17:26:18Z",
          "ms": -1697351621583.028
        },
        "end": {
          "local": "1916-03-21T00:32:49+08:00",
          "utc": "1916-03-20T16:32:49Z",
          "ms": -1697268430815.087
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-03-20",
          "window": {
            "start": {
              "local": "1916-03-20T06:07:54+08:00",
              "utc": "1916-03-19T22:07:54Z",
              "ms": -1697334726324.2427
            },
            "end": {
              "local": "1916-03-20T06:07:54+08:00",
              "utc": "1916-03-19T22:07:54Z",
              "ms": -1697334726324.2427
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-03-21",
          "window": {
            "start": {
              "local": "1916-03-21T06:06:49+08:00",
              "utc": "1916-03-20T22:06:49Z",
              "ms": -1697248390633.15
            },
            "end": {
              "local": "1916-03-21T06:06:49+08:00",
              "utc": "1916-03-20T22:06:49Z",
              "ms": -1697248390633.15
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 01:26 on Mon 20 Mar to 00:33 on Tue 21 Mar.",
          "fact": "1916-03-19T17:26:18Z → 1916-03-20T16:32:49Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:08 on the 20th and 06:07 on the 21st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 20th and is not on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 16895 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Fuzhou, 1916: Monday 20 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasantotsava",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "sunrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasantotsava 1916 falls on Monday 20 March. Pratipadā runs from 01:26 on Mon 20 Mar to 00:33 on Tue 21 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vasantotsava",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-03-22",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-22",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2145,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-03-22T21:32:46+08:00",
          "utc": "1916-03-22T13:32:46Z",
          "ms": -1697106434048.5305
        },
        "end": {
          "local": "1916-03-23T19:38:59+08:00",
          "utc": "1916-03-23T11:38:59Z",
          "ms": -1697026860843.8523
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-22T21:32:46+08:00",
          "utc": "1916-03-22T13:32:46Z",
          "ms": -1697106434048.5305
        },
        "end": {
          "local": "1916-03-23T19:38:59+08:00",
          "utc": "1916-03-23T11:38:59Z",
          "ms": -1697026860843.8523
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-03-22",
          "window": {
            "start": {
              "local": "1916-03-22T20:57:01+08:00",
              "utc": "1916-03-22T12:57:01Z",
              "ms": -1697108579011.257
            },
            "end": {
              "local": "1916-03-22T20:57:01+08:00",
              "utc": "1916-03-22T12:57:01Z",
              "ms": -1697108579011.257
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-03-23",
          "window": {
            "start": {
              "local": "1916-03-23T22:02:34+08:00",
              "utc": "1916-03-23T14:02:34Z",
              "ms": -1697018245932.4238
            },
            "end": {
              "local": "1916-03-23T22:02:34+08:00",
              "utc": "1916-03-23T14:02:34Z",
              "ms": -1697018245932.4238
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 21:33 on Wed 22 Mar to 19:39 on Thu 23 Mar.",
          "fact": "1916-03-22T13:32:46Z → 1916-03-23T11:38:59Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:57 on the 22nd and 22:03 on the 23rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 22nd and is not on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2145 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Wednesday 22 March.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-22",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Wednesday 22 March. Caturthī runs from 21:33 on Wed 22 Mar to 19:39 on Thu 23 Mar, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-03-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1469,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-03-26T13:24:44+08:00",
          "utc": "1916-03-26T05:24:44Z",
          "ms": -1696790115598.6543
        },
        "end": {
          "local": "1916-03-27T11:20:06+08:00",
          "utc": "1916-03-27T03:20:06Z",
          "ms": -1696711194405.2427
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-26T13:24:44+08:00",
          "utc": "1916-03-26T05:24:44Z",
          "ms": -1696790115598.6543
        },
        "end": {
          "local": "1916-03-27T11:20:06+08:00",
          "utc": "1916-03-27T03:20:06Z",
          "ms": -1696711194405.2427
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-03-26",
          "window": {
            "start": {
              "local": "1916-03-26T11:44:53+08:00",
              "utc": "1916-03-26T03:44:53Z",
              "ms": -1696796107428.1274
            },
            "end": {
              "local": "1916-03-26T12:32:53+08:00",
              "utc": "1916-03-26T04:32:53Z",
              "ms": -1696793227428.1274
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-03-27",
          "window": {
            "start": {
              "local": "1916-03-27T11:44:34+08:00",
              "utc": "1916-03-27T03:44:34Z",
              "ms": -1696709725770.0078
            },
            "end": {
              "local": "1916-03-27T12:32:34+08:00",
              "utc": "1916-03-27T04:32:34Z",
              "ms": -1696706845770.0078
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 13:25 on Sun 26 Mar to 11:20 on Mon 27 Mar.",
          "fact": "1916-03-26T05:24:44Z → 1916-03-27T03:20:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 1469 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Fuzhou, 1916: Monday 27 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitalashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Sitalastami, (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-27",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śītalāṣṭamī 1916 falls on Monday 27 March. Aṣṭamī runs from 13:25 on Sun 26 Mar to 11:20 on Mon 27 Mar, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shitalashtami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-03-29",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1509,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-03-29T07:22:10+08:00",
          "utc": "1916-03-28T23:22:10Z",
          "ms": -1696552670056.285
        },
        "end": {
          "local": "1916-03-30T05:32:00+08:00",
          "utc": "1916-03-29T21:32:00Z",
          "ms": -1696472879810.003
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-29T07:22:10+08:00",
          "utc": "1916-03-28T23:22:10Z",
          "ms": -1696552670056.285
        },
        "end": {
          "local": "1916-03-30T05:32:00+08:00",
          "utc": "1916-03-29T21:32:00Z",
          "ms": -1696472879810.003
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-03-29",
          "window": {
            "start": {
              "local": "1916-03-29T05:58:13+08:00",
              "utc": "1916-03-28T21:58:13Z",
              "ms": -1696557706530.2053
            },
            "end": {
              "local": "1916-03-29T05:58:13+08:00",
              "utc": "1916-03-28T21:58:13Z",
              "ms": -1696557706530.2053
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-03-30",
          "window": {
            "start": {
              "local": "1916-03-30T05:57:09+08:00",
              "utc": "1916-03-29T21:57:09Z",
              "ms": -1696471370765.6785
            },
            "end": {
              "local": "1916-03-30T05:57:09+08:00",
              "utc": "1916-03-29T21:57:09Z",
              "ms": -1696471370765.6785
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:22 on Wed 29 Mar to 05:32 on Thu 30 Mar.",
          "fact": "1916-03-28T23:22:10Z → 1916-03-29T21:32:00Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:58 on the 29th and 05:57 on the 30th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is not on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither sunrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 1509 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Fuzhou, 1916: Wednesday 29 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāpamocanī Ekādaśī 1916 falls on Wednesday 29 March. Ekādaśī runs from 07:22 on Wed 29 Mar to 05:32 on Thu 30 Mar, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-03-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-03-31",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-03-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23429,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-03-31T03:50:46+08:00",
          "utc": "1916-03-30T19:50:46Z",
          "ms": -1696392554097.7217
        },
        "end": {
          "local": "1916-04-01T02:21:58+08:00",
          "utc": "1916-03-31T18:21:58Z",
          "ms": -1696311482419.1545
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-03-31T03:50:46+08:00",
          "utc": "1916-03-30T19:50:46Z",
          "ms": -1696392554097.7217
        },
        "end": {
          "local": "1916-04-01T02:21:58+08:00",
          "utc": "1916-03-31T18:21:58Z",
          "ms": -1696311482419.1545
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-03-30",
          "window": {
            "start": {
              "local": "1916-03-30T18:18:10+08:00",
              "utc": "1916-03-30T10:18:10Z",
              "ms": -1696426910445.903
            },
            "end": {
              "local": "1916-03-30T19:51:13+08:00",
              "utc": "1916-03-30T11:51:13Z",
              "ms": -1696421327033.955
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        },
        {
          "local_date": "1916-03-31",
          "window": {
            "start": {
              "local": "1916-03-31T18:18:37+08:00",
              "utc": "1916-03-31T10:18:37Z",
              "ms": -1696340482665.825
            },
            "end": {
              "local": "1916-03-31T19:51:29+08:00",
              "utc": "1916-03-31T11:51:29Z",
              "ms": -1696334911480.7454
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:51 on Fri 31 Mar to 02:22 on Sat 1 Apr.",
          "fact": "1916-03-30T19:50:46Z → 1916-03-31T18:21:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:51 on the 30th, 18:19–19:51 on the 31st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 30th and 93 of 93 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23429 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Friday 31 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-03-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-03-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Friday 31 March. Trayodaśī runs from 03:51 on Fri 31 Mar to 02:22 on Sat 1 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-03-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-04-01",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2377,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-04-01T02:21:58+08:00",
          "utc": "1916-03-31T18:21:58Z",
          "ms": -1696311482419.1545
        },
        "end": {
          "local": "1916-04-02T01:10:08+08:00",
          "utc": "1916-04-01T17:10:08Z",
          "ms": -1696229391636.967
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-01T02:21:58+08:00",
          "utc": "1916-03-31T18:21:58Z",
          "ms": -1696311482419.1545
        },
        "end": {
          "local": "1916-04-02T01:10:08+08:00",
          "utc": "1916-04-01T17:10:08Z",
          "ms": -1696229391636.967
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-03-31",
          "window": {
            "start": {
              "local": "1916-03-31T23:42:49+08:00",
              "utc": "1916-03-31T15:42:49Z",
              "ms": -1696321030721.7769
            },
            "end": {
              "local": "1916-04-01T00:30:49+08:00",
              "utc": "1916-03-31T16:30:49Z",
              "ms": -1696318150721.7769
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-04-01",
          "window": {
            "start": {
              "local": "1916-04-01T23:42:31+08:00",
              "utc": "1916-04-01T15:42:31Z",
              "ms": -1696234648691.2139
            },
            "end": {
              "local": "1916-04-02T00:30:31+08:00",
              "utc": "1916-04-01T16:30:31Z",
              "ms": -1696231768691.2139
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 02:22 on Sat 1 Apr to 01:10 on Sun 2 Apr.",
          "fact": "1916-03-31T18:21:58Z → 1916-04-01T17:10:08Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 31st, 23:43–00:31 on the 1st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2377 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Saturday 1 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Saturday 1 April. Caturdaśī runs from 02:22 on Sat 1 Apr to 01:10 on Sun 2 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-04-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40909,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1916-04-03T00:20:39+08:00",
          "utc": "1916-04-02T16:20:39Z",
          "ms": -1696145961265.3699
        },
        "end": {
          "local": "1916-04-03T23:59:04+08:00",
          "utc": "1916-04-03T15:59:04Z",
          "ms": -1696060855839.7563
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-03T00:20:39+08:00",
          "utc": "1916-04-02T16:20:39Z",
          "ms": -1696145961265.3699
        },
        "end": {
          "local": "1916-04-03T23:59:04+08:00",
          "utc": "1916-04-03T15:59:04Z",
          "ms": -1696060855839.7563
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-03",
          "window": {
            "start": {
              "local": "1916-04-03T11:42:27+08:00",
              "utc": "1916-04-03T03:42:27Z",
              "ms": -1696105052628.38
            },
            "end": {
              "local": "1916-04-03T12:30:27+08:00",
              "utc": "1916-04-03T04:30:27Z",
              "ms": -1696102172628.38
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-04-04",
          "window": {
            "start": {
              "local": "1916-04-04T11:42:10+08:00",
              "utc": "1916-04-04T03:42:10Z",
              "ms": -1696018670333.5835
            },
            "end": {
              "local": "1916-04-04T12:30:10+08:00",
              "utc": "1916-04-04T04:30:10Z",
              "ms": -1696015790333.5835
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 00:21 on Mon 3 Apr to 23:59 on Mon 3 Apr.",
          "fact": "1916-04-02T16:20:39Z → 1916-04-03T15:59:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 3rd, 11:42–12:30 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 40909 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Fuzhou, 1916: Monday 3 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha-caitra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 1916 falls on Monday 3 April. Pratipadā runs from 00:21 on Mon 3 Apr to 23:59 on Mon 3 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/navaratra-arambha-caitra",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38610,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1916-04-05T00:10:26+08:00",
          "utc": "1916-04-04T16:10:26Z",
          "ms": -1695973774313.5786
        },
        "end": {
          "local": "1916-04-06T00:58:05+08:00",
          "utc": "1916-04-05T16:58:05Z",
          "ms": -1695884514802.301
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-05T00:10:26+08:00",
          "utc": "1916-04-04T16:10:26Z",
          "ms": -1695973774313.5786
        },
        "end": {
          "local": "1916-04-06T00:58:05+08:00",
          "utc": "1916-04-05T16:58:05Z",
          "ms": -1695884514802.301
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-05",
          "window": {
            "start": {
              "local": "1916-04-05T11:41:52+08:00",
              "utc": "1916-04-05T03:41:52Z",
              "ms": -1695932287888.2437
            },
            "end": {
              "local": "1916-04-05T12:29:52+08:00",
              "utc": "1916-04-05T04:29:52Z",
              "ms": -1695929407888.2437
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-04-06",
          "window": {
            "start": {
              "local": "1916-04-06T11:41:35+08:00",
              "utc": "1916-04-06T03:41:35Z",
              "ms": -1695845905277.0222
            },
            "end": {
              "local": "1916-04-06T12:29:35+08:00",
              "utc": "1916-04-06T04:29:35Z",
              "ms": -1695843025277.0222
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 00:10 on Wed 5 Apr to 00:58 on Thu 6 Apr.",
          "fact": "1916-04-04T16:10:26Z → 1916-04-05T16:58:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 5th, 11:42–12:30 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 38610 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Fuzhou, 1916: Wednesday 5 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gauri-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 1916 falls on Wednesday 5 April. Tṛtīyā runs from 00:10 on Wed 5 Apr to 00:58 on Thu 6 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/gauri-tritiya",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38610,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1916-04-05T00:10:26+08:00",
          "utc": "1916-04-04T16:10:26Z",
          "ms": -1695973774313.5786
        },
        "end": {
          "local": "1916-04-06T00:58:05+08:00",
          "utc": "1916-04-05T16:58:05Z",
          "ms": -1695884514802.301
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-05T00:10:26+08:00",
          "utc": "1916-04-04T16:10:26Z",
          "ms": -1695973774313.5786
        },
        "end": {
          "local": "1916-04-06T00:58:05+08:00",
          "utc": "1916-04-05T16:58:05Z",
          "ms": -1695884514802.301
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-05",
          "window": {
            "start": {
              "local": "1916-04-05T11:41:52+08:00",
              "utc": "1916-04-05T03:41:52Z",
              "ms": -1695932287888.2437
            },
            "end": {
              "local": "1916-04-05T12:29:52+08:00",
              "utc": "1916-04-05T04:29:52Z",
              "ms": -1695929407888.2437
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-04-06",
          "window": {
            "start": {
              "local": "1916-04-06T11:41:35+08:00",
              "utc": "1916-04-06T03:41:35Z",
              "ms": -1695845905277.0222
            },
            "end": {
              "local": "1916-04-06T12:29:35+08:00",
              "utc": "1916-04-06T04:29:35Z",
              "ms": -1695843025277.0222
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 00:10 on Wed 5 Apr to 00:58 on Thu 6 Apr.",
          "fact": "1916-04-04T16:10:26Z → 1916-04-05T16:58:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 5th, 11:42–12:30 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 38610 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Fuzhou, 1916: Wednesday 5 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "saubhagya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saubhāgya Śayana Vrata 1916 falls on Wednesday 5 April. Tṛtīyā runs from 00:10 on Wed 5 Apr to 00:58 on Thu 6 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/saubhagya-shayana-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-04-06",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33526,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-04-06T00:58:05+08:00",
          "utc": "1916-04-05T16:58:05Z",
          "ms": -1695884514802.301
        },
        "end": {
          "local": "1916-04-07T02:22:31+08:00",
          "utc": "1916-04-06T18:22:31Z",
          "ms": -1695793048536.0642
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-06T00:58:05+08:00",
          "utc": "1916-04-05T16:58:05Z",
          "ms": -1695884514802.301
        },
        "end": {
          "local": "1916-04-07T02:22:31+08:00",
          "utc": "1916-04-06T18:22:31Z",
          "ms": -1695793048536.0642
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-06",
          "window": {
            "start": {
              "local": "1916-04-06T11:41:35+08:00",
              "utc": "1916-04-06T03:41:35Z",
              "ms": -1695845905277.0222
            },
            "end": {
              "local": "1916-04-06T12:29:35+08:00",
              "utc": "1916-04-06T04:29:35Z",
              "ms": -1695843025277.0222
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-04-07",
          "window": {
            "start": {
              "local": "1916-04-07T11:41:18+08:00",
              "utc": "1916-04-07T03:41:18Z",
              "ms": -1695759522484.3374
            },
            "end": {
              "local": "1916-04-07T12:29:18+08:00",
              "utc": "1916-04-07T04:29:18Z",
              "ms": -1695756642484.3374
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:58 on Thu 6 Apr to 02:23 on Fri 7 Apr.",
          "fact": "1916-04-05T16:58:05Z → 1916-04-06T18:22:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 6th, 11:41–12:29 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33526 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Thursday 6 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Thursday 6 April. Caturthī runs from 00:58 on Thu 6 Apr to 02:23 on Fri 7 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-04-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26449,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1916-04-07T02:22:31+08:00",
          "utc": "1916-04-06T18:22:31Z",
          "ms": -1695793048536.0642
        },
        "end": {
          "local": "1916-04-08T04:20:11+08:00",
          "utc": "1916-04-07T20:20:11Z",
          "ms": -1695699588615.851
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-07T02:22:31+08:00",
          "utc": "1916-04-06T18:22:31Z",
          "ms": -1695793048536.0642
        },
        "end": {
          "local": "1916-04-08T04:20:11+08:00",
          "utc": "1916-04-07T20:20:11Z",
          "ms": -1695699588615.851
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-07",
          "window": {
            "start": {
              "local": "1916-04-07T11:41:18+08:00",
              "utc": "1916-04-07T03:41:18Z",
              "ms": -1695759522484.3374
            },
            "end": {
              "local": "1916-04-07T12:29:18+08:00",
              "utc": "1916-04-07T04:29:18Z",
              "ms": -1695756642484.3374
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-04-08",
          "window": {
            "start": {
              "local": "1916-04-08T11:41:01+08:00",
              "utc": "1916-04-08T03:41:01Z",
              "ms": -1695673139494.3555
            },
            "end": {
              "local": "1916-04-08T12:29:01+08:00",
              "utc": "1916-04-08T04:29:01Z",
              "ms": -1695670259494.3555
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 02:23 on Fri 7 Apr to 04:20 on Sat 8 Apr.",
          "fact": "1916-04-06T18:22:31Z → 1916-04-07T20:20:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 7th, 11:41–12:29 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 26449 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Fuzhou, 1916: Friday 7 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "lakshmi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pañcamī 1916 falls on Friday 7 April. Pañcamī runs from 02:23 on Fri 7 Apr to 04:20 on Sat 8 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/lakshmi-panchami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 569,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-04-10T09:17:51+08:00",
          "utc": "1916-04-10T01:17:51Z",
          "ms": -1695508929181.3013
        },
        "end": {
          "local": "1916-04-11T11:49:40+08:00",
          "utc": "1916-04-11T03:49:40Z",
          "ms": -1695413419796.9248
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-10T09:17:51+08:00",
          "utc": "1916-04-10T01:17:51Z",
          "ms": -1695508929181.3013
        },
        "end": {
          "local": "1916-04-11T11:49:40+08:00",
          "utc": "1916-04-11T03:49:40Z",
          "ms": -1695413419796.9248
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-10",
          "window": {
            "start": {
              "local": "1916-04-10T11:40:27+08:00",
              "utc": "1916-04-10T03:40:27Z",
              "ms": -1695500372858.04
            },
            "end": {
              "local": "1916-04-10T12:28:27+08:00",
              "utc": "1916-04-10T04:28:27Z",
              "ms": -1695497492858.04
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-04-11",
          "window": {
            "start": {
              "local": "1916-04-11T11:40:11+08:00",
              "utc": "1916-04-11T03:40:11Z",
              "ms": -1695413989179.0063
            },
            "end": {
              "local": "1916-04-11T12:28:11+08:00",
              "utc": "1916-04-11T04:28:11Z",
              "ms": -1695411109179.0063
            }
          },
          "covered_min": 9,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 09:18 on Mon 10 Apr to 11:50 on Tue 11 Apr.",
          "fact": "1916-04-10T01:17:51Z → 1916-04-11T03:49:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 10th, 11:40–12:28 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 9 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 569 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Fuzhou, 1916: Tuesday 11 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhavānī Utpatti 1916 falls on Tuesday 11 April. Aṣṭamī runs from 09:18 on Mon 10 Apr to 11:50 on Tue 11 Apr and covers 9 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/bhavani-utpatti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-12",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 569,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1916-04-11T11:49:40+08:00",
          "utc": "1916-04-11T03:49:40Z",
          "ms": -1695413419796.9248
        },
        "end": {
          "local": "1916-04-12T14:02:21+08:00",
          "utc": "1916-04-12T06:02:21Z",
          "ms": -1695319059226.6484
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-11T11:49:40+08:00",
          "utc": "1916-04-11T03:49:40Z",
          "ms": -1695413419796.9248
        },
        "end": {
          "local": "1916-04-12T14:02:21+08:00",
          "utc": "1916-04-12T06:02:21Z",
          "ms": -1695319059226.6484
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-11",
          "window": {
            "start": {
              "local": "1916-04-11T11:40:11+08:00",
              "utc": "1916-04-11T03:40:11Z",
              "ms": -1695413989179.0063
            },
            "end": {
              "local": "1916-04-11T12:28:11+08:00",
              "utc": "1916-04-11T04:28:11Z",
              "ms": -1695411109179.0063
            }
          },
          "covered_min": 39,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-04-12",
          "window": {
            "start": {
              "local": "1916-04-12T11:39:55+08:00",
              "utc": "1916-04-12T03:39:55Z",
              "ms": -1695327605237.3022
            },
            "end": {
              "local": "1916-04-12T12:27:55+08:00",
              "utc": "1916-04-12T04:27:55Z",
              "ms": -1695324725237.3022
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 11:50 on Tue 11 Apr to 14:02 on Wed 12 Apr.",
          "fact": "1916-04-11T03:49:40Z → 1916-04-12T06:02:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 11th, 11:40–12:28 on the 12th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 39 of 48 minutes on the 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 569 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Fuzhou, 1916: Wednesday 12 April.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rama-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti."
          }
        ],
        "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-12",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-12",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Rāma Navamī 1916 falls on Wednesday 12 April. Navamī runs from 11:50 on Tue 11 Apr to 14:02 on Wed 12 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 39 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/rama-navami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4428,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "1916-04-13T06:56:24+08:00",
          "utc": "1916-04-12T22:56:24Z",
          "ms": -1695258215759.3323
        },
        "end": {
          "local": "1916-05-14T03:54:40+08:00",
          "utc": "1916-05-13T19:54:40Z",
          "ms": -1692590720180.7722
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1916-04-13T06:56:24+08:00",
          "utc": "1916-04-12T22:56:24Z",
          "ms": -1695258215759.3323
        },
        "end": {
          "local": "1916-04-13T06:56:24+08:00",
          "utc": "1916-04-12T22:56:24Z",
          "ms": -1695258215759.3323
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "1916-04-12",
          "window": {
            "start": {
              "local": "1916-04-12T05:43:36+08:00",
              "utc": "1916-04-11T21:43:36Z",
              "ms": -1695348984001.0674
            },
            "end": {
              "local": "1916-04-13T05:42:36+08:00",
              "utc": "1916-04-12T21:42:36Z",
              "ms": -1695262644036.76
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        },
        {
          "local_date": "1916-04-13",
          "window": {
            "start": {
              "local": "1916-04-13T05:42:36+08:00",
              "utc": "1916-04-12T21:42:36Z",
              "ms": -1695262644036.76
            },
            "end": {
              "local": "1916-04-14T05:41:36+08:00",
              "utc": "1916-04-13T21:41:36Z",
              "ms": -1695176303587.4883
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 06:56 on Thu 13 Apr.",
          "fact": "1916-04-12T22:56:24Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:44 on the 12th, and from 05:43 on the 13th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunrise → only-day · margin 4428 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Fuzhou, 1916: Thursday 13 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "vaishakhi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.",
        "rashi": "Meṣa",
        "day_from": "sunrise"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1916-04-13",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "1916-04-13",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Fuzhou, Vaiśākhī 1916 falls on Thursday 13 April. The Sun enters Meṣa at 06:56 on Thu 13 Apr, and the rule counts the day from sunrise.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vaishakhi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-04-14",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35974,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-04-13T15:42:10+08:00",
          "utc": "1916-04-13T07:42:10Z",
          "ms": -1695226670343.0098
        },
        "end": {
          "local": "1916-04-14T16:39:40+08:00",
          "utc": "1916-04-14T08:39:40Z",
          "ms": -1695136819540.0818
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-13T15:42:10+08:00",
          "utc": "1916-04-13T07:42:10Z",
          "ms": -1695226670343.0098
        },
        "end": {
          "local": "1916-04-14T16:39:40+08:00",
          "utc": "1916-04-14T08:39:40Z",
          "ms": -1695136819540.0818
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-04-13",
          "window": {
            "start": {
              "local": "1916-04-13T05:42:36+08:00",
              "utc": "1916-04-12T21:42:36Z",
              "ms": -1695262644036.76
            },
            "end": {
              "local": "1916-04-13T05:42:36+08:00",
              "utc": "1916-04-12T21:42:36Z",
              "ms": -1695262644036.76
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-04-14",
          "window": {
            "start": {
              "local": "1916-04-14T05:41:36+08:00",
              "utc": "1916-04-13T21:41:36Z",
              "ms": -1695176303587.4883
            },
            "end": {
              "local": "1916-04-14T05:41:36+08:00",
              "utc": "1916-04-13T21:41:36Z",
              "ms": -1695176303587.4883
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:42 on Thu 13 Apr to 16:40 on Fri 14 Apr.",
          "fact": "1916-04-13T07:42:10Z → 1916-04-14T08:39:40Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:43 on the 13th and 05:42 on the 14th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35974 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Fuzhou, 1916: Friday 14 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmadā Ekādaśī 1916 falls on Friday 14 April. Ekādaśī runs from 15:42 on Thu 13 Apr to 16:40 on Fri 14 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-04-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-04-15",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5705,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-04-15T16:50:34+08:00",
          "utc": "1916-04-15T08:50:34Z",
          "ms": -1695049765589.6052
        },
        "end": {
          "local": "1916-04-16T16:15:24+08:00",
          "utc": "1916-04-16T08:15:24Z",
          "ms": -1694965475930.533
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-15T16:50:34+08:00",
          "utc": "1916-04-15T08:50:34Z",
          "ms": -1695049765589.6052
        },
        "end": {
          "local": "1916-04-16T16:15:24+08:00",
          "utc": "1916-04-16T08:15:24Z",
          "ms": -1694965475930.533
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-04-15",
          "window": {
            "start": {
              "local": "1916-04-15T18:25:39+08:00",
              "utc": "1916-04-15T10:25:39Z",
              "ms": -1695044060706.3694
            },
            "end": {
              "local": "1916-04-15T19:55:31+08:00",
              "utc": "1916-04-15T11:55:31Z",
              "ms": -1695038668762.7915
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        },
        {
          "local_date": "1916-04-16",
          "window": {
            "start": {
              "local": "1916-04-16T18:26:08+08:00",
              "utc": "1916-04-16T10:26:08Z",
              "ms": -1694957631877.4382
            },
            "end": {
              "local": "1916-04-16T19:55:48+08:00",
              "utc": "1916-04-16T11:55:48Z",
              "ms": -1694952251502.807
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:51 on Sat 15 Apr to 16:15 on Sun 16 Apr.",
          "fact": "1916-04-15T08:50:34Z → 1916-04-16T08:15:24Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–19:56 on the 15th, 18:26–19:56 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 15th and 0 of 90 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5705 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Saturday 15 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Saturday 15 April. Trayodaśī runs from 16:51 on Sat 15 Apr to 16:15 on Sun 16 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-04-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13711,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-04-15T16:50:34+08:00",
          "utc": "1916-04-15T08:50:34Z",
          "ms": -1695049765589.6052
        },
        "end": {
          "local": "1916-04-16T16:15:24+08:00",
          "utc": "1916-04-16T08:15:24Z",
          "ms": -1694965475930.533
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-15T16:50:34+08:00",
          "utc": "1916-04-15T08:50:34Z",
          "ms": -1695049765589.6052
        },
        "end": {
          "local": "1916-04-16T16:15:24+08:00",
          "utc": "1916-04-16T08:15:24Z",
          "ms": -1694965475930.533
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-15",
          "window": {
            "start": {
              "local": "1916-04-15T11:39:08+08:00",
              "utc": "1916-04-15T03:39:08Z",
              "ms": -1695068451666.79
            },
            "end": {
              "local": "1916-04-15T12:27:08+08:00",
              "utc": "1916-04-15T04:27:08Z",
              "ms": -1695065571666.79
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-04-16",
          "window": {
            "start": {
              "local": "1916-04-16T11:38:53+08:00",
              "utc": "1916-04-16T03:38:53Z",
              "ms": -1694982066503.4863
            },
            "end": {
              "local": "1916-04-16T12:26:53+08:00",
              "utc": "1916-04-16T04:26:53Z",
              "ms": -1694979186503.4863
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:51 on Sat 15 Apr to 16:15 on Sun 16 Apr.",
          "fact": "1916-04-15T08:50:34Z → 1916-04-16T08:15:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 15th, 11:39–12:27 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 13711 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Fuzhou, 1916: Sunday 16 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananga-trayodashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Anaṅga Trayodaśī 1916 falls on Sunday 16 April. Trayodaśī runs from 16:51 on Sat 15 Apr to 16:15 on Sun 16 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ananga-trayodashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9115,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-04-16T16:15:24+08:00",
          "utc": "1916-04-16T08:15:24Z",
          "ms": -1694965475930.533
        },
        "end": {
          "local": "1916-04-17T14:58:34+08:00",
          "utc": "1916-04-17T06:58:34Z",
          "ms": -1694883685587.2454
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-16T16:15:24+08:00",
          "utc": "1916-04-16T08:15:24Z",
          "ms": -1694965475930.533
        },
        "end": {
          "local": "1916-04-17T14:58:34+08:00",
          "utc": "1916-04-17T06:58:34Z",
          "ms": -1694883685587.2454
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-16",
          "window": {
            "start": {
              "local": "1916-04-16T11:38:53+08:00",
              "utc": "1916-04-16T03:38:53Z",
              "ms": -1694982066503.4863
            },
            "end": {
              "local": "1916-04-16T12:26:53+08:00",
              "utc": "1916-04-16T04:26:53Z",
              "ms": -1694979186503.4863
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-04-17",
          "window": {
            "start": {
              "local": "1916-04-17T11:38:39+08:00",
              "utc": "1916-04-17T03:38:39Z",
              "ms": -1694895680990.3428
            },
            "end": {
              "local": "1916-04-17T12:26:39+08:00",
              "utc": "1916-04-17T04:26:39Z",
              "ms": -1694892800990.3428
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:15 on Sun 16 Apr to 14:59 on Mon 17 Apr.",
          "fact": "1916-04-16T08:15:24Z → 1916-04-17T06:58:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9115 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 1916: Monday 17 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vishnu-damanaka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 1916 falls on Monday 17 April. Caturdaśī runs from 16:15 on Sun 16 Apr to 14:59 on Mon 17 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vishnu-damanaka-chaturdashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2444,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-04-17T14:58:34+08:00",
          "utc": "1916-04-17T06:58:34Z",
          "ms": -1694883685587.2454
        },
        "end": {
          "local": "1916-04-18T13:07:09+08:00",
          "utc": "1916-04-18T05:07:09Z",
          "ms": -1694803971058.3655
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-17T14:58:34+08:00",
          "utc": "1916-04-17T06:58:34Z",
          "ms": -1694883685587.2454
        },
        "end": {
          "local": "1916-04-18T13:07:09+08:00",
          "utc": "1916-04-18T05:07:09Z",
          "ms": -1694803971058.3655
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-04-17",
          "window": {
            "start": {
              "local": "1916-04-17T11:38:39+08:00",
              "utc": "1916-04-17T03:38:39Z",
              "ms": -1694895680990.3428
            },
            "end": {
              "local": "1916-04-17T12:26:39+08:00",
              "utc": "1916-04-17T04:26:39Z",
              "ms": -1694892800990.3428
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-04-18",
          "window": {
            "start": {
              "local": "1916-04-18T11:38:25+08:00",
              "utc": "1916-04-18T03:38:25Z",
              "ms": -1694809295108.8877
            },
            "end": {
              "local": "1916-04-18T12:26:25+08:00",
              "utc": "1916-04-18T04:26:25Z",
              "ms": -1694806415108.8877
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:59 on Mon 17 Apr to 13:07 on Tue 18 Apr.",
          "fact": "1916-04-17T06:58:34Z → 1916-04-18T05:07:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:38–12:26 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2444 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Fuzhou, 1916: Tuesday 18 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chaitri-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Caitrī Pūrṇimā 1916 falls on Tuesday 18 April. Pūrṇimā runs from 14:59 on Mon 17 Apr to 13:07 on Tue 18 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/chaitri-purnima",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-04-21",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17133,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-04-21T05:32:21+08:00",
          "utc": "1916-04-20T21:32:21Z",
          "ms": -1694572058502.6443
        },
        "end": {
          "local": "1916-04-22T02:49:15+08:00",
          "utc": "1916-04-21T18:49:15Z",
          "ms": -1694495444590.7688
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-21T05:32:21+08:00",
          "utc": "1916-04-20T21:32:21Z",
          "ms": -1694572058502.6443
        },
        "end": {
          "local": "1916-04-22T02:49:15+08:00",
          "utc": "1916-04-21T18:49:15Z",
          "ms": -1694495444590.7688
