{
  "id": "/fuzhou/festivals/1953",
  "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": 1953,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-01-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-03",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1926,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-01-03T18:56:23+08:00",
          "utc": "1953-01-03T10:56:23Z",
          "ms": -536245416965.48596
        },
        "end": {
          "local": "1953-01-04T21:35:06+08:00",
          "utc": "1953-01-04T13:35:06Z",
          "ms": -536149493916.84406
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-03T18:56:23+08:00",
          "utc": "1953-01-03T10:56:23Z",
          "ms": -536245416965.48596
        },
        "end": {
          "local": "1953-01-04T21:35:06+08:00",
          "utc": "1953-01-04T13:35:06Z",
          "ms": -536149493916.84406
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-01-03",
          "window": {
            "start": {
              "local": "1953-01-03T20:10:54+08:00",
              "utc": "1953-01-03T12:10:54Z",
              "ms": -536240946439.88745
            },
            "end": {
              "local": "1953-01-03T20:10:54+08:00",
              "utc": "1953-01-03T12:10:54Z",
              "ms": -536240946439.88745
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-01-04",
          "window": {
            "start": {
              "local": "1953-01-04T21:03:01+08:00",
              "utc": "1953-01-04T13:03:01Z",
              "ms": -536151419499.8487
            },
            "end": {
              "local": "1953-01-04T21:03:01+08:00",
              "utc": "1953-01-04T13:03:01Z",
              "ms": -536151419499.8487
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:56 on Sat 3 Jan to 21:35 on Sun 4 Jan.",
          "fact": "1953-01-03T10:56:23Z → 1953-01-04T13:35:06Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:11 on the 3rd and 21:03 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1926 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Saturday 3 January.",
          "fact": "confidence: boundary (tie-break-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": "1953-01-03",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-03",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Saturday 3 January. Caturthī runs from 18:56 on Sat 3 Jan to 21:35 on Sun 4 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-01-03",
      "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/1953/ekadashi?on=1953-01-12",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1897,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-01-11T08:03:29+08:00",
          "utc": "1953-01-11T00:03:29Z",
          "ms": -535593391194.14764
        },
        "end": {
          "local": "1953-01-12T07:23:42+08:00",
          "utc": "1953-01-11T23:23:42Z",
          "ms": -535509377946.3721
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-11T08:03:29+08:00",
          "utc": "1953-01-11T00:03:29Z",
          "ms": -535593391194.14764
        },
        "end": {
          "local": "1953-01-12T07:23:42+08:00",
          "utc": "1953-01-11T23:23:42Z",
          "ms": -535509377946.3721
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-01-11",
          "window": {
            "start": {
              "local": "1953-01-11T06:52:03+08:00",
              "utc": "1953-01-10T22:52:03Z",
              "ms": -535597677041.1729
            },
            "end": {
              "local": "1953-01-11T06:52:03+08:00",
              "utc": "1953-01-10T22:52:03Z",
              "ms": -535597677041.1729
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-01-12",
          "window": {
            "start": {
              "local": "1953-01-12T06:52:05+08:00",
              "utc": "1953-01-11T22:52:05Z",
              "ms": -535511274598.54974
            },
            "end": {
              "local": "1953-01-12T06:52:05+08:00",
              "utc": "1953-01-11T22:52:05Z",
              "ms": -535511274598.54974
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:03 on Sun 11 Jan to 07:24 on Mon 12 Jan.",
          "fact": "1953-01-11T00:03:29Z → 1953-01-11T23:23:42Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:52 on the 11th and 06:52 on the 12th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is 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 1897 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 1953: Monday 12 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": "1953-01-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 1953 falls on Monday 12 January. Ekādaśī runs from 08:03 on Sun 11 Jan to 07:24 on Mon 12 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-01-12",
      "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/1953/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24237,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        },
        "end": {
          "local": "1953-02-12T13:15:07+08:00",
          "utc": "1953-02-12T05:15:07Z",
          "ms": -532809893344.9871
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        },
        "end": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1953-01-13",
          "window": {
            "start": {
              "local": "1953-01-12T17:30:06+08:00",
              "utc": "1953-01-12T09:30:06Z",
              "ms": -535472994395.7159
            },
            "end": {
              "local": "1953-01-13T17:30:51+08:00",
              "utc": "1953-01-13T09:30:51Z",
              "ms": -535386548749.8277
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "1953-01-14",
          "window": {
            "start": {
              "local": "1953-01-13T17:30:51+08:00",
              "utc": "1953-01-13T09:30:51Z",
              "ms": -535386548749.8277
            },
            "end": {
              "local": "1953-01-14T17:31:37+08:00",
              "utc": "1953-01-14T09:31:37Z",
              "ms": -535300102840.5169
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "1953-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 00:15 on Wed 14 Jan.",
          "fact": "1953-01-13T16:14:48Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th 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 24237 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Wednesday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Fuzhou, 1953: Tuesday 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": "1953-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1953-01-13",
          "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": "1953-01-12",