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-04-20",
          "window": {
            "start": {
              "local": "1916-04-20T20:56:45+08:00",
              "utc": "1916-04-20T12:56:45Z",
              "ms": -1694602994543.3828
            },
            "end": {
              "local": "1916-04-20T20:56:45+08:00",
              "utc": "1916-04-20T12:56:45Z",
              "ms": -1694602994543.3828
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-04-21",
          "window": {
            "start": {
              "local": "1916-04-21T22:03:42+08:00",
              "utc": "1916-04-21T14:03:42Z",
              "ms": -1694512577683.8792
            },
            "end": {
              "local": "1916-04-21T22:03:42+08:00",
              "utc": "1916-04-21T14:03:42Z",
              "ms": -1694512577683.8792
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:32 on Fri 21 Apr to 02:49 on Sat 22 Apr.",
          "fact": "1916-04-20T21:32:21Z → 1916-04-21T18:49:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:57 on the 20th and 22:04 on the 21st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 20th and is on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17133 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Friday 21 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Friday 21 April. Caturthī runs from 05:32 on Fri 21 Apr to 02:49 on Sat 22 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-04-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-04-28",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30188,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-04-27T14:50:50+08:00",
          "utc": "1916-04-27T06:50:50Z",
          "ms": -1694020150063.86
        },
        "end": {
          "local": "1916-04-28T13:51:57+08:00",
          "utc": "1916-04-28T05:51:57Z",
          "ms": -1693937283307.1758
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-27T14:50:50+08:00",
          "utc": "1916-04-27T06:50:50Z",
          "ms": -1694020150063.86
        },
        "end": {
          "local": "1916-04-28T13:51:57+08:00",
          "utc": "1916-04-28T05:51:57Z",
          "ms": -1693937283307.1758
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-04-27",
          "window": {
            "start": {
              "local": "1916-04-27T05:29:39+08:00",
              "utc": "1916-04-26T21:29:39Z",
              "ms": -1694053821417.088
            },
            "end": {
              "local": "1916-04-27T05:29:39+08:00",
              "utc": "1916-04-26T21:29:39Z",
              "ms": -1694053821417.088
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-04-28",
          "window": {
            "start": {
              "local": "1916-04-28T05:28:49+08:00",
              "utc": "1916-04-27T21:28:49Z",
              "ms": -1693967471371.9067
            },
            "end": {
              "local": "1916-04-28T05:28:49+08:00",
              "utc": "1916-04-27T21:28:49Z",
              "ms": -1693967471371.9067
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:51 on Thu 27 Apr to 13:52 on Fri 28 Apr.",
          "fact": "1916-04-27T06:50:50Z → 1916-04-28T05:51:57Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:30 on the 27th and 05:29 on the 28th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30188 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Fuzhou, 1916: Friday 28 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Varūthinī Ekādaśī 1916 falls on Friday 28 April. Ekādaśī runs from 14:51 on Thu 27 Apr to 13:52 on Fri 28 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-04-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-04-29",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19220,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-04-29T13:12:18+08:00",
          "utc": "1916-04-29T05:12:18Z",
          "ms": -1693853261720.3909
        },
        "end": {
          "local": "1916-04-30T12:53:32+08:00",
          "utc": "1916-04-30T04:53:32Z",
          "ms": -1693767987883.1135
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-29T13:12:18+08:00",
          "utc": "1916-04-29T05:12:18Z",
          "ms": -1693853261720.3909
        },
        "end": {
          "local": "1916-04-30T12:53:32+08:00",
          "utc": "1916-04-30T04:53:32Z",
          "ms": -1693767987883.1135
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-04-29",
          "window": {
            "start": {
              "local": "1916-04-29T18:32:38+08:00",
              "utc": "1916-04-29T10:32:38Z",
              "ms": -1693834042125.4495
            },
            "end": {
              "local": "1916-04-29T19:59:54+08:00",
              "utc": "1916-04-29T11:59:54Z",
              "ms": -1693828805661.7478
            }
          },
          "covered_min": 87,
          "window_min": 87,
          "qualifies": true
        },
        {
          "local_date": "1916-04-30",
          "window": {
            "start": {
              "local": "1916-04-30T18:33:09+08:00",
              "utc": "1916-04-30T10:33:09Z",
              "ms": -1693747610913.827
            },
            "end": {
              "local": "1916-04-30T20:00:15+08:00",
              "utc": "1916-04-30T12:00:15Z",
              "ms": -1693742384916.046
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:12 on Sat 29 Apr to 12:54 on Sun 30 Apr.",
          "fact": "1916-04-29T05:12:18Z → 1916-04-30T04:53:32Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:00 on the 29th, 18:33–20:00 on the 30th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 29th and 0 of 87 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19220 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Saturday 29 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Saturday 29 April. Trayodaśī runs from 13:12 on Sat 29 Apr to 12:54 on Sun 30 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-04-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-04-30",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-04-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38257,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-04-30T12:53:32+08:00",
          "utc": "1916-04-30T04:53:32Z",
          "ms": -1693767987883.1135
        },
        "end": {
          "local": "1916-05-01T12:58:02+08:00",
          "utc": "1916-05-01T04:58:02Z",
          "ms": -1693681318113.0125
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-04-30T12:53:32+08:00",
          "utc": "1916-04-30T04:53:32Z",
          "ms": -1693767987883.1135
        },
        "end": {
          "local": "1916-05-01T12:58:02+08:00",
          "utc": "1916-05-01T04:58:02Z",
          "ms": -1693681318113.0125
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-04-30",
          "window": {
            "start": {
              "local": "1916-04-30T23:35:47+08:00",
              "utc": "1916-04-30T15:35:47Z",
              "ms": -1693729453422.1482
            },
            "end": {
              "local": "1916-05-01T00:23:47+08:00",
              "utc": "1916-04-30T16:23:47Z",
              "ms": -1693726573422.1482
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-05-01",
          "window": {
            "start": {
              "local": "1916-05-01T23:35:39+08:00",
              "utc": "1916-05-01T15:35:39Z",
              "ms": -1693643060917.4065
            },
            "end": {
              "local": "1916-05-02T00:23:39+08:00",
              "utc": "1916-05-01T16:23:39Z",
              "ms": -1693640180917.4065
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 12:54 on Sun 30 Apr to 12:58 on Mon 1 May.",
          "fact": "1916-04-30T04:53:32Z → 1916-05-01T04:58:02Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 30th, 23:36–00:24 on the 1st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 38257 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Sunday 30 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-04-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-04-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Sunday 30 April. Caturdaśī runs from 12:54 on Sun 30 Apr to 12:58 on Mon 1 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-04-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2581,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1916-05-04T15:56:06+08:00",
          "utc": "1916-05-04T07:56:06Z",
          "ms": -1693411433655.323
        },
        "end": {
          "local": "1916-05-05T17:52:46+08:00",
          "utc": "1916-05-05T09:52:46Z",
          "ms": -1693318034072.9185
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-04T15:56:06+08:00",
          "utc": "1916-05-04T07:56:06Z",
          "ms": -1693411433655.323
        },
        "end": {
          "local": "1916-05-05T17:52:46+08:00",
          "utc": "1916-05-05T09:52:46Z",
          "ms": -1693318034072.9185
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-05-04",
          "window": {
            "start": {
              "local": "1916-05-04T18:35:15+08:00",
              "utc": "1916-05-04T10:35:15Z",
              "ms": -1693401884642.3064
            },
            "end": {
              "local": "1916-05-04T20:01:41+08:00",
              "utc": "1916-05-04T12:01:41Z",
              "ms": -1693396699438.59
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        },
        {
          "local_date": "1916-05-05",
          "window": {
            "start": {
              "local": "1916-05-05T18:35:47+08:00",
              "utc": "1916-05-05T10:35:47Z",
              "ms": -1693315452775.1687
            },
            "end": {
              "local": "1916-05-05T20:02:03+08:00",
              "utc": "1916-05-05T12:02:03Z",
              "ms": -1693310277483.673
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 15:56 on Thu 4 May to 17:53 on Fri 5 May.",
          "fact": "1916-05-04T07:56:06Z → 1916-05-05T09:52:46Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:02 on the 4th, 18:36–20:02 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 86 of 86 minutes on the 4th and 0 of 86 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2581 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Fuzhou, 1916: Thursday 4 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Jayantī 1916 falls on Thursday 4 May. Tṛtīyā runs from 15:56 on Thu 4 May to 17:53 on Fri 5 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/parashurama-jayanti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22096,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1916-05-04T15:56:06+08:00",
          "utc": "1916-05-04T07:56:06Z",
          "ms": -1693411433655.323
        },
        "end": {
          "local": "1916-05-05T17:52:46+08:00",
          "utc": "1916-05-05T09:52:46Z",
          "ms": -1693318034072.9185
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-04T15:56:06+08:00",
          "utc": "1916-05-04T07:56:06Z",
          "ms": -1693411433655.323
        },
        "end": {
          "local": "1916-05-05T17:52:46+08:00",
          "utc": "1916-05-05T09:52:46Z",
          "ms": -1693318034072.9185
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1916-05-04",
          "window": {
            "start": {
              "local": "1916-05-04T05:24:08+08:00",
              "utc": "1916-05-03T21:24:08Z",
              "ms": -1693449352144.622
            },
            "end": {
              "local": "1916-05-04T09:47:50+08:00",
              "utc": "1916-05-04T01:47:50Z",
              "ms": -1693433529643.85
            }
          },
          "covered_min": 0,
          "window_min": 264,
          "qualifies": false
        },
        {
          "local_date": "1916-05-05",
          "window": {
            "start": {
              "local": "1916-05-05T05:23:24+08:00",
              "utc": "1916-05-04T21:23:24Z",
              "ms": -1693362995614.4348
            },
            "end": {
              "local": "1916-05-05T09:47:32+08:00",
              "utc": "1916-05-05T01:47:32Z",
              "ms": -1693347148001.3462
            }
          },
          "covered_min": 264,
          "window_min": 264,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 15:56 on Thu 4 May to 17:53 on Fri 5 May.",
          "fact": "1916-05-04T07:56:06Z → 1916-05-05T09:52:46Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:24–09:48 on the 4th, 05:23–09:48 on the 5th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 264 minutes on the 4th and 264 of 264 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22096 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Fuzhou, 1916: Friday 5 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.",
        "kaala": "purvahna",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Tṛtīyā 1916 falls on Friday 5 May. Tṛtīyā runs from 15:56 on Thu 4 May to 17:53 on Fri 5 May and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/akshaya-tritiya",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-05-06",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19750,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-05-05T17:52:46+08:00",
          "utc": "1916-05-05T09:52:46Z",
          "ms": -1693318034072.9185
        },
        "end": {
          "local": "1916-05-06T20:12:38+08:00",
          "utc": "1916-05-06T12:12:38Z",
          "ms": -1693223242342.494
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-05T17:52:46+08:00",
          "utc": "1916-05-05T09:52:46Z",
          "ms": -1693318034072.9185
        },
        "end": {
          "local": "1916-05-06T20:12:38+08:00",
          "utc": "1916-05-06T12:12:38Z",
          "ms": -1693223242342.494
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-05-05",
          "window": {
            "start": {
              "local": "1916-05-05T11:35:36+08:00",
              "utc": "1916-05-05T03:35:36Z",
              "ms": -1693340664194.8018
            },
            "end": {
              "local": "1916-05-05T12:23:36+08:00",
              "utc": "1916-05-05T04:23:36Z",
              "ms": -1693337784194.8018
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-05-06",
          "window": {
            "start": {
              "local": "1916-05-06T11:35:31+08:00",
              "utc": "1916-05-06T03:35:31Z",
              "ms": -1693254269451.1514
            },
            "end": {
              "local": "1916-05-06T12:23:31+08:00",
              "utc": "1916-05-06T04:23:31Z",
              "ms": -1693251389451.1514
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:53 on Fri 5 May to 20:13 on Sat 6 May.",
          "fact": "1916-05-05T09:52:46Z → 1916-05-06T12:12:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 5th, 11:36–12:24 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19750 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Saturday 6 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Saturday 6 May. Caturthī runs from 17:53 on Fri 5 May to 20:13 on Sat 6 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-05-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28147,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1916-05-06T20:12:38+08:00",
          "utc": "1916-05-06T12:12:38Z",
          "ms": -1693223242342.494
        },
        "end": {
          "local": "1916-05-07T22:46:45+08:00",
          "utc": "1916-05-07T14:46:45Z",
          "ms": -1693127595428.6807
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-06T20:12:38+08:00",
          "utc": "1916-05-06T12:12:38Z",
          "ms": -1693223242342.494
        },
        "end": {
          "local": "1916-05-07T22:46:45+08:00",
          "utc": "1916-05-07T14:46:45Z",
          "ms": -1693127595428.6807
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-05-06",
          "window": {
            "start": {
              "local": "1916-05-06T11:35:31+08:00",
              "utc": "1916-05-06T03:35:31Z",
              "ms": -1693254269451.1514
            },
            "end": {
              "local": "1916-05-06T12:23:31+08:00",
              "utc": "1916-05-06T04:23:31Z",
              "ms": -1693251389451.1514
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-05-07",
          "window": {
            "start": {
              "local": "1916-05-07T11:35:26+08:00",
              "utc": "1916-05-07T03:35:26Z",
              "ms": -1693167874160.9446
            },
            "end": {
              "local": "1916-05-07T12:23:26+08:00",
              "utc": "1916-05-07T04:23:26Z",
              "ms": -1693164994160.9446
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 20:13 on Sat 6 May to 22:47 on Sun 7 May.",
          "fact": "1916-05-06T12:12:38Z → 1916-05-07T14:46:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 6th, 11:35–12:23 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28147 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Fuzhou, 1916: Sunday 7 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shankara-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sankara jayanti."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śaṅkara Jayantī 1916 falls on Sunday 7 May. Pañcamī runs from 20:13 on Sat 6 May to 22:47 on Sun 7 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shankara-jayanti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28212,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1916-05-09T01:22:30+08:00",
          "utc": "1916-05-08T17:22:30Z",
          "ms": -1693031850209.0742
        },
        "end": {
          "local": "1916-05-10T03:45:03+08:00",
          "utc": "1916-05-09T19:45:03Z",
          "ms": -1692936896551.2668
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-09T01:22:30+08:00",
          "utc": "1916-05-08T17:22:30Z",
          "ms": -1693031850209.0742
        },
        "end": {
          "local": "1916-05-10T03:45:03+08:00",
          "utc": "1916-05-09T19:45:03Z",
          "ms": -1692936896551.2668
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-05-09",
          "window": {
            "start": {
              "local": "1916-05-09T11:35:18+08:00",
              "utc": "1916-05-09T03:35:18Z",
              "ms": -1692995081935.9194
            },
            "end": {
              "local": "1916-05-09T12:23:18+08:00",
              "utc": "1916-05-09T04:23:18Z",
              "ms": -1692992201935.9194
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-05-10",
          "window": {
            "start": {
              "local": "1916-05-10T11:35:15+08:00",
              "utc": "1916-05-10T03:35:15Z",
              "ms": -1692908684999.267
            },
            "end": {
              "local": "1916-05-10T12:23:15+08:00",
              "utc": "1916-05-10T04:23:15Z",
              "ms": -1692905804999.267
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 01:22 on Tue 9 May to 03:45 on Wed 10 May.",
          "fact": "1916-05-08T17:22:30Z → 1916-05-09T19:45:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 9th, 11:35–12:23 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 28212 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Fuzhou, 1916: Tuesday 9 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 1916 falls on Tuesday 9 May. Saptamī runs from 01:22 on Tue 9 May to 03:45 on Wed 10 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/gangotpatti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-05-14",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5875,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-05-13T07:20:21+08:00",
          "utc": "1916-05-12T23:20:21Z",
          "ms": -1692664779188.5964
        },
        "end": {
          "local": "1916-05-14T06:55:35+08:00",
          "utc": "1916-05-13T22:55:35Z",
          "ms": -1692579865100.6401
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-13T07:20:21+08:00",
          "utc": "1916-05-12T23:20:21Z",
          "ms": -1692664779188.5964
        },
        "end": {
          "local": "1916-05-14T06:55:35+08:00",
          "utc": "1916-05-13T22:55:35Z",
          "ms": -1692579865100.6401
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-05-13",
          "window": {
            "start": {
              "local": "1916-05-13T05:18:14+08:00",
              "utc": "1916-05-12T21:18:14Z",
              "ms": -1692672106177.9075
            },
            "end": {
              "local": "1916-05-13T05:18:14+08:00",
              "utc": "1916-05-12T21:18:14Z",
              "ms": -1692672106177.9075
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-05-14",
          "window": {
            "start": {
              "local": "1916-05-14T05:17:40+08:00",
              "utc": "1916-05-13T21:17:40Z",
              "ms": -1692585740110.1921
            },
            "end": {
              "local": "1916-05-14T05:17:40+08:00",
              "utc": "1916-05-13T21:17:40Z",
              "ms": -1692585740110.1921
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:20 on Sat 13 May to 06:56 on Sun 14 May.",
          "fact": "1916-05-12T23:20:21Z → 1916-05-13T22:55:35Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:18 on the 13th and 05:18 on the 14th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 13th and is on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5875 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Fuzhou, 1916: Sunday 14 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mohinī Ekādaśī 1916 falls on Sunday 14 May. Ekādaśī runs from 07:20 on Sat 13 May to 06:56 on Sun 14 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-05-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16773,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1916-05-14T06:55:35+08:00",
          "utc": "1916-05-13T22:55:35Z",
          "ms": -1692579865100.6401
        },
        "end": {
          "local": "1916-05-15T05:41:35+08:00",
          "utc": "1916-05-14T21:41:35Z",
          "ms": -1692497905489.221
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-14T06:55:35+08:00",
          "utc": "1916-05-13T22:55:35Z",
          "ms": -1692579865100.6401
        },
        "end": {
          "local": "1916-05-15T05:41:35+08:00",
          "utc": "1916-05-14T21:41:35Z",
          "ms": -1692497905489.221
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-05-14",
          "window": {
            "start": {
              "local": "1916-05-14T11:35:08+08:00",
              "utc": "1916-05-14T03:35:08Z",
              "ms": -1692563091745.9343
            },
            "end": {
              "local": "1916-05-14T12:23:08+08:00",
              "utc": "1916-05-14T04:23:08Z",
              "ms": -1692560211745.9343
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-05-15",
          "window": {
            "start": {
              "local": "1916-05-15T11:35:08+08:00",
              "utc": "1916-05-15T03:35:08Z",
              "ms": -1692476692053.6802
            },
            "end": {
              "local": "1916-05-15T12:23:08+08:00",
              "utc": "1916-05-15T04:23:08Z",
              "ms": -1692473812053.6802
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 06:56 on Sun 14 May to 05:42 on Mon 15 May.",
          "fact": "1916-05-13T22:55:35Z → 1916-05-14T21:41:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 14th, 11:35–12:23 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 16773 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Fuzhou, 1916: Sunday 14 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Dvādaśī 1916 falls on Sunday 14 May. Dvādaśī runs from 06:56 on Sun 14 May to 05:42 on Mon 15 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/parashurama-dvadashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16773,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1916-05-14T06:55:35+08:00",
          "utc": "1916-05-13T22:55:35Z",
          "ms": -1692579865100.6401
        },
        "end": {
          "local": "1916-05-15T05:41:35+08:00",
          "utc": "1916-05-14T21:41:35Z",
          "ms": -1692497905489.221
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-14T06:55:35+08:00",
          "utc": "1916-05-13T22:55:35Z",
          "ms": -1692579865100.6401
        },
        "end": {
          "local": "1916-05-15T05:41:35+08:00",
          "utc": "1916-05-14T21:41:35Z",
          "ms": -1692497905489.221
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-05-14",
          "window": {
            "start": {
              "local": "1916-05-14T11:35:08+08:00",
              "utc": "1916-05-14T03:35:08Z",
              "ms": -1692563091745.9343
            },
            "end": {
              "local": "1916-05-14T12:23:08+08:00",
              "utc": "1916-05-14T04:23:08Z",
              "ms": -1692560211745.9343
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-05-15",
          "window": {
            "start": {
              "local": "1916-05-15T11:35:08+08:00",
              "utc": "1916-05-15T03:35:08Z",
              "ms": -1692476692053.6802
            },
            "end": {
              "local": "1916-05-15T12:23:08+08:00",
              "utc": "1916-05-15T04:23:08Z",
              "ms": -1692473812053.6802
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 06:56 on Sun 14 May to 05:42 on Mon 15 May.",
          "fact": "1916-05-13T22:55:35Z → 1916-05-14T21:41:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 14th, 11:35–12:23 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 16773 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Fuzhou, 1916: Sunday 14 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rukmini-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rukmiṇī Dvādaśī 1916 falls on Sunday 14 May. Dvādaśī runs from 06:56 on Sun 14 May to 05:42 on Mon 15 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/rukmini-dvadashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-05-15",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27479,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-05-15T05:41:35+08:00",
          "utc": "1916-05-14T21:41:35Z",
          "ms": -1692497905489.221
        },
        "end": {
          "local": "1916-05-16T03:43:51+08:00",
          "utc": "1916-05-15T19:43:51Z",
          "ms": -1692418568582.1804
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-15T05:41:35+08:00",
          "utc": "1916-05-14T21:41:35Z",
          "ms": -1692497905489.221
        },
        "end": {
          "local": "1916-05-16T03:43:51+08:00",
          "utc": "1916-05-15T19:43:51Z",
          "ms": -1692418568582.1804
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-05-14",
          "window": {
            "start": {
              "local": "1916-05-14T18:40:37+08:00",
              "utc": "1916-05-14T10:40:37Z",
              "ms": -1692537563381.6765
            },
            "end": {
              "local": "1916-05-14T20:05:29+08:00",
              "utc": "1916-05-14T12:05:29Z",
              "ms": -1692532471318.0286
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "1916-05-15",
          "window": {
            "start": {
              "local": "1916-05-15T18:41:09+08:00",
              "utc": "1916-05-15T10:41:09Z",
              "ms": -1692451131203.043
            },
            "end": {
              "local": "1916-05-15T20:05:52+08:00",
              "utc": "1916-05-15T12:05:52Z",
              "ms": -1692446047648.61
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:42 on Mon 15 May to 03:44 on Tue 16 May.",
          "fact": "1916-05-14T21:41:35Z → 1916-05-15T19:43:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:05 on the 14th, 18:41–20:06 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 14th and 85 of 85 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27479 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Monday 15 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Monday 15 May. Trayodaśī runs from 05:42 on Mon 15 May to 03:44 on Tue 16 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-05-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18254,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-05-16T03:43:51+08:00",
          "utc": "1916-05-15T19:43:51Z",
          "ms": -1692418568582.1804
        },
        "end": {
          "local": "1916-05-17T01:10:31+08:00",
          "utc": "1916-05-16T17:10:31Z",
          "ms": -1692341369476.0933
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-16T03:43:51+08:00",
          "utc": "1916-05-15T19:43:51Z",
          "ms": -1692418568582.1804
        },
        "end": {
          "local": "1916-05-17T01:10:31+08:00",
          "utc": "1916-05-16T17:10:31Z",
          "ms": -1692341369476.0933
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-05-15",
          "window": {
            "start": {
              "local": "1916-05-15T18:41:09+08:00",
              "utc": "1916-05-15T10:41:09Z",
              "ms": -1692451131203.043
            },
            "end": {
              "local": "1916-05-15T20:05:52+08:00",
              "utc": "1916-05-15T12:05:52Z",
              "ms": -1692446047648.61
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "1916-05-16",
          "window": {
            "start": {
              "local": "1916-05-16T18:41:41+08:00",
              "utc": "1916-05-16T10:41:41Z",
              "ms": -1692364699072.2268
            },
            "end": {
              "local": "1916-05-16T20:06:16+08:00",
              "utc": "1916-05-16T12:06:16Z",
              "ms": -1692359623864.7434
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:44 on Tue 16 May to 01:11 on Wed 17 May.",
          "fact": "1916-05-15T19:43:51Z → 1916-05-16T17:10:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:06 on the 15th, 18:42–20:06 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 15th and 85 of 85 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18254 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Fuzhou, 1916: Tuesday 16 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "nrisimha-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')."
          }
        ],
        "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.",
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1916 falls on Tuesday 16 May. Caturdaśī runs from 03:44 on Tue 16 May to 01:11 on Wed 17 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/nrisimha-chaturdashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35275,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-05-17T01:10:31+08:00",
          "utc": "1916-05-16T17:10:31Z",
          "ms": -1692341369476.0933
        },
        "end": {
          "local": "1916-05-17T22:11:04+08:00",
          "utc": "1916-05-17T14:11:04Z",
          "ms": -1692265735776.4294
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-17T01:10:31+08:00",
          "utc": "1916-05-16T17:10:31Z",
          "ms": -1692341369476.0933
        },
        "end": {
          "local": "1916-05-17T22:11:04+08:00",
          "utc": "1916-05-17T14:11:04Z",
          "ms": -1692265735776.4294
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-05-16",
          "window": {
            "start": {
              "local": "1916-05-16T11:35:08+08:00",
              "utc": "1916-05-16T03:35:08Z",
              "ms": -1692390291808.5115
            },
            "end": {
              "local": "1916-05-16T12:23:08+08:00",
              "utc": "1916-05-16T04:23:08Z",
              "ms": -1692387411808.5115
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-05-17",
          "window": {
            "start": {
              "local": "1916-05-17T11:35:09+08:00",
              "utc": "1916-05-17T03:35:09Z",
              "ms": -1692303891009.5137
            },
            "end": {
              "local": "1916-05-17T12:23:09+08:00",
              "utc": "1916-05-17T04:23:09Z",
              "ms": -1692301011009.5137
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:11 on Wed 17 May to 22:11 on Wed 17 May.",
          "fact": "1916-05-16T17:10:31Z → 1916-05-17T14:11:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 16th, 11:35–12:23 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35275 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Fuzhou, 1916: Wednesday 17 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "buddha-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Buddha Pūrṇimā 1916 falls on Wednesday 17 May. Pūrṇimā runs from 01:11 on Wed 17 May to 22:11 on Wed 17 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/buddha-purnima",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35275,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-05-17T01:10:31+08:00",
          "utc": "1916-05-16T17:10:31Z",
          "ms": -1692341369476.0933
        },
        "end": {
          "local": "1916-05-17T22:11:04+08:00",
          "utc": "1916-05-17T14:11:04Z",
          "ms": -1692265735776.4294
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-17T01:10:31+08:00",
          "utc": "1916-05-16T17:10:31Z",
          "ms": -1692341369476.0933
        },
        "end": {
          "local": "1916-05-17T22:11:04+08:00",
          "utc": "1916-05-17T14:11:04Z",
          "ms": -1692265735776.4294
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-05-16",
          "window": {
            "start": {
              "local": "1916-05-16T11:35:08+08:00",
              "utc": "1916-05-16T03:35:08Z",
              "ms": -1692390291808.5115
            },
            "end": {
              "local": "1916-05-16T12:23:08+08:00",
              "utc": "1916-05-16T04:23:08Z",
              "ms": -1692387411808.5115
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-05-17",
          "window": {
            "start": {
              "local": "1916-05-17T11:35:09+08:00",
              "utc": "1916-05-17T03:35:09Z",
              "ms": -1692303891009.5137
            },
            "end": {
              "local": "1916-05-17T12:23:09+08:00",
              "utc": "1916-05-17T04:23:09Z",
              "ms": -1692301011009.5137
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:11 on Wed 17 May to 22:11 on Wed 17 May.",
          "fact": "1916-05-16T17:10:31Z → 1916-05-17T14:11:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 16th, 11:35–12:23 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35275 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Fuzhou, 1916: Wednesday 17 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sampat-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sampat Gaurī Vrata 1916 falls on Wednesday 17 May. Pūrṇimā runs from 01:11 on Wed 17 May to 22:11 on Wed 17 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sampat-gauri-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-05-20",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34613,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-05-20T12:16:17+08:00",
          "utc": "1916-05-20T04:16:17Z",
          "ms": -1692042223420.6553
        },
        "end": {
          "local": "1916-05-21T09:10:02+08:00",
          "utc": "1916-05-21T01:10:02Z",
          "ms": -1691966997875.9458
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-20T12:16:17+08:00",
          "utc": "1916-05-20T04:16:17Z",
          "ms": -1692042223420.6553
        },
        "end": {
          "local": "1916-05-21T09:10:02+08:00",
          "utc": "1916-05-21T01:10:02Z",
          "ms": -1691966997875.9458
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-05-20",
          "window": {
            "start": {
              "local": "1916-05-20T21:53:10+08:00",
              "utc": "1916-05-20T13:53:10Z",
              "ms": -1692007610422.6343
            },
            "end": {
              "local": "1916-05-20T21:53:10+08:00",
              "utc": "1916-05-20T13:53:10Z",
              "ms": -1692007610422.6343
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-05-21",
          "window": {
            "start": {
              "local": "1916-05-21T22:45:38+08:00",
              "utc": "1916-05-21T14:45:38Z",
              "ms": -1691918061642.4666
            },
            "end": {
              "local": "1916-05-21T22:45:38+08:00",
              "utc": "1916-05-21T14:45:38Z",
              "ms": -1691918061642.4666
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:16 on Sat 20 May to 09:10 on Sun 21 May.",
          "fact": "1916-05-20T04:16:17Z → 1916-05-21T01:10:02Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:53 on the 20th and 22:46 on the 21st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 20th and is not on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34613 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Saturday 20 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Saturday 20 May. Caturthī runs from 12:16 on Sat 20 May to 09:10 on Sun 21 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-05-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-05-27",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21469,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-05-26T23:13:06+08:00",
          "utc": "1916-05-26T15:13:06Z",
          "ms": -1691484414366.372
        },
        "end": {
          "local": "1916-05-27T23:14:01+08:00",
          "utc": "1916-05-27T15:14:01Z",
          "ms": -1691397958544.4524
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-26T23:13:06+08:00",
          "utc": "1916-05-26T15:13:06Z",
          "ms": -1691484414366.372
        },
        "end": {
          "local": "1916-05-27T23:14:01+08:00",
          "utc": "1916-05-27T15:14:01Z",
          "ms": -1691397958544.4524
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-05-27",
          "window": {
            "start": {
              "local": "1916-05-27T05:12:08+08:00",
              "utc": "1916-05-26T21:12:08Z",
              "ms": -1691462872300.6055
            },
            "end": {
              "local": "1916-05-27T05:12:08+08:00",
              "utc": "1916-05-26T21:12:08Z",
              "ms": -1691462872300.6055
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-05-28",
          "window": {
            "start": {
              "local": "1916-05-28T05:11:51+08:00",
              "utc": "1916-05-27T21:11:51Z",
              "ms": -1691376489065.7744
            },
            "end": {
              "local": "1916-05-28T05:11:51+08:00",
              "utc": "1916-05-27T21:11:51Z",
              "ms": -1691376489065.7744
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:13 on Fri 26 May to 23:14 on Sat 27 May.",
          "fact": "1916-05-26T15:13:06Z → 1916-05-27T15:14:01Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:12 on the 27th and 05:12 on the 28th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21469 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Fuzhou, 1916: Saturday 27 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aparā Ekādaśī 1916 falls on Saturday 27 May. Ekādaśī runs from 23:13 on Fri 26 May to 23:14 on Sat 27 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-05-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-05-29",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12647,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-05-28T23:41:52+08:00",
          "utc": "1916-05-28T15:41:52Z",
          "ms": -1691309887581.9006
        },
        "end": {
          "local": "1916-05-30T00:35:37+08:00",
          "utc": "1916-05-29T16:35:37Z",
          "ms": -1691220263141.9224
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-28T23:41:52+08:00",
          "utc": "1916-05-28T15:41:52Z",
          "ms": -1691309887581.9006
        },
        "end": {
          "local": "1916-05-30T00:35:37+08:00",
          "utc": "1916-05-29T16:35:37Z",
          "ms": -1691220263141.9224
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-05-28",
          "window": {
            "start": {
              "local": "1916-05-28T18:47:57+08:00",
              "utc": "1916-05-28T10:47:57Z",
              "ms": -1691327523320.6885
            },
            "end": {
              "local": "1916-05-28T20:11:06+08:00",
              "utc": "1916-05-28T12:11:06Z",
              "ms": -1691322534151.205
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "1916-05-29",
          "window": {
            "start": {
              "local": "1916-05-29T18:48:26+08:00",
              "utc": "1916-05-29T10:48:26Z",
              "ms": -1691241093511.513
            },
            "end": {
              "local": "1916-05-29T20:11:30+08:00",
              "utc": "1916-05-29T12:11:30Z",
              "ms": -1691236110210.5354
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:42 on Sun 28 May to 00:36 on Tue 30 May.",
          "fact": "1916-05-28T15:41:52Z → 1916-05-29T16:35:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:11 on the 28th, 18:48–20:11 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 28th and 83 of 83 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12647 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Monday 29 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Monday 29 May. Trayodaśī runs from 23:42 on Sun 28 May to 00:36 on Tue 30 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-05-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-05-30",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-05-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 703,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-05-30T00:35:37+08:00",
          "utc": "1916-05-29T16:35:37Z",
          "ms": -1691220263141.9224
        },
        "end": {
          "local": "1916-05-31T01:54:21+08:00",
          "utc": "1916-05-30T17:54:21Z",
          "ms": -1691129138977.8267
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-05-30T00:35:37+08:00",
          "utc": "1916-05-29T16:35:37Z",
          "ms": -1691220263141.9224
        },
        "end": {
          "local": "1916-05-31T01:54:21+08:00",
          "utc": "1916-05-30T17:54:21Z",
          "ms": -1691129138977.8267
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-05-29",
          "window": {
            "start": {
              "local": "1916-05-29T23:35:54+08:00",
              "utc": "1916-05-29T15:35:54Z",
              "ms": -1691223846132.8472
            },
            "end": {
              "local": "1916-05-30T00:23:54+08:00",
              "utc": "1916-05-29T16:23:54Z",
              "ms": -1691220966132.8472
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-05-30",
          "window": {
            "start": {
              "local": "1916-05-30T23:36:02+08:00",
              "utc": "1916-05-30T15:36:02Z",
              "ms": -1691137437874.4495
            },
            "end": {