          "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 1953 falls on Tuesday 13 January. It is kept the day before Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 00:15 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/pradosha-vrata?on=1953-01-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30770,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-01-13T05:57:22+08:00",
          "utc": "1953-01-12T21:57:22Z",
          "ms": -535428157531.61176
        },
        "end": {
          "local": "1953-01-14T03:50:31+08:00",
          "utc": "1953-01-13T19:50:31Z",
          "ms": -535349368601.7789
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-13T05:57:22+08:00",
          "utc": "1953-01-12T21:57:22Z",
          "ms": -535428157531.61176
        },
        "end": {
          "local": "1953-01-14T03:50:31+08:00",
          "utc": "1953-01-13T19:50:31Z",
          "ms": -535349368601.7789
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-01-12",
          "window": {
            "start": {
              "local": "1953-01-12T17:30:06+08:00",
              "utc": "1953-01-12T09:30:06Z",
              "ms": -535472994395.7159
            },
            "end": {
              "local": "1953-01-12T19:17:02+08:00",
              "utc": "1953-01-12T11:17:02Z",
              "ms": -535466578296.6697
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        },
        {
          "local_date": "1953-01-13",
          "window": {
            "start": {
              "local": "1953-01-13T17:30:51+08:00",
              "utc": "1953-01-13T09:30:51Z",
              "ms": -535386548749.8277
            },
            "end": {
              "local": "1953-01-13T19:17:41+08:00",
              "utc": "1953-01-13T11:17:41Z",
              "ms": -535380138811.3417
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:57 on Tue 13 Jan to 03:51 on Wed 14 Jan.",
          "fact": "1953-01-12T21:57:22Z → 1953-01-13T19:50:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:30–19:17 on the 12th, 17:31–19:18 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 107 minutes on the 12th and 107 of 107 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 30770 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Tuesday 13 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": "1953-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Tuesday 13 January. Trayodaśī runs from 05:57 on Tue 13 Jan to 03:51 on Wed 14 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-01-13",
      "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/1953/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24237,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        },
        "end": {
          "local": "1953-02-12T13:15:07+08:00",
          "utc": "1953-02-12T05:15:07Z",
          "ms": -532809893344.9871
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        },
        "end": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1953-01-13",
          "window": {
            "start": {
              "local": "1953-01-12T17:30:06+08:00",
              "utc": "1953-01-12T09:30:06Z",
              "ms": -535472994395.7159
            },
            "end": {
              "local": "1953-01-13T17:30:51+08:00",
              "utc": "1953-01-13T09:30:51Z",
              "ms": -535386548749.8277
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "1953-01-14",
          "window": {
            "start": {
              "local": "1953-01-13T17:30:51+08:00",
              "utc": "1953-01-13T09:30:51Z",
              "ms": -535386548749.8277
            },
            "end": {
              "local": "1953-01-14T17:31:37+08:00",
              "utc": "1953-01-14T09:31:37Z",
              "ms": -535300102840.5169
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 00:15 on Wed 14 Jan.",
          "fact": "1953-01-13T16:14:48Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th 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 24237 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Fuzhou, 1953: Wednesday 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": "1953-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1953-01-14",
          "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": "1953-01-13",
          "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, Pongal 1953 falls on Wednesday 14 January. The Sun enters Makara at 00:15 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 888,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        },
        "end": {
          "local": "1953-02-12T13:15:07+08:00",
          "utc": "1953-02-12T05:15:07Z",
          "ms": -532809893344.9871
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        },
        "end": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "1953-01-13",
          "window": {
            "start": {
              "local": "1953-01-13T00:00:00+08:00",
              "utc": "1953-01-12T16:00:00Z",
              "ms": -535449600000
            },
            "end": {
              "local": "1953-01-14T00:00:00+08:00",
              "utc": "1953-01-13T16:00:00Z",
              "ms": -535363200000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "1953-01-14",
          "window": {
            "start": {
              "local": "1953-01-14T00:00:00+08:00",
              "utc": "1953-01-13T16:00:00Z",
              "ms": -535363200000
            },
            "end": {
              "local": "1953-01-15T00:00:00+08:00",
              "utc": "1953-01-14T16:00:00Z",
              "ms": -535276800000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 00:15 on Wed 14 Jan.",
          "fact": "1953-01-13T16:14:48Z · 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 13th.",
          "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 888 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Fuzhou, 1953: Wednesday 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": "1953-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "1953-01-13",
          "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."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "1953-01-14",
          "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 1953 falls on Wednesday 14 January. The Sun enters Makara at 00:15 on Wed 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4484,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-01-14T03:50:31+08:00",
          "utc": "1953-01-13T19:50:31Z",
          "ms": -535349368601.7789
        },
        "end": {