              "local": "1916-05-31T00:24:02+08:00",
              "utc": "1916-05-30T16:24:02Z",
              "ms": -1691134557874.4495
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:36 on Tue 30 May to 01:54 on Wed 31 May.",
          "fact": "1916-05-29T16:35:37Z → 1916-05-30T17:54:21Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 29th, 23:36–00:24 on the 30th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 703 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Tuesday 30 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-05-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-05-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Tuesday 30 May. Caturdaśī runs from 00:36 on Tue 30 May to 01:54 on Wed 31 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-05-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3536,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1916-06-03T08:03:42+08:00",
          "utc": "1916-06-03T00:03:42Z",
          "ms": -1690847777811.8284
        },
        "end": {
          "local": "1916-06-04T10:37:57+08:00",
          "utc": "1916-06-04T02:37:57Z",
          "ms": -1690752123431.4724
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-03T08:03:42+08:00",
          "utc": "1916-06-03T00:03:42Z",
          "ms": -1690847777811.8284
        },
        "end": {
          "local": "1916-06-04T10:37:57+08:00",
          "utc": "1916-06-04T02:37:57Z",
          "ms": -1690752123431.4724
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-06-03",
          "window": {
            "start": {
              "local": "1916-06-03T11:36:43+08:00",
              "utc": "1916-06-03T03:36:43Z",
              "ms": -1690834996718.1978
            },
            "end": {
              "local": "1916-06-03T12:24:43+08:00",
              "utc": "1916-06-03T04:24:43Z",
              "ms": -1690832116718.1978
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-06-04",
          "window": {
            "start": {
              "local": "1916-06-04T11:36:53+08:00",
              "utc": "1916-06-04T03:36:53Z",
              "ms": -1690748587091.3262
            },
            "end": {
              "local": "1916-06-04T12:24:53+08:00",
              "utc": "1916-06-04T04:24:53Z",
              "ms": -1690745707091.3262
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 08:04 on Sat 3 Jun to 10:38 on Sun 4 Jun.",
          "fact": "1916-06-03T00:03:42Z → 1916-06-04T02:37:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 3rd, 11:37–12:25 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3536 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Fuzhou, 1916: Saturday 3 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rambha-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Rambha trtiya (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-03",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Rambhā Tṛtīyā 1916 falls on Saturday 3 June. Tṛtīyā runs from 08:04 on Sat 3 Jun to 10:38 on Sun 4 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/rambha-tritiya",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-06-04",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-04",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 3004,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-06-04T10:37:57+08:00",
          "utc": "1916-06-04T02:37:57Z",
          "ms": -1690752123431.4724
        },
        "end": {
          "local": "1916-06-05T13:15:07+08:00",
          "utc": "1916-06-05T05:15:07Z",
          "ms": -1690656293137.9333
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-04T10:37:57+08:00",
          "utc": "1916-06-04T02:37:57Z",
          "ms": -1690752123431.4724
        },
        "end": {
          "local": "1916-06-05T13:15:07+08:00",
          "utc": "1916-06-05T05:15:07Z",
          "ms": -1690656293137.9333
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-06-04",
          "window": {
            "start": {
              "local": "1916-06-04T11:36:53+08:00",
              "utc": "1916-06-04T03:36:53Z",
              "ms": -1690748587091.3262
            },
            "end": {
              "local": "1916-06-04T12:24:53+08:00",
              "utc": "1916-06-04T04:24:53Z",
              "ms": -1690745707091.3262
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-06-05",
          "window": {
            "start": {
              "local": "1916-06-05T11:37:03+08:00",
              "utc": "1916-06-05T03:37:03Z",
              "ms": -1690662177123.7993
            },
            "end": {
              "local": "1916-06-05T12:25:03+08:00",
              "utc": "1916-06-05T04:25:03Z",
              "ms": -1690659297123.7993
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:38 on Sun 4 Jun to 13:15 on Mon 5 Jun.",
          "fact": "1916-06-04T02:37:57Z → 1916-06-05T05:15:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 4th, 11:37–12:25 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 3004 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Sunday 4 June.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-04",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-04",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Sunday 4 June. Caturthī runs from 10:38 on Sun 4 Jun to 13:15 on Mon 5 Jun and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-06-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11922,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1916-06-06T15:43:55+08:00",
          "utc": "1916-06-06T07:43:55Z",
          "ms": -1690560965068.43
        },
        "end": {
          "local": "1916-06-07T17:51:47+08:00",
          "utc": "1916-06-07T09:51:47Z",
          "ms": -1690466893329.7136
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-06T15:43:55+08:00",
          "utc": "1916-06-06T07:43:55Z",
          "ms": -1690560965068.43
        },
        "end": {
          "local": "1916-06-07T17:51:47+08:00",
          "utc": "1916-06-07T09:51:47Z",
          "ms": -1690466893329.7136
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-06-06",
          "window": {
            "start": {
              "local": "1916-06-06T11:37:13+08:00",
              "utc": "1916-06-06T03:37:13Z",
              "ms": -1690575766836.5796
            },
            "end": {
              "local": "1916-06-06T12:25:13+08:00",
              "utc": "1916-06-06T04:25:13Z",
              "ms": -1690572886836.5796
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-06-07",
          "window": {
            "start": {
              "local": "1916-06-07T11:37:24+08:00",
              "utc": "1916-06-07T03:37:24Z",
              "ms": -1690489356250.7832
            },
            "end": {
              "local": "1916-06-07T12:25:24+08:00",
              "utc": "1916-06-07T04:25:24Z",
              "ms": -1690486476250.7832
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 15:44 on Tue 6 Jun to 17:52 on Wed 7 Jun.",
          "fact": "1916-06-06T07:43:55Z → 1916-06-07T09:51:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 6th, 11:37–12:25 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11922 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Fuzhou, 1916: Wednesday 7 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aranya-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Araṇya Gaurī Vrata 1916 falls on Wednesday 7 June. Ṣaṣṭhī runs from 15:44 on Tue 6 Jun to 17:52 on Wed 7 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/aranya-gauri-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11922,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1916-06-06T15:43:55+08:00",
          "utc": "1916-06-06T07:43:55Z",
          "ms": -1690560965068.43
        },
        "end": {
          "local": "1916-06-07T17:51:47+08:00",
          "utc": "1916-06-07T09:51:47Z",
          "ms": -1690466893329.7136
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-06T15:43:55+08:00",
          "utc": "1916-06-06T07:43:55Z",
          "ms": -1690560965068.43
        },
        "end": {
          "local": "1916-06-07T17:51:47+08:00",
          "utc": "1916-06-07T09:51:47Z",
          "ms": -1690466893329.7136
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-06-06",
          "window": {
            "start": {
              "local": "1916-06-06T11:37:13+08:00",
              "utc": "1916-06-06T03:37:13Z",
              "ms": -1690575766836.5796
            },
            "end": {
              "local": "1916-06-06T12:25:13+08:00",
              "utc": "1916-06-06T04:25:13Z",
              "ms": -1690572886836.5796
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-06-07",
          "window": {
            "start": {
              "local": "1916-06-07T11:37:24+08:00",
              "utc": "1916-06-07T03:37:24Z",
              "ms": -1690489356250.7832
            },
            "end": {
              "local": "1916-06-07T12:25:24+08:00",
              "utc": "1916-06-07T04:25:24Z",
              "ms": -1690486476250.7832
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 15:44 on Tue 6 Jun to 17:52 on Wed 7 Jun.",
          "fact": "1916-06-06T07:43:55Z → 1916-06-07T09:51:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 6th, 11:37–12:25 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11922 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 1916: Wednesday 7 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi-jyaishtha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1916 falls on Wednesday 7 June. Ṣaṣṭhī runs from 15:44 on Tue 6 Jun to 17:52 on Wed 7 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/skanda-shashthi-jyaishtha",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-06-12",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34608,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-06-11T19:33:22+08:00",
          "utc": "1916-06-11T11:33:22Z",
          "ms": -1690115197825.531
        },
        "end": {
          "local": "1916-06-12T17:56:34+08:00",
          "utc": "1916-06-12T09:56:34Z",
          "ms": -1690034606066.6895
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-11T19:33:22+08:00",
          "utc": "1916-06-11T11:33:22Z",
          "ms": -1690115197825.531
        },
        "end": {
          "local": "1916-06-12T17:56:34+08:00",
          "utc": "1916-06-12T09:56:34Z",
          "ms": -1690034606066.6895
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-06-12",
          "window": {
            "start": {
              "local": "1916-06-12T05:10:10+08:00",
              "utc": "1916-06-11T21:10:10Z",
              "ms": -1690080590052.5671
            },
            "end": {
              "local": "1916-06-12T05:10:10+08:00",
              "utc": "1916-06-11T21:10:10Z",
              "ms": -1690080590052.5671
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-06-13",
          "window": {
            "start": {
              "local": "1916-06-13T05:10:13+08:00",
              "utc": "1916-06-12T21:10:13Z",
              "ms": -1689994187166.4631
            },
            "end": {
              "local": "1916-06-13T05:10:13+08:00",
              "utc": "1916-06-12T21:10:13Z",
              "ms": -1689994187166.4631
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:33 on Sun 11 Jun to 17:57 on Mon 12 Jun.",
          "fact": "1916-06-11T11:33:22Z → 1916-06-12T09:56:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:10 on the 12th and 05:10 on the 13th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34608 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Fuzhou, 1916: Monday 12 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nirjalā Ekādaśī 1916 falls on Monday 12 June. Ekādaśī runs from 19:33 on Sun 11 Jun to 17:57 on Mon 12 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-06-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11395,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1916-06-12T17:56:34+08:00",
          "utc": "1916-06-12T09:56:34Z",
          "ms": -1690034606066.6895
        },
        "end": {
          "local": "1916-06-13T15:36:28+08:00",
          "utc": "1916-06-13T07:36:28Z",
          "ms": -1689956612228.1128
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-12T17:56:34+08:00",
          "utc": "1916-06-12T09:56:34Z",
          "ms": -1690034606066.6895
        },
        "end": {
          "local": "1916-06-13T15:36:28+08:00",
          "utc": "1916-06-13T07:36:28Z",
          "ms": -1689956612228.1128
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-06-12",
          "window": {
            "start": {
              "local": "1916-06-12T11:38:20+08:00",
              "utc": "1916-06-12T03:38:20Z",
              "ms": -1690057299580.5718
            },
            "end": {
              "local": "1916-06-12T12:26:20+08:00",
              "utc": "1916-06-12T04:26:20Z",
              "ms": -1690054419580.5718
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-06-13",
          "window": {
            "start": {
              "local": "1916-06-13T11:38:32+08:00",
              "utc": "1916-06-13T03:38:32Z",
              "ms": -1689970887641.8877
            },
            "end": {
              "local": "1916-06-13T12:26:32+08:00",
              "utc": "1916-06-13T04:26:32Z",
              "ms": -1689968007641.8877
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 17:57 on Mon 12 Jun to 15:36 on Tue 13 Jun.",
          "fact": "1916-06-12T09:56:34Z → 1916-06-13T07:36:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:39–12:27 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11395 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Fuzhou, 1916: Tuesday 13 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-rama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Rāma Dvādaśī 1916 falls on Tuesday 13 June. Dvādaśī runs from 17:57 on Mon 12 Jun to 15:36 on Tue 13 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shri-rama-dvadashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-06-13",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11904,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-06-13T15:36:28+08:00",
          "utc": "1916-06-13T07:36:28Z",
          "ms": -1689956612228.1128
        },
        "end": {
          "local": "1916-06-14T12:40:54+08:00",
          "utc": "1916-06-14T04:40:54Z",
          "ms": -1689880746290.8667
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-13T15:36:28+08:00",
          "utc": "1916-06-13T07:36:28Z",
          "ms": -1689956612228.1128
        },
        "end": {
          "local": "1916-06-14T12:40:54+08:00",
          "utc": "1916-06-14T04:40:54Z",
          "ms": -1689880746290.8667
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-06-13",
          "window": {
            "start": {
              "local": "1916-06-13T18:54:52+08:00",
              "utc": "1916-06-13T10:54:52Z",
              "ms": -1689944708117.312
            },
            "end": {
              "local": "1916-06-13T20:16:55+08:00",
              "utc": "1916-06-13T12:16:55Z",
              "ms": -1689939784787.8052
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "1916-06-14",
          "window": {
            "start": {
              "local": "1916-06-14T18:55:12+08:00",
              "utc": "1916-06-14T10:55:12Z",
              "ms": -1689858287947.8398
            },
            "end": {
              "local": "1916-06-14T20:17:13+08:00",
              "utc": "1916-06-14T12:17:13Z",
              "ms": -1689853366622.051
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:36 on Tue 13 Jun to 12:41 on Wed 14 Jun.",
          "fact": "1916-06-13T07:36:28Z → 1916-06-14T04:40:54Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:17 on the 13th, 18:55–20:17 on the 14th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 13th and 0 of 82 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11904 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Tuesday 13 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Tuesday 13 June. Trayodaśī runs from 15:36 on Tue 13 Jun to 12:41 on Wed 14 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-06-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33825,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-06-15T09:19:10+08:00",
          "utc": "1916-06-15T01:19:10Z",
          "ms": -1689806450470.5452
        },
        "end": {
          "local": "1916-06-16T05:41:16+08:00",
          "utc": "1916-06-15T21:41:16Z",
          "ms": -1689733123593.3584
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-15T09:19:10+08:00",
          "utc": "1916-06-15T01:19:10Z",
          "ms": -1689806450470.5452
        },
        "end": {
          "local": "1916-06-16T05:41:16+08:00",
          "utc": "1916-06-15T21:41:16Z",
          "ms": -1689733123593.3584
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-06-14",
          "window": {
            "start": {
              "local": "1916-06-14T18:55:12+08:00",
              "utc": "1916-06-14T10:55:12Z",
              "ms": -1689858287947.8398
            },
            "end": {
              "local": "1916-06-14T20:17:13+08:00",
              "utc": "1916-06-14T12:17:13Z",
              "ms": -1689853366622.051
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        },
        {
          "local_date": "1916-06-15",
          "window": {
            "start": {
              "local": "1916-06-15T18:55:31+08:00",
              "utc": "1916-06-15T10:55:31Z",
              "ms": -1689771868623.023
            },
            "end": {
              "local": "1916-06-15T20:17:31+08:00",
              "utc": "1916-06-15T12:17:31Z",
              "ms": -1689766949040.617
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:19 on Thu 15 Jun to 05:41 on Fri 16 Jun.",
          "fact": "1916-06-15T01:19:10Z → 1916-06-15T21:41:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:17 on the 14th, 18:56–20:18 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 82 minutes on the 14th and 82 of 82 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33825 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 1916: Thursday 15 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vata-savitri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 1916 falls on Thursday 15 June. Pūrṇimā runs from 09:19 on Thu 15 Jun to 05:41 on Fri 16 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vata-savitri-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-06-18",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9190,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-06-18T18:50:51+08:00",
          "utc": "1916-06-18T10:50:51Z",
          "ms": -1689512948926.188
        },
        "end": {
          "local": "1916-06-19T15:45:48+08:00",
          "utc": "1916-06-19T07:45:48Z",
          "ms": -1689437651625.911
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-18T18:50:51+08:00",
          "utc": "1916-06-18T10:50:51Z",
          "ms": -1689512948926.188
        },
        "end": {
          "local": "1916-06-19T15:45:48+08:00",
          "utc": "1916-06-19T07:45:48Z",
          "ms": -1689437651625.911
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-06-18",
          "window": {
            "start": {
              "local": "1916-06-18T21:24:01+08:00",
              "utc": "1916-06-18T13:24:01Z",
              "ms": -1689503759346.5557
            },
            "end": {
              "local": "1916-06-18T21:24:01+08:00",
              "utc": "1916-06-18T13:24:01Z",
              "ms": -1689503759346.5557
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-06-19",
          "window": {
            "start": {
              "local": "1916-06-19T22:07:01+08:00",
              "utc": "1916-06-19T14:07:01Z",
              "ms": -1689414779442.7869
            },
            "end": {
              "local": "1916-06-19T22:07:01+08:00",
              "utc": "1916-06-19T14:07:01Z",
              "ms": -1689414779442.7869
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:51 on Sun 18 Jun to 15:46 on Mon 19 Jun.",
          "fact": "1916-06-18T10:50:51Z → 1916-06-19T07:45:48Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:24 on the 18th and 22:07 on the 19th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9190 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Sunday 18 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Sunday 18 June. Caturthī runs from 18:51 on Sun 18 Jun to 15:46 on Mon 19 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-06-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-06-26",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15142,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-06-25T09:24:34+08:00",
          "utc": "1916-06-25T01:24:34Z",
          "ms": -1688942126424.7026
        },
        "end": {
          "local": "1916-06-26T10:29:12+08:00",
          "utc": "1916-06-26T02:29:12Z",
          "ms": -1688851848268.021
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-25T09:24:34+08:00",
          "utc": "1916-06-25T01:24:34Z",
          "ms": -1688942126424.7026
        },
        "end": {
          "local": "1916-06-26T10:29:12+08:00",
          "utc": "1916-06-26T02:29:12Z",
          "ms": -1688851848268.021
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-06-25",
          "window": {
            "start": {
              "local": "1916-06-25T05:12:12+08:00",
              "utc": "1916-06-24T21:12:12Z",
              "ms": -1688957268138.8616
            },
            "end": {
              "local": "1916-06-25T05:12:12+08:00",
              "utc": "1916-06-24T21:12:12Z",
              "ms": -1688957268138.8616
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-06-26",
          "window": {
            "start": {
              "local": "1916-06-26T05:12:28+08:00",
              "utc": "1916-06-25T21:12:28Z",
              "ms": -1688870851732.8518
            },
            "end": {
              "local": "1916-06-26T05:12:28+08:00",
              "utc": "1916-06-25T21:12:28Z",
              "ms": -1688870851732.8518
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:25 on Sun 25 Jun to 10:29 on Mon 26 Jun.",
          "fact": "1916-06-25T01:24:34Z → 1916-06-26T02:29:12Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:12 on the 25th and 05:12 on the 26th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 15142 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Fuzhou, 1916: Monday 26 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yoginī Ekādaśī 1916 falls on Monday 26 June. Ekādaśī runs from 09:25 on Sun 25 Jun to 10:29 on Mon 26 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-06-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-06-27",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17925,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-06-27T12:02:31+08:00",
          "utc": "1916-06-27T04:02:31Z",
          "ms": -1688759848724.8462
        },
        "end": {
          "local": "1916-06-28T13:59:30+08:00",
          "utc": "1916-06-28T05:59:30Z",
          "ms": -1688666429832.069
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-27T12:02:31+08:00",
          "utc": "1916-06-27T04:02:31Z",
          "ms": -1688759848724.8462
        },
        "end": {
          "local": "1916-06-28T13:59:30+08:00",
          "utc": "1916-06-28T05:59:30Z",
          "ms": -1688666429832.069
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-06-27",
          "window": {
            "start": {
              "local": "1916-06-27T18:58:09+08:00",
              "utc": "1916-06-27T10:58:09Z",
              "ms": -1688734910711.0938
            },
            "end": {
              "local": "1916-06-27T20:20:09+08:00",
              "utc": "1916-06-27T12:20:09Z",
              "ms": -1688729991456.429
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "1916-06-28",
          "window": {
            "start": {
              "local": "1916-06-28T18:58:16+08:00",
              "utc": "1916-06-28T10:58:16Z",
              "ms": -1688648504408.906
            },
            "end": {
              "local": "1916-06-28T20:20:17+08:00",
              "utc": "1916-06-28T12:20:17Z",
              "ms": -1688643583465.972
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:03 on Tue 27 Jun to 14:00 on Wed 28 Jun.",
          "fact": "1916-06-27T04:02:31Z → 1916-06-28T05:59:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 27th, 18:58–20:20 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 27th and 0 of 82 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17925 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Tuesday 27 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Tuesday 27 June. Trayodaśī runs from 12:03 on Tue 27 Jun to 14:00 on Wed 28 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-06-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-06-28",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-06-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26830,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-06-28T13:59:30+08:00",
          "utc": "1916-06-28T05:59:30Z",
          "ms": -1688666429832.069
        },
        "end": {
          "local": "1916-06-29T16:14:51+08:00",
          "utc": "1916-06-29T08:14:51Z",
          "ms": -1688571908645.7349
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-06-28T13:59:30+08:00",
          "utc": "1916-06-28T05:59:30Z",
          "ms": -1688666429832.069
        },
        "end": {
          "local": "1916-06-29T16:14:51+08:00",
          "utc": "1916-06-29T08:14:51Z",
          "ms": -1688571908645.7349
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-06-28",
          "window": {
            "start": {
              "local": "1916-06-28T23:41:49+08:00",
              "utc": "1916-06-28T15:41:49Z",
              "ms": -1688631490872.903
            },
            "end": {
              "local": "1916-06-29T00:29:49+08:00",
              "utc": "1916-06-28T16:29:49Z",
              "ms": -1688628610872.903
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-06-29",
          "window": {
            "start": {
              "local": "1916-06-29T23:42:02+08:00",
              "utc": "1916-06-29T15:42:02Z",
              "ms": -1688545078424.1313
            },
            "end": {
              "local": "1916-06-30T00:30:02+08:00",
              "utc": "1916-06-29T16:30:02Z",
              "ms": -1688542198424.1313
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:00 on Wed 28 Jun to 16:15 on Thu 29 Jun.",
          "fact": "1916-06-28T05:59:30Z → 1916-06-29T08:14:51Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 28th, 23:42–00:30 on the 29th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26830 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Wednesday 28 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-06-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-06-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Wednesday 28 June. Caturdaśī runs from 14:00 on Wed 28 Jun to 16:15 on Thu 29 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-06-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31662,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1916-07-01T21:17:57+08:00",
          "utc": "1916-07-01T13:17:57Z",
          "ms": -1688380923014.4924
        },
        "end": {
          "local": "1916-07-02T23:52:47+08:00",
          "utc": "1916-07-02T15:52:47Z",
          "ms": -1688285233215.5076
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-01T21:17:57+08:00",
          "utc": "1916-07-01T13:17:57Z",
          "ms": -1688380923014.4924
        },
        "end": {
          "local": "1916-07-02T23:52:47+08:00",
          "utc": "1916-07-02T15:52:47Z",
          "ms": -1688285233215.5076
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-07-01",
          "window": {
            "start": {
              "local": "1916-07-01T11:42:15+08:00",
              "utc": "1916-07-01T03:42:15Z",
              "ms": -1688415464802.7673
            },
            "end": {
              "local": "1916-07-01T12:30:15+08:00",
              "utc": "1916-07-01T04:30:15Z",
              "ms": -1688412584802.7673
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-07-02",
          "window": {
            "start": {
              "local": "1916-07-02T11:42:27+08:00",
              "utc": "1916-07-02T03:42:27Z",
              "ms": -1688329053409.05
            },
            "end": {
              "local": "1916-07-02T12:30:27+08:00",
              "utc": "1916-07-02T04:30:27Z",
              "ms": -1688326173409.05
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 21:18 on Sat 1 Jul to 23:53 on Sun 2 Jul.",
          "fact": "1916-07-01T13:17:57Z → 1916-07-02T15:52:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 1st, 11:42–12:30 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31662 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Fuzhou, 1916: Sunday 2 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rathayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')"
          }
        ],
        "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rathayātrā 1916 falls on Sunday 2 July. Dvitīyā runs from 21:18 on Sat 1 Jul to 23:53 on Sun 2 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/rathayatra",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-07-04",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25977,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-07-04T02:19:42+08:00",
          "utc": "1916-07-03T18:19:42Z",
          "ms": -1688190018487.144
        },
        "end": {
          "local": "1916-07-05T04:30:02+08:00",
          "utc": "1916-07-04T20:30:02Z",
          "ms": -1688095798189.4841
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-04T02:19:42+08:00",
          "utc": "1916-07-03T18:19:42Z",
          "ms": -1688190018487.144
        },
        "end": {
          "local": "1916-07-05T04:30:02+08:00",
          "utc": "1916-07-04T20:30:02Z",
          "ms": -1688095798189.4841
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-07-04",
          "window": {
            "start": {
              "local": "1916-07-04T11:42:49+08:00",
              "utc": "1916-07-04T03:42:49Z",
              "ms": -1688156231456.285
            },
            "end": {
              "local": "1916-07-04T12:30:49+08:00",
              "utc": "1916-07-04T04:30:49Z",
              "ms": -1688153351456.285
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-07-05",
          "window": {
            "start": {
              "local": "1916-07-05T11:42:59+08:00",
              "utc": "1916-07-05T03:42:59Z",
              "ms": -1688069820944.5737
            },
            "end": {
              "local": "1916-07-05T12:30:59+08:00",
              "utc": "1916-07-05T04:30:59Z",
              "ms": -1688066940944.5737
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:20 on Tue 4 Jul to 04:30 on Wed 5 Jul.",
          "fact": "1916-07-03T18:19:42Z → 1916-07-04T20:30:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 4th, 11:43–12:31 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25977 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Tuesday 4 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Tuesday 4 July. Caturthī runs from 02:20 on Tue 4 Jul to 04:30 on Wed 5 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-07-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19699,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1916-07-05T04:30:02+08:00",
          "utc": "1916-07-04T20:30:02Z",
          "ms": -1688095798189.4841
        },
        "end": {
          "local": "1916-07-06T06:14:51+08:00",
          "utc": "1916-07-05T22:14:51Z",
          "ms": -1688003109429.571
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-05T04:30:02+08:00",
          "utc": "1916-07-04T20:30:02Z",
          "ms": -1688095798189.4841
        },
        "end": {
          "local": "1916-07-06T06:14:51+08:00",
          "utc": "1916-07-05T22:14:51Z",
          "ms": -1688003109429.571
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-07-05",
          "window": {
            "start": {
              "local": "1916-07-05T11:42:59+08:00",
              "utc": "1916-07-05T03:42:59Z",
              "ms": -1688069820944.5737
            },
            "end": {
              "local": "1916-07-05T12:30:59+08:00",
              "utc": "1916-07-05T04:30:59Z",
              "ms": -1688066940944.5737
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-07-06",
          "window": {
            "start": {
              "local": "1916-07-06T11:43:09+08:00",
              "utc": "1916-07-06T03:43:09Z",
              "ms": -1687983410773.018
            },
            "end": {
              "local": "1916-07-06T12:31:09+08:00",
              "utc": "1916-07-06T04:31:09Z",
              "ms": -1687980530773.018
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 04:30 on Wed 5 Jul to 06:15 on Thu 6 Jul.",
          "fact": "1916-07-04T20:30:02Z → 1916-07-05T22:14:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 5th, 11:43–12:31 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19699 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Fuzhou, 1916: Wednesday 5 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Skanda pancami (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Pañcamī 1916 falls on Wednesday 5 July. Pañcamī runs from 04:30 on Wed 5 Jul to 06:15 on Thu 6 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/skanda-panchami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13644,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1916-07-07T07:25:46+08:00",
          "utc": "1916-07-06T23:25:46Z",
          "ms": -1687912453781.2307
        },
        "end": {
          "local": "1916-07-08T07:56:04+08:00",
          "utc": "1916-07-07T23:56:04Z",
          "ms": -1687824235747.3682
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-07T07:25:46+08:00",
          "utc": "1916-07-06T23:25:46Z",
          "ms": -1687912453781.2307
        },
        "end": {
          "local": "1916-07-08T07:56:04+08:00",
          "utc": "1916-07-07T23:56:04Z",
          "ms": -1687824235747.3682
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-07-07",
          "window": {
            "start": {
              "local": "1916-07-07T11:43:19+08:00",
              "utc": "1916-07-07T03:43:19Z",
              "ms": -1687897000962.9824
            },
            "end": {
              "local": "1916-07-07T12:31:19+08:00",
              "utc": "1916-07-07T04:31:19Z",
              "ms": -1687894120962.9824
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-07-08",
          "window": {
            "start": {
              "local": "1916-07-08T11:43:28+08:00",
              "utc": "1916-07-08T03:43:28Z",
              "ms": -1687810591534.817
            },
            "end": {
              "local": "1916-07-08T12:31:28+08:00",
              "utc": "1916-07-08T04:31:28Z",
              "ms": -1687807711534.817
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 07:26 on Fri 7 Jul to 07:56 on Sat 8 Jul.",
          "fact": "1916-07-06T23:25:46Z → 1916-07-07T23:56:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 7th, 11:43–12:31 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 13644 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Fuzhou, 1916: Friday 7 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vivasvat-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Vivasvat saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vivasvat Saptamī 1916 falls on Friday 7 July. Saptamī runs from 07:26 on Fri 7 Jul to 07:56 on Sat 8 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vivasvat-saptami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-07-11",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1344,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-07-11T04:55:39+08:00",
          "utc": "1916-07-10T20:55:39Z",
          "ms": -1687575861142.0981
        },
        "end": {
          "local": "1916-07-12T02:30:31+08:00",
          "utc": "1916-07-11T18:30:31Z",
          "ms": -1687498168559.7646
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-11T04:55:39+08:00",
          "utc": "1916-07-10T20:55:39Z",
          "ms": -1687575861142.0981
        },
        "end": {
          "local": "1916-07-12T02:30:31+08:00",
          "utc": "1916-07-11T18:30:31Z",
          "ms": -1687498168559.7646
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-07-11",
          "window": {
            "start": {
              "local": "1916-07-11T05:18:03+08:00",
              "utc": "1916-07-10T21:18:03Z",
              "ms": -1687574517432.6096
            },
            "end": {
              "local": "1916-07-11T05:18:03+08:00",
              "utc": "1916-07-10T21:18:03Z",
              "ms": -1687574517432.6096
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-07-12",
          "window": {
            "start": {
              "local": "1916-07-12T05:18:29+08:00",
              "utc": "1916-07-11T21:18:29Z",
              "ms": -1687488090709.413
            },
            "end": {
              "local": "1916-07-12T05:18:29+08:00",
              "utc": "1916-07-11T21:18:29Z",
              "ms": -1687488090709.413
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:56 on Tue 11 Jul to 02:31 on Wed 12 Jul.",
          "fact": "1916-07-10T20:55:39Z → 1916-07-11T18:30:31Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:18 on the 11th and 05:18 on the 12th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1344 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Fuzhou, 1916: Tuesday 11 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hariśayanī Ekādaśī 1916 falls on Tuesday 11 July. Ekādaśī runs from 04:56 on Tue 11 Jul to 02:31 on Wed 12 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-07-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-07-13",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 748,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-07-12T23:31:55+08:00",
          "utc": "1916-07-12T15:31:55Z",
          "ms": -1687422485127.4202
        },
        "end": {
          "local": "1916-07-13T20:07:50+08:00",
          "utc": "1916-07-13T12:07:50Z",
          "ms": -1687348329610.3684
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-12T23:31:55+08:00",
          "utc": "1916-07-12T15:31:55Z",
          "ms": -1687422485127.4202
        },
        "end": {
          "local": "1916-07-13T20:07:50+08:00",
          "utc": "1916-07-13T12:07:50Z",
          "ms": -1687348329610.3684
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-07-12",
          "window": {
            "start": {
              "local": "1916-07-12T18:57:35+08:00",
              "utc": "1916-07-12T10:57:35Z",
              "ms": -1687438945292.1084
            },
            "end": {
              "local": "1916-07-12T20:20:26+08:00",
              "utc": "1916-07-12T12:20:26Z",
              "ms": -1687433974399.9111
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "1916-07-13",
          "window": {
            "start": {
              "local": "1916-07-13T18:57:22+08:00",
              "utc": "1916-07-13T10:57:22Z",
              "ms": -1687352557875.4219
            },
            "end": {
              "local": "1916-07-13T20:20:18+08:00",
              "utc": "1916-07-13T12:20:18Z",
              "ms": -1687347581642.847
            }
          },
          "covered_min": 70,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:32 on Wed 12 Jul to 20:08 on Thu 13 Jul.",
          "fact": "1916-07-12T15:31:55Z → 1916-07-13T12:07:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 12th, 18:57–20:20 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 12th and 70 of 83 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 748 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Thursday 13 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Thursday 13 July. Trayodaśī runs from 23:32 on Wed 12 Jul to 20:08 on Thu 13 Jul and covers 70 of 83 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-07-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 822,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-07-14T16:27:18+08:00",
          "utc": "1916-07-14T08:27:18Z",
          "ms": -1687275162497.2996
        },
        "end": {
          "local": "1916-07-15T12:39:48+08:00",
          "utc": "1916-07-15T04:39:48Z",
          "ms": -1687202412049.64
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-14T16:27:18+08:00",
          "utc": "1916-07-14T08:27:18Z",
          "ms": -1687275162497.2996
        },
        "end": {
          "local": "1916-07-15T12:39:48+08:00",
          "utc": "1916-07-15T04:39:48Z",
          "ms": -1687202412049.64
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1916-07-14",
          "window": {
            "start": {
              "local": "1916-07-14T16:13:35+08:00",
              "utc": "1916-07-14T08:13:35Z",
              "ms": -1687275984638.3062
            },
            "end": {
              "local": "1916-07-14T18:57:08+08:00",
              "utc": "1916-07-14T10:57:08Z",
              "ms": -1687266171765.1055
            }
          },
          "covered_min": 150,
          "window_min": 164,
          "qualifies": true
        },
        {
          "local_date": "1916-07-15",
          "window": {
            "start": {
              "local": "1916-07-15T16:13:29+08:00",
              "utc": "1916-07-15T08:13:29Z",
              "ms": -1687189591230.3442
            },
            "end": {
              "local": "1916-07-15T18:56:53+08:00",
              "utc": "1916-07-15T10:56:53Z",
              "ms": -1687179786956.9365
            }
          },
          "covered_min": 0,
          "window_min": 163,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 16:27 on Fri 14 Jul to 12:40 on Sat 15 Jul.",
          "fact": "1916-07-14T08:27:18Z → 1916-07-15T04:39:48Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:57 on the 14th, 16:13–18:57 on the 15th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 150 of 164 minutes on the 14th and 0 of 163 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 822 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Fuzhou, 1916: Friday 14 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kokila-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kokilā Vrata 1916 falls on Friday 14 July. Pūrṇimā runs from 16:27 on Fri 14 Jul to 12:40 on Sat 15 Jul and covers 150 of 164 minutes of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/kokila-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8991,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-07-14T16:27:18+08:00",