          "local": "1953-01-15T01:11:08+08:00",
          "utc": "1953-01-14T17:11:08Z",
          "ms": -535272532158.9117
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-14T03:50:31+08:00",
          "utc": "1953-01-13T19:50:31Z",
          "ms": -535349368601.7789
        },
        "end": {
          "local": "1953-01-15T01:11:08+08:00",
          "utc": "1953-01-14T17:11:08Z",
          "ms": -535272532158.9117
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1953-01-14",
          "window": {
            "start": {
              "local": "1953-01-14T05:05:16+08:00",
              "utc": "1953-01-13T21:05:16Z",
              "ms": -535344884149.6684
            },
            "end": {
              "local": "1953-01-14T06:52:06+08:00",
              "utc": "1953-01-13T22:52:06Z",
              "ms": -535338474211.1824
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "1953-01-15",
          "window": {
            "start": {
              "local": "1953-01-15T05:05:20+08:00",
              "utc": "1953-01-14T21:05:20Z",
              "ms": -535258479821.50275
            },
            "end": {
              "local": "1953-01-15T06:52:04+08:00",
              "utc": "1953-01-14T22:52:04Z",
              "ms": -535252076280.11597
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:51 on Wed 14 Jan to 01:11 on Thu 15 Jan.",
          "fact": "1953-01-13T19:50:31Z → 1953-01-14T17:11:08Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:52 on the 14th, 05:05–06:52 on the 15th.",
          "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 107 of 107 minutes on the 14th and 0 of 107 on the 15th.",
          "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 4484 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Fuzhou, 1953: Wednesday 14 January.",
          "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": "1953-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Tarpaṇa 1953 falls on Wednesday 14 January. Caturdaśī runs from 03:51 on Wed 14 Jan to 01:11 on Thu 15 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/shivaratri?on=1953-01-14",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2117,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-01-14T03:50:31+08:00",
          "utc": "1953-01-13T19:50:31Z",
          "ms": -535349368601.7789
        },
        "end": {
          "local": "1953-01-15T01:11:08+08:00",
          "utc": "1953-01-14T17:11:08Z",
          "ms": -535272532158.9117
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-14T03:50:31+08:00",
          "utc": "1953-01-13T19:50:31Z",
          "ms": -535349368601.7789
        },
        "end": {
          "local": "1953-01-15T01:11:08+08:00",
          "utc": "1953-01-14T17:11:08Z",
          "ms": -535272532158.9117
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-01-13",
          "window": {
            "start": {
              "local": "1953-01-13T23:47:29+08:00",
              "utc": "1953-01-13T15:47:29Z",
              "ms": -535363951480.505
            },
            "end": {
              "local": "1953-01-14T00:35:29+08:00",
              "utc": "1953-01-13T16:35:29Z",
              "ms": -535361071480.505
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-01-14",
          "window": {
            "start": {
              "local": "1953-01-14T23:47:50+08:00",
              "utc": "1953-01-14T15:47:50Z",
              "ms": -535277529560.3164
            },
            "end": {
              "local": "1953-01-15T00:35:50+08:00",
              "utc": "1953-01-14T16:35:50Z",
              "ms": -535274649560.3164
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:51 on Wed 14 Jan to 01:11 on Thu 15 Jan.",
          "fact": "1953-01-13T19:50:31Z → 1953-01-14T17:11:08Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 13th, 23:48–00:36 on the 14th.",
          "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 13th and 48 of 48 on the 14th.",
          "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 2117 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Wednesday 14 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": "1953-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Wednesday 14 January. Caturdaśī runs from 03:51 on Wed 14 Jan to 01:11 on Thu 15 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-01-14",
      "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/1953/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24237,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        },
        "end": {
          "local": "1953-02-12T13:15:07+08:00",
          "utc": "1953-02-12T05:15:07Z",
          "ms": -532809893344.9871
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        },
        "end": {
          "local": "1953-01-14T00:14:48+08:00",
          "utc": "1953-01-13T16:14:48Z",
          "ms": -535362311648.9684
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1953-01-13",
          "window": {
            "start": {
              "local": "1953-01-12T17:30:06+08:00",
              "utc": "1953-01-12T09:30:06Z",
              "ms": -535472994395.7159
            },
            "end": {
              "local": "1953-01-13T17:30:51+08:00",
              "utc": "1953-01-13T09:30:51Z",
              "ms": -535386548749.8277
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "1953-01-14",
          "window": {
            "start": {
              "local": "1953-01-13T17:30:51+08:00",
              "utc": "1953-01-13T09:30:51Z",
              "ms": -535386548749.8277
            },
            "end": {
              "local": "1953-01-14T17:31:37+08:00",
              "utc": "1953-01-14T09:31:37Z",
              "ms": -535300102840.5169
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "1953-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 00:15 on Wed 14 Jan.",
          "fact": "1953-01-13T16:14:48Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th 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 24237 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Wednesday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Fuzhou, 1953: Thursday 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": "1953-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1953-01-15",
          "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": "1953-01-14",
          "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, Mattu Pongal 1953 falls on Thursday 15 January. It is kept the day after Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 00:15 on Wed 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1424,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-01-18T12:13:31+08:00",