          "utc": "1916-07-14T08:27:18Z",
          "ms": -1687275162497.2996
        },
        "end": {
          "local": "1916-07-15T12:39:48+08:00",
          "utc": "1916-07-15T04:39:48Z",
          "ms": -1687202412049.64
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-14T16:27:18+08:00",
          "utc": "1916-07-14T08:27:18Z",
          "ms": -1687275162497.2996
        },
        "end": {
          "local": "1916-07-15T12:39:48+08:00",
          "utc": "1916-07-15T04:39:48Z",
          "ms": -1687202412049.64
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-07-14",
          "window": {
            "start": {
              "local": "1916-07-14T18:57:08+08:00",
              "utc": "1916-07-14T10:57:08Z",
              "ms": -1687266171765.1055
            },
            "end": {
              "local": "1916-07-14T20:20:10+08:00",
              "utc": "1916-07-14T12:20:10Z",
              "ms": -1687261189972.9548
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "1916-07-15",
          "window": {
            "start": {
              "local": "1916-07-15T18:56:53+08:00",
              "utc": "1916-07-15T10:56:53Z",
              "ms": -1687179786956.9365
            },
            "end": {
              "local": "1916-07-15T20:20:01+08:00",
              "utc": "1916-07-15T12:20:01Z",
              "ms": -1687174799389.4517
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 16:27 on Fri 14 Jul to 12:40 on Sat 15 Jul.",
          "fact": "1916-07-14T08:27:18Z → 1916-07-15T04:39:48Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:20 on the 14th, 18:57–20:20 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 83 of 83 minutes on the 14th and 0 of 83 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8991 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Fuzhou, 1916: Friday 14 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shiva-shayanotsava",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śiva Śayanotsava 1916 falls on Friday 14 July. Pūrṇimā runs from 16:27 on Fri 14 Jul to 12:40 on Sat 15 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shiva-shayanotsava",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16592,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-07-14T16:27:18+08:00",
          "utc": "1916-07-14T08:27:18Z",
          "ms": -1687275162497.2996
        },
        "end": {
          "local": "1916-07-15T12:39:48+08:00",
          "utc": "1916-07-15T04:39:48Z",
          "ms": -1687202412049.64
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-14T16:27:18+08:00",
          "utc": "1916-07-14T08:27:18Z",
          "ms": -1687275162497.2996
        },
        "end": {
          "local": "1916-07-15T12:39:48+08:00",
          "utc": "1916-07-15T04:39:48Z",
          "ms": -1687202412049.64
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "1916-07-14",
          "window": {
            "start": {
              "local": "1916-07-14T05:19:24+08:00",
              "utc": "1916-07-13T21:19:24Z",
              "ms": -1687315236131.1091
            },
            "end": {
              "local": "1916-07-14T08:02:57+08:00",
              "utc": "1916-07-14T00:02:57Z",
              "ms": -1687305423257.9084
            }
          },
          "covered_min": 0,
          "window_min": 164,
          "qualifies": false
        },
        {
          "local_date": "1916-07-15",
          "window": {
            "start": {
              "local": "1916-07-15T05:19:52+08:00",
              "utc": "1916-07-14T21:19:52Z",
              "ms": -1687228808323.9749
            },
            "end": {
              "local": "1916-07-15T08:03:16+08:00",
              "utc": "1916-07-15T00:03:16Z",
              "ms": -1687219004050.5671
            }
          },
          "covered_min": 163,
          "window_min": 163,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 16:27 on Fri 14 Jul to 12:40 on Sat 15 Jul.",
          "fact": "1916-07-14T08:27:18Z → 1916-07-15T04:39:48Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:19–08:03 on the 14th, 05:20–08:03 on the 15th.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 164 minutes on the 14th and 163 of 163 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16592 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Fuzhou, 1916: Saturday 15 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vyasa-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "udaya-3",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vyāsa Pūjā 1916 falls on Saturday 15 July. Pūrṇimā runs from 16:27 on Fri 14 Jul to 12:40 on Sat 15 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vyasa-puja",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 446,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-07-14T16:27:18+08:00",
          "utc": "1916-07-14T08:27:18Z",
          "ms": -1687275162497.2996
        },
        "end": {
          "local": "1916-07-15T12:39:48+08:00",
          "utc": "1916-07-15T04:39:48Z",
          "ms": -1687202412049.64
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-14T16:27:18+08:00",
          "utc": "1916-07-14T08:27:18Z",
          "ms": -1687275162497.2996
        },
        "end": {
          "local": "1916-07-15T12:39:48+08:00",
          "utc": "1916-07-15T04:39:48Z",
          "ms": -1687202412049.64
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-07-14",
          "window": {
            "start": {
              "local": "1916-07-14T11:44:16+08:00",
              "utc": "1916-07-14T03:44:16Z",
              "ms": -1687292143948.1074
            },
            "end": {
              "local": "1916-07-14T12:32:16+08:00",
              "utc": "1916-07-14T04:32:16Z",
              "ms": -1687289263948.1074
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-07-15",
          "window": {
            "start": {
              "local": "1916-07-15T11:44:22+08:00",
              "utc": "1916-07-15T03:44:22Z",
              "ms": -1687205737640.4556
            },
            "end": {
              "local": "1916-07-15T12:32:22+08:00",
              "utc": "1916-07-15T04:32:22Z",
              "ms": -1687202857640.4556
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 16:27 on Fri 14 Jul to 12:40 on Sat 15 Jul.",
          "fact": "1916-07-14T08:27:18Z → 1916-07-15T04:39:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 14th, 11:44–12:32 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 446 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Fuzhou, 1916: Saturday 15 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "guru-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Guru Pūrṇimā 1916 falls on Saturday 15 July. Pūrṇimā runs from 16:27 on Fri 14 Jul to 12:40 on Sat 15 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/guru-purnima",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33871,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1916-07-16T08:55:05+08:00",
          "utc": "1916-07-16T00:55:05Z",
          "ms": -1687129494917.1333
        },
        "end": {
          "local": "1916-07-17T05:22:46+08:00",
          "utc": "1916-07-16T21:22:46Z",
          "ms": -1687055833871.2432
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-16T08:55:05+08:00",
          "utc": "1916-07-16T00:55:05Z",
          "ms": -1687129494917.1333
        },
        "end": {
          "local": "1916-07-17T05:22:46+08:00",
          "utc": "1916-07-16T21:22:46Z",
          "ms": -1687055833871.2432
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-07-15",
          "window": {
            "start": {
              "local": "1916-07-15T19:11:00+08:00",
              "utc": "1916-07-15T11:11:00Z",
              "ms": -1687178939905.537
            },
            "end": {
              "local": "1916-07-15T19:11:00+08:00",
              "utc": "1916-07-15T11:11:00Z",
              "ms": -1687178939905.537
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-07-16",
          "window": {
            "start": {
              "local": "1916-07-16T19:58:15+08:00",
              "utc": "1916-07-16T11:58:15Z",
              "ms": -1687089704753.535
            },
            "end": {
              "local": "1916-07-16T19:58:15+08:00",
              "utc": "1916-07-16T11:58:15Z",
              "ms": -1687089704753.535
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 08:55 on Sun 16 Jul to 05:23 on Mon 17 Jul.",
          "fact": "1916-07-16T00:55:05Z → 1916-07-16T21:22:46Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:11 on the 15th and 19:58 on the 16th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 15th and is on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33871 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 1916: Sunday 16 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata-ashadha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 1916 falls on Sunday 16 July. Dvitīyā runs from 08:55 on Sun 16 Jul to 05:23 on Mon 17 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ashunya-shayana-vrata-ashadha",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-07-18",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8065,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-07-18T02:12:04+08:00",
          "utc": "1916-07-17T18:12:04Z",
          "ms": -1686980875956.8872
        },
        "end": {
          "local": "1916-07-18T23:31:26+08:00",
          "utc": "1916-07-18T15:31:26Z",
          "ms": -1686904114225.204
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-18T02:12:04+08:00",
          "utc": "1916-07-17T18:12:04Z",
          "ms": -1686980875956.8872
        },
        "end": {
          "local": "1916-07-18T23:31:26+08:00",
          "utc": "1916-07-18T15:31:26Z",
          "ms": -1686904114225.204
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-07-17",
          "window": {
            "start": {
              "local": "1916-07-17T20:39:39+08:00",
              "utc": "1916-07-17T12:39:39Z",
              "ms": -1687000820813.4722
            },
            "end": {
              "local": "1916-07-17T20:39:39+08:00",
              "utc": "1916-07-17T12:39:39Z",
              "ms": -1687000820813.4722
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-07-18",
          "window": {
            "start": {
              "local": "1916-07-18T21:17:01+08:00",
              "utc": "1916-07-18T13:17:01Z",
              "ms": -1686912179315.0237
            },
            "end": {
              "local": "1916-07-18T21:17:01+08:00",
              "utc": "1916-07-18T13:17:01Z",
              "ms": -1686912179315.0237
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:12 on Tue 18 Jul to 23:31 on Tue 18 Jul.",
          "fact": "1916-07-17T18:12:04Z → 1916-07-18T15:31:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:40 on the 17th and 21:17 on the 18th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 17th and is on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8065 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Tuesday 18 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Tuesday 18 July. Caturthī runs from 02:12 on Tue 18 Jul to 23:31 on Tue 18 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-07-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-07-25",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18750,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-07-24T22:10:50+08:00",
          "utc": "1916-07-24T14:10:50Z",
          "ms": -1686390549512.0305
        },
        "end": {
          "local": "1916-07-26T00:12:44+08:00",
          "utc": "1916-07-25T16:12:44Z",
          "ms": -1686296836219.122
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-24T22:10:50+08:00",
          "utc": "1916-07-24T14:10:50Z",
          "ms": -1686390549512.0305
        },
        "end": {
          "local": "1916-07-26T00:12:44+08:00",
          "utc": "1916-07-25T16:12:44Z",
          "ms": -1686296836219.122
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-07-25",
          "window": {
            "start": {
              "local": "1916-07-25T05:24:44+08:00",
              "utc": "1916-07-24T21:24:44Z",
              "ms": -1686364516360.751
            },
            "end": {
              "local": "1916-07-25T05:24:44+08:00",
              "utc": "1916-07-24T21:24:44Z",
              "ms": -1686364516360.751
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-07-26",
          "window": {
            "start": {
              "local": "1916-07-26T05:25:14+08:00",
              "utc": "1916-07-25T21:25:14Z",
              "ms": -1686278086273.6323
            },
            "end": {
              "local": "1916-07-26T05:25:14+08:00",
              "utc": "1916-07-25T21:25:14Z",
              "ms": -1686278086273.6323
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:11 on Mon 24 Jul to 00:13 on Wed 26 Jul.",
          "fact": "1916-07-24T14:10:50Z → 1916-07-25T16:12:44Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:25 on the 25th and 05:25 on the 26th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 25th and is not on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18750 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Fuzhou, 1916: Tuesday 25 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmikā Ekādaśī 1916 falls on Tuesday 25 July. Ekādaśī runs from 22:11 on Mon 24 Jul to 00:13 on Wed 26 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-07-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-07-27",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22682,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-07-27T02:35:08+08:00",
          "utc": "1916-07-26T18:35:08Z",
          "ms": -1686201891916.4858
        },
        "end": {
          "local": "1916-07-28T05:08:40+08:00",
          "utc": "1916-07-27T21:08:40Z",
          "ms": -1686106280188.1724
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-27T02:35:08+08:00",
          "utc": "1916-07-26T18:35:08Z",
          "ms": -1686201891916.4858
        },
        "end": {
          "local": "1916-07-28T05:08:40+08:00",
          "utc": "1916-07-27T21:08:40Z",
          "ms": -1686106280188.1724
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-07-26",
          "window": {
            "start": {
              "local": "1916-07-26T18:52:42+08:00",
              "utc": "1916-07-26T10:52:42Z",
              "ms": -1686229638257.8093
            },
            "end": {
              "local": "1916-07-26T20:17:06+08:00",
              "utc": "1916-07-26T12:17:06Z",
              "ms": -1686224573972.8035
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "1916-07-27",
          "window": {
            "start": {
              "local": "1916-07-27T18:52:11+08:00",
              "utc": "1916-07-27T10:52:11Z",
              "ms": -1686143268571.0962
            },
            "end": {
              "local": "1916-07-27T20:16:44+08:00",
              "utc": "1916-07-27T12:16:44Z",
              "ms": -1686138196218.1663
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:35 on Thu 27 Jul to 05:09 on Fri 28 Jul.",
          "fact": "1916-07-26T18:35:08Z → 1916-07-27T21:08:40Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:17 on the 26th, 18:52–20:17 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 26th and 85 of 85 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 22682 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Thursday 27 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Thursday 27 July. Trayodaśī runs from 02:35 on Thu 27 Jul to 05:09 on Fri 28 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-07-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-07-28",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-07-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16527,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-07-28T05:08:40+08:00",
          "utc": "1916-07-27T21:08:40Z",
          "ms": -1686106280188.1724
        },
        "end": {
          "local": "1916-07-29T07:44:31+08:00",
          "utc": "1916-07-28T23:44:31Z",
          "ms": -1686010528891.1348
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-07-28T05:08:40+08:00",
          "utc": "1916-07-27T21:08:40Z",
          "ms": -1686106280188.1724
        },
        "end": {
          "local": "1916-07-29T07:44:31+08:00",
          "utc": "1916-07-28T23:44:31Z",
          "ms": -1686010528891.1348
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-07-27",
          "window": {
            "start": {
              "local": "1916-07-27T23:45:13+08:00",
              "utc": "1916-07-27T15:45:13Z",
              "ms": -1686125687247.609
            },
            "end": {
              "local": "1916-07-28T00:33:13+08:00",
              "utc": "1916-07-27T16:33:13Z",
              "ms": -1686122807247.609
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-07-28",
          "window": {
            "start": {
              "local": "1916-07-28T23:45:12+08:00",
              "utc": "1916-07-28T15:45:12Z",
              "ms": -1686039287900.4246
            },
            "end": {
              "local": "1916-07-29T00:33:12+08:00",
              "utc": "1916-07-28T16:33:12Z",
              "ms": -1686036407900.4246
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:09 on Fri 28 Jul to 07:45 on Sat 29 Jul.",
          "fact": "1916-07-27T21:08:40Z → 1916-07-28T23:44:31Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 27th, 23:45–00:33 on the 28th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16527 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Friday 28 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-07-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-07-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Friday 28 July. Caturdaśī runs from 05:09 on Fri 28 Jul to 07:45 on Sat 29 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-07-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7264,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1916-08-01T14:33:53+08:00",
          "utc": "1916-08-01T06:33:53Z",
          "ms": -1685726767461.5352
        },
        "end": {
          "local": "1916-08-02T16:11:40+08:00",
          "utc": "1916-08-02T08:11:40Z",
          "ms": -1685634500164.2498
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-01T14:33:53+08:00",
          "utc": "1916-08-01T06:33:53Z",
          "ms": -1685726767461.5352
        },
        "end": {
          "local": "1916-08-02T16:11:40+08:00",
          "utc": "1916-08-02T08:11:40Z",
          "ms": -1685634500164.2498
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-01",
          "window": {
            "start": {
              "local": "1916-08-01T11:44:48+08:00",
              "utc": "1916-08-01T03:44:48Z",
              "ms": -1685736911605.7588
            },
            "end": {
              "local": "1916-08-01T12:32:48+08:00",
              "utc": "1916-08-01T04:32:48Z",
              "ms": -1685734031605.7588
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-08-02",
          "window": {
            "start": {
              "local": "1916-08-02T11:44:45+08:00",
              "utc": "1916-08-02T03:44:45Z",
              "ms": -1685650515264.918
            },
            "end": {
              "local": "1916-08-02T12:32:45+08:00",
              "utc": "1916-08-02T04:32:45Z",
              "ms": -1685647635264.918
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 14:34 on Tue 1 Aug to 16:12 on Wed 2 Aug.",
          "fact": "1916-08-01T06:33:53Z → 1916-08-02T08:11:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 1st, 11:45–12:33 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7264 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Fuzhou, 1916: Wednesday 2 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "madhusrava-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Madhusrava (Gujerat) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 1916 falls on Wednesday 2 August. Tṛtīyā runs from 14:34 on Tue 1 Aug to 16:12 on Wed 2 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/madhusrava-tritiya",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-08-03",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13135,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-08-02T16:11:40+08:00",
          "utc": "1916-08-02T08:11:40Z",
          "ms": -1685634500164.2498
        },
        "end": {
          "local": "1916-08-03T17:22:11+08:00",
          "utc": "1916-08-03T09:22:11Z",
          "ms": -1685543869110.606
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-02T16:11:40+08:00",
          "utc": "1916-08-02T08:11:40Z",
          "ms": -1685634500164.2498
        },
        "end": {
          "local": "1916-08-03T17:22:11+08:00",
          "utc": "1916-08-03T09:22:11Z",
          "ms": -1685543869110.606
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-02",
          "window": {
            "start": {
              "local": "1916-08-02T11:44:45+08:00",
              "utc": "1916-08-02T03:44:45Z",
              "ms": -1685650515264.918
            },
            "end": {
              "local": "1916-08-02T12:32:45+08:00",
              "utc": "1916-08-02T04:32:45Z",
              "ms": -1685647635264.918
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-08-03",
          "window": {
            "start": {
              "local": "1916-08-03T11:44:40+08:00",
              "utc": "1916-08-03T03:44:40Z",
              "ms": -1685564119534.3296
            },
            "end": {
              "local": "1916-08-03T12:32:40+08:00",
              "utc": "1916-08-03T04:32:40Z",
              "ms": -1685561239534.3296
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:12 on Wed 2 Aug to 17:22 on Thu 3 Aug.",
          "fact": "1916-08-02T08:11:40Z → 1916-08-03T09:22:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 2nd, 11:45–12:33 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13135 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Thursday 3 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Thursday 3 August. Caturthī runs from 16:12 on Wed 2 Aug to 17:22 on Thu 3 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-08-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17370,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1916-08-03T17:22:11+08:00",
          "utc": "1916-08-03T09:22:11Z",
          "ms": -1685543869110.606
        },
        "end": {
          "local": "1916-08-04T18:01:30+08:00",
          "utc": "1916-08-04T10:01:30Z",
          "ms": -1685455109888.9724
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-03T17:22:11+08:00",
          "utc": "1916-08-03T09:22:11Z",
          "ms": -1685543869110.606
        },
        "end": {
          "local": "1916-08-04T18:01:30+08:00",
          "utc": "1916-08-04T10:01:30Z",
          "ms": -1685455109888.9724
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-03",
          "window": {
            "start": {
              "local": "1916-08-03T11:44:40+08:00",
              "utc": "1916-08-03T03:44:40Z",
              "ms": -1685564119534.3296
            },
            "end": {
              "local": "1916-08-03T12:32:40+08:00",
              "utc": "1916-08-03T04:32:40Z",
              "ms": -1685561239534.3296
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-08-04",
          "window": {
            "start": {
              "local": "1916-08-04T11:44:36+08:00",
              "utc": "1916-08-04T03:44:36Z",
              "ms": -1685477724415.421
            },
            "end": {
              "local": "1916-08-04T12:32:36+08:00",
              "utc": "1916-08-04T04:32:36Z",
              "ms": -1685474844415.421
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 17:22 on Thu 3 Aug to 18:02 on Fri 4 Aug.",
          "fact": "1916-08-03T09:22:11Z → 1916-08-04T10:01:30Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 3rd, 11:45–12:33 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 17370 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Fuzhou, 1916: Friday 4 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī 1916 falls on Friday 4 August. Pañcamī runs from 17:22 on Thu 3 Aug to 18:02 on Fri 4 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/naga-panchami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-08-10",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14693,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-08-09T12:24:08+08:00",
          "utc": "1916-08-09T04:24:08Z",
          "ms": -1685043352336.2244
        },
        "end": {
          "local": "1916-08-10T09:37:34+08:00",
          "utc": "1916-08-10T01:37:34Z",
          "ms": -1684966945821.0903
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-09T12:24:08+08:00",
          "utc": "1916-08-09T04:24:08Z",
          "ms": -1685043352336.2244
        },
        "end": {
          "local": "1916-08-10T09:37:34+08:00",
          "utc": "1916-08-10T01:37:34Z",
          "ms": -1684966945821.0903
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-08-09",
          "window": {
            "start": {
              "local": "1916-08-09T05:32:12+08:00",
              "utc": "1916-08-08T21:32:12Z",
              "ms": -1685068067694.521
            },
            "end": {
              "local": "1916-08-09T05:32:12+08:00",
              "utc": "1916-08-08T21:32:12Z",
              "ms": -1685068067694.521
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-08-10",
          "window": {
            "start": {
              "local": "1916-08-10T05:32:41+08:00",
              "utc": "1916-08-09T21:32:41Z",
              "ms": -1684981638680.0593
            },
            "end": {
              "local": "1916-08-10T05:32:41+08:00",
              "utc": "1916-08-09T21:32:41Z",
              "ms": -1684981638680.0593
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:24 on Wed 9 Aug to 09:38 on Thu 10 Aug.",
          "fact": "1916-08-09T04:24:08Z → 1916-08-10T01:37:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:32 on the 9th and 05:33 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14693 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 1916: Thursday 10 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 1916 falls on Thursday 10 August. Ekādaśī runs from 12:24 on Wed 9 Aug to 09:38 on Thu 10 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-08-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7579,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1916-08-10T09:37:34+08:00",
          "utc": "1916-08-10T01:37:34Z",
          "ms": -1684966945821.0903
        },
        "end": {
          "local": "1916-08-11T06:28:12+08:00",
          "utc": "1916-08-10T22:28:12Z",
          "ms": -1684891907559.2986
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-10T09:37:34+08:00",
          "utc": "1916-08-10T01:37:34Z",
          "ms": -1684966945821.0903
        },
        "end": {
          "local": "1916-08-11T06:28:12+08:00",
          "utc": "1916-08-10T22:28:12Z",
          "ms": -1684891907559.2986
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-10",
          "window": {
            "start": {
              "local": "1916-08-10T11:43:54+08:00",
              "utc": "1916-08-10T03:43:54Z",
              "ms": -1684959366473.2554
            },
            "end": {
              "local": "1916-08-10T12:31:54+08:00",
              "utc": "1916-08-10T04:31:54Z",
              "ms": -1684956486473.2554
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-08-11",
          "window": {
            "start": {
              "local": "1916-08-11T11:43:44+08:00",
              "utc": "1916-08-11T03:43:44Z",
              "ms": -1684872975569.1885
            },
            "end": {
              "local": "1916-08-11T12:31:44+08:00",
              "utc": "1916-08-11T04:31:44Z",
              "ms": -1684870095569.1885
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 09:38 on Thu 10 Aug to 06:28 on Fri 11 Aug.",
          "fact": "1916-08-10T01:37:34Z → 1916-08-10T22:28:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 10th, 11:44–12:32 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 7579 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Fuzhou, 1916: Thursday 10 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "damodara-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dāmodara Dvādaśī 1916 falls on Thursday 10 August. Dvādaśī runs from 09:38 on Thu 10 Aug to 06:28 on Fri 11 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/damodara-dvadashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-08-11",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24846,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-08-11T06:28:12+08:00",
          "utc": "1916-08-10T22:28:12Z",
          "ms": -1684891907559.2986
        },
        "end": {
          "local": "1916-08-12T03:03:15+08:00",
          "utc": "1916-08-11T19:03:15Z",
          "ms": -1684817805098.136
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-11T06:28:12+08:00",
          "utc": "1916-08-10T22:28:12Z",
          "ms": -1684891907559.2986
        },
        "end": {
          "local": "1916-08-12T03:03:15+08:00",
          "utc": "1916-08-11T19:03:15Z",
          "ms": -1684817805098.136
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-08-10",
          "window": {
            "start": {
              "local": "1916-08-10T18:43:06+08:00",
              "utc": "1916-08-10T10:43:06Z",
              "ms": -1684934214266.4514
            },
            "end": {
              "local": "1916-08-10T20:09:46+08:00",
              "utc": "1916-08-10T12:09:46Z",
              "ms": -1684929013676.8474
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        },
        {
          "local_date": "1916-08-11",
          "window": {
            "start": {
              "local": "1916-08-11T18:42:19+08:00",
              "utc": "1916-08-11T10:42:19Z",
              "ms": -1684847861293.9558
            },
            "end": {
              "local": "1916-08-11T20:09:09+08:00",
              "utc": "1916-08-11T12:09:09Z",
              "ms": -1684842650613.5483
            }
          },
          "covered_min": 87,
          "window_min": 87,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:28 on Fri 11 Aug to 03:03 on Sat 12 Aug.",
          "fact": "1916-08-10T22:28:12Z → 1916-08-11T19:03:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:10 on the 10th, 18:42–20:09 on the 11th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 10th and 87 of 87 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24846 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Friday 11 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Friday 11 August. Trayodaśī runs from 06:28 on Fri 11 Aug to 03:03 on Sat 12 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-08-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15034,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-08-12T23:30:53+08:00",
          "utc": "1916-08-12T15:30:53Z",
          "ms": -1684744147116.3774
        },
        "end": {
          "local": "1916-08-13T20:00:01+08:00",
          "utc": "1916-08-13T12:00:01Z",
          "ms": -1684670399194.727
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "1916-08-13T09:44:41+08:00",
          "utc": "1916-08-13T01:44:41Z",
          "ms": -1684707319045.4595
        },
        "end": {
          "local": "1916-08-13T20:00:01+08:00",
          "utc": "1916-08-13T12:00:01Z",
          "ms": -1684670399194.727
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "1916-08-12",
          "window": {
            "start": {
              "local": "1916-08-12T05:33:39+08:00",
              "utc": "1916-08-11T21:33:39Z",
              "ms": -1684808781190.9006
            },
            "end": {
              "local": "1916-08-13T05:34:07+08:00",
              "utc": "1916-08-12T21:34:07Z",
              "ms": -1684722352720.505
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "1916-08-13",
          "window": {
            "start": {
              "local": "1916-08-13T05:34:07+08:00",
              "utc": "1916-08-12T21:34:07Z",
              "ms": -1684722352720.505
            },
            "end": {
              "local": "1916-08-14T05:34:36+08:00",
              "utc": "1916-08-13T21:34:36Z",
              "ms": -1684635924432.2974
            }
          },
          "covered_min": 615,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:31 on Sat 12 Aug to 20:00 on Sun 13 Aug. Its second half begins at 09:45 on Sun 13 Aug.",
          "fact": "1916-08-12T15:30:53Z → 1916-08-13T12:00:01Z · second half from 1916-08-13T01:44:41Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:34 on the 12th, and from 05:34 on the 13th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The second half of Pūrṇimā must be present during the day. It covers 0 of 1440 minutes on the 12th and 615 of 1440 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one day qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15034 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Fuzhou, 1916: Sunday 13 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "raksha-bandhana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "day",
        "priority": "unstated",
        "when_absent": "unstated",
        "half": "second"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 1916 falls on Sunday 13 August. The second half of Pūrṇimā runs from 09:45 on Sun 13 Aug to 20:00 on Sun 13 Aug and lies within that day, sunrise to sunrise.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/raksha-bandhana",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26916,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-08-12T23:30:53+08:00",
          "utc": "1916-08-12T15:30:53Z",
          "ms": -1684744147116.3774
        },
        "end": {
          "local": "1916-08-13T20:00:01+08:00",
          "utc": "1916-08-13T12:00:01Z",
          "ms": -1684670399194.727
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-12T23:30:53+08:00",
          "utc": "1916-08-12T15:30:53Z",
          "ms": -1684744147116.3774
        },
        "end": {
          "local": "1916-08-13T20:00:01+08:00",
          "utc": "1916-08-13T12:00:01Z",
          "ms": -1684670399194.727
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-12",
          "window": {
            "start": {
              "local": "1916-08-12T11:43:35+08:00",
              "utc": "1916-08-12T03:43:35Z",
              "ms": -1684786585239.6233
            },
            "end": {
              "local": "1916-08-12T12:31:35+08:00",
              "utc": "1916-08-12T04:31:35Z",
              "ms": -1684783705239.6233
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-08-13",
          "window": {
            "start": {
              "local": "1916-08-13T11:43:25+08:00",
              "utc": "1916-08-13T03:43:25Z",
              "ms": -1684700195472.9377
            },
            "end": {
              "local": "1916-08-13T12:31:25+08:00",
              "utc": "1916-08-13T04:31:25Z",
              "ms": -1684697315472.9377
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:31 on Sat 12 Aug to 20:00 on Sun 13 Aug.",
          "fact": "1916-08-12T15:30:53Z → 1916-08-13T12:00:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 12th, 11:43–12:31 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26916 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Fuzhou, 1916: Sunday 13 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Tarpaṇa 1916 falls on Sunday 13 August. Pūrṇimā runs from 23:31 on Sat 12 Aug to 20:00 on Sun 13 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/rishi-tarpana",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9016,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1916-08-14T16:40:00+08:00",
          "utc": "1916-08-14T08:40:00Z",
          "ms": -1684596000275.2554
        },
        "end": {
          "local": "1916-08-15T13:40:18+08:00",
          "utc": "1916-08-15T05:40:18Z",
          "ms": -1684520382017.052
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-14T16:40:00+08:00",
          "utc": "1916-08-14T08:40:00Z",
          "ms": -1684596000275.2554
        },
        "end": {
          "local": "1916-08-15T13:40:18+08:00",
          "utc": "1916-08-15T05:40:18Z",
          "ms": -1684520382017.052
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-08-14",
          "window": {
            "start": {
              "local": "1916-08-14T19:10:15+08:00",
              "utc": "1916-08-14T11:10:15Z",
              "ms": -1684586984646.588
            },
            "end": {
              "local": "1916-08-14T19:10:15+08:00",
              "utc": "1916-08-14T11:10:15Z",
              "ms": -1684586984646.588
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-08-15",
          "window": {
            "start": {
              "local": "1916-08-15T19:47:11+08:00",
              "utc": "1916-08-15T11:47:11Z",
              "ms": -1684498369107.1455
            },
            "end": {
              "local": "1916-08-15T19:47:11+08:00",
              "utc": "1916-08-15T11:47:11Z",
              "ms": -1684498369107.1455
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 16:40 on Mon 14 Aug to 13:40 on Tue 15 Aug.",
          "fact": "1916-08-14T08:40:00Z → 1916-08-15T05:40:18Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:10 on the 14th and 19:47 on the 15th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 14th and is not on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9016 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Fuzhou, 1916: Monday 14 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata 1916 falls on Monday 14 August. Dvitīyā runs from 16:40 on Mon 14 Aug to 13:40 on Tue 15 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ashunya-shayana-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1965,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1916-08-15T13:40:18+08:00",
          "utc": "1916-08-15T05:40:18Z",
          "ms": -1684520382017.052
        },
        "end": {
          "local": "1916-08-16T11:10:06+08:00",
          "utc": "1916-08-16T03:10:06Z",
          "ms": -1684442994193.8499
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-15T13:40:18+08:00",
          "utc": "1916-08-15T05:40:18Z",
          "ms": -1684520382017.052
        },
        "end": {
          "local": "1916-08-16T11:10:06+08:00",
          "utc": "1916-08-16T03:10:06Z",
          "ms": -1684442994193.8499
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-15",
          "window": {
            "start": {
              "local": "1916-08-15T11:43:02+08:00",
              "utc": "1916-08-15T03:43:02Z",
              "ms": -1684527417576.1948
            },
            "end": {
              "local": "1916-08-15T12:31:02+08:00",
              "utc": "1916-08-15T04:31:02Z",
              "ms": -1684524537576.1948
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-08-16",
          "window": {
            "start": {
              "local": "1916-08-16T11:42:51+08:00",
              "utc": "1916-08-16T03:42:51Z",
              "ms": -1684441029418.7236
            },
            "end": {
              "local": "1916-08-16T12:30:51+08:00",
              "utc": "1916-08-16T04:30:51Z",
              "ms": -1684438149418.7236
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 13:40 on Tue 15 Aug to 11:10 on Wed 16 Aug.",
          "fact": "1916-08-15T05:40:18Z → 1916-08-16T03:10:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 15th, 11:43–12:31 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 1965 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Fuzhou, 1916: Wednesday 16 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kajjali-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 1916 falls on Wednesday 16 August. Tṛtīyā runs from 13:40 on Tue 15 Aug to 11:10 on Wed 16 Aug, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/kajjali-tritiya",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17492,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-08-16T11:10:06+08:00",
          "utc": "1916-08-16T03:10:06Z",
          "ms": -1684442994193.8499
        },
        "end": {
          "local": "1916-08-17T09:17:41+08:00",
          "utc": "1916-08-17T01:17:41Z",
          "ms": -1684363339322.9253
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-16T11:10:06+08:00",
          "utc": "1916-08-16T03:10:06Z",
          "ms": -1684442994193.8499
        },
        "end": {
          "local": "1916-08-17T09:17:41+08:00",
          "utc": "1916-08-17T01:17:41Z",
          "ms": -1684363339322.9253
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1916-08-16",
          "window": {
            "start": {
              "local": "1916-08-16T16:01:38+08:00",
              "utc": "1916-08-16T08:01:38Z",
              "ms": -1684425502034.164
            },
            "end": {
              "local": "1916-08-16T18:38:10+08:00",
              "utc": "1916-08-16T10:38:10Z",
              "ms": -1684416110444.4578
            }
          },
          "covered_min": 157,
          "window_min": 157,
          "qualifies": true
        },
        {
          "local_date": "1916-08-17",
          "window": {
            "start": {
              "local": "1916-08-17T16:01:02+08:00",
              "utc": "1916-08-17T08:01:02Z",
              "ms": -1684339138450.4226
            },
            "end": {
              "local": "1916-08-17T18:37:17+08:00",
              "utc": "1916-08-17T10:37:17Z",
              "ms": -1684329762903.8909
            }
          },
          "covered_min": 0,
          "window_min": 156,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:10 on Wed 16 Aug to 09:18 on Thu 17 Aug.",
          "fact": "1916-08-16T03:10:06Z → 1916-08-17T01:17:41Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:02–18:38 on the 16th, 16:01–18:37 on the 17th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 157 of 157 minutes on the 16th and 0 of 156 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17492 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Fuzhou, 1916: Wednesday 16 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bahula-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)."