          "utc": "1953-01-18T04:13:31Z",
          "ms": -534973588871.4604
        },
        "end": {
          "local": "1953-01-19T09:09:45+08:00",
          "utc": "1953-01-19T01:09:45Z",
          "ms": -534898215136.1756
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-18T12:13:31+08:00",
          "utc": "1953-01-18T04:13:31Z",
          "ms": -534973588871.4604
        },
        "end": {
          "local": "1953-01-19T09:09:45+08:00",
          "utc": "1953-01-19T01:09:45Z",
          "ms": -534898215136.1756
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-01-18",
          "window": {
            "start": {
              "local": "1953-01-18T11:49:15+08:00",
              "utc": "1953-01-18T03:49:15Z",
              "ms": -534975044520.8311
            },
            "end": {
              "local": "1953-01-18T12:37:15+08:00",
              "utc": "1953-01-18T04:37:15Z",
              "ms": -534972164520.8311
            }
          },
          "covered_min": 24,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-01-19",
          "window": {
            "start": {
              "local": "1953-01-19T11:49:35+08:00",
              "utc": "1953-01-19T03:49:35Z",
              "ms": -534888625308.9658
            },
            "end": {
              "local": "1953-01-19T12:37:35+08:00",
              "utc": "1953-01-19T04:37:35Z",
              "ms": -534885745308.9658
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:14 on Sun 18 Jan to 09:10 on Mon 19 Jan.",
          "fact": "1953-01-18T04:13:31Z → 1953-01-19T01:09:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 18th, 11:50–12:38 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 24 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: purvaviddha → only-day · margin 1424 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Fuzhou, 1953: Sunday 18 January.",
          "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": "1953-01-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1953 falls on Sunday 18 January. Caturthī runs from 12:14 on Sun 18 Jan to 09:10 on Mon 19 Jan and covers 24 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19271,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-01-18T12:13:31+08:00",
          "utc": "1953-01-18T04:13:31Z",
          "ms": -534973588871.4604
        },
        "end": {
          "local": "1953-01-19T09:09:45+08:00",
          "utc": "1953-01-19T01:09:45Z",
          "ms": -534898215136.1756
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-18T12:13:31+08:00",
          "utc": "1953-01-18T04:13:31Z",
          "ms": -534973588871.4604
        },
        "end": {
          "local": "1953-01-19T09:09:45+08:00",
          "utc": "1953-01-19T01:09:45Z",
          "ms": -534898215136.1756
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-01-18",
          "window": {
            "start": {
              "local": "1953-01-18T17:34:43+08:00",
              "utc": "1953-01-18T09:34:43Z",
              "ms": -534954317434.2476
            },
            "end": {
              "local": "1953-01-18T19:20:58+08:00",
              "utc": "1953-01-18T11:20:58Z",
              "ms": -534947941745.53125
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "1953-01-19",
          "window": {
            "start": {
              "local": "1953-01-19T17:35:29+08:00",
              "utc": "1953-01-19T09:35:29Z",
              "ms": -534867870849.05664
            },
            "end": {
              "local": "1953-01-19T19:21:37+08:00",
              "utc": "1953-01-19T11:21:37Z",
              "ms": -534861502663.5048
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:14 on Sun 18 Jan to 09:10 on Mon 19 Jan.",
          "fact": "1953-01-18T04:13:31Z → 1953-01-19T01:09:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:21 on the 18th, 17:35–19:22 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during pradoṣa. It covers 106 of 106 minutes on the 18th and 0 of 106 on the 19th.",
          "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 19271 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Fuzhou, 1953: Sunday 18 January.",
          "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": "1953-01-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Tila Caturthī 1953 falls on Sunday 18 January. Caturthī runs from 12:14 on Sun 18 Jan to 09:10 on Mon 19 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9590,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1953-01-19T09:09:45+08:00",
          "utc": "1953-01-19T01:09:45Z",
          "ms": -534898215136.1756
        },
        "end": {
          "local": "1953-01-20T06:26:16+08:00",
          "utc": "1953-01-19T22:26:16Z",
          "ms": -534821624365.34174
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-19T09:09:45+08:00",
          "utc": "1953-01-19T01:09:45Z",
          "ms": -534898215136.1756
        },
        "end": {
          "local": "1953-01-20T06:26:16+08:00",
          "utc": "1953-01-19T22:26:16Z",
          "ms": -534821624365.34174
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-01-19",
          "window": {
            "start": {
              "local": "1953-01-19T11:49:35+08:00",
              "utc": "1953-01-19T03:49:35Z",
              "ms": -534888625308.9658
            },
            "end": {
              "local": "1953-01-19T12:37:35+08:00",
              "utc": "1953-01-19T04:37:35Z",
              "ms": -534885745308.9658
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-01-20",
          "window": {
            "start": {
              "local": "1953-01-20T11:49:53+08:00",
              "utc": "1953-01-20T03:49:53Z",
              "ms": -534802206852.4483
            },
            "end": {
              "local": "1953-01-20T12:37:53+08:00",
              "utc": "1953-01-20T04:37:53Z",
              "ms": -534799326852.4483
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 09:10 on Mon 19 Jan to 06:26 on Tue 20 Jan.",
          "fact": "1953-01-19T01:09:45Z → 1953-01-19T22:26:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 19th, 11:50–12:38 on the 20th.",
          "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 19th and 0 of 48 on the 20th.",
          "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 9590 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Fuzhou, 1953: Monday 19 January.",
          "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": "1953-01-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Pañcamī 1953 falls on Monday 19 January. Pañcamī runs from 09:10 on Mon 19 Jan to 06:26 on Tue 20 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9590,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1953-01-19T09:09:45+08:00",
          "utc": "1953-01-19T01:09:45Z",
          "ms": -534898215136.1756
        },
        "end": {
          "local": "1953-01-20T06:26:16+08:00",
          "utc": "1953-01-19T22:26:16Z",
          "ms": -534821624365.34174
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-19T09:09:45+08:00",
          "utc": "1953-01-19T01:09:45Z",
          "ms": -534898215136.1756
        },
        "end": {
          "local": "1953-01-20T06:26:16+08:00",
          "utc": "1953-01-19T22:26:16Z",
          "ms": -534821624365.34174
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-01-19",
          "window": {
            "start": {
              "local": "1953-01-19T11:49:35+08:00",
              "utc": "1953-01-19T03:49:35Z",
              "ms": -534888625308.9658
            },
            "end": {
              "local": "1953-01-19T12:37:35+08:00",
              "utc": "1953-01-19T04:37:35Z",
              "ms": -534885745308.9658
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-01-20",
          "window": {
            "start": {
              "local": "1953-01-20T11:49:53+08:00",
              "utc": "1953-01-20T03:49:53Z",
              "ms": -534802206852.4483
            },
            "end": {
              "local": "1953-01-20T12:37:53+08:00",
              "utc": "1953-01-20T04:37:53Z",
              "ms": -534799326852.4483
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 09:10 on Mon 19 Jan to 06:26 on Tue 20 Jan.",
          "fact": "1953-01-19T01:09:45Z → 1953-01-19T22:26:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 19th, 11:50–12:38 on the 20th.",
          "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 19th and 0 of 48 on the 20th.",
          "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 9590 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Fuzhou, 1953: Monday 19 January.",
          "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": "1953-01-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasanta Pañcamī 1953 falls on Monday 19 January. Pañcamī runs from 09:10 on Mon 19 Jan to 06:26 on Tue 20 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3369,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1953-01-21T04:09:10+08:00",
          "utc": "1953-01-20T20:09:10Z",
          "ms": -534743449675.72424
        },
        "end": {
          "local": "1953-01-22T02:23:07+08:00",
          "utc": "1953-01-21T18:23:07Z",
          "ms": -534663413316.44684
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-21T04:09:10+08:00",
          "utc": "1953-01-20T20:09:10Z",
          "ms": -534743449675.72424
        },
        "end": {
          "local": "1953-01-22T02:23:07+08:00",
          "utc": "1953-01-21T18:23:07Z",
          "ms": -534663413316.44684
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1953-01-21",
          "window": {
            "start": {
              "local": "1953-01-21T05:05:19+08:00",
              "utc": "1953-01-20T21:05:19Z",
              "ms": -534740081146.3598
            },
            "end": {
              "local": "1953-01-21T06:51:19+08:00",
              "utc": "1953-01-20T22:51:19Z",
              "ms": -534733720669.26465
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "1953-01-22",
          "window": {
            "start": {
              "local": "1953-01-22T05:05:14+08:00",
              "utc": "1953-01-21T21:05:14Z",
              "ms": -534653685966.85626
            },
            "end": {
              "local": "1953-01-22T06:51:07+08:00",
              "utc": "1953-01-21T22:51:07Z",
              "ms": -534647333398.062
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 04:09 on Wed 21 Jan to 02:23 on Thu 22 Jan.",
          "fact": "1953-01-20T20:09:10Z → 1953-01-21T18:23:07Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:51 on the 21st, 05:05–06:51 on the 22nd.",
          "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 106 of 106 minutes on the 21st and 0 of 106 on the 22nd.",
          "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 3369 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Fuzhou, 1953: Wednesday 21 January.",
          "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": "1953-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ratha Saptamī 1953 falls on Wednesday 21 January. Saptamī runs from 04:09 on Wed 21 Jan to 02:23 on Thu 22 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-01-25",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20762,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-01-25T00:32:27+08:00",
          "utc": "1953-01-24T16:32:27Z",
          "ms": -534410852927.5178
        },
        "end": {
          "local": "1953-01-26T01:03:59+08:00",
          "utc": "1953-01-25T17:03:59Z",
          "ms": -534322561169.485
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-25T00:32:27+08:00",
          "utc": "1953-01-24T16:32:27Z",
          "ms": -534410852927.5178
        },
        "end": {
          "local": "1953-01-26T01:03:59+08:00",
          "utc": "1953-01-25T17:03:59Z",
          "ms": -534322561169.485
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-01-25",
          "window": {
            "start": {
              "local": "1953-01-25T06:50:19+08:00",
              "utc": "1953-01-24T22:50:19Z",
              "ms": -534388180589.28357
            },
            "end": {
              "local": "1953-01-25T06:50:19+08:00",
              "utc": "1953-01-24T22:50:19Z",
              "ms": -534388180589.28357
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-01-26",
          "window": {
            "start": {
              "local": "1953-01-26T06:50:01+08:00",
              "utc": "1953-01-25T22:50:01Z",
              "ms": -534301799280.2674
            },
            "end": {
              "local": "1953-01-26T06:50:01+08:00",
              "utc": "1953-01-25T22:50:01Z",
              "ms": -534301799280.2674
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:32 on Sun 25 Jan to 01:04 on Mon 26 Jan.",