          }
        ],
        "kaala": "sayahna",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bahulā Caturthī 1916 falls on Wednesday 16 August. Caturthī runs from 11:10 on Wed 16 Aug to 09:18 on Thu 17 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/bahula-chaturthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-08-16",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33165,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-08-16T11:10:06+08:00",
          "utc": "1916-08-16T03:10:06Z",
          "ms": -1684442994193.8499
        },
        "end": {
          "local": "1916-08-17T09:17:41+08:00",
          "utc": "1916-08-17T01:17:41Z",
          "ms": -1684363339322.9253
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-16T11:10:06+08:00",
          "utc": "1916-08-16T03:10:06Z",
          "ms": -1684442994193.8499
        },
        "end": {
          "local": "1916-08-17T09:17:41+08:00",
          "utc": "1916-08-17T01:17:41Z",
          "ms": -1684363339322.9253
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-08-16",
          "window": {
            "start": {
              "local": "1916-08-16T20:22:51+08:00",
              "utc": "1916-08-16T12:22:51Z",
              "ms": -1684409829291.243
            },
            "end": {
              "local": "1916-08-16T20:22:51+08:00",
              "utc": "1916-08-16T12:22:51Z",
              "ms": -1684409829291.243
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-08-17",
          "window": {
            "start": {
              "local": "1916-08-17T20:58:41+08:00",
              "utc": "1916-08-17T12:58:41Z",
              "ms": -1684321278694.7559
            },
            "end": {
              "local": "1916-08-17T20:58:41+08:00",
              "utc": "1916-08-17T12:58:41Z",
              "ms": -1684321278694.7559
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:10 on Wed 16 Aug to 09:18 on Thu 17 Aug.",
          "fact": "1916-08-16T03:10:06Z → 1916-08-17T01:17:41Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:23 on the 16th and 20:59 on the 17th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33165 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Wednesday 16 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Wednesday 16 August. Caturthī runs from 11:10 on Wed 16 Aug to 09:18 on Thu 17 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-08-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12764,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1916-08-18T08:09:42+08:00",
          "utc": "1916-08-18T00:09:42Z",
          "ms": -1684281018222.3066
        },
        "end": {
          "local": "1916-08-19T07:50:16+08:00",
          "utc": "1916-08-18T23:50:16Z",
          "ms": -1684195784344.0107
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-18T08:09:42+08:00",
          "utc": "1916-08-18T00:09:42Z",
          "ms": -1684281018222.3066
        },
        "end": {
          "local": "1916-08-19T07:50:16+08:00",
          "utc": "1916-08-18T23:50:16Z",
          "ms": -1684195784344.0107
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-18",
          "window": {
            "start": {
              "local": "1916-08-18T11:42:25+08:00",
              "utc": "1916-08-18T03:42:25Z",
              "ms": -1684268254617.4336
            },
            "end": {
              "local": "1916-08-18T12:30:25+08:00",
              "utc": "1916-08-18T04:30:25Z",
              "ms": -1684265374617.4336
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-08-19",
          "window": {
            "start": {
              "local": "1916-08-19T11:42:12+08:00",
              "utc": "1916-08-19T03:42:12Z",
              "ms": -1684181867947.6355
            },
            "end": {
              "local": "1916-08-19T12:30:12+08:00",
              "utc": "1916-08-19T04:30:12Z",
              "ms": -1684178987947.6355
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 08:10 on Fri 18 Aug to 07:50 on Sat 19 Aug.",
          "fact": "1916-08-18T00:09:42Z → 1916-08-18T23:50:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 18th, 11:42–12:30 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12764 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Fuzhou, 1916: Friday 18 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "hala-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Hala sasthi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hala Ṣaṣṭhī 1916 falls on Friday 18 August. Ṣaṣṭhī runs from 08:10 on Fri 18 Aug to 07:50 on Sat 19 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/hala-shashthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12117,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1916-08-19T07:50:16+08:00",
          "utc": "1916-08-18T23:50:16Z",
          "ms": -1684195784344.0107
        },
        "end": {
          "local": "1916-08-20T08:20:02+08:00",
          "utc": "1916-08-20T00:20:02Z",
          "ms": -1684107598262.4272
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-19T07:50:16+08:00",
          "utc": "1916-08-18T23:50:16Z",
          "ms": -1684195784344.0107
        },
        "end": {
          "local": "1916-08-20T08:20:02+08:00",
          "utc": "1916-08-20T00:20:02Z",
          "ms": -1684107598262.4272
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-19",
          "window": {
            "start": {
              "local": "1916-08-19T11:42:12+08:00",
              "utc": "1916-08-19T03:42:12Z",
              "ms": -1684181867947.6355
            },
            "end": {
              "local": "1916-08-19T12:30:12+08:00",
              "utc": "1916-08-19T04:30:12Z",
              "ms": -1684178987947.6355
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-08-20",
          "window": {
            "start": {
              "local": "1916-08-20T11:41:58+08:00",
              "utc": "1916-08-20T03:41:58Z",
              "ms": -1684095481748.5557
            },
            "end": {
              "local": "1916-08-20T12:29:58+08:00",
              "utc": "1916-08-20T04:29:58Z",
              "ms": -1684092601748.5557
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 07:50 on Sat 19 Aug to 08:20 on Sun 20 Aug.",
          "fact": "1916-08-18T23:50:16Z → 1916-08-20T00:20:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 19th, 11:42–12:30 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 12117 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Fuzhou, 1916: Saturday 19 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitala-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 7 Sitala saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śītalā Saptamī 1916 falls on Saturday 19 August. Saptamī runs from 07:50 on Sat 19 Aug to 08:20 on Sun 20 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shitala-saptami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28176,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-08-20T08:20:02+08:00",
          "utc": "1916-08-20T00:20:02Z",
          "ms": -1684107598262.4272
        },
        "end": {
          "local": "1916-08-21T09:35:34+08:00",
          "utc": "1916-08-21T01:35:34Z",
          "ms": -1684016666303.0437
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-20T08:20:02+08:00",
          "utc": "1916-08-20T00:20:02Z",
          "ms": -1684107598262.4272
        },
        "end": {
          "local": "1916-08-21T09:35:34+08:00",
          "utc": "1916-08-21T01:35:34Z",
          "ms": -1684016666303.0437
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-08-19",
          "window": {
            "start": {
              "local": "1916-08-19T23:42:26+08:00",
              "utc": "1916-08-19T15:42:26Z",
              "ms": -1684138654326.6523
            },
            "end": {
              "local": "1916-08-20T00:30:26+08:00",
              "utc": "1916-08-19T16:30:26Z",
              "ms": -1684135774326.6523
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-08-20",
          "window": {
            "start": {
              "local": "1916-08-20T23:42:12+08:00",
              "utc": "1916-08-20T15:42:12Z",
              "ms": -1684052268212.6294
            },
            "end": {
              "local": "1916-08-21T00:30:12+08:00",
              "utc": "1916-08-20T16:30:12Z",
              "ms": -1684049388212.6294
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 08:20 on Sun 20 Aug to 09:36 on Mon 21 Aug.",
          "fact": "1916-08-20T00:20:02Z → 1916-08-21T01:35:34Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 19th, 23:42–00:30 on the 20th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28176 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Fuzhou, 1916: Sunday 20 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "janmashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami."
          }
        ],
        "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.",
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Janmāṣṭamī 1916 falls on Sunday 20 August. Aṣṭamī runs from 08:20 on Sun 20 Aug to 09:36 on Mon 21 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/janmashtami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-08-24",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29489,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-08-23T13:50:11+08:00",
          "utc": "1916-08-23T05:50:11Z",
          "ms": -1683828588671.732
        },
        "end": {
          "local": "1916-08-24T16:25:29+08:00",
          "utc": "1916-08-24T08:25:29Z",
          "ms": -1683732871468.0266
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-23T13:50:11+08:00",
          "utc": "1916-08-23T05:50:11Z",
          "ms": -1683828588671.732
        },
        "end": {
          "local": "1916-08-24T16:25:29+08:00",
          "utc": "1916-08-24T08:25:29Z",
          "ms": -1683732871468.0266
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-08-23",
          "window": {
            "start": {
              "local": "1916-08-23T05:38:42+08:00",
              "utc": "1916-08-22T21:38:42Z",
              "ms": -1683858077691.6265
            },
            "end": {
              "local": "1916-08-23T05:38:42+08:00",
              "utc": "1916-08-22T21:38:42Z",
              "ms": -1683858077691.6265
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-08-24",
          "window": {
            "start": {
              "local": "1916-08-24T05:39:09+08:00",
              "utc": "1916-08-23T21:39:09Z",
              "ms": -1683771651127.7424
            },
            "end": {
              "local": "1916-08-24T05:39:09+08:00",
              "utc": "1916-08-23T21:39:09Z",
              "ms": -1683771651127.7424
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:50 on Wed 23 Aug to 16:25 on Thu 24 Aug.",
          "fact": "1916-08-23T05:50:11Z → 1916-08-24T08:25:29Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:39 on the 23rd and 05:39 on the 24th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29489 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Fuzhou, 1916: Thursday 24 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ajā Ekādaśī 1916 falls on Thursday 24 August. Ekādaśī runs from 13:50 on Wed 23 Aug to 16:25 on Thu 24 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-08-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-08-26",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1948,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-08-25T19:02:18+08:00",
          "utc": "1916-08-25T11:02:18Z",
          "ms": -1683637061866.7866
        },
        "end": {
          "local": "1916-08-26T21:29:31+08:00",
          "utc": "1916-08-26T13:29:31Z",
          "ms": -1683541829293.4216
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-25T19:02:18+08:00",
          "utc": "1916-08-25T11:02:18Z",
          "ms": -1683637061866.7866
        },
        "end": {
          "local": "1916-08-26T21:29:31+08:00",
          "utc": "1916-08-26T13:29:31Z",
          "ms": -1683541829293.4216
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-08-25",
          "window": {
            "start": {
              "local": "1916-08-25T18:29:50+08:00",
              "utc": "1916-08-25T10:29:50Z",
              "ms": -1683639010067.2512
            },
            "end": {
              "local": "1916-08-25T19:59:11+08:00",
              "utc": "1916-08-25T11:59:11Z",
              "ms": -1683633648525.3325
            }
          },
          "covered_min": 57,
          "window_min": 89,
          "qualifies": true
        },
        {
          "local_date": "1916-08-26",
          "window": {
            "start": {
              "local": "1916-08-26T18:28:51+08:00",
              "utc": "1916-08-26T10:28:51Z",
              "ms": -1683552669050.445
            },
            "end": {
              "local": "1916-08-26T19:58:24+08:00",
              "utc": "1916-08-26T11:58:24Z",
              "ms": -1683547296168.9653
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:02 on Fri 25 Aug to 21:30 on Sat 26 Aug.",
          "fact": "1916-08-25T11:02:18Z → 1916-08-26T13:29:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–19:59 on the 25th, 18:29–19:58 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 57 of 89 minutes on the 25th and 90 of 90 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1948 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Saturday 26 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Saturday 26 August. Trayodaśī runs from 19:02 on Fri 25 Aug to 21:30 on Sat 26 Aug and covers all of pradoṣa that evening. It also reaches the previous evening for 57 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-08-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-08-26",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 104,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-08-26T21:29:31+08:00",
          "utc": "1916-08-26T13:29:31Z",
          "ms": -1683541829293.4216
        },
        "end": {
          "local": "1916-08-27T23:38:39+08:00",
          "utc": "1916-08-27T15:38:39Z",
          "ms": -1683447681276.0017
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-26T21:29:31+08:00",
          "utc": "1916-08-26T13:29:31Z",
          "ms": -1683541829293.4216
        },
        "end": {
          "local": "1916-08-27T23:38:39+08:00",
          "utc": "1916-08-27T15:38:39Z",
          "ms": -1683447681276.0017
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-08-26",
          "window": {
            "start": {
              "local": "1916-08-26T23:40:39+08:00",
              "utc": "1916-08-26T15:40:39Z",
              "ms": -1683533960744.896
            },
            "end": {
              "local": "1916-08-27T00:28:39+08:00",
              "utc": "1916-08-26T16:28:39Z",
              "ms": -1683531080744.896
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-08-27",
          "window": {
            "start": {
              "local": "1916-08-27T23:40:22+08:00",
              "utc": "1916-08-27T15:40:22Z",
              "ms": -1683447577591.7793
            },
            "end": {
              "local": "1916-08-28T00:28:22+08:00",
              "utc": "1916-08-27T16:28:22Z",
              "ms": -1683444697591.7793
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:30 on Sat 26 Aug to 23:39 on Sun 27 Aug.",
          "fact": "1916-08-26T13:29:31Z → 1916-08-27T15:38:39Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 26th, 23:40–00:28 on the 27th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 104 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Saturday 26 August.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Saturday 26 August. Caturdaśī runs from 21:30 on Sat 26 Aug to 23:39 on Sun 27 Aug and covers all of niśītha that night. It is 1 min 44 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-08-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5467,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-08-26T21:29:31+08:00",
          "utc": "1916-08-26T13:29:31Z",
          "ms": -1683541829293.4216
        },
        "end": {
          "local": "1916-08-27T23:38:39+08:00",
          "utc": "1916-08-27T15:38:39Z",
          "ms": -1683447681276.0017
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-26T21:29:31+08:00",
          "utc": "1916-08-26T13:29:31Z",
          "ms": -1683541829293.4216
        },
        "end": {
          "local": "1916-08-27T23:38:39+08:00",
          "utc": "1916-08-27T15:38:39Z",
          "ms": -1683447681276.0017
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-08-26",
          "window": {
            "start": {
              "local": "1916-08-26T18:28:51+08:00",
              "utc": "1916-08-26T10:28:51Z",
              "ms": -1683552669050.445
            },
            "end": {
              "local": "1916-08-26T19:58:24+08:00",
              "utc": "1916-08-26T11:58:24Z",
              "ms": -1683547296168.9653
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        },
        {
          "local_date": "1916-08-27",
          "window": {
            "start": {
              "local": "1916-08-27T18:27:51+08:00",
              "utc": "1916-08-27T10:27:51Z",
              "ms": -1683466328644.0015
            },
            "end": {
              "local": "1916-08-27T19:57:36+08:00",
              "utc": "1916-08-27T11:57:36Z",
              "ms": -1683460944363.409
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:30 on Sat 26 Aug to 23:39 on Sun 27 Aug.",
          "fact": "1916-08-26T13:29:31Z → 1916-08-27T15:38:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–19:58 on the 26th, 18:28–19:58 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 26th and 90 of 90 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5467 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Fuzhou, 1916: Sunday 27 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aghora-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Aghora caturdasi (pradosa vyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aghora Caturdaśī 1916 falls on Sunday 27 August. Caturdaśī runs from 21:30 on Sat 26 Aug to 23:39 on Sun 27 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/aghora-chaturdashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32161,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1916-08-29T01:24:12+08:00",
          "utc": "1916-08-28T17:24:12Z",
          "ms": -1683354947951.196
        },
        "end": {
          "local": "1916-08-30T02:43:16+08:00",
          "utc": "1916-08-29T18:43:16Z",
          "ms": -1683263803547.8362
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-29T01:24:12+08:00",
          "utc": "1916-08-28T17:24:12Z",
          "ms": -1683354947951.196
        },
        "end": {
          "local": "1916-08-30T02:43:16+08:00",
          "utc": "1916-08-29T18:43:16Z",
          "ms": -1683263803547.8362
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-29",
          "window": {
            "start": {
              "local": "1916-08-29T11:39:35+08:00",
              "utc": "1916-08-29T03:39:35Z",
              "ms": -1683318025187.019
            },
            "end": {
              "local": "1916-08-29T12:27:35+08:00",
              "utc": "1916-08-29T04:27:35Z",
              "ms": -1683315145187.019
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-08-30",
          "window": {
            "start": {
              "local": "1916-08-30T11:39:17+08:00",
              "utc": "1916-08-30T03:39:17Z",
              "ms": -1683231643042.6846
            },
            "end": {
              "local": "1916-08-30T12:27:17+08:00",
              "utc": "1916-08-30T04:27:17Z",
              "ms": -1683228763042.6846
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 01:24 on Tue 29 Aug to 02:43 on Wed 30 Aug.",
          "fact": "1916-08-28T17:24:12Z → 1916-08-29T18:43:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 29th, 11:39–12:27 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32161 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Fuzhou, 1916: Tuesday 29 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rudra-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Rudra vrata (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rudra Vrata 1916 falls on Tuesday 29 August. Pratipadā runs from 01:24 on Tue 29 Aug to 02:43 on Wed 30 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/rudra-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-08-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27574,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1916-08-31T03:34:52+08:00",
          "utc": "1916-08-30T19:34:52Z",
          "ms": -1683174308190.869
        },
        "end": {
          "local": "1916-09-01T03:59:06+08:00",
          "utc": "1916-08-31T19:59:06Z",
          "ms": -1683086454058.7803
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-08-31T03:34:52+08:00",
          "utc": "1916-08-30T19:34:52Z",
          "ms": -1683174308190.869
        },
        "end": {
          "local": "1916-09-01T03:59:06+08:00",
          "utc": "1916-08-31T19:59:06Z",
          "ms": -1683086454058.7803
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-08-31",
          "window": {
            "start": {
              "local": "1916-08-31T11:38:59+08:00",
              "utc": "1916-08-31T03:38:59Z",
              "ms": -1683145261236.812
            },
            "end": {
              "local": "1916-08-31T12:26:59+08:00",
              "utc": "1916-08-31T04:26:59Z",
              "ms": -1683142381236.812
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-09-01",
          "window": {
            "start": {
              "local": "1916-09-01T11:38:40+08:00",
              "utc": "1916-09-01T03:38:40Z",
              "ms": -1683058879756.2969
            },
            "end": {
              "local": "1916-09-01T12:26:40+08:00",
              "utc": "1916-09-01T04:26:40Z",
              "ms": -1683055999756.2969
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 03:35 on Thu 31 Aug to 03:59 on Fri 1 Sep.",
          "fact": "1916-08-30T19:34:52Z → 1916-08-31T19:59:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 31st, 11:39–12:27 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 27574 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Fuzhou, 1916: Thursday 31 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "haritalika-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-08-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-08-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 1916 falls on Thursday 31 August. Tṛtīyā runs from 03:35 on Thu 31 Aug to 03:59 on Fri 1 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/haritalika-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27574,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-09-01T03:59:06+08:00",
          "utc": "1916-08-31T19:59:06Z",
          "ms": -1683086454058.7803
        },
        "end": {
          "local": "1916-09-02T03:56:36+08:00",
          "utc": "1916-09-01T19:56:36Z",
          "ms": -1683000204484.7874
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-01T03:59:06+08:00",
          "utc": "1916-08-31T19:59:06Z",
          "ms": -1683086454058.7803
        },
        "end": {
          "local": "1916-09-02T03:56:36+08:00",
          "utc": "1916-09-01T19:56:36Z",
          "ms": -1683000204484.7874
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-09-01",
          "window": {
            "start": {
              "local": "1916-09-01T11:38:40+08:00",
              "utc": "1916-09-01T03:38:40Z",
              "ms": -1683058879756.2969
            },
            "end": {
              "local": "1916-09-01T12:26:40+08:00",
              "utc": "1916-09-01T04:26:40Z",
              "ms": -1683055999756.2969
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-09-02",
          "window": {
            "start": {
              "local": "1916-09-02T11:38:21+08:00",
              "utc": "1916-09-02T03:38:21Z",
              "ms": -1682972498587.54
            },
            "end": {
              "local": "1916-09-02T12:26:21+08:00",
              "utc": "1916-09-02T04:26:21Z",
              "ms": -1682969618587.54
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 03:59 on Fri 1 Sep to 03:57 on Sat 2 Sep.",
          "fact": "1916-08-31T19:59:06Z → 1916-09-01T19:56:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 1st, 11:38–12:26 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 27574 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Fuzhou, 1916: Friday 1 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Caturthī 1916 falls on Friday 1 September. Caturthī runs from 03:59 on Fri 1 Sep to 03:57 on Sat 2 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ganesha-chaturthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27706,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1916-09-02T03:56:36+08:00",
          "utc": "1916-09-01T19:56:36Z",
          "ms": -1683000204484.7874
        },
        "end": {
          "local": "1916-09-03T03:28:00+08:00",
          "utc": "1916-09-02T19:28:00Z",
          "ms": -1682915519541.5645
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-02T03:56:36+08:00",
          "utc": "1916-09-01T19:56:36Z",
          "ms": -1683000204484.7874
        },
        "end": {
          "local": "1916-09-03T03:28:00+08:00",
          "utc": "1916-09-02T19:28:00Z",
          "ms": -1682915519541.5645
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-09-02",
          "window": {
            "start": {
              "local": "1916-09-02T11:38:21+08:00",
              "utc": "1916-09-02T03:38:21Z",
              "ms": -1682972498587.54
            },
            "end": {
              "local": "1916-09-02T12:26:21+08:00",
              "utc": "1916-09-02T04:26:21Z",
              "ms": -1682969618587.54
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-09-03",
          "window": {
            "start": {
              "local": "1916-09-03T11:38:02+08:00",
              "utc": "1916-09-03T03:38:02Z",
              "ms": -1682886117716.3367
            },
            "end": {
              "local": "1916-09-03T12:26:02+08:00",
              "utc": "1916-09-03T04:26:02Z",
              "ms": -1682883237716.3367
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 03:57 on Sat 2 Sep to 03:28 on Sun 3 Sep.",
          "fact": "1916-09-01T19:56:36Z → 1916-09-02T19:28:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 2nd, 11:38–12:26 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 27706 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Fuzhou, 1916: Saturday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day"
          }
        ],
        "kaala": "madhyahna",
        "priority": "disputed",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Pañcamī 1916 falls on Saturday 2 September. Pañcamī runs from 03:57 on Sat 2 Sep to 03:28 on Sun 3 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/rishi-panchami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29402,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1916-09-03T03:28:00+08:00",
          "utc": "1916-09-02T19:28:00Z",
          "ms": -1682915519541.5645
        },
        "end": {
          "local": "1916-09-04T02:33:54+08:00",
          "utc": "1916-09-03T18:33:54Z",
          "ms": -1682832365762.85
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-03T03:28:00+08:00",
          "utc": "1916-09-02T19:28:00Z",
          "ms": -1682915519541.5645
        },
        "end": {
          "local": "1916-09-04T02:33:54+08:00",
          "utc": "1916-09-03T18:33:54Z",
          "ms": -1682832365762.85
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-09-03",
          "window": {
            "start": {
              "local": "1916-09-03T11:38:02+08:00",
              "utc": "1916-09-03T03:38:02Z",
              "ms": -1682886117716.3367
            },
            "end": {
              "local": "1916-09-03T12:26:02+08:00",
              "utc": "1916-09-03T04:26:02Z",
              "ms": -1682883237716.3367
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-09-04",
          "window": {
            "start": {
              "local": "1916-09-04T11:37:43+08:00",
              "utc": "1916-09-04T03:37:43Z",
              "ms": -1682799737127.757
            },
            "end": {
              "local": "1916-09-04T12:25:43+08:00",
              "utc": "1916-09-04T04:25:43Z",
              "ms": -1682796857127.757
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 03:28 on Sun 3 Sep to 02:34 on Mon 4 Sep.",
          "fact": "1916-09-02T19:28:00Z → 1916-09-03T18:33:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 3rd, 11:38–12:26 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29402 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 1916: Sunday 3 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi-bhadrapada",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 1916 falls on Sunday 3 September. Ṣaṣṭhī runs from 03:28 on Sun 3 Sep to 02:34 on Mon 4 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/surya-shashthi-bhadrapada",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32629,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1916-09-04T02:33:54+08:00",
          "utc": "1916-09-03T18:33:54Z",
          "ms": -1682832365762.85
        },
        "end": {
          "local": "1916-09-05T01:14:49+08:00",
          "utc": "1916-09-04T17:14:49Z",
          "ms": -1682750711016.096
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-04T02:33:54+08:00",
          "utc": "1916-09-03T18:33:54Z",
          "ms": -1682832365762.85
        },
        "end": {
          "local": "1916-09-05T01:14:49+08:00",
          "utc": "1916-09-04T17:14:49Z",
          "ms": -1682750711016.096
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-09-04",
          "window": {
            "start": {
              "local": "1916-09-04T11:37:43+08:00",
              "utc": "1916-09-04T03:37:43Z",
              "ms": -1682799737127.757
            },
            "end": {
              "local": "1916-09-04T12:25:43+08:00",
              "utc": "1916-09-04T04:25:43Z",
              "ms": -1682796857127.757
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-09-05",
          "window": {
            "start": {
              "local": "1916-09-05T11:37:23+08:00",
              "utc": "1916-09-05T03:37:23Z",
              "ms": -1682713356806.0156
            },
            "end": {
              "local": "1916-09-05T12:25:23+08:00",
              "utc": "1916-09-05T04:25:23Z",
              "ms": -1682710476806.0156
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 02:34 on Mon 4 Sep to 01:15 on Tue 5 Sep.",
          "fact": "1916-09-03T18:33:54Z → 1916-09-04T17:14:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 4th, 11:37–12:25 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32629 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Fuzhou, 1916: Monday 4 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "muktabharana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Muktābharaṇa Vrata 1916 falls on Monday 4 September. Saptamī runs from 02:34 on Mon 4 Sep to 01:15 on Tue 5 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/muktabharana-vrata",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37354,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-09-05T01:14:49+08:00",
          "utc": "1916-09-04T17:14:49Z",
          "ms": -1682750711016.096
        },
        "end": {
          "local": "1916-09-05T23:31:32+08:00",
          "utc": "1916-09-05T15:31:32Z",
          "ms": -1682670508305.9912
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-05T01:14:49+08:00",
          "utc": "1916-09-04T17:14:49Z",
          "ms": -1682750711016.096
        },
        "end": {
          "local": "1916-09-05T23:31:32+08:00",
          "utc": "1916-09-05T15:31:32Z",
          "ms": -1682670508305.9912
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-09-05",
          "window": {
            "start": {
              "local": "1916-09-05T11:37:23+08:00",
              "utc": "1916-09-05T03:37:23Z",
              "ms": -1682713356806.0156
            },
            "end": {
              "local": "1916-09-05T12:25:23+08:00",
              "utc": "1916-09-05T04:25:23Z",
              "ms": -1682710476806.0156
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-09-06",
          "window": {
            "start": {
              "local": "1916-09-06T11:37:03+08:00",
              "utc": "1916-09-06T03:37:03Z",
              "ms": -1682626976734.3616
            },
            "end": {
              "local": "1916-09-06T12:25:03+08:00",
              "utc": "1916-09-06T04:25:03Z",
              "ms": -1682624096734.3616
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 01:15 on Tue 5 Sep to 23:32 on Tue 5 Sep.",
          "fact": "1916-09-04T17:14:49Z → 1916-09-05T15:31:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 5th, 11:37–12:25 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37354 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Fuzhou, 1916: Tuesday 5 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "radhashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rādhāṣṭamī 1916 falls on Tuesday 5 September. Aṣṭamī runs from 01:15 on Tue 5 Sep to 23:32 on Tue 5 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/radhashtami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-09-08",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37798,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-09-07T18:58:53+08:00",
          "utc": "1916-09-07T10:58:53Z",
          "ms": -1682514067442.241
        },
        "end": {
          "local": "1916-09-08T16:15:26+08:00",
          "utc": "1916-09-08T08:15:26Z",
          "ms": -1682437473886.616
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-07T18:58:53+08:00",
          "utc": "1916-09-07T10:58:53Z",
          "ms": -1682514067442.241
        },
        "end": {
          "local": "1916-09-08T16:15:26+08:00",
          "utc": "1916-09-08T08:15:26Z",
          "ms": -1682437473886.616
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-09-07",
          "window": {
            "start": {
              "local": "1916-09-07T05:45:04+08:00",
              "utc": "1916-09-06T21:45:04Z",
              "ms": -1682561695796.6877
            },
            "end": {
              "local": "1916-09-07T05:45:04+08:00",
              "utc": "1916-09-06T21:45:04Z",
              "ms": -1682561695796.6877
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-09-08",
          "window": {
            "start": {
              "local": "1916-09-08T05:45:29+08:00",
              "utc": "1916-09-07T21:45:29Z",
              "ms": -1682475271416.877
            },
            "end": {
              "local": "1916-09-08T05:45:29+08:00",
              "utc": "1916-09-07T21:45:29Z",
              "ms": -1682475271416.877
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:59 on Thu 7 Sep to 16:15 on Fri 8 Sep.",
          "fact": "1916-09-07T10:58:53Z → 1916-09-08T08:15:26Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:45 on the 7th and 05:45 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37798 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Fuzhou, 1916: Friday 8 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Parivartanī Ekādaśī 1916 falls on Friday 8 September. Ekādaśī runs from 18:59 on Thu 7 Sep to 16:15 on Fri 8 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-09-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3360,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1916-09-08T16:15:26+08:00",
          "utc": "1916-09-08T08:15:26Z",
          "ms": -1682437473886.616
        },
        "end": {
          "local": "1916-09-09T13:20:02+08:00",
          "utc": "1916-09-09T05:20:02Z",
          "ms": -1682361598100.586
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-08T16:15:26+08:00",
          "utc": "1916-09-08T08:15:26Z",
          "ms": -1682437473886.616
        },
        "end": {
          "local": "1916-09-09T13:20:02+08:00",
          "utc": "1916-09-09T05:20:02Z",
          "ms": -1682361598100.586
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-09-08",
          "window": {
            "start": {
              "local": "1916-09-08T11:36:23+08:00",
              "utc": "1916-09-08T03:36:23Z",
              "ms": -1682454217268.3948
            },
            "end": {
              "local": "1916-09-08T12:24:23+08:00",
              "utc": "1916-09-08T04:24:23Z",
              "ms": -1682451337268.3948
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-09-09",
          "window": {
            "start": {
              "local": "1916-09-09T11:36:02+08:00",
              "utc": "1916-09-09T03:36:02Z",
              "ms": -1682367837834.58
            },
            "end": {
              "local": "1916-09-09T12:24:02+08:00",
              "utc": "1916-09-09T04:24:02Z",
              "ms": -1682364957834.58
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 16:15 on Fri 8 Sep to 13:20 on Sat 9 Sep.",
          "fact": "1916-09-08T08:15:26Z → 1916-09-09T05:20:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 8th, 11:36–12:24 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3360 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Fuzhou, 1916: Saturday 9 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vamana-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vāmana Jayantī 1916 falls on Saturday 9 September. Dvādaśī runs from 16:15 on Fri 8 Sep to 13:20 on Sat 9 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vamana-jayanti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-09-09",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17650,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-09-09T13:20:02+08:00",
          "utc": "1916-09-09T05:20:02Z",
          "ms": -1682361598100.586
        },
        "end": {
          "local": "1916-09-10T10:18:56+08:00",
          "utc": "1916-09-10T02:18:56Z",
          "ms": -1682286064282.3186
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-09T13:20:02+08:00",
          "utc": "1916-09-09T05:20:02Z",
          "ms": -1682361598100.586
        },
        "end": {
          "local": "1916-09-10T10:18:56+08:00",
          "utc": "1916-09-10T02:18:56Z",
          "ms": -1682286064282.3186
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-09-09",
          "window": {
            "start": {
              "local": "1916-09-09T18:14:11+08:00",
              "utc": "1916-09-09T10:14:11Z",
              "ms": -1682343948544.857
            },
            "end": {
              "local": "1916-09-09T19:46:28+08:00",
              "utc": "1916-09-09T11:46:28Z",
              "ms": -1682338411792.7356
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "1916-09-10",
          "window": {
            "start": {
              "local": "1916-09-10T18:13:06+08:00",
              "utc": "1916-09-10T10:13:06Z",
              "ms": -1682257614239.5823
            },
            "end": {
              "local": "1916-09-10T19:45:34+08:00",
              "utc": "1916-09-10T11:45:34Z",
              "ms": -1682252065506.1863
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:20 on Sat 9 Sep to 10:19 on Sun 10 Sep.",
          "fact": "1916-09-09T05:20:02Z → 1916-09-10T02:18:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:46 on the 9th, 18:13–19:46 on the 10th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 9th and 0 of 92 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17650 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Saturday 9 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Saturday 9 September. Trayodaśī runs from 13:20 on Sat 9 Sep to 10:19 on Sun 10 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-09-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-10",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3369,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-09-10T10:18:56+08:00",
          "utc": "1916-09-10T02:18:56Z",
          "ms": -1682286064282.3186
        },
        "end": {
          "local": "1916-09-11T07:19:36+08:00",
          "utc": "1916-09-10T23:19:36Z",
          "ms": -1682210424351.4924
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-10T10:18:56+08:00",
          "utc": "1916-09-10T02:18:56Z",
          "ms": -1682286064282.3186
        },
        "end": {
          "local": "1916-09-11T07:19:36+08:00",
          "utc": "1916-09-10T23:19:36Z",
          "ms": -1682210424351.4924
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "1916-09-10",
          "window": {
            "start": {
              "local": "1916-09-10T05:46:17+08:00",
              "utc": "1916-09-09T21:46:17Z",
              "ms": -1682302422903.947
            },
            "end": {
              "local": "1916-09-10T08:15:39+08:00",
              "utc": "1916-09-10T00:15:39Z",
              "ms": -1682293461171.074
            }
          },
          "covered_min": 0,
          "window_min": 149,
          "qualifies": false
        },
        {
          "local_date": "1916-09-11",
          "window": {
            "start": {
              "local": "1916-09-11T05:46:41+08:00",
              "utc": "1916-09-10T21:46:41Z",
              "ms": -1682215998739.1128
            },
            "end": {
              "local": "1916-09-11T08:15:45+08:00",
              "utc": "1916-09-11T00:15:45Z",
              "ms": -1682207055026.2559
            }
          },
          "covered_min": 93,
          "window_min": 149,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:19 on Sun 10 Sep to 07:20 on Mon 11 Sep.",
          "fact": "1916-09-10T02:18:56Z → 1916-09-10T23:19:36Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:46–08:16 on the 10th, 05:47–08:16 on the 11th.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 149 minutes on the 10th and 93 of 149 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither morning qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 3369 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Fuzhou, 1916: Sunday 10 September.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananta-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.",
        "kaala": "udaya-3",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-10",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-10",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Ananta Caturdaśī 1916 falls on Sunday 10 September. Caturdaśī runs from 10:19 on Sun 10 Sep to 07:20 on Mon 11 Sep, and reaches the first three muhūrtas after sunrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ananta-chaturdashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-09-15",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6152,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-09-14T22:33:58+08:00",
          "utc": "1916-09-14T14:33:58Z",
          "ms": -1681896361927.8687
        },
        "end": {
          "local": "1916-09-15T21:52:42+08:00",
          "utc": "1916-09-15T13:52:42Z",
          "ms": -1681812437665.134
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-14T22:33:58+08:00",
          "utc": "1916-09-14T14:33:58Z",
          "ms": -1681896361927.8687
        },
        "end": {
          "local": "1916-09-15T21:52:42+08:00",
          "utc": "1916-09-15T13:52:42Z",
          "ms": -1681812437665.134
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-09-14",
          "window": {
            "start": {