          "fact": "1953-01-24T16:32:27Z → 1953-01-25T17:03:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:50 on the 25th and 06:50 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 20762 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Fuzhou, 1953: Sunday 25 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": "1953-01-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jayā Ekādaśī 1953 falls on Sunday 25 January. Ekādaśī runs from 00:32 on Sun 25 Jan to 01:04 on Mon 26 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-01-25",
      "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/1953/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35123,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1953-01-26T01:03:59+08:00",
          "utc": "1953-01-25T17:03:59Z",
          "ms": -534322561169.485
        },
        "end": {
          "local": "1953-01-27T02:06:18+08:00",
          "utc": "1953-01-26T18:06:18Z",
          "ms": -534232422447.84937
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-26T01:03:59+08:00",
          "utc": "1953-01-25T17:03:59Z",
          "ms": -534322561169.485
        },
        "end": {
          "local": "1953-01-27T02:06:18+08:00",
          "utc": "1953-01-26T18:06:18Z",
          "ms": -534232422447.84937
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-01-26",
          "window": {
            "start": {
              "local": "1953-01-26T11:51:27+08:00",
              "utc": "1953-01-26T03:51:27Z",
              "ms": -534283712675.21545
            },
            "end": {
              "local": "1953-01-26T12:39:27+08:00",
              "utc": "1953-01-26T04:39:27Z",
              "ms": -534280832675.21545
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-01-27",
          "window": {
            "start": {
              "local": "1953-01-27T11:51:40+08:00",
              "utc": "1953-01-27T03:51:40Z",
              "ms": -534197299812.8646
            },
            "end": {
              "local": "1953-01-27T12:39:40+08:00",
              "utc": "1953-01-27T04:39:40Z",
              "ms": -534194419812.8646
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 01:04 on Mon 26 Jan to 02:06 on Tue 27 Jan.",
          "fact": "1953-01-25T17:03:59Z → 1953-01-26T18:06:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 26th, 11:52–12:40 on the 27th.",
          "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 26th and 0 of 48 on the 27th.",
          "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 35123 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Fuzhou, 1953: Monday 26 January.",
          "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": "1953-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhīṣma Dvādaśī 1953 falls on Monday 26 January. Dvādaśī runs from 01:04 on Mon 26 Jan to 02:06 on Tue 27 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/pradosha-vrata?on=1953-01-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24013,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-01-27T02:06:18+08:00",
          "utc": "1953-01-26T18:06:18Z",
          "ms": -534232422447.84937
        },
        "end": {
          "local": "1953-01-28T03:36:13+08:00",
          "utc": "1953-01-27T19:36:13Z",
          "ms": -534140626977.8194
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-27T02:06:18+08:00",
          "utc": "1953-01-26T18:06:18Z",
          "ms": -534232422447.84937
        },
        "end": {
          "local": "1953-01-28T03:36:13+08:00",
          "utc": "1953-01-27T19:36:13Z",
          "ms": -534140626977.8194
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-01-26",
          "window": {
            "start": {
              "local": "1953-01-26T17:40:54+08:00",
              "utc": "1953-01-26T09:40:54Z",
              "ms": -534262746070.16345
            },
            "end": {
              "local": "1953-01-26T19:26:04+08:00",
              "utc": "1953-01-26T11:26:04Z",
              "ms": -534256435851.1481
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "1953-01-27",
          "window": {
            "start": {
              "local": "1953-01-27T17:41:40+08:00",
              "utc": "1953-01-27T09:41:40Z",
              "ms": -534176300198.1811
            },
            "end": {
              "local": "1953-01-27T19:26:41+08:00",
              "utc": "1953-01-27T11:26:41Z",
              "ms": -534169998973.7612
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:06 on Tue 27 Jan to 03:36 on Wed 28 Jan.",
          "fact": "1953-01-26T18:06:18Z → 1953-01-27T19:36:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:26 on the 26th, 17:42–19:27 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 105 minutes on the 26th and 105 of 105 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 24013 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Tuesday 27 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": "1953-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Tuesday 27 January. Trayodaśī runs from 02:06 on Tue 27 Jan to 03:36 on Wed 28 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-01-27",
      "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/1953/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-01-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14884,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-01-29T05:30:11+08:00",
          "utc": "1953-01-28T21:30:11Z",
          "ms": -534047389372.3172
        },
        "end": {
          "local": "1953-01-30T07:44:10+08:00",
          "utc": "1953-01-29T23:44:10Z",
          "ms": -533952949671.5686
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-01-29T05:30:11+08:00",
          "utc": "1953-01-28T21:30:11Z",
          "ms": -534047389372.3172
        },
        "end": {
          "local": "1953-01-30T07:44:10+08:00",
          "utc": "1953-01-29T23:44:10Z",
          "ms": -533952949671.5686
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-01-29",
          "window": {
            "start": {
              "local": "1953-01-29T11:52:03+08:00",
              "utc": "1953-01-29T03:52:03Z",
              "ms": -534024476551.43225
            },
            "end": {
              "local": "1953-01-29T12:40:03+08:00",
              "utc": "1953-01-29T04:40:03Z",
              "ms": -534021596551.43225
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-01-30",
          "window": {
            "start": {
              "local": "1953-01-30T11:52:14+08:00",
              "utc": "1953-01-30T03:52:14Z",
              "ms": -533938066153.4322
            },
            "end": {
              "local": "1953-01-30T12:40:14+08:00",
              "utc": "1953-01-30T04:40:14Z",
              "ms": -533935186153.4322
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:30 on Thu 29 Jan to 07:44 on Fri 30 Jan.",
          "fact": "1953-01-28T21:30:11Z → 1953-01-29T23:44:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 29th, 11:52–12:40 on the 30th.",
          "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 29th and 0 of 48 on the 30th.",
          "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 14884 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Fuzhou, 1953: Thursday 29 January.",
          "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": "1953-01-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-01-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Māghī Pūrṇimā 1953 falls on Thursday 29 January. Pūrṇimā runs from 05:30 on Thu 29 Jan to 07:44 on Fri 30 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-02-02",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11943,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-02-02T15:34:19+08:00",
          "utc": "1953-02-02T07:34:19Z",
          "ms": -533665541132.38153
        },
        "end": {
          "local": "1953-02-03T18:10:09+08:00",
          "utc": "1953-02-03T10:10:09Z",
          "ms": -533569791019.31976
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-02T15:34:19+08:00",
          "utc": "1953-02-02T07:34:19Z",
          "ms": -533665541132.38153
        },
        "end": {
          "local": "1953-02-03T18:10:09+08:00",
          "utc": "1953-02-03T10:10:09Z",
          "ms": -533569791019.31976
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-02-02",
          "window": {
            "start": {
              "local": "1953-02-02T20:38:32+08:00",
              "utc": "1953-02-02T12:38:32Z",
              "ms": -533647288049.80206
            },
            "end": {
              "local": "1953-02-02T20:38:32+08:00",
              "utc": "1953-02-02T12:38:32Z",
              "ms": -533647288049.80206
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-02-03",
          "window": {
            "start": {
              "local": "1953-02-03T21:29:12+08:00",
              "utc": "1953-02-03T13:29:12Z",
              "ms": -533557848109.54224
            },
            "end": {
              "local": "1953-02-03T21:29:12+08:00",
              "utc": "1953-02-03T13:29:12Z",
              "ms": -533557848109.54224
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:34 on Mon 2 Feb to 18:10 on Tue 3 Feb.",
          "fact": "1953-02-02T07:34:19Z → 1953-02-03T10:10:09Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:39 on the 2nd and 21:29 on the 3rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 2nd and is not on the 3rd.",
          "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 11943 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Monday 2 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": "1953-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Monday 2 February. Caturthī runs from 15:34 on Mon 2 Feb to 18:10 on Tue 3 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-02-02",
      "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/1953/ekadashi?on=1953-02-10",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26805,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-02-09T23:15:51+08:00",
          "utc": "1953-02-09T15:15:51Z",
          "ms": -533033048917.66516
        },
        "end": {
          "local": "1953-02-10T21:32:59+08:00",
          "utc": "1953-02-10T13:32:59Z",
          "ms": -532952821153.83405
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-09T23:15:51+08:00",
          "utc": "1953-02-09T15:15:51Z",
          "ms": -533033048917.66516
        },
        "end": {
          "local": "1953-02-10T21:32:59+08:00",
          "utc": "1953-02-10T13:32:59Z",
          "ms": -532952821153.83405
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-02-10",
          "window": {
            "start": {
              "local": "1953-02-10T06:42:36+08:00",
              "utc": "1953-02-09T22:42:36Z",
              "ms": -533006243996.4071
            },
            "end": {
              "local": "1953-02-10T06:42:36+08:00",
              "utc": "1953-02-09T22:42:36Z",
              "ms": -533006243996.4071
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-02-11",
          "window": {
            "start": {
              "local": "1953-02-11T06:41:56+08:00",
              "utc": "1953-02-10T22:41:56Z",
              "ms": -532919883659.9723
            },
            "end": {
              "local": "1953-02-11T06:41:56+08:00",
              "utc": "1953-02-10T22:41:56Z",
              "ms": -532919883659.9723
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:16 on Mon 9 Feb to 21:33 on Tue 10 Feb.",
          "fact": "1953-02-09T15:15:51Z → 1953-02-10T13:32:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:43 on the 10th and 06:42 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.",
          "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 26805 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Fuzhou, 1953: Tuesday 10 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": "1953-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Ekādaśī 1953 falls on Tuesday 10 February. Ekādaśī runs from 23:16 on Mon 9 Feb to 21:33 on Tue 10 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-02-10",
      "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/1953/pradosha-vrata?on=1953-02-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-02-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1549,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-02-11T19:09:15+08:00",
          "utc": "1953-02-11T11:09:15Z",
          "ms": -532875044666.2799
        },
        "end": {
          "local": "1953-02-12T16:11:42+08:00",
          "utc": "1953-02-12T08:11:42Z",
          "ms": -532799297771.80347
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-11T19:09:15+08:00",
          "utc": "1953-02-11T11:09:15Z",
          "ms": -532875044666.2799
        },
        "end": {
          "local": "1953-02-12T16:11:42+08:00",
          "utc": "1953-02-12T08:11:42Z",
          "ms": -532799297771.80347
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-02-11",
          "window": {
            "start": {
              "local": "1953-02-11T17:52:35+08:00",
              "utc": "1953-02-11T09:52:35Z",
              "ms": -532879645011.66034
            },
            "end": {
              "local": "1953-02-11T19:35:04+08:00",
              "utc": "1953-02-11T11:35:04Z",
              "ms": -532873495603.3823
            }
          },
          "covered_min": 26,