              "local": "1916-09-14T19:30:34+08:00",
              "utc": "1916-09-14T11:30:34Z",
              "ms": -1681907366428.7083
            },
            "end": {
              "local": "1916-09-14T19:30:34+08:00",
              "utc": "1916-09-14T11:30:34Z",
              "ms": -1681907366428.7083
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-09-15",
          "window": {
            "start": {
              "local": "1916-09-15T20:10:10+08:00",
              "utc": "1916-09-15T12:10:10Z",
              "ms": -1681818590097.5474
            },
            "end": {
              "local": "1916-09-15T20:10:10+08:00",
              "utc": "1916-09-15T12:10:10Z",
              "ms": -1681818590097.5474
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:34 on Thu 14 Sep to 21:53 on Fri 15 Sep.",
          "fact": "1916-09-14T14:33:58Z → 1916-09-15T13:52:42Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:31 on the 14th and 20:10 on the 15th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 14th and is on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6152 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Friday 15 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Friday 15 September. Caturthī runs from 22:34 on Thu 14 Sep to 21:53 on Fri 15 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-09-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3983,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1916-09-16T21:59:16+08:00",
          "utc": "1916-09-16T13:59:16Z",
          "ms": -1681725644123.544
        },
        "end": {
          "local": "1916-09-17T22:53:56+08:00",
          "utc": "1916-09-17T14:53:56Z",
          "ms": -1681635963947.994
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-16T21:59:16+08:00",
          "utc": "1916-09-16T13:59:16Z",
          "ms": -1681725644123.544
        },
        "end": {
          "local": "1916-09-17T22:53:56+08:00",
          "utc": "1916-09-17T14:53:56Z",
          "ms": -1681635963947.994
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-09-16",
          "window": {
            "start": {
              "local": "1916-09-16T20:52:53+08:00",
              "utc": "1916-09-16T12:52:53Z",
              "ms": -1681729627203.4475
            },
            "end": {
              "local": "1916-09-16T20:52:53+08:00",
              "utc": "1916-09-16T12:52:53Z",
              "ms": -1681729627203.4475
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-09-17",
          "window": {
            "start": {
              "local": "1916-09-17T21:39:07+08:00",
              "utc": "1916-09-17T13:39:07Z",
              "ms": -1681640452769.0537
            },
            "end": {
              "local": "1916-09-17T21:39:07+08:00",
              "utc": "1916-09-17T13:39:07Z",
              "ms": -1681640452769.0537
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 21:59 on Sat 16 Sep to 22:54 on Sun 17 Sep.",
          "fact": "1916-09-16T13:59:16Z → 1916-09-17T14:53:56Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:53 on the 16th and 21:39 on the 17th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 16th and is on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3983 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Fuzhou, 1916: Sunday 17 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chandra-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Candra Ṣaṣṭhī 1916 falls on Sunday 17 September. Ṣaṣṭhī runs from 21:59 on Sat 16 Sep to 22:54 on Sun 17 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/chandra-shashthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17633,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-09-19T00:32:12+08:00",
          "utc": "1916-09-18T16:32:12Z",
          "ms": -1681543668057.516
        },
        "end": {
          "local": "1916-09-20T02:44:34+08:00",
          "utc": "1916-09-19T18:44:34Z",
          "ms": -1681449325980.38
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-19T00:32:12+08:00",
          "utc": "1916-09-18T16:32:12Z",
          "ms": -1681543668057.516
        },
        "end": {
          "local": "1916-09-20T02:44:34+08:00",
          "utc": "1916-09-19T18:44:34Z",
          "ms": -1681449325980.38
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-09-18",
          "window": {
            "start": {
              "local": "1916-09-18T18:04:14+08:00",
              "utc": "1916-09-18T10:04:14Z",
              "ms": -1681566946039.3022
            },
            "end": {
              "local": "1916-09-18T19:38:19+08:00",
              "utc": "1916-09-18T11:38:19Z",
              "ms": -1681561300604.761
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        },
        {
          "local_date": "1916-09-19",
          "window": {
            "start": {
              "local": "1916-09-19T18:03:07+08:00",
              "utc": "1916-09-19T10:03:07Z",
              "ms": -1681480612866.7012
            },
            "end": {
              "local": "1916-09-19T19:37:25+08:00",
              "utc": "1916-09-19T11:37:25Z",
              "ms": -1681474955262.4724
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 00:32 on Tue 19 Sep to 02:45 on Wed 20 Sep.",
          "fact": "1916-09-18T16:32:12Z → 1916-09-19T18:44:34Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:38 on the 18th, 18:03–19:37 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 94 minutes on the 18th and 94 of 94 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17633 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Fuzhou, 1916: Tuesday 19 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 1916 falls on Tuesday 19 September. Aṣṭamī runs from 00:32 on Tue 19 Sep to 02:45 on Wed 20 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/jitashtami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7408,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-09-19T00:32:12+08:00",
          "utc": "1916-09-18T16:32:12Z",
          "ms": -1681543668057.516
        },
        "end": {
          "local": "1916-09-20T02:44:34+08:00",
          "utc": "1916-09-19T18:44:34Z",
          "ms": -1681449325980.38
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-19T00:32:12+08:00",
          "utc": "1916-09-18T16:32:12Z",
          "ms": -1681543668057.516
        },
        "end": {
          "local": "1916-09-20T02:44:34+08:00",
          "utc": "1916-09-19T18:44:34Z",
          "ms": -1681449325980.38
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-09-18",
          "window": {
            "start": {
              "local": "1916-09-18T22:28:44+08:00",
              "utc": "1916-09-18T14:28:44Z",
              "ms": -1681551076290.9756
            },
            "end": {
              "local": "1916-09-18T22:28:44+08:00",
              "utc": "1916-09-18T14:28:44Z",
              "ms": -1681551076290.9756
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-09-19",
          "window": {
            "start": {
              "local": "1916-09-19T23:20:58+08:00",
              "utc": "1916-09-19T15:20:58Z",
              "ms": -1681461541794.3171
            },
            "end": {
              "local": "1916-09-19T23:20:58+08:00",
              "utc": "1916-09-19T15:20:58Z",
              "ms": -1681461541794.3171
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 00:32 on Tue 19 Sep to 02:45 on Wed 20 Sep.",
          "fact": "1916-09-18T16:32:12Z → 1916-09-19T18:44:34Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:29 on the 18th and 23:21 on the 19th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 18th and is on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7408 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 1916: Tuesday 19 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 1916 falls on Tuesday 19 September. Aṣṭamī runs from 00:32 on Tue 19 Sep to 02:45 on Wed 20 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/mahalakshmi-vrata-samapana",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-09-23",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7459,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-09-22T07:55:27+08:00",
          "utc": "1916-09-21T23:55:27Z",
          "ms": -1681257872871.261
        },
        "end": {
          "local": "1916-09-23T10:23:24+08:00",
          "utc": "1916-09-23T02:23:24Z",
          "ms": -1681162596086.328
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-22T07:55:27+08:00",
          "utc": "1916-09-21T23:55:27Z",
          "ms": -1681257872871.261
        },
        "end": {
          "local": "1916-09-23T10:23:24+08:00",
          "utc": "1916-09-23T02:23:24Z",
          "ms": -1681162596086.328
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-09-22",
          "window": {
            "start": {
              "local": "1916-09-22T05:51:08+08:00",
              "utc": "1916-09-21T21:51:08Z",
              "ms": -1681265331613.0298
            },
            "end": {
              "local": "1916-09-22T05:51:08+08:00",
              "utc": "1916-09-21T21:51:08Z",
              "ms": -1681265331613.0298
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-09-23",
          "window": {
            "start": {
              "local": "1916-09-23T05:51:33+08:00",
              "utc": "1916-09-22T21:51:33Z",
              "ms": -1681178906811.0618
            },
            "end": {
              "local": "1916-09-23T05:51:33+08:00",
              "utc": "1916-09-22T21:51:33Z",
              "ms": -1681178906811.0618
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:55 on Fri 22 Sep to 10:23 on Sat 23 Sep.",
          "fact": "1916-09-21T23:55:27Z → 1916-09-23T02:23:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:51 on the 22nd and 05:52 on the 23rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7459 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Fuzhou, 1916: Saturday 23 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Indirā Ekādaśī 1916 falls on Saturday 23 September. Ekādaśī runs from 07:55 on Fri 22 Sep to 10:23 on Sat 23 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-09-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-09-24",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13910,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-09-24T12:29:09+08:00",
          "utc": "1916-09-24T04:29:09Z",
          "ms": -1681068651481.1787
        },
        "end": {
          "local": "1916-09-25T14:04:37+08:00",
          "utc": "1916-09-25T06:04:37Z",
          "ms": -1680976522577.9897
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-24T12:29:09+08:00",
          "utc": "1916-09-24T04:29:09Z",
          "ms": -1681068651481.1787
        },
        "end": {
          "local": "1916-09-25T14:04:37+08:00",
          "utc": "1916-09-25T06:04:37Z",
          "ms": -1680976522577.9897
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-09-24",
          "window": {
            "start": {
              "local": "1916-09-24T17:57:34+08:00",
              "utc": "1916-09-24T09:57:34Z",
              "ms": -1681048946270.948
            },
            "end": {
              "local": "1916-09-24T19:32:52+08:00",
              "utc": "1916-09-24T11:32:52Z",
              "ms": -1681043227670.1638
            }
          },
          "covered_min": 95,
          "window_min": 95,
          "qualifies": true
        },
        {
          "local_date": "1916-09-25",
          "window": {
            "start": {
              "local": "1916-09-25T17:56:27+08:00",
              "utc": "1916-09-25T09:56:27Z",
              "ms": -1680962612623.181
            },
            "end": {
              "local": "1916-09-25T19:31:58+08:00",
              "utc": "1916-09-25T11:31:58Z",
              "ms": -1680956881806.5347
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:29 on Sun 24 Sep to 14:05 on Mon 25 Sep.",
          "fact": "1916-09-24T04:29:09Z → 1916-09-25T06:04:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:33 on the 24th, 17:56–19:32 on the 25th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 95 of 95 minutes on the 24th and 0 of 96 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13910 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Sunday 24 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Sunday 24 September. Trayodaśī runs from 12:29 on Sun 24 Sep to 14:05 on Mon 25 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-09-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-09-25",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30249,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-09-25T14:04:37+08:00",
          "utc": "1916-09-25T06:04:37Z",
          "ms": -1680976522577.9897
        },
        "end": {
          "local": "1916-09-26T15:06:08+08:00",
          "utc": "1916-09-26T07:06:08Z",
          "ms": -1680886431526.1738
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-25T14:04:37+08:00",
          "utc": "1916-09-25T06:04:37Z",
          "ms": -1680976522577.9897
        },
        "end": {
          "local": "1916-09-26T15:06:08+08:00",
          "utc": "1916-09-26T07:06:08Z",
          "ms": -1680886431526.1738
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-09-25",
          "window": {
            "start": {
              "local": "1916-09-25T23:30:38+08:00",
              "utc": "1916-09-25T15:30:38Z",
              "ms": -1680942562060.7573
            },
            "end": {
              "local": "1916-09-26T00:18:38+08:00",
              "utc": "1916-09-25T16:18:38Z",
              "ms": -1680939682060.7573
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-09-26",
          "window": {
            "start": {
              "local": "1916-09-26T23:30:18+08:00",
              "utc": "1916-09-26T15:30:18Z",
              "ms": -1680856182430.755
            },
            "end": {
              "local": "1916-09-27T00:18:18+08:00",
              "utc": "1916-09-26T16:18:18Z",
              "ms": -1680853302430.755
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:05 on Mon 25 Sep to 15:06 on Tue 26 Sep.",
          "fact": "1916-09-25T06:04:37Z → 1916-09-26T07:06:08Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:31–00:19 on the 25th, 23:30–00:18 on the 26th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30249 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Monday 25 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Monday 25 September. Caturdaśī runs from 14:05 on Mon 25 Sep to 15:06 on Tue 26 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-09-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-27",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 219,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1916-09-26T15:06:08+08:00",
          "utc": "1916-09-26T07:06:08Z",
          "ms": -1680886431526.1738
        },
        "end": {
          "local": "1916-09-27T15:33:42+08:00",
          "utc": "1916-09-27T07:33:42Z",
          "ms": -1680798377600.2764
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-26T15:06:08+08:00",
          "utc": "1916-09-26T07:06:08Z",
          "ms": -1680886431526.1738
        },
        "end": {
          "local": "1916-09-27T15:33:42+08:00",
          "utc": "1916-09-27T07:33:42Z",
          "ms": -1680798377600.2764
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "1916-09-26",
          "window": {
            "start": {
              "local": "1916-09-26T13:06:20+08:00",
              "utc": "1916-09-26T05:06:20Z",
              "ms": -1680893619883.392
            },
            "end": {
              "local": "1916-09-26T15:30:51+08:00",
              "utc": "1916-09-26T07:30:51Z",
              "ms": -1680884949345.0784
            }
          },
          "covered_min": 25,
          "window_min": 145,
          "qualifies": true
        },
        {
          "local_date": "1916-09-27",
          "window": {
            "start": {
              "local": "1916-09-27T13:05:51+08:00",
              "utc": "1916-09-27T05:05:51Z",
              "ms": -1680807249300.156
            },
            "end": {
              "local": "1916-09-27T15:30:03+08:00",
              "utc": "1916-09-27T07:30:03Z",
              "ms": -1680798597048.6262
            }
          },
          "covered_min": 144,
          "window_min": 144,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 15:06 on Tue 26 Sep to 15:34 on Wed 27 Sep.",
          "fact": "1916-09-26T07:06:08Z → 1916-09-27T07:33:42Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:06–15:31 on the 26th, 13:06–15:30 on the 27th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 25 of 145 minutes on the 26th and 144 of 144 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 219 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Fuzhou, 1916: Wednesday 27 September.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalaya-amavasya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Mahalaya amavasya (aparahnavyapini)"
          }
        ],
        "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.",
        "kaala": "aparahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-27",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-27",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Mahālaya Amāvāsyā 1916 falls on Wednesday 27 September. Amāvasyā runs from 15:06 on Tue 26 Sep to 15:34 on Wed 27 Sep and covers all of aparāhṇa that afternoon. It also reaches the previous afternoon for 25 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 39 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/mahalaya-amavasya",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11554,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1916-09-27T15:33:42+08:00",
          "utc": "1916-09-27T07:33:42Z",
          "ms": -1680798377600.2764
        },
        "end": {
          "local": "1916-09-28T15:29:58+08:00",
          "utc": "1916-09-28T07:29:58Z",
          "ms": -1680712201877.8987
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-27T15:33:42+08:00",
          "utc": "1916-09-27T07:33:42Z",
          "ms": -1680798377600.2764
        },
        "end": {
          "local": "1916-09-28T15:29:58+08:00",
          "utc": "1916-09-28T07:29:58Z",
          "ms": -1680712201877.8987
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-09-27",
          "window": {
            "start": {
              "local": "1916-09-27T11:29:45+08:00",
              "utc": "1916-09-27T03:29:45Z",
              "ms": -1680813015425.921
            },
            "end": {
              "local": "1916-09-27T12:17:45+08:00",
              "utc": "1916-09-27T04:17:45Z",
              "ms": -1680810135425.921
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-09-28",
          "window": {
            "start": {
              "local": "1916-09-28T11:29:25+08:00",
              "utc": "1916-09-28T03:29:25Z",
              "ms": -1680726635496.99
            },
            "end": {
              "local": "1916-09-28T12:17:25+08:00",
              "utc": "1916-09-28T04:17:25Z",
              "ms": -1680723755496.99
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 15:34 on Wed 27 Sep to 15:30 on Thu 28 Sep.",
          "fact": "1916-09-27T07:33:42Z → 1916-09-28T07:29:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 27th, 11:29–12:17 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11554 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Fuzhou, 1916: Thursday 28 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Navratri) 1916 falls on Thursday 28 September. Pratipadā runs from 15:34 on Wed 27 Sep to 15:30 on Thu 28 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/navaratra-arambha",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-10-01",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2241,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-09-30T14:05:34+08:00",
          "utc": "1916-09-30T06:05:34Z",
          "ms": -1680544466228.1426
        },
        "end": {
          "local": "1916-10-01T12:53:46+08:00",
          "utc": "1916-10-01T04:53:46Z",
          "ms": -1680462373662.9436
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-09-30T14:05:34+08:00",
          "utc": "1916-09-30T06:05:34Z",
          "ms": -1680544466228.1426
        },
        "end": {
          "local": "1916-10-01T12:53:46+08:00",
          "utc": "1916-10-01T04:53:46Z",
          "ms": -1680462373662.9436
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-09-30",
          "window": {
            "start": {
              "local": "1916-09-30T11:28:45+08:00",
              "utc": "1916-09-30T03:28:45Z",
              "ms": -1680553874964.5776
            },
            "end": {
              "local": "1916-09-30T12:16:45+08:00",
              "utc": "1916-09-30T04:16:45Z",
              "ms": -1680550994964.5776
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-10-01",
          "window": {
            "start": {
              "local": "1916-10-01T11:28:26+08:00",
              "utc": "1916-10-01T03:28:26Z",
              "ms": -1680467494327.5183
            },
            "end": {
              "local": "1916-10-01T12:16:26+08:00",
              "utc": "1916-10-01T04:16:26Z",
              "ms": -1680464614327.5183
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 14:06 on Sat 30 Sep to 12:54 on Sun 1 Oct.",
          "fact": "1916-09-30T06:05:34Z → 1916-10-01T04:53:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 30th, 11:28–12:16 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2241 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Sunday 1 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Sunday 1 October. Caturthī runs from 14:06 on Sat 30 Sep to 12:54 on Sun 1 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-10-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4500,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1916-10-03T09:48:16+08:00",
          "utc": "1916-10-03T01:48:16Z",
          "ms": -1680300704288.5198
        },
        "end": {
          "local": "1916-10-04T07:58:40+08:00",
          "utc": "1916-10-03T23:58:40Z",
          "ms": -1680220880395.915
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-03T09:48:16+08:00",
          "utc": "1916-10-03T01:48:16Z",
          "ms": -1680300704288.5198
        },
        "end": {
          "local": "1916-10-04T07:58:40+08:00",
          "utc": "1916-10-03T23:58:40Z",
          "ms": -1680220880395.915
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "1916-10-03",
          "window": {
            "start": {
              "local": "1916-10-03T05:55:51+08:00",
              "utc": "1916-10-02T21:55:51Z",
              "ms": -1680314649126.9753
            },
            "end": {
              "local": "1916-10-03T06:43:18+08:00",
              "utc": "1916-10-02T22:43:18Z",
              "ms": -1680311801540.246
            }
          },
          "covered_min": 0,
          "window_min": 47,
          "qualifies": false
        },
        {
          "local_date": "1916-10-04",
          "window": {
            "start": {
              "local": "1916-10-04T05:56:18+08:00",
              "utc": "1916-10-03T21:56:18Z",
              "ms": -1680228222171.3105
            },
            "end": {
              "local": "1916-10-04T06:43:39+08:00",
              "utc": "1916-10-03T22:43:39Z",
              "ms": -1680225380645.4192
            }
          },
          "covered_min": 47,
          "window_min": 47,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 09:48 on Tue 3 Oct to 07:59 on Wed 4 Oct.",
          "fact": "1916-10-03T01:48:16Z → 1916-10-03T23:58:40Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:56–06:43 on the 3rd, 05:56–06:44 on the 4th.",
          "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 47 minutes on the 3rd and 47 of 47 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 4500 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Fuzhou, 1916: Wednesday 4 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise"
          }
        ],
        "kaala": "udaya-1",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Saptamī 1916 falls on Wednesday 4 October. Saptamī runs from 09:48 on Tue 3 Oct to 07:59 on Wed 4 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/durga-saptami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12530,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-10-04T07:58:40+08:00",
          "utc": "1916-10-03T23:58:40Z",
          "ms": -1680220880395.915
        },
        "end": {
          "local": "1916-10-05T05:59:27+08:00",
          "utc": "1916-10-04T21:59:27Z",
          "ms": -1680141632726.94
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-04T07:58:40+08:00",
          "utc": "1916-10-03T23:58:40Z",
          "ms": -1680220880395.915
        },
        "end": {
          "local": "1916-10-05T05:59:27+08:00",
          "utc": "1916-10-04T21:59:27Z",
          "ms": -1680141632726.94
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-10-04",
          "window": {
            "start": {
              "local": "1916-10-04T11:27:29+08:00",
              "utc": "1916-10-04T03:27:29Z",
              "ms": -1680208350727.1252
            },
            "end": {
              "local": "1916-10-04T12:15:29+08:00",
              "utc": "1916-10-04T04:15:29Z",
              "ms": -1680205470727.1252
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-10-05",
          "window": {
            "start": {
              "local": "1916-10-05T11:27:11+08:00",
              "utc": "1916-10-05T03:27:11Z",
              "ms": -1680121968903.678
            },
            "end": {
              "local": "1916-10-05T12:15:11+08:00",
              "utc": "1916-10-05T04:15:11Z",
              "ms": -1680119088903.678
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 07:59 on Wed 4 Oct to 05:59 on Thu 5 Oct.",
          "fact": "1916-10-03T23:58:40Z → 1916-10-04T21:59:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 4th, 11:27–12:15 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12530 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Fuzhou, 1916: Wednesday 4 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Mahastami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 1916 falls on Wednesday 4 October. Aṣṭamī runs from 07:59 on Wed 4 Oct to 05:59 on Thu 5 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/mahashtami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19664,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1916-10-05T05:59:27+08:00",
          "utc": "1916-10-04T21:59:27Z",
          "ms": -1680141632726.94
        },
        "end": {
          "local": "1916-10-06T03:51:43+08:00",
          "utc": "1916-10-05T19:51:43Z",
          "ms": -1680062896570.3835
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-05T05:59:27+08:00",
          "utc": "1916-10-04T21:59:27Z",
          "ms": -1680141632726.94
        },
        "end": {
          "local": "1916-10-06T03:51:43+08:00",
          "utc": "1916-10-05T19:51:43Z",
          "ms": -1680062896570.3835
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-10-05",
          "window": {
            "start": {
              "local": "1916-10-05T11:27:11+08:00",
              "utc": "1916-10-05T03:27:11Z",
              "ms": -1680121968903.678
            },
            "end": {
              "local": "1916-10-05T12:15:11+08:00",
              "utc": "1916-10-05T04:15:11Z",
              "ms": -1680119088903.678
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-10-06",
          "window": {
            "start": {
              "local": "1916-10-06T11:26:53+08:00",
              "utc": "1916-10-06T03:26:53Z",
              "ms": -1680035586736.437
            },
            "end": {
              "local": "1916-10-06T12:14:53+08:00",
              "utc": "1916-10-06T04:14:53Z",
              "ms": -1680032706736.437
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 05:59 on Thu 5 Oct to 03:52 on Fri 6 Oct.",
          "fact": "1916-10-04T21:59:27Z → 1916-10-05T19:51:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 5th, 11:27–12:15 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 19664 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Fuzhou, 1916: Thursday 5 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahanavami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahānavamī 1916 falls on Thursday 5 October. Navamī runs from 05:59 on Thu 5 Oct to 03:52 on Fri 6 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/mahanavami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7472,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "1916-10-06T03:51:43+08:00",
          "utc": "1916-10-05T19:51:43Z",
          "ms": -1680062896570.3835
        },
        "end": {
          "local": "1916-10-07T01:37:06+08:00",
          "utc": "1916-10-06T17:37:06Z",
          "ms": -1679984574019.97
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "1916-10-06T08:01:44+08:00",
          "utc": "1916-10-06T00:01:44Z",
          "ms": -1680047895672.8008
        },
        "end": {
          "local": "1916-10-07T01:37:06+08:00",
          "utc": "1916-10-06T17:37:06Z",
          "ms": -1679984574019.97
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "1916-10-06T08:01:44+08:00",
            "utc": "1916-10-06T00:01:44Z",
            "ms": -1680047895672.8008
          },
          "end": {
            "local": "1916-10-07T06:30:28+08:00",
            "utc": "1916-10-06T22:30:28Z",
            "ms": -1679966972449.7595
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "1916-10-06",
          "window": {
            "start": {
              "local": "1916-10-06T05:57:13+08:00",
              "utc": "1916-10-05T21:57:13Z",
              "ms": -1680055367478.7566
            },
            "end": {
              "local": "1916-10-06T17:44:34+08:00",
              "utc": "1916-10-06T09:44:34Z",
              "ms": -1680012925994.1174
            }
          },
          "covered_min": 583,
          "window_min": 707,
          "qualifies": true
        },
        {
          "local_date": "1916-10-07",
          "window": {
            "start": {
              "local": "1916-10-07T05:57:40+08:00",
              "utc": "1916-10-06T21:57:40Z",
              "ms": -1679968939716.595
            },
            "end": {
              "local": "1916-10-07T17:43:31+08:00",
              "utc": "1916-10-07T09:43:31Z",
              "ms": -1679926588692.7734
            }
          },
          "covered_min": 0,
          "window_min": 706,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 03:52 on Fri 6 Oct to 01:37 on Sat 7 Oct, and Śravaṇa from 08:02 on Fri 6 Oct to 06:30 on Sat 7 Oct. They are together from 08:02 on Fri 6 Oct to 01:37 on Sat 7 Oct.",
          "fact": "1916-10-06T00:01:44Z → 1916-10-06T17:37:06Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 05:57–17:45 on the 6th, 05:58–17:44 on the 7th.",
          "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 583 of 707 minutes on the 6th and 0 of 706 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one day qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7472 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Fuzhou, 1916: Friday 6 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vijaya-dashami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day",
        "conjunction": {
          "nakshatra": "Śravaṇa",
          "kaala": "daytime"
        }
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 1916 falls on Friday 6 October. Daśamī runs from 03:52 on Fri 6 Oct to 01:37 on Sat 7 Oct and is with Śravaṇa in the day time that day, for 583 minutes.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vijaya-dashami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-10-07",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15634,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-10-07T01:37:06+08:00",
          "utc": "1916-10-06T17:37:06Z",
          "ms": -1679984574019.97
        },
        "end": {
          "local": "1916-10-07T23:18:15+08:00",
          "utc": "1916-10-07T15:18:15Z",
          "ms": -1679906505172.4685
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-07T01:37:06+08:00",
          "utc": "1916-10-06T17:37:06Z",
          "ms": -1679984574019.97
        },
        "end": {
          "local": "1916-10-07T23:18:15+08:00",
          "utc": "1916-10-07T15:18:15Z",
          "ms": -1679906505172.4685
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-10-07",
          "window": {
            "start": {
              "local": "1916-10-07T05:57:40+08:00",
              "utc": "1916-10-06T21:57:40Z",
              "ms": -1679968939716.595
            },
            "end": {
              "local": "1916-10-07T05:57:40+08:00",
              "utc": "1916-10-06T21:57:40Z",
              "ms": -1679968939716.595
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-10-08",
          "window": {
            "start": {
              "local": "1916-10-08T05:58:08+08:00",
              "utc": "1916-10-07T21:58:08Z",
              "ms": -1679882511658.3386
            },
            "end": {
              "local": "1916-10-08T05:58:08+08:00",
              "utc": "1916-10-07T21:58:08Z",
              "ms": -1679882511658.3386
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:37 on Sat 7 Oct to 23:18 on Sat 7 Oct.",
          "fact": "1916-10-06T17:37:06Z → 1916-10-07T15:18:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:58 on the 7th and 05:58 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 15634 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 1916: Saturday 7 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 1916 falls on Saturday 7 October. Ekādaśī runs from 01:37 on Sat 7 Oct to 23:18 on Sat 7 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-10-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-10-09",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2072,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-10-08T20:59:10+08:00",
          "utc": "1916-10-08T12:59:10Z",
          "ms": -1679828449999.2551
        },
        "end": {
          "local": "1916-10-09T18:45:16+08:00",
          "utc": "1916-10-09T10:45:16Z",
          "ms": -1679750083603.3455
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-08T20:59:10+08:00",
          "utc": "1916-10-08T12:59:10Z",
          "ms": -1679828449999.2551
        },
        "end": {
          "local": "1916-10-09T18:45:16+08:00",
          "utc": "1916-10-09T10:45:16Z",
          "ms": -1679750083603.3455
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-10-08",
          "window": {
            "start": {
              "local": "1916-10-08T17:42:29+08:00",
              "utc": "1916-10-08T09:42:29Z",
              "ms": -1679840250915.115
            },
            "end": {
              "local": "1916-10-08T19:20:38+08:00",
              "utc": "1916-10-08T11:20:38Z",
              "ms": -1679834361898.2292
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        },
        {
          "local_date": "1916-10-09",
          "window": {
            "start": {
              "local": "1916-10-09T17:41:27+08:00",
              "utc": "1916-10-09T09:41:27Z",
              "ms": -1679753912631.5745
            },
            "end": {
              "local": "1916-10-09T19:19:48+08:00",
              "utc": "1916-10-09T11:19:48Z",
              "ms": -1679748011559.459
            }
          },
          "covered_min": 64,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:59 on Sun 8 Oct to 18:45 on Mon 9 Oct.",
          "fact": "1916-10-08T12:59:10Z → 1916-10-09T10:45:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:21 on the 8th, 17:41–19:20 on the 9th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 8th and 64 of 98 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2072 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Monday 9 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Monday 9 October. Trayodaśī runs from 20:59 on Sun 8 Oct to 18:45 on Mon 9 Oct and covers 64 of 98 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-10-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23123,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-10-14T13:05:17+08:00",
          "utc": "1916-10-14T05:05:17Z",
          "ms": -1679338482867.8184
        },
        "end": {
          "local": "1916-10-15T13:49:18+08:00",
          "utc": "1916-10-15T05:49:18Z",
          "ms": -1679249442370.7341
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-14T13:05:17+08:00",
          "utc": "1916-10-14T05:05:17Z",
          "ms": -1679338482867.8184
        },
        "end": {
          "local": "1916-10-15T13:49:18+08:00",
          "utc": "1916-10-15T05:49:18Z",
          "ms": -1679249442370.7341
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-10-14",
          "window": {
            "start": {
              "local": "1916-10-14T19:30:40+08:00",
              "utc": "1916-10-14T11:30:40Z",
              "ms": -1679315360178.2498
            },
            "end": {
              "local": "1916-10-14T19:30:40+08:00",
              "utc": "1916-10-14T11:30:40Z",
              "ms": -1679315360178.2498
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-10-15",
          "window": {
            "start": {
              "local": "1916-10-15T20:19:41+08:00",
              "utc": "1916-10-15T12:19:41Z",
              "ms": -1679226019472.7903
            },
            "end": {
              "local": "1916-10-15T20:19:41+08:00",
              "utc": "1916-10-15T12:19:41Z",
              "ms": -1679226019472.7903
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:05 on Sat 14 Oct to 13:49 on Sun 15 Oct.",
          "fact": "1916-10-14T05:05:17Z → 1916-10-15T05:49:18Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:31 on the 14th and 20:20 on the 15th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 23123 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Fuzhou, 1916: Saturday 14 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "karaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 1916 falls on Saturday 14 October. Caturthī runs from 13:05 on Sat 14 Oct to 13:49 on Sun 15 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/karaka-chaturthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-10-14",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23123,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-10-14T13:05:17+08:00",
          "utc": "1916-10-14T05:05:17Z",
          "ms": -1679338482867.8184
        },
        "end": {
          "local": "1916-10-15T13:49:18+08:00",
          "utc": "1916-10-15T05:49:18Z",
          "ms": -1679249442370.7341
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-14T13:05:17+08:00",
          "utc": "1916-10-14T05:05:17Z",
          "ms": -1679338482867.8184
        },
        "end": {
          "local": "1916-10-15T13:49:18+08:00",
          "utc": "1916-10-15T05:49:18Z",
          "ms": -1679249442370.7341
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-10-14",
          "window": {
            "start": {
              "local": "1916-10-14T19:30:40+08:00",
              "utc": "1916-10-14T11:30:40Z",
              "ms": -1679315360178.2498
            },
            "end": {
              "local": "1916-10-14T19:30:40+08:00",
              "utc": "1916-10-14T11:30:40Z",
              "ms": -1679315360178.2498
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-10-15",
          "window": {
            "start": {
              "local": "1916-10-15T20:19:41+08:00",
              "utc": "1916-10-15T12:19:41Z",
              "ms": -1679226019472.7903
            },
            "end": {
              "local": "1916-10-15T20:19:41+08:00",
              "utc": "1916-10-15T12:19:41Z",
              "ms": -1679226019472.7903
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:05 on Sat 14 Oct to 13:49 on Sun 15 Oct.",
          "fact": "1916-10-14T05:05:17Z → 1916-10-15T05:49:18Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:31 on the 14th and 20:20 on the 15th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23123 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Saturday 14 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Saturday 14 October. Caturthī runs from 13:05 on Sat 14 Oct to 13:49 on Sun 15 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-10-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5118,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-10-18T19:48:45+08:00",
          "utc": "1916-10-18T11:48:45Z",
          "ms": -1678968674702.0356
        },
        "end": {
          "local": "1916-10-19T22:28:21+08:00",
          "utc": "1916-10-19T14:28:21Z",
          "ms": -1678872698648.5361
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-18T19:48:45+08:00",
          "utc": "1916-10-18T11:48:45Z",
          "ms": -1678968674702.0356
        },
        "end": {
          "local": "1916-10-19T22:28:21+08:00",
          "utc": "1916-10-19T14:28:21Z",
          "ms": -1678872698648.5361
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-10-18",
          "window": {
            "start": {
              "local": "1916-10-18T22:59:38+08:00",
              "utc": "1916-10-18T14:59:38Z",
              "ms": -1678957221559.8713
            },
            "end": {
              "local": "1916-10-18T22:59:38+08:00",
              "utc": "1916-10-18T14:59:38Z",
              "ms": -1678957221559.8713
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-10-19",
          "window": {
            "start": {
              "local": "1916-10-19T23:53:39+08:00",
              "utc": "1916-10-19T15:53:39Z",
              "ms": -1678867580858.8591
            },
            "end": {
              "local": "1916-10-19T23:53:39+08:00",
              "utc": "1916-10-19T15:53:39Z",
              "ms": -1678867580858.8591
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 19:49 on Wed 18 Oct to 22:28 on Thu 19 Oct.",
          "fact": "1916-10-18T11:48:45Z → 1916-10-19T14:28:21Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:00 on the 18th and 23:54 on the 19th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 18th and is not on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5118 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Fuzhou, 1916: Wednesday 18 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ahoyi-ashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ahoyī Aṣṭamī 1916 falls on Wednesday 18 October. Aṣṭamī runs from 19:49 on Wed 18 Oct to 22:28 on Thu 19 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ahoyi-ashtami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-10-22",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4521,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-10-22T03:12:58+08:00",
          "utc": "1916-10-21T19:12:58Z",
          "ms": -1678682821515.3147
        },
        "end": {
          "local": "1916-10-23T04:50:34+08:00",
          "utc": "1916-10-22T20:50:34Z",
          "ms": -1678590565968.7175
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-22T03:12:58+08:00",
          "utc": "1916-10-21T19:12:58Z",
          "ms": -1678682821515.3147
        },
        "end": {
          "local": "1916-10-23T04:50:34+08:00",
          "utc": "1916-10-22T20:50:34Z",
          "ms": -1678590565968.7175
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-10-22",
          "window": {
            "start": {
              "local": "1916-10-22T06:05:21+08:00",
              "utc": "1916-10-21T22:05:21Z",
              "ms": -1678672479479.0425
            },
            "end": {
              "local": "1916-10-22T06:05:21+08:00",
              "utc": "1916-10-21T22:05:21Z",
              "ms": -1678672479479.0425
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-10-23",
          "window": {
            "start": {
              "local": "1916-10-23T06:05:55+08:00",
              "utc": "1916-10-22T22:05:55Z",
              "ms": -1678586045361.4814
            },
            "end": {
              "local": "1916-10-23T06:05:55+08:00",
              "utc": "1916-10-22T22:05:55Z",
              "ms": -1678586045361.4814
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:13 on Sun 22 Oct to 04:51 on Mon 23 Oct.",
          "fact": "1916-10-21T19:12:58Z → 1916-10-22T20:50:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:05 on the 22nd and 06:06 on the 23rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 4521 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Fuzhou, 1916: Sunday 22 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ramā Ekādaśī 1916 falls on Sunday 22 October. Ekādaśī runs from 03:13 on Sun 22 Oct to 04:51 on Mon 23 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-10-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34835,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1916-10-23T04:50:34+08:00",
          "utc": "1916-10-22T20:50:34Z",
          "ms": -1678590565968.7175
        },
        "end": {
          "local": "1916-10-24T05:47:33+08:00",
          "utc": "1916-10-23T21:47:33Z",
          "ms": -1678500746949.469
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-23T04:50:34+08:00",
          "utc": "1916-10-22T20:50:34Z",
          "ms": -1678590565968.7175
        },
        "end": {
          "local": "1916-10-24T05:47:33+08:00",
          "utc": "1916-10-23T21:47:33Z",
          "ms": -1678500746949.469
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-10-22",
          "window": {
            "start": {
              "local": "1916-10-22T17:29:05+08:00",
              "utc": "1916-10-22T09:29:05Z",
              "ms": -1678631455247.1409
            },
            "end": {
              "local": "1916-10-22T19:09:59+08:00",
              "utc": "1916-10-22T11:09:59Z",
              "ms": -1678625400595.7197
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        },
        {
          "local_date": "1916-10-23",
          "window": {
            "start": {
              "local": "1916-10-23T17:28:13+08:00",
              "utc": "1916-10-23T09:28:13Z",
              "ms": -1678545106763.3118
            },
            "end": {
              "local": "1916-10-23T19:09:19+08:00",
              "utc": "1916-10-23T11:09:19Z",
              "ms": -1678539040632.2864
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 04:51 on Mon 23 Oct to 05:48 on Tue 24 Oct.",
          "fact": "1916-10-22T20:50:34Z → 1916-10-23T21:47:33Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:29–19:10 on the 22nd, 17:28–19:09 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 22nd and 101 of 101 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34835 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Fuzhou, 1916: Monday 23 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govatsa-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 1916 falls on Monday 23 October. Dvādaśī runs from 04:51 on Mon 23 Oct to 05:48 on Tue 24 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/govatsa-dvadashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38294,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-10-24T05:47:33+08:00",
          "utc": "1916-10-23T21:47:33Z",
          "ms": -1678500746949.469
        },
        "end": {
          "local": "1916-10-25T06:02:09+08:00",
          "utc": "1916-10-24T22:02:09Z",
          "ms": -1678413471417.313
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-24T05:47:33+08:00",
          "utc": "1916-10-23T21:47:33Z",
          "ms": -1678500746949.469
        },
        "end": {
          "local": "1916-10-25T06:02:09+08:00",
          "utc": "1916-10-24T22:02:09Z",
          "ms": -1678413471417.313
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-10-23",
          "window": {
            "start": {
              "local": "1916-10-23T17:28:13+08:00",
              "utc": "1916-10-23T09:28:13Z",
              "ms": -1678545106763.3118
            },
            "end": {
              "local": "1916-10-23T19:09:19+08:00",
              "utc": "1916-10-23T11:09:19Z",
              "ms": -1678539040632.2864
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        },
        {
          "local_date": "1916-10-24",
          "window": {
            "start": {
              "local": "1916-10-24T17:27:23+08:00",
              "utc": "1916-10-24T09:27:23Z",
              "ms": -1678458757342.1692
            },
            "end": {
              "local": "1916-10-24T19:08:40+08:00",
              "utc": "1916-10-24T11:08:40Z",
              "ms": -1678452679794.7312
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:48 on Tue 24 Oct to 06:02 on Wed 25 Oct.",
          "fact": "1916-10-23T21:47:33Z → 1916-10-24T22:02:09Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:28–19:09 on the 23rd, 17:27–19:09 on the 24th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 23rd and 101 of 101 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 38294 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Fuzhou, 1916: Tuesday 24 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dipadana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 13 Yama dipadana (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Dīpadāna 1916 falls on Tuesday 24 October. Trayodaśī runs from 05:48 on Tue 24 Oct to 06:02 on Wed 25 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/yama-dipadana",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-10-24",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38294,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-10-24T05:47:33+08:00",
          "utc": "1916-10-23T21:47:33Z",
          "ms": -1678500746949.469
        },
        "end": {
          "local": "1916-10-25T06:02:09+08:00",
          "utc": "1916-10-24T22:02:09Z",
          "ms": -1678413471417.313
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-24T05:47:33+08:00",
          "utc": "1916-10-23T21:47:33Z",
          "ms": -1678500746949.469
        },
        "end": {
          "local": "1916-10-25T06:02:09+08:00",
          "utc": "1916-10-24T22:02:09Z",
          "ms": -1678413471417.313
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-10-23",
          "window": {
            "start": {
              "local": "1916-10-23T17:28:13+08:00",
              "utc": "1916-10-23T09:28:13Z",
              "ms": -1678545106763.3118
            },
            "end": {
              "local": "1916-10-23T19:09:19+08:00",
              "utc": "1916-10-23T11:09:19Z",
              "ms": -1678539040632.2864
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        },
        {
          "local_date": "1916-10-24",
          "window": {
            "start": {
              "local": "1916-10-24T17:27:23+08:00",
              "utc": "1916-10-24T09:27:23Z",
              "ms": -1678458757342.1692
            },
            "end": {
              "local": "1916-10-24T19:08:40+08:00",
              "utc": "1916-10-24T11:08:40Z",
              "ms": -1678452679794.7312
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:48 on Tue 24 Oct to 06:02 on Wed 25 Oct.",
          "fact": "1916-10-23T21:47:33Z → 1916-10-24T22:02:09Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:28–19:09 on the 23rd, 17:27–19:09 on the 24th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 101 minutes on the 23rd and 101 of 101 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 38294 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Tuesday 24 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Tuesday 24 October. Trayodaśī runs from 05:48 on Tue 24 Oct to 06:02 on Wed 25 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-10-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-25",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 296,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-10-25T06:02:09+08:00",
          "utc": "1916-10-24T22:02:09Z",
          "ms": -1678413471417.313
        },
        "end": {
          "local": "1916-10-26T05:36:45+08:00",
          "utc": "1916-10-25T21:36:45Z",
          "ms": -1678328594996.6902
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-25T06:02:09+08:00",
          "utc": "1916-10-24T22:02:09Z",
          "ms": -1678413471417.313
        },
        "end": {
          "local": "1916-10-26T05:36:45+08:00",
          "utc": "1916-10-25T21:36:45Z",
          "ms": -1678328594996.6902
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1916-10-25",
          "window": {
            "start": {
              "local": "1916-10-25T04:25:47+08:00",
              "utc": "1916-10-24T20:25:47Z",
              "ms": -1678419253283.822
            },
            "end": {
              "local": "1916-10-25T06:07:04+08:00",
              "utc": "1916-10-24T22:07:04Z",
              "ms": -1678413175736.384
            }
          },
          "covered_min": 5,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "1916-10-26",
          "window": {
            "start": {
              "local": "1916-10-26T04:26:11+08:00",
              "utc": "1916-10-25T20:26:11Z",
              "ms": -1678332829127.399
            },
            "end": {
              "local": "1916-10-26T06:07:40+08:00",
              "utc": "1916-10-25T22:07:40Z",
              "ms": -1678326740230.221
            }
          },
          "covered_min": 71,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:02 on Wed 25 Oct to 05:37 on Thu 26 Oct.",
          "fact": "1916-10-24T22:02:09Z → 1916-10-25T21:36:45Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:26–06:07 on the 25th, 04:26–06:08 on the 26th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 5 of 101 minutes on the 25th and 71 of 101 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both dawns qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 296 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Fuzhou, 1916: Wednesday 25 October.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naraka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-25",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 1916 falls on Wednesday 25 October. Caturdaśī runs from 06:02 on Wed 25 Oct to 05:37 on Thu 26 Oct and covers 5 of 101 minutes of aruṇodaya that dawn. It also reaches the next dawn for 71 minutes; by the rule the first dawn is taken. It is 4 min 56 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/naraka-chaturdashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-10-25",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19539,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-10-25T06:02:09+08:00",
          "utc": "1916-10-24T22:02:09Z",
          "ms": -1678413471417.313
        },
        "end": {
          "local": "1916-10-26T05:36:45+08:00",
          "utc": "1916-10-25T21:36:45Z",
          "ms": -1678328594996.6902
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-25T06:02:09+08:00",
          "utc": "1916-10-24T22:02:09Z",
          "ms": -1678413471417.313
        },
        "end": {
          "local": "1916-10-26T05:36:45+08:00",
          "utc": "1916-10-25T21:36:45Z",
          "ms": -1678328594996.6902
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-10-24",
          "window": {
            "start": {
              "local": "1916-10-24T23:23:13+08:00",
              "utc": "1916-10-24T15:23:13Z",
              "ms": -1678437406539.2766
            },
            "end": {
              "local": "1916-10-25T00:11:13+08:00",
              "utc": "1916-10-24T16:11:13Z",
              "ms": -1678434526539.2766
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-10-25",
          "window": {
            "start": {
              "local": "1916-10-25T23:23:06+08:00",
              "utc": "1916-10-25T15:23:06Z",
              "ms": -1678351013594.6387
            },
            "end": {
              "local": "1916-10-26T00:11:06+08:00",
              "utc": "1916-10-25T16:11:06Z",
              "ms": -1678348133594.6387
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:02 on Wed 25 Oct to 05:37 on Thu 26 Oct.",
          "fact": "1916-10-24T22:02:09Z → 1916-10-25T21:36:45Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 24th, 23:23–00:11 on the 25th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19539 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Wednesday 25 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Wednesday 25 October. Caturdaśī runs from 06:02 on Wed 25 Oct to 05:37 on Thu 26 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-10-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34157,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1916-10-26T05:36:45+08:00",
          "utc": "1916-10-25T21:36:45Z",
          "ms": -1678328594996.6902
        },
        "end": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-26T05:36:45+08:00",
          "utc": "1916-10-25T21:36:45Z",
          "ms": -1678328594996.6902
        },
        "end": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-10-25",
          "window": {
            "start": {
              "local": "1916-10-25T17:26:33+08:00",
              "utc": "1916-10-25T09:26:33Z",
              "ms": -1678372406959.0562
            },
            "end": {
              "local": "1916-10-25T19:08:02+08:00",
              "utc": "1916-10-25T11:08:02Z",
              "ms": -1678366318061.8782
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        },
        {
          "local_date": "1916-10-26",
          "window": {
            "start": {
              "local": "1916-10-26T17:25:44+08:00",
              "utc": "1916-10-26T09:25:44Z",
              "ms": -1678286055590.239
            },
            "end": {
              "local": "1916-10-26T19:07:25+08:00",
              "utc": "1916-10-26T11:07:25Z",
              "ms": -1678279955413.5598
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 05:37 on Thu 26 Oct to 04:37 on Fri 27 Oct.",
          "fact": "1916-10-25T21:36:45Z → 1916-10-26T20:36:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:27–19:08 on the 25th, 17:26–19:07 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 101 minutes on the 25th and 102 of 102 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34157 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Fuzhou, 1916: Thursday 26 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "diwali-lakshmi-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 1916 falls on Thursday 26 October. Amāvasyā runs from 05:37 on Thu 26 Oct to 04:37 on Fri 27 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/diwali-lakshmi-puja",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15941,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1916-10-26T05:36:45+08:00",
          "utc": "1916-10-25T21:36:45Z",
          "ms": -1678328594996.6902
        },
        "end": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-26T05:36:45+08:00",
          "utc": "1916-10-25T21:36:45Z",
          "ms": -1678328594996.6902
        },
        "end": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-10-25",
          "window": {
            "start": {
              "local": "1916-10-25T23:23:06+08:00",
              "utc": "1916-10-25T15:23:06Z",
              "ms": -1678351013594.6387
            },
            "end": {
              "local": "1916-10-26T00:11:06+08:00",
              "utc": "1916-10-25T16:11:06Z",
              "ms": -1678348133594.6387
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-10-26",
          "window": {
            "start": {
              "local": "1916-10-26T23:23:00+08:00",
              "utc": "1916-10-26T15:23:00Z",
              "ms": -1678264619927.6924
            },
            "end": {
              "local": "1916-10-27T00:11:00+08:00",
              "utc": "1916-10-26T16:11:00Z",
              "ms": -1678261739927.6924
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 05:37 on Thu 26 Oct to 04:37 on Fri 27 Oct.",
          "fact": "1916-10-25T21:36:45Z → 1916-10-26T20:36:41Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 25th, 23:23–00:11 on the 26th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15941 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Fuzhou, 1916: Thursday 26 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kālī Pūjā 1916 falls on Thursday 26 October. Amāvasyā runs from 05:37 on Thu 26 Oct to 04:37 on Fri 27 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/kali-puja",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24355,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        },
        "end": {
          "local": "1916-10-28T03:08:55+08:00",
          "utc": "1916-10-27T19:08:55Z",
          "ms": -1678164665160.7976
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        },
        "end": {
          "local": "1916-10-28T03:08:55+08:00",
          "utc": "1916-10-27T19:08:55Z",
          "ms": -1678164665160.7976
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-10-27",
          "window": {
            "start": {
              "local": "1916-10-27T11:22:36+08:00",
              "utc": "1916-10-27T03:22:36Z",
              "ms": -1678221443739.0151
            },
            "end": {
              "local": "1916-10-27T12:10:36+08:00",
              "utc": "1916-10-27T04:10:36Z",
              "ms": -1678218563739.0151
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-10-28",
          "window": {
            "start": {
              "local": "1916-10-28T11:22:31+08:00",
              "utc": "1916-10-28T03:22:31Z",
              "ms": -1678135048825.3135
            },
            "end": {
              "local": "1916-10-28T12:10:31+08:00",
              "utc": "1916-10-28T04:10:31Z",
              "ms": -1678132168825.3135
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 04:37 on Fri 27 Oct to 03:09 on Sat 28 Oct.",
          "fact": "1916-10-26T20:36:41Z → 1916-10-27T19:08:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 27th, 11:23–12:11 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 24355 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Fuzhou, 1916: Friday 27 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govardhana-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govardhana Pūjā 1916 falls on Friday 27 October. Pratipadā runs from 04:37 on Fri 27 Oct to 03:09 on Sat 28 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/govardhana-puja",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28927,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        },
        "end": {
          "local": "1916-10-28T03:08:55+08:00",
          "utc": "1916-10-27T19:08:55Z",
          "ms": -1678164665160.7976
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        },
        "end": {
          "local": "1916-10-28T03:08:55+08:00",
          "utc": "1916-10-27T19:08:55Z",
          "ms": -1678164665160.7976
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-10-26",
          "window": {
            "start": {
              "local": "1916-10-26T17:25:44+08:00",
              "utc": "1916-10-26T09:25:44Z",
              "ms": -1678286055590.239
            },
            "end": {
              "local": "1916-10-26T19:07:25+08:00",
              "utc": "1916-10-26T11:07:25Z",
              "ms": -1678279955413.5598
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "1916-10-27",
          "window": {
            "start": {
              "local": "1916-10-27T17:24:57+08:00",
              "utc": "1916-10-27T09:24:57Z",
              "ms": -1678199703212.8845
            },
            "end": {
              "local": "1916-10-27T19:06:48+08:00",
              "utc": "1916-10-27T11:06:48Z",
              "ms": -1678193591830.5933
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 04:37 on Fri 27 Oct to 03:09 on Sat 28 Oct.",
          "fact": "1916-10-26T20:36:41Z → 1916-10-27T19:08:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:07 on the 26th, 17:25–19:07 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 0 of 102 minutes on the 26th and 102 of 102 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28927 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Fuzhou, 1916: Friday 27 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bali Pūjā 1916 falls on Friday 27 October. Pratipadā runs from 04:37 on Fri 27 Oct to 03:09 on Sat 28 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/bali-puja",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5494,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        },
        "end": {
          "local": "1916-10-28T03:08:55+08:00",
          "utc": "1916-10-27T19:08:55Z",
          "ms": -1678164665160.7976
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-27T04:36:41+08:00",
          "utc": "1916-10-26T20:36:41Z",
          "ms": -1678245798506.8271
        },
        "end": {
          "local": "1916-10-28T03:08:55+08:00",
          "utc": "1916-10-27T19:08:55Z",
          "ms": -1678164665160.7976
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1916-10-27",
          "window": {
            "start": {
              "local": "1916-10-27T06:08:16+08:00",
              "utc": "1916-10-26T22:08:16Z",
              "ms": -1678240304265.1455
            },
            "end": {
              "local": "1916-10-27T09:53:49+08:00",
              "utc": "1916-10-27T01:53:49Z",
              "ms": -1678226770581.0586
            }
          },
          "covered_min": 226,
          "window_min": 226,
          "qualifies": true
        },
        {
          "local_date": "1916-10-28",
          "window": {
            "start": {
              "local": "1916-10-28T06:08:52+08:00",
              "utc": "1916-10-27T22:08:52Z",
              "ms": -1678153867845.6995
            },
            "end": {
              "local": "1916-10-28T09:53:58+08:00",
              "utc": "1916-10-28T01:53:58Z",
              "ms": -1678140361832.1086
            }
          },
          "covered_min": 0,
          "window_min": 225,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 04:37 on Fri 27 Oct to 03:09 on Sat 28 Oct.",
          "fact": "1916-10-26T20:36:41Z → 1916-10-27T19:08:55Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:08–09:54 on the 27th, 06:09–09:54 on the 28th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 226 of 226 minutes on the 27th and 0 of 225 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5494 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Fuzhou, 1916: Friday 27 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dyuta-pratipad",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dyūta Pratipad 1916 falls on Friday 27 October. Pratipadā runs from 04:37 on Fri 27 Oct to 03:09 on Sat 28 Oct and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/dyuta-pratipad",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29616,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1916-10-28T03:08:55+08:00",
          "utc": "1916-10-27T19:08:55Z",
          "ms": -1678164665160.7976
        },
        "end": {
          "local": "1916-10-29T01:20:54+08:00",
          "utc": "1916-10-28T17:20:54Z",
          "ms": -1678084746330.3364
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-28T03:08:55+08:00",
          "utc": "1916-10-27T19:08:55Z",
          "ms": -1678164665160.7976
        },
        "end": {
          "local": "1916-10-29T01:20:54+08:00",
          "utc": "1916-10-28T17:20:54Z",
          "ms": -1678084746330.3364
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-10-28",
          "window": {
            "start": {
              "local": "1916-10-28T11:22:31+08:00",
              "utc": "1916-10-28T03:22:31Z",
              "ms": -1678135048825.3135
            },
            "end": {
              "local": "1916-10-28T12:10:31+08:00",
              "utc": "1916-10-28T04:10:31Z",
              "ms": -1678132168825.3135
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-10-29",
          "window": {
            "start": {
              "local": "1916-10-29T11:22:27+08:00",
              "utc": "1916-10-29T03:22:27Z",
              "ms": -1678048653161.3154
            },
            "end": {
              "local": "1916-10-29T12:10:27+08:00",
              "utc": "1916-10-29T04:10:27Z",
              "ms": -1678045773161.3154
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 03:09 on Sat 28 Oct to 01:21 on Sun 29 Oct.",
          "fact": "1916-10-27T19:08:55Z → 1916-10-28T17:20:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 28th, 11:22–12:10 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 29616 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Fuzhou, 1916: Saturday 28 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dvitiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 1916 falls on Saturday 28 October. Dvitīyā runs from 03:09 on Sat 28 Oct to 01:21 on Sun 29 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/yama-dvitiya",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32489,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-10-29T23:19:48+08:00",
          "utc": "1916-10-29T15:19:48Z",
          "ms": -1678005612239.2756
        },
        "end": {
          "local": "1916-10-30T21:11:52+08:00",
          "utc": "1916-10-30T13:11:52Z",
          "ms": -1677926887738.079
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-29T23:19:48+08:00",
          "utc": "1916-10-29T15:19:48Z",
          "ms": -1678005612239.2756
        },
        "end": {
          "local": "1916-10-30T21:11:52+08:00",
          "utc": "1916-10-30T13:11:52Z",
          "ms": -1677926887738.079
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-10-29",
          "window": {
            "start": {
              "local": "1916-10-29T11:22:27+08:00",
              "utc": "1916-10-29T03:22:27Z",
              "ms": -1678048653161.3154
            },
            "end": {
              "local": "1916-10-29T12:10:27+08:00",
              "utc": "1916-10-29T04:10:27Z",
              "ms": -1678045773161.3154
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-10-30",
          "window": {
            "start": {
              "local": "1916-10-30T11:22:23+08:00",
              "utc": "1916-10-30T03:22:23Z",
              "ms": -1677962256739.8623
            },
            "end": {
              "local": "1916-10-30T12:10:23+08:00",
              "utc": "1916-10-30T04:10:23Z",
              "ms": -1677959376739.8623
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:20 on Sun 29 Oct to 21:12 on Mon 30 Oct.",
          "fact": "1916-10-29T15:19:48Z → 1916-10-30T13:11:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 29th, 11:22–12:10 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 32489 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Fuzhou, 1916: Monday 30 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Caturthī 1916 falls on Monday 30 October. Caturthī runs from 23:20 on Sun 29 Oct to 21:12 on Mon 30 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/naga-chaturthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-10-30",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32489,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-10-29T23:19:48+08:00",
          "utc": "1916-10-29T15:19:48Z",
          "ms": -1678005612239.2756
        },
        "end": {
          "local": "1916-10-30T21:11:52+08:00",
          "utc": "1916-10-30T13:11:52Z",
          "ms": -1677926887738.079
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-29T23:19:48+08:00",
          "utc": "1916-10-29T15:19:48Z",
          "ms": -1678005612239.2756
        },
        "end": {
          "local": "1916-10-30T21:11:52+08:00",
          "utc": "1916-10-30T13:11:52Z",
          "ms": -1677926887738.079
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-10-29",
          "window": {
            "start": {
              "local": "1916-10-29T11:22:27+08:00",
              "utc": "1916-10-29T03:22:27Z",
              "ms": -1678048653161.3154
            },
            "end": {
              "local": "1916-10-29T12:10:27+08:00",
              "utc": "1916-10-29T04:10:27Z",
              "ms": -1678045773161.3154
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-10-30",
          "window": {
            "start": {
              "local": "1916-10-30T11:22:23+08:00",
              "utc": "1916-10-30T03:22:23Z",
              "ms": -1677962256739.8623
            },
            "end": {
              "local": "1916-10-30T12:10:23+08:00",
              "utc": "1916-10-30T04:10:23Z",
              "ms": -1677959376739.8623
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:20 on Sun 29 Oct to 21:12 on Mon 30 Oct.",
          "fact": "1916-10-29T15:19:48Z → 1916-10-30T13:11:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 29th, 11:22–12:10 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32489 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Monday 30 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-10-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Monday 30 October. Caturthī runs from 23:20 on Sun 29 Oct to 21:12 on Mon 30 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-10-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17027,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1916-10-31T19:02:06+08:00",
          "utc": "1916-10-31T11:02:06Z",
          "ms": -1677848273786.2927
        },
        "end": {
          "local": "1916-11-01T16:54:05+08:00",
          "utc": "1916-11-01T08:54:05Z",
          "ms": -1677769554521.1365
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-10-31T19:02:06+08:00",
          "utc": "1916-10-31T11:02:06Z",
          "ms": -1677848273786.2927
        },
        "end": {
          "local": "1916-11-01T16:54:05+08:00",
          "utc": "1916-11-01T08:54:05Z",
          "ms": -1677769554521.1365
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-10-31",
          "window": {
            "start": {
              "local": "1916-10-31T11:22:20+08:00",
              "utc": "1916-10-31T03:22:20Z",
              "ms": -1677875859554.0989
            },
            "end": {
              "local": "1916-10-31T12:10:20+08:00",
              "utc": "1916-10-31T04:10:20Z",
              "ms": -1677872979554.0989
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-11-01",
          "window": {
            "start": {
              "local": "1916-11-01T11:22:18+08:00",
              "utc": "1916-11-01T03:22:18Z",
              "ms": -1677789461597.1328
            },
            "end": {
              "local": "1916-11-01T12:10:18+08:00",
              "utc": "1916-11-01T04:10:18Z",
              "ms": -1677786581597.1328
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 19:02 on Tue 31 Oct to 16:54 on Wed 1 Nov.",
          "fact": "1916-10-31T11:02:06Z → 1916-11-01T08:54:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 31st, 11:22–12:10 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17027 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Fuzhou, 1916: Wednesday 1 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 1916 falls on Wednesday 1 November. Ṣaṣṭhī runs from 19:02 on Tue 31 Oct to 16:54 on Wed 1 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/surya-shashthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2491,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1916-11-02T14:50:10+08:00",
          "utc": "1916-11-02T06:50:10Z",
          "ms": -1677690589597.7664
        },
        "end": {
          "local": "1916-11-03T12:51:47+08:00",
          "utc": "1916-11-03T04:51:47Z",
          "ms": -1677611292829.5793
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-02T14:50:10+08:00",
          "utc": "1916-11-02T06:50:10Z",
          "ms": -1677690589597.7664
        },
        "end": {
          "local": "1916-11-03T12:51:47+08:00",
          "utc": "1916-11-03T04:51:47Z",
          "ms": -1677611292829.5793
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-11-02",
          "window": {
            "start": {
              "local": "1916-11-02T11:22:17+08:00",
              "utc": "1916-11-02T03:22:17Z",
              "ms": -1677703062861.771
            },
            "end": {
              "local": "1916-11-02T12:10:17+08:00",
              "utc": "1916-11-02T04:10:17Z",
              "ms": -1677700182861.771
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-11-03",
          "window": {
            "start": {
              "local": "1916-11-03T11:22:17+08:00",
              "utc": "1916-11-03T03:22:17Z",
              "ms": -1677616663340.3604
            },
            "end": {
              "local": "1916-11-03T12:10:17+08:00",
              "utc": "1916-11-03T04:10:17Z",
              "ms": -1677613783340.3604
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 14:50 on Thu 2 Nov to 12:52 on Fri 3 Nov.",
          "fact": "1916-11-02T06:50:10Z → 1916-11-03T04:51:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 2nd, 11:22–12:10 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2491 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Fuzhou, 1916: Friday 3 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gopashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Gopastami, Gosthastami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-03",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Gopāṣṭamī 1916 falls on Friday 3 November. Aṣṭamī runs from 14:50 on Thu 2 Nov to 12:52 on Fri 3 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/gopashtami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3881,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1916-11-03T12:51:47+08:00",
          "utc": "1916-11-03T04:51:47Z",
          "ms": -1677611292829.5793
        },
        "end": {
          "local": "1916-11-04T10:59:59+08:00",
          "utc": "1916-11-04T02:59:59Z",
          "ms": -1677531600866.531
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-03T12:51:47+08:00",
          "utc": "1916-11-03T04:51:47Z",
          "ms": -1677611292829.5793
        },
        "end": {
          "local": "1916-11-04T10:59:59+08:00",
          "utc": "1916-11-04T02:59:59Z",
          "ms": -1677531600866.531
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1916-11-03",
          "window": {
            "start": {
              "local": "1916-11-03T06:12:40+08:00",
              "utc": "1916-11-02T22:12:40Z",
              "ms": -1677635240178.5298
            },
            "end": {
              "local": "1916-11-03T09:55:04+08:00",
              "utc": "1916-11-03T01:55:04Z",
              "ms": -1677621895619.7502
            }
          },
          "covered_min": 0,
          "window_min": 222,
          "qualifies": false
        },
        {
          "local_date": "1916-11-04",
          "window": {
            "start": {
              "local": "1916-11-04T06:13:19+08:00",
              "utc": "1916-11-03T22:13:19Z",
              "ms": -1677548800782.24
            },
            "end": {
              "local": "1916-11-04T09:55:18+08:00",
              "utc": "1916-11-04T01:55:18Z",
              "ms": -1677535482277.2463
            }
          },
          "covered_min": 222,
          "window_min": 222,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 12:52 on Fri 3 Nov to 11:00 on Sat 4 Nov.",
          "fact": "1916-11-03T04:51:47Z → 1916-11-04T02:59:59Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:13–09:55 on the 3rd, 06:13–09:55 on the 4th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 222 minutes on the 3rd and 222 of 222 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3881 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Fuzhou, 1916: Saturday 4 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 1916 falls on Saturday 4 November. Navamī runs from 12:52 on Fri 3 Nov to 11:00 on Sat 4 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/akshaya-navami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1338,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1916-11-03T12:51:47+08:00",
          "utc": "1916-11-03T04:51:47Z",
          "ms": -1677611292829.5793
        },
        "end": {
          "local": "1916-11-04T10:59:59+08:00",
          "utc": "1916-11-04T02:59:59Z",
          "ms": -1677531600866.531
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-03T12:51:47+08:00",
          "utc": "1916-11-03T04:51:47Z",
          "ms": -1677611292829.5793
        },
        "end": {
          "local": "1916-11-04T10:59:59+08:00",
          "utc": "1916-11-04T02:59:59Z",
          "ms": -1677531600866.531
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-11-03",
          "window": {
            "start": {
              "local": "1916-11-03T11:22:17+08:00",
              "utc": "1916-11-03T03:22:17Z",
              "ms": -1677616663340.3604
            },
            "end": {
              "local": "1916-11-03T12:10:17+08:00",
              "utc": "1916-11-03T04:10:17Z",
              "ms": -1677613783340.3604
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-11-04",
          "window": {
            "start": {
              "local": "1916-11-04T11:22:17+08:00",
              "utc": "1916-11-04T03:22:17Z",
              "ms": -1677530263024.7495
            },
            "end": {
              "local": "1916-11-04T12:10:17+08:00",
              "utc": "1916-11-04T04:10:17Z",
              "ms": -1677527383024.7495
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 12:52 on Fri 3 Nov to 11:00 on Sat 4 Nov.",
          "fact": "1916-11-03T04:51:47Z → 1916-11-04T02:59:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 3rd, 11:22–12:10 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 1338 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Fuzhou, 1916: Saturday 4 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-03",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Durgā Navamī 1916 falls on Saturday 4 November. Navamī runs from 12:52 on Fri 3 Nov to 11:00 on Sat 4 Nov, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/durga-navami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-11-06",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5233,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-11-05T09:16:02+08:00",
          "utc": "1916-11-05T01:16:02Z",
          "ms": -1677451438442.538
        },
        "end": {
          "local": "1916-11-06T07:41:52+08:00",
          "utc": "1916-11-05T23:41:52Z",
          "ms": -1677370687992.2324
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-05T09:16:02+08:00",
          "utc": "1916-11-05T01:16:02Z",
          "ms": -1677451438442.538
        },
        "end": {
          "local": "1916-11-06T07:41:52+08:00",
          "utc": "1916-11-05T23:41:52Z",
          "ms": -1677370687992.2324
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-11-05",
          "window": {
            "start": {
              "local": "1916-11-05T06:13:59+08:00",
              "utc": "1916-11-04T22:13:59Z",
              "ms": -1677462360990.8892
            },
            "end": {
              "local": "1916-11-05T06:13:59+08:00",
              "utc": "1916-11-04T22:13:59Z",
              "ms": -1677462360990.8892
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-11-06",
          "window": {
            "start": {
              "local": "1916-11-06T06:14:39+08:00",
              "utc": "1916-11-05T22:14:39Z",
              "ms": -1677375920811.0425
            },
            "end": {
              "local": "1916-11-06T06:14:39+08:00",
              "utc": "1916-11-05T22:14:39Z",
              "ms": -1677375920811.0425
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:16 on Sun 5 Nov to 07:42 on Mon 6 Nov.",
          "fact": "1916-11-05T01:16:02Z → 1916-11-05T23:41:52Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:14 on the 5th and 06:15 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5233 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Fuzhou, 1916: Monday 6 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Prabodhinī Ekādaśī 1916 falls on Monday 6 November. Ekādaśī runs from 09:16 on Sun 5 Nov to 07:42 on Mon 6 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-11-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-11-07",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36884,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-11-07T06:20:30+08:00",
          "utc": "1916-11-06T22:20:30Z",
          "ms": -1677289170441.2988
        },
        "end": {
          "local": "1916-11-08T05:15:59+08:00",
          "utc": "1916-11-07T21:15:59Z",
          "ms": -1677206641405.1968
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-07T06:20:30+08:00",
          "utc": "1916-11-06T22:20:30Z",
          "ms": -1677289170441.2988
        },
        "end": {
          "local": "1916-11-08T05:15:59+08:00",
          "utc": "1916-11-07T21:15:59Z",
          "ms": -1677206641405.1968
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-11-06",
          "window": {
            "start": {
              "local": "1916-11-06T17:18:01+08:00",
              "utc": "1916-11-06T09:18:01Z",
              "ms": -1677336119141.5862
            },
            "end": {
              "local": "1916-11-06T19:01:39+08:00",
              "utc": "1916-11-06T11:01:39Z",
              "ms": -1677329900622.6055
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "1916-11-07",
          "window": {
            "start": {
              "local": "1916-11-07T17:17:26+08:00",
              "utc": "1916-11-07T09:17:26Z",
              "ms": -1677249754202.1584
            },
            "end": {
              "local": "1916-11-07T19:01:14+08:00",
              "utc": "1916-11-07T11:01:14Z",
              "ms": -1677243525550.1797
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:20 on Tue 7 Nov to 05:16 on Wed 8 Nov.",
          "fact": "1916-11-06T22:20:30Z → 1916-11-07T21:15:59Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:02 on the 6th, 17:17–19:01 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 6th and 104 of 104 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36884 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Tuesday 7 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Tuesday 7 November. Trayodaśī runs from 06:20 on Tue 7 Nov to 05:16 on Wed 8 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-11-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24555,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-11-09T04:33:16+08:00",
          "utc": "1916-11-08T20:33:16Z",
          "ms": -1677122804395.4126
        },
        "end": {
          "local": "1916-11-10T04:17:39+08:00",
          "utc": "1916-11-09T20:17:39Z",
          "ms": -1677037341032.8977
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-09T04:33:16+08:00",
          "utc": "1916-11-08T20:33:16Z",
          "ms": -1677122804395.4126
        },
        "end": {
          "local": "1916-11-10T04:17:39+08:00",
          "utc": "1916-11-09T20:17:39Z",
          "ms": -1677037341032.8977
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-11-09",
          "window": {
            "start": {
              "local": "1916-11-09T11:22:31+08:00",
              "utc": "1916-11-09T03:22:31Z",
              "ms": -1677098249228.2505
            },
            "end": {
              "local": "1916-11-09T12:10:31+08:00",
              "utc": "1916-11-09T04:10:31Z",
              "ms": -1677095369228.2505
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-11-10",
          "window": {
            "start": {
              "local": "1916-11-10T11:22:36+08:00",
              "utc": "1916-11-10T03:22:36Z",
              "ms": -1677011843965.6553
            },
            "end": {
              "local": "1916-11-10T12:10:36+08:00",
              "utc": "1916-11-10T04:10:36Z",
              "ms": -1677008963965.6553
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 04:33 on Thu 9 Nov to 04:18 on Fri 10 Nov.",
          "fact": "1916-11-08T20:33:16Z → 1916-11-09T20:17:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 9th, 11:23–12:11 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24555 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Fuzhou, 1916: Thursday 9 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kartiki-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kārtikī Pūrṇimā 1916 falls on Thursday 9 November. Pūrṇimā runs from 04:33 on Thu 9 Nov to 04:18 on Fri 10 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/kartiki-purnima",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14807,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-11-09T04:33:16+08:00",
          "utc": "1916-11-08T20:33:16Z",
          "ms": -1677122804395.4126
        },
        "end": {
          "local": "1916-11-10T04:17:39+08:00",
          "utc": "1916-11-09T20:17:39Z",
          "ms": -1677037341032.8977
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-09T04:33:16+08:00",
          "utc": "1916-11-08T20:33:16Z",
          "ms": -1677122804395.4126
        },
        "end": {
          "local": "1916-11-10T04:17:39+08:00",
          "utc": "1916-11-09T20:17:39Z",
          "ms": -1677037341032.8977
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-11-08",
          "window": {
            "start": {
              "local": "1916-11-08T23:22:47+08:00",
              "utc": "1916-11-08T15:22:47Z",
              "ms": -1677141432993.55
            },
            "end": {
              "local": "1916-11-09T00:10:47+08:00",
              "utc": "1916-11-08T16:10:47Z",
              "ms": -1677138552993.55
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-11-09",
          "window": {
            "start": {
              "local": "1916-11-09T23:22:52+08:00",
              "utc": "1916-11-09T15:22:52Z",
              "ms": -1677055028396.644
            },
            "end": {
              "local": "1916-11-10T00:10:52+08:00",
              "utc": "1916-11-09T16:10:52Z",
              "ms": -1677052148396.644
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 04:33 on Thu 9 Nov to 04:18 on Fri 10 Nov.",
          "fact": "1916-11-08T20:33:16Z → 1916-11-09T20:17:39Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 8th, 23:23–00:11 on the 9th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14807 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Fuzhou, 1916: Thursday 9 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rasayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāsayātrā 1916 falls on Thursday 9 November. Pūrṇimā runs from 04:33 on Thu 9 Nov to 04:18 on Fri 10 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/rasayatra",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-11-13",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 42740,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-11-13T06:54:04+08:00",
          "utc": "1916-11-12T22:54:04Z",
          "ms": -1676768756056.4495
        },
        "end": {
          "local": "1916-11-14T08:55:38+08:00",
          "utc": "1916-11-14T00:55:38Z",
          "ms": -1676675061646.8916
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-13T06:54:04+08:00",
          "utc": "1916-11-12T22:54:04Z",
          "ms": -1676768756056.4495
        },
        "end": {
          "local": "1916-11-14T08:55:38+08:00",
          "utc": "1916-11-14T00:55:38Z",
          "ms": -1676675061646.8916
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-11-12",
          "window": {
            "start": {
              "local": "1916-11-12T19:01:44+08:00",
              "utc": "1916-11-12T11:01:44Z",
              "ms": -1676811496102.7454
            },
            "end": {
              "local": "1916-11-12T19:01:44+08:00",
              "utc": "1916-11-12T11:01:44Z",
              "ms": -1676811496102.7454
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-11-13",
          "window": {
            "start": {
              "local": "1916-11-13T19:55:18+08:00",
              "utc": "1916-11-13T11:55:18Z",
              "ms": -1676721882466.5732
            },
            "end": {
              "local": "1916-11-13T19:55:18+08:00",
              "utc": "1916-11-13T11:55:18Z",
              "ms": -1676721882466.5732
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:54 on Mon 13 Nov to 08:56 on Tue 14 Nov.",
          "fact": "1916-11-12T22:54:04Z → 1916-11-14T00:55:38Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:02 on the 12th and 19:55 on the 13th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 42740 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Monday 13 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Monday 13 November. Caturthī runs from 06:54 on Mon 13 Nov to 08:56 on Tue 14 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-11-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-11-21",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28481,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-11-20T22:09:34+08:00",
          "utc": "1916-11-20T14:09:34Z",
          "ms": -1676109026447.4963
        },
        "end": {
          "local": "1916-11-21T22:31:25+08:00",
          "utc": "1916-11-21T14:31:25Z",
          "ms": -1676021314673.1775
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-20T22:09:34+08:00",
          "utc": "1916-11-20T14:09:34Z",
          "ms": -1676109026447.4963
        },
        "end": {
          "local": "1916-11-21T22:31:25+08:00",
          "utc": "1916-11-21T14:31:25Z",
          "ms": -1676021314673.1775
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-11-21",
          "window": {
            "start": {
              "local": "1916-11-21T06:25:21+08:00",
              "utc": "1916-11-20T22:25:21Z",
              "ms": -1676079278538.7397
            },
            "end": {
              "local": "1916-11-21T06:25:21+08:00",
              "utc": "1916-11-20T22:25:21Z",
              "ms": -1676079278538.7397
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-11-22",
          "window": {
            "start": {
              "local": "1916-11-22T06:26:06+08:00",
              "utc": "1916-11-21T22:26:06Z",
              "ms": -1675992833869.028
            },
            "end": {
              "local": "1916-11-22T06:26:06+08:00",
              "utc": "1916-11-21T22:26:06Z",
              "ms": -1675992833869.028
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:10 on Mon 20 Nov to 22:31 on Tue 21 Nov.",
          "fact": "1916-11-20T14:09:34Z → 1916-11-21T14:31:25Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:25 on the 21st and 06:26 on the 22nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28481 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Fuzhou, 1916: Tuesday 21 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Utpannā Ekādaśī 1916 falls on Tuesday 21 November. Ekādaśī runs from 22:10 on Mon 20 Nov to 22:31 on Tue 21 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-11-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-11-23",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7057,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-11-22T22:05:20+08:00",
          "utc": "1916-11-22T14:05:20Z",
          "ms": -1675936480195.7834
        },
        "end": {
          "local": "1916-11-23T20:55:02+08:00",
          "utc": "1916-11-23T12:55:02Z",
          "ms": -1675854298301.482
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-22T22:05:20+08:00",
          "utc": "1916-11-22T14:05:20Z",
          "ms": -1675936480195.7834
        },
        "end": {
          "local": "1916-11-23T20:55:02+08:00",
          "utc": "1916-11-23T12:55:02Z",
          "ms": -1675854298301.482
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-11-22",
          "window": {
            "start": {
              "local": "1916-11-22T17:11:26+08:00",
              "utc": "1916-11-22T09:11:26Z",
              "ms": -1675954113935.1353
            },
            "end": {
              "local": "1916-11-22T18:57:29+08:00",
              "utc": "1916-11-22T10:57:29Z",
              "ms": -1675947750625.24
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "1916-11-23",
          "window": {
            "start": {
              "local": "1916-11-23T17:11:14+08:00",
              "utc": "1916-11-23T09:11:14Z",
              "ms": -1675867726040.8447
            },
            "end": {
              "local": "1916-11-23T18:57:25+08:00",
              "utc": "1916-11-23T10:57:25Z",
              "ms": -1675861355141.803
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:05 on Wed 22 Nov to 20:55 on Thu 23 Nov.",
          "fact": "1916-11-22T14:05:20Z → 1916-11-23T12:55:02Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 22nd, 17:11–18:57 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 22nd and 106 of 106 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7057 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Thursday 23 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Thursday 23 November. Trayodaśī runs from 22:05 on Wed 22 Nov to 20:55 on Thu 23 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-11-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-11-23",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9023,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-11-23T20:55:02+08:00",
          "utc": "1916-11-23T12:55:02Z",
          "ms": -1675854298301.482
        },
        "end": {
          "local": "1916-11-24T19:07:10+08:00",
          "utc": "1916-11-24T11:07:10Z",
          "ms": -1675774370266.6929
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-23T20:55:02+08:00",
          "utc": "1916-11-23T12:55:02Z",
          "ms": -1675854298301.482
        },
        "end": {
          "local": "1916-11-24T19:07:10+08:00",
          "utc": "1916-11-24T11:07:10Z",
          "ms": -1675774370266.6929
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-11-23",
          "window": {
            "start": {
              "local": "1916-11-23T23:25:25+08:00",
              "utc": "1916-11-23T15:25:25Z",
              "ms": -1675845275169.4385
            },
            "end": {
              "local": "1916-11-24T00:13:25+08:00",
              "utc": "1916-11-23T16:13:25Z",
              "ms": -1675842395169.4385
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-11-24",
          "window": {
            "start": {
              "local": "1916-11-24T23:25:42+08:00",
              "utc": "1916-11-24T15:25:42Z",
              "ms": -1675758858033.0396
            },
            "end": {
              "local": "1916-11-25T00:13:42+08:00",
              "utc": "1916-11-24T16:13:42Z",
              "ms": -1675755978033.0396
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 20:55 on Thu 23 Nov to 19:07 on Fri 24 Nov.",
          "fact": "1916-11-23T12:55:02Z → 1916-11-24T11:07:10Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 23rd, 23:26–00:14 on the 24th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9023 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Thursday 23 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Thursday 23 November. Caturdaśī runs from 20:55 on Thu 23 Nov to 19:07 on Fri 24 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-11-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-11-28",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10415,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-11-28T08:33:01+08:00",
          "utc": "1916-11-28T00:33:01Z",
          "ms": -1675466818977.1365
        },
        "end": {
          "local": "1916-11-29T05:46:17+08:00",
          "utc": "1916-11-28T21:46:17Z",
          "ms": -1675390423394.9216
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-28T08:33:01+08:00",
          "utc": "1916-11-28T00:33:01Z",
          "ms": -1675466818977.1365
        },
        "end": {
          "local": "1916-11-29T05:46:17+08:00",
          "utc": "1916-11-28T21:46:17Z",
          "ms": -1675390423394.9216
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-11-28",
          "window": {
            "start": {
              "local": "1916-11-28T11:26:36+08:00",
              "utc": "1916-11-28T03:26:36Z",
              "ms": -1675456404302.2227
            },
            "end": {
              "local": "1916-11-28T12:14:36+08:00",
              "utc": "1916-11-28T04:14:36Z",
              "ms": -1675453524302.2227
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-11-29",
          "window": {
            "start": {
              "local": "1916-11-29T11:26:57+08:00",
              "utc": "1916-11-29T03:26:57Z",
              "ms": -1675369983461.0793
            },
            "end": {
              "local": "1916-11-29T12:14:57+08:00",
              "utc": "1916-11-29T04:14:57Z",
              "ms": -1675367103461.0793
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:33 on Tue 28 Nov to 05:46 on Wed 29 Nov.",
          "fact": "1916-11-28T00:33:01Z → 1916-11-28T21:46:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 28th, 11:27–12:15 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10415 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Tuesday 28 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Tuesday 28 November. Caturthī runs from 08:33 on Tue 28 Nov to 05:46 on Wed 29 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-11-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20440,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1916-11-29T05:46:17+08:00",
          "utc": "1916-11-28T21:46:17Z",
          "ms": -1675390423394.9216
        },
        "end": {
          "local": "1916-11-30T03:10:15+08:00",
          "utc": "1916-11-29T19:10:15Z",
          "ms": -1675313385106.7817
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-29T05:46:17+08:00",
          "utc": "1916-11-28T21:46:17Z",
          "ms": -1675390423394.9216
        },
        "end": {
          "local": "1916-11-30T03:10:15+08:00",
          "utc": "1916-11-29T19:10:15Z",
          "ms": -1675313385106.7817
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-11-29",
          "window": {
            "start": {
              "local": "1916-11-29T11:26:57+08:00",
              "utc": "1916-11-29T03:26:57Z",
              "ms": -1675369983461.0793
            },
            "end": {
              "local": "1916-11-29T12:14:57+08:00",
              "utc": "1916-11-29T04:14:57Z",
              "ms": -1675367103461.0793
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-11-30",
          "window": {
            "start": {
              "local": "1916-11-30T11:27:18+08:00",
              "utc": "1916-11-30T03:27:18Z",
              "ms": -1675283561942.8486
            },
            "end": {
              "local": "1916-11-30T12:15:18+08:00",
              "utc": "1916-11-30T04:15:18Z",
              "ms": -1675280681942.8486
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 05:46 on Wed 29 Nov to 03:10 on Thu 30 Nov.",
          "fact": "1916-11-28T21:46:17Z → 1916-11-29T19:10:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 29th, 11:27–12:15 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20440 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 1916: Wednesday 29 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami-margashirsha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (2nd) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 1916 falls on Wednesday 29 November. Pañcamī runs from 05:46 on Wed 29 Nov to 03:10 on Thu 30 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/naga-panchami-margashirsha",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29823,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1916-11-30T03:10:15+08:00",
          "utc": "1916-11-29T19:10:15Z",
          "ms": -1675313385106.7817
        },
        "end": {
          "local": "1916-12-01T00:49:43+08:00",
          "utc": "1916-11-30T16:49:43Z",
          "ms": -1675235417171.927
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-30T03:10:15+08:00",
          "utc": "1916-11-29T19:10:15Z",
          "ms": -1675313385106.7817
        },
        "end": {
          "local": "1916-12-01T00:49:43+08:00",
          "utc": "1916-11-30T16:49:43Z",
          "ms": -1675235417171.927
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-11-30",
          "window": {
            "start": {
              "local": "1916-11-30T11:27:18+08:00",
              "utc": "1916-11-30T03:27:18Z",
              "ms": -1675283561942.8486
            },
            "end": {
              "local": "1916-11-30T12:15:18+08:00",
              "utc": "1916-11-30T04:15:18Z",
              "ms": -1675280681942.8486
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-12-01",
          "window": {
            "start": {
              "local": "1916-12-01T11:27:40+08:00",
              "utc": "1916-12-01T03:27:40Z",
              "ms": -1675197139769.8418
            },
            "end": {
              "local": "1916-12-01T12:15:40+08:00",
              "utc": "1916-12-01T04:15:40Z",
              "ms": -1675194259769.8418
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 03:10 on Thu 30 Nov to 00:50 on Fri 1 Dec.",
          "fact": "1916-11-29T19:10:15Z → 1916-11-30T16:49:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 30th, 11:28–12:16 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29823 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Fuzhou, 1916: Thursday 30 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "champa-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Campā Ṣaṣṭhī 1916 falls on Thursday 30 November. Ṣaṣṭhī runs from 03:10 on Thu 30 Nov to 00:50 on Fri 1 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/champa-shashthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-11-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29823,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1916-11-30T03:10:15+08:00",
          "utc": "1916-11-29T19:10:15Z",
          "ms": -1675313385106.7817
        },
        "end": {
          "local": "1916-12-01T00:49:43+08:00",
          "utc": "1916-11-30T16:49:43Z",
          "ms": -1675235417171.927
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-11-30T03:10:15+08:00",
          "utc": "1916-11-29T19:10:15Z",
          "ms": -1675313385106.7817
        },
        "end": {
          "local": "1916-12-01T00:49:43+08:00",
          "utc": "1916-11-30T16:49:43Z",
          "ms": -1675235417171.927
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-11-30",
          "window": {
            "start": {
              "local": "1916-11-30T11:27:18+08:00",
              "utc": "1916-11-30T03:27:18Z",
              "ms": -1675283561942.8486
            },
            "end": {
              "local": "1916-11-30T12:15:18+08:00",
              "utc": "1916-11-30T04:15:18Z",
              "ms": -1675280681942.8486
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1916-12-01",
          "window": {
            "start": {
              "local": "1916-12-01T11:27:40+08:00",
              "utc": "1916-12-01T03:27:40Z",
              "ms": -1675197139769.8418
            },
            "end": {
              "local": "1916-12-01T12:15:40+08:00",
              "utc": "1916-12-01T04:15:40Z",
              "ms": -1675194259769.8418
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 03:10 on Thu 30 Nov to 00:50 on Fri 1 Dec.",
          "fact": "1916-11-29T19:10:15Z → 1916-11-30T16:49:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 30th, 11:28–12:16 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 29823 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Fuzhou, 1916: Thursday 30 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-11-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-11-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī 1916 falls on Thursday 30 November. Ṣaṣṭhī runs from 03:10 on Thu 30 Nov to 00:50 on Fri 1 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/skanda-shashthi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37946,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1916-12-01T00:49:43+08:00",
          "utc": "1916-11-30T16:49:43Z",
          "ms": -1675235417171.927
        },
        "end": {
          "local": "1916-12-01T22:48:06+08:00",
          "utc": "1916-12-01T14:48:06Z",
          "ms": -1675156313795.0623
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-01T00:49:43+08:00",
          "utc": "1916-11-30T16:49:43Z",
          "ms": -1675235417171.927
        },
        "end": {
          "local": "1916-12-01T22:48:06+08:00",
          "utc": "1916-12-01T14:48:06Z",
          "ms": -1675156313795.0623
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-11-30",
          "window": {
            "start": {
              "local": "1916-11-30T11:27:18+08:00",
              "utc": "1916-11-30T03:27:18Z",
              "ms": -1675283561942.8486
            },
            "end": {
              "local": "1916-11-30T12:15:18+08:00",
              "utc": "1916-11-30T04:15:18Z",
              "ms": -1675280681942.8486
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-12-01",
          "window": {
            "start": {
              "local": "1916-12-01T11:27:40+08:00",
              "utc": "1916-12-01T03:27:40Z",
              "ms": -1675197139769.8418
            },
            "end": {
              "local": "1916-12-01T12:15:40+08:00",
              "utc": "1916-12-01T04:15:40Z",
              "ms": -1675194259769.8418
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 00:50 on Fri 1 Dec to 22:48 on Fri 1 Dec.",
          "fact": "1916-11-30T16:49:43Z → 1916-12-01T14:48:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 30th, 11:28–12:16 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 37946 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Fuzhou, 1916: Friday 1 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mitra-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Mitra saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mitra Saptamī 1916 falls on Friday 1 December. Saptamī runs from 00:50 on Fri 1 Dec to 22:48 on Fri 1 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/mitra-saptami",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-12-05",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 42032,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-12-04T18:55:09+08:00",
          "utc": "1916-12-04T10:55:09Z",
          "ms": -1674911090518.4163
        },
        "end": {
          "local": "1916-12-05T18:24:40+08:00",
          "utc": "1916-12-05T10:24:40Z",
          "ms": -1674826519564.1787
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-04T18:55:09+08:00",
          "utc": "1916-12-04T10:55:09Z",
          "ms": -1674911090518.4163
        },
        "end": {
          "local": "1916-12-05T18:24:40+08:00",
          "utc": "1916-12-05T10:24:40Z",
          "ms": -1674826519564.1787
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-12-05",
          "window": {
            "start": {
              "local": "1916-12-05T06:35:41+08:00",
              "utc": "1916-12-04T22:35:41Z",
              "ms": -1674869058810.7058
            },
            "end": {
              "local": "1916-12-05T06:35:41+08:00",
              "utc": "1916-12-04T22:35:41Z",
              "ms": -1674869058810.7058
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1916-12-06",
          "window": {
            "start": {
              "local": "1916-12-06T06:36:24+08:00",
              "utc": "1916-12-05T22:36:24Z",
              "ms": -1674782616378.06
            },
            "end": {
              "local": "1916-12-06T06:36:24+08:00",
              "utc": "1916-12-05T22:36:24Z",
              "ms": -1674782616378.06
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:55 on Mon 4 Dec to 18:25 on Tue 5 Dec.",
          "fact": "1916-12-04T10:55:09Z → 1916-12-05T10:24:40Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:36 on the 5th and 06:36 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 42032 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Fuzhou, 1916: Tuesday 5 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mokṣadā Ekādaśī 1916 falls on Tuesday 5 December. Ekādaśī runs from 18:55 on Mon 4 Dec to 18:25 on Tue 5 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-12-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21689,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1916-12-05T18:24:40+08:00",
          "utc": "1916-12-05T10:24:40Z",
          "ms": -1674826519564.1787
        },
        "end": {
          "local": "1916-12-06T18:19:09+08:00",
          "utc": "1916-12-06T10:19:09Z",
          "ms": -1674740450668.8152
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-05T18:24:40+08:00",
          "utc": "1916-12-05T10:24:40Z",
          "ms": -1674826519564.1787
        },
        "end": {
          "local": "1916-12-06T18:19:09+08:00",
          "utc": "1916-12-06T10:19:09Z",
          "ms": -1674740450668.8152
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-12-05",
          "window": {
            "start": {
              "local": "1916-12-05T11:29:15+08:00",
              "utc": "1916-12-05T03:29:15Z",
              "ms": -1674851444965.9136
            },
            "end": {
              "local": "1916-12-05T12:17:15+08:00",
              "utc": "1916-12-05T04:17:15Z",
              "ms": -1674848564965.9136
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-12-06",
          "window": {
            "start": {
              "local": "1916-12-06T11:29:40+08:00",
              "utc": "1916-12-06T03:29:40Z",
              "ms": -1674765019845.1704
            },
            "end": {
              "local": "1916-12-06T12:17:40+08:00",
              "utc": "1916-12-06T04:17:40Z",
              "ms": -1674762139845.1704
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 18:25 on Tue 5 Dec to 18:19 on Wed 6 Dec.",
          "fact": "1916-12-05T10:24:40Z → 1916-12-06T10:19:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 5th, 11:30–12:18 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21689 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Fuzhou, 1916: Wednesday 6 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akhanda-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 1916 falls on Wednesday 6 December. Dvādaśī runs from 18:25 on Tue 5 Dec to 18:19 on Wed 6 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/akhanda-dvadashi",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-12-07",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-07",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1136,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-12-06T18:19:09+08:00",
          "utc": "1916-12-06T10:19:09Z",
          "ms": -1674740450668.8152
        },
        "end": {
          "local": "1916-12-07T18:39:43+08:00",
          "utc": "1916-12-07T10:39:43Z",
          "ms": -1674652816731.5688
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-06T18:19:09+08:00",
          "utc": "1916-12-06T10:19:09Z",
          "ms": -1674740450668.8152
        },
        "end": {
          "local": "1916-12-07T18:39:43+08:00",
          "utc": "1916-12-07T10:39:43Z",
          "ms": -1674652816731.5688
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-12-06",
          "window": {
            "start": {
              "local": "1916-12-06T17:10:57+08:00",
              "utc": "1916-12-06T09:10:57Z",
              "ms": -1674744543312.2805
            },
            "end": {
              "local": "1916-12-06T18:58:26+08:00",
              "utc": "1916-12-06T10:58:26Z",
              "ms": -1674738094122.9028
            }
          },
          "covered_min": 39,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "1916-12-07",
          "window": {
            "start": {
              "local": "1916-12-07T17:11:06+08:00",
              "utc": "1916-12-07T09:11:06Z",
              "ms": -1674658134009.231
            },
            "end": {
              "local": "1916-12-07T18:58:39+08:00",
              "utc": "1916-12-07T10:58:39Z",
              "ms": -1674651680526.5068
            }
          },
          "covered_min": 89,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:19 on Wed 6 Dec to 18:40 on Thu 7 Dec.",
          "fact": "1916-12-06T10:19:09Z → 1916-12-07T10:39:43Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:58 on the 6th, 17:11–18:59 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 39 of 107 minutes on the 6th and 89 of 108 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1136 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1916: Thursday 7 December.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-07",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-06",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1916 falls on Thursday 7 December. Trayodaśī runs from 18:19 on Wed 6 Dec to 18:40 on Thu 7 Dec and covers 89 of 108 minutes of pradoṣa that evening. It also reaches the previous evening for 39 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-12-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1719,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1916-12-08T19:27:33+08:00",
          "utc": "1916-12-08T11:27:33Z",
          "ms": -1674563546888.2205
        },
        "end": {
          "local": "1916-12-09T20:43:27+08:00",
          "utc": "1916-12-09T12:43:27Z",
          "ms": -1674472593333.0056
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-08T19:27:33+08:00",
          "utc": "1916-12-08T11:27:33Z",
          "ms": -1674563546888.2205
        },
        "end": {
          "local": "1916-12-09T20:43:27+08:00",
          "utc": "1916-12-09T12:43:27Z",
          "ms": -1674472593333.0056
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-12-08",
          "window": {
            "start": {
              "local": "1916-12-08T17:11:17+08:00",
              "utc": "1916-12-08T09:11:17Z",
              "ms": -1674571723221.348
            },
            "end": {
              "local": "1916-12-08T18:58:54+08:00",
              "utc": "1916-12-08T10:58:54Z",
              "ms": -1674565265712.5356
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "1916-12-09",
          "window": {
            "start": {
              "local": "1916-12-09T17:11:29+08:00",
              "utc": "1916-12-09T09:11:29Z",
              "ms": -1674485310959.25
            },
            "end": {
              "local": "1916-12-09T18:59:10+08:00",
              "utc": "1916-12-09T10:59:10Z",
              "ms": -1674478849695.1218
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:28 on Fri 8 Dec to 20:43 on Sat 9 Dec.",
          "fact": "1916-12-08T11:27:33Z → 1916-12-09T12:43:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:59 on the 8th, 17:11–18:59 on the 9th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 108 minutes on the 8th and 108 of 108 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1719 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Fuzhou, 1916: Saturday 9 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dattatreyotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Dattatreyotpatti (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 1916 falls on Saturday 9 December. Pūrṇimā runs from 19:28 on Fri 8 Dec to 20:43 on Sat 9 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/dattatreyotpatti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-12-13",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27062,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-12-13T03:06:31+08:00",
          "utc": "1916-12-12T19:06:31Z",
          "ms": -1674190409358.9526
        },
        "end": {
          "local": "1916-12-14T05:49:21+08:00",
          "utc": "1916-12-13T21:49:21Z",
          "ms": -1674094239029.7605
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-13T03:06:31+08:00",
          "utc": "1916-12-12T19:06:31Z",
          "ms": -1674190409358.9526
        },
        "end": {
          "local": "1916-12-14T05:49:21+08:00",
          "utc": "1916-12-13T21:49:21Z",
          "ms": -1674094239029.7605
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1916-12-12",
          "window": {
            "start": {
              "local": "1916-12-12T19:35:29+08:00",
              "utc": "1916-12-12T11:35:29Z",
              "ms": -1674217471456.9224
            },
            "end": {
              "local": "1916-12-12T19:35:29+08:00",
              "utc": "1916-12-12T11:35:29Z",
              "ms": -1674217471456.9224
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-12-13",
          "window": {
            "start": {
              "local": "1916-12-13T20:29:19+08:00",
              "utc": "1916-12-13T12:29:19Z",
              "ms": -1674127840880.7705
            },
            "end": {
              "local": "1916-12-13T20:29:19+08:00",
              "utc": "1916-12-13T12:29:19Z",
              "ms": -1674127840880.7705
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 03:07 on Wed 13 Dec to 05:49 on Thu 14 Dec.",
          "fact": "1916-12-12T19:06:31Z → 1916-12-13T21:49:21Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:35 on the 12th and 20:29 on the 13th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 12th and is on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27062 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1916: Wednesday 13 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1916 falls on Wednesday 13 December. Caturthī runs from 03:07 on Wed 13 Dec to 05:49 on Thu 14 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/sankashta-chaturthi?on=1916-12-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/ekadashi?on=1916-12-21",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28076,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1916-12-20T15:27:44+08:00",
          "utc": "1916-12-20T07:27:44Z",
          "ms": -1673541135801.8137
        },
        "end": {
          "local": "1916-12-21T14:33:42+08:00",
          "utc": "1916-12-21T06:33:42Z",
          "ms": -1673457978241.012
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-20T15:27:44+08:00",
          "utc": "1916-12-20T07:27:44Z",
          "ms": -1673541135801.8137
        },
        "end": {
          "local": "1916-12-21T14:33:42+08:00",
          "utc": "1916-12-21T06:33:42Z",
          "ms": -1673457978241.012
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1916-12-20",
          "window": {
            "start": {
              "local": "1916-12-20T06:45:14+08:00",
              "utc": "1916-12-19T22:45:14Z",
              "ms": -1673572486164.7048
            },
            "end": {
              "local": "1916-12-20T06:45:14+08:00",
              "utc": "1916-12-19T22:45:14Z",
              "ms": -1673572486164.7048
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1916-12-21",
          "window": {
            "start": {
              "local": "1916-12-21T06:45:46+08:00",
              "utc": "1916-12-20T22:45:46Z",
              "ms": -1673486054371.6538
            },
            "end": {
              "local": "1916-12-21T06:45:46+08:00",
              "utc": "1916-12-20T22:45:46Z",
              "ms": -1673486054371.6538
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:28 on Wed 20 Dec to 14:34 on Thu 21 Dec.",
          "fact": "1916-12-20T07:27:44Z → 1916-12-21T06:33:42Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:45 on the 20th and 06:46 on the 21st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28076 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Fuzhou, 1916: Thursday 21 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saphalā Ekādaśī 1916 falls on Thursday 21 December. Ekādaśī runs from 15:28 on Wed 20 Dec to 14:34 on Thu 21 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/ekadashi?on=1916-12-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/pradosha-vrata?on=1916-12-22",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15759,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1916-12-22T12:53:36+08:00",
          "utc": "1916-12-22T04:53:36Z",
          "ms": -1673377583843.309
        },
        "end": {
          "local": "1916-12-23T10:34:01+08:00",
          "utc": "1916-12-23T02:34:01Z",
          "ms": -1673299559218.2817
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-22T12:53:36+08:00",
          "utc": "1916-12-22T04:53:36Z",
          "ms": -1673377583843.309
        },
        "end": {
          "local": "1916-12-23T10:34:01+08:00",
          "utc": "1916-12-23T02:34:01Z",
          "ms": -1673299559218.2817
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1916-12-22",
          "window": {
            "start": {
              "local": "1916-12-22T17:16:15+08:00",
              "utc": "1916-12-22T09:16:15Z",
              "ms": -1673361825125.2283
            },
            "end": {
              "local": "1916-12-22T19:04:19+08:00",
              "utc": "1916-12-22T11:04:19Z",
              "ms": -1673355340957.3752
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "1916-12-23",
          "window": {
            "start": {
              "local": "1916-12-23T17:16:46+08:00",
              "utc": "1916-12-23T09:16:46Z",
              "ms": -1673275394265.9456
            },
            "end": {
              "local": "1916-12-23T19:04:50+08:00",
              "utc": "1916-12-23T11:04:50Z",
              "ms": -1673268910394.5557
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:54 on Fri 22 Dec to 10:34 on Sat 23 Dec.",
          "fact": "1916-12-22T04:53:36Z → 1916-12-23T02:34:01Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:04 on the 22nd, 17:17–19:05 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 22nd and 0 of 108 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15759 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1916: Friday 22 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1916 falls on Friday 22 December. Trayodaśī runs from 12:54 on Fri 22 Dec to 10:34 on Sat 23 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/pradosha-vrata?on=1916-12-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/shivaratri?on=1916-12-23",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26238,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1916-12-23T10:34:01+08:00",
          "utc": "1916-12-23T02:34:01Z",
          "ms": -1673299559218.2817
        },
        "end": {
          "local": "1916-12-24T07:43:18+08:00",
          "utc": "1916-12-23T23:43:18Z",
          "ms": -1673223401869.1636
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-23T10:34:01+08:00",
          "utc": "1916-12-23T02:34:01Z",
          "ms": -1673299559218.2817
        },
        "end": {
          "local": "1916-12-24T07:43:18+08:00",
          "utc": "1916-12-23T23:43:18Z",
          "ms": -1673223401869.1636
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1916-12-22",
          "window": {
            "start": {
              "local": "1916-12-22T23:37:31+08:00",
              "utc": "1916-12-22T15:37:31Z",
              "ms": -1673338949495.7793
            },
            "end": {
              "local": "1916-12-23T00:25:31+08:00",
              "utc": "1916-12-22T16:25:31Z",
              "ms": -1673336069495.7793
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-12-23",
          "window": {
            "start": {
              "local": "1916-12-23T23:38:00+08:00",
              "utc": "1916-12-23T15:38:00Z",
              "ms": -1673252519748.2334
            },
            "end": {
              "local": "1916-12-24T00:26:00+08:00",
              "utc": "1916-12-23T16:26:00Z",
              "ms": -1673249639748.2334
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:34 on Sat 23 Dec to 07:43 on Sun 24 Dec.",
          "fact": "1916-12-23T02:34:01Z → 1916-12-23T23:43:18Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 22nd, 23:38–00:26 on the 23rd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26238 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1916: Saturday 23 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1916 falls on Saturday 23 December. Caturdaśī runs from 10:34 on Sat 23 Dec to 07:43 on Sun 24 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/shivaratri?on=1916-12-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-12-28",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1916,
      "local_date": "1916-12-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10020,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1916-12-27T18:19:44+08:00",
          "utc": "1916-12-27T10:19:44Z",
          "ms": -1672926015910.0156
        },
        "end": {
          "local": "1916-12-28T15:15:17+08:00",
          "utc": "1916-12-28T07:15:17Z",
          "ms": -1672850682831.908
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1916-12-27T18:19:44+08:00",
          "utc": "1916-12-27T10:19:44Z",
          "ms": -1672926015910.0156
        },
        "end": {
          "local": "1916-12-28T15:15:17+08:00",
          "utc": "1916-12-28T07:15:17Z",
          "ms": -1672850682831.908
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1916-12-27",
          "window": {
            "start": {
              "local": "1916-12-27T11:39:47+08:00",
              "utc": "1916-12-27T03:39:47Z",
              "ms": -1672950013239.8281
            },
            "end": {
              "local": "1916-12-27T12:27:47+08:00",
              "utc": "1916-12-27T04:27:47Z",
              "ms": -1672947133239.8281
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1916-12-28",
          "window": {
            "start": {
              "local": "1916-12-28T11:40:17+08:00",
              "utc": "1916-12-28T03:40:17Z",
              "ms": -1672863583321.9412
            },
            "end": {
              "local": "1916-12-28T12:28:17+08:00",
              "utc": "1916-12-28T04:28:17Z",
              "ms": -1672860703321.9412
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:20 on Wed 27 Dec to 15:15 on Thu 28 Dec.",
          "fact": "1916-12-27T10:19:44Z → 1916-12-28T07:15:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 27th, 11:40–12:28 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10020 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1916: Thursday 28 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1916-12-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1916-12-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1916 falls on Thursday 28 December. Caturthī runs from 18:20 on Wed 27 Dec to 15:15 on Thu 28 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1916/vinayaka-chaturthi?on=1916-12-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    }
  ],
  "engine": {
    "version": "0.1.0",
    "ruleset": "2026.3-draft",
    "kernel": "de440-1900-2100",
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}