          "window_min": 102,
          "qualifies": true
        },
        {
          "local_date": "1953-02-12",
          "window": {
            "start": {
              "local": "1953-02-12T17:53:16+08:00",
              "utc": "1953-02-12T09:53:16Z",
              "ms": -532793204096.9021
            },
            "end": {
              "local": "1953-02-12T19:35:34+08:00",
              "utc": "1953-02-12T11:35:34Z",
              "ms": -532787065729.80536
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:09 on Wed 11 Feb to 16:12 on Thu 12 Feb.",
          "fact": "1953-02-11T11:09:15Z → 1953-02-12T08:11:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:35 on the 11th, 17:53–19:36 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 26 of 102 minutes on the 11th and 0 of 102 on the 12th.",
          "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 1549 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Wednesday 11 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": "1953-02-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-02-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Wednesday 11 February. Trayodaśī runs from 19:09 on Wed 11 Feb to 16:12 on Thu 12 Feb and covers 26 of 102 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-02-11",
      "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/1953/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-02-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27673,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-02-12T16:11:42+08:00",
          "utc": "1953-02-12T08:11:42Z",
          "ms": -532799297771.80347
        },
        "end": {
          "local": "1953-02-13T12:48:52+08:00",
          "utc": "1953-02-13T04:48:52Z",
          "ms": -532725068107.9588
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-12T16:11:42+08:00",
          "utc": "1953-02-12T08:11:42Z",
          "ms": -532799297771.80347
        },
        "end": {
          "local": "1953-02-13T12:48:52+08:00",
          "utc": "1953-02-13T04:48:52Z",
          "ms": -532725068107.9588
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-02-12",
          "window": {
            "start": {
              "local": "1953-02-12T23:52:55+08:00",
              "utc": "1953-02-12T15:52:55Z",
              "ms": -532771625220.2894
            },
            "end": {
              "local": "1953-02-13T00:40:55+08:00",
              "utc": "1953-02-12T16:40:55Z",
              "ms": -532768745220.2894
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-02-13",
          "window": {
            "start": {
              "local": "1953-02-13T23:52:54+08:00",
              "utc": "1953-02-13T15:52:54Z",
              "ms": -532685226455.2512
            },
            "end": {
              "local": "1953-02-14T00:40:54+08:00",
              "utc": "1953-02-13T16:40:54Z",
              "ms": -532682346455.2512
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:12 on Thu 12 Feb to 12:49 on Fri 13 Feb.",
          "fact": "1953-02-12T08:11:42Z → 1953-02-13T04:48:52Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 12th, 23:53–00:41 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "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 27673 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Fuzhou, 1953: Thursday 12 February.",
          "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": "1953-02-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-02-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāśivarātri 1953 falls on Thursday 12 February. Caturdaśī runs from 16:12 on Thu 12 Feb to 12:49 on Fri 13 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vinayaka-chaturthi?on=1953-02-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-02-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23923,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-02-16T22:20:51+08:00",
          "utc": "1953-02-16T14:20:51Z",
          "ms": -532431548663.7199
        },
        "end": {
          "local": "1953-02-17T19:19:48+08:00",
          "utc": "1953-02-17T11:19:48Z",
          "ms": -532356012144.9594
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-16T22:20:51+08:00",
          "utc": "1953-02-16T14:20:51Z",
          "ms": -532431548663.7199
        },
        "end": {
          "local": "1953-02-17T19:19:48+08:00",
          "utc": "1953-02-17T11:19:48Z",
          "ms": -532356012144.9594
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-02-16",
          "window": {
            "start": {
              "local": "1953-02-16T11:53:08+08:00",
              "utc": "1953-02-16T03:53:08Z",
              "ms": -532469211526.5659
            },
            "end": {
              "local": "1953-02-16T12:41:08+08:00",
              "utc": "1953-02-16T04:41:08Z",
              "ms": -532466331526.5659
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-02-17",
          "window": {
            "start": {
              "local": "1953-02-17T11:53:05+08:00",
              "utc": "1953-02-17T03:53:05Z",
              "ms": -532382815185.20984
            },
            "end": {
              "local": "1953-02-17T12:41:05+08:00",
              "utc": "1953-02-17T04:41:05Z",
              "ms": -532379935185.20984
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:21 on Mon 16 Feb to 19:20 on Tue 17 Feb.",
          "fact": "1953-02-16T14:20:51Z → 1953-02-17T11:19:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 16th, 11:53–12:41 on the 17th.",
          "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 16th and 48 of 48 on the 17th.",
          "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 23923 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Tuesday 17 February.",
          "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": "1953-02-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-02-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Tuesday 17 February. Caturthī runs from 22:21 on Mon 16 Feb to 19:20 on Tue 17 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-02-17",
      "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/1953/ekadashi?on=1953-02-24",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-02-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31593,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-02-23T15:19:11+08:00",
          "utc": "1953-02-23T07:19:11Z",
          "ms": -531852048523.03625
        },
        "end": {
          "local": "1953-02-24T17:03:15+08:00",
          "utc": "1953-02-24T09:03:15Z",
          "ms": -531759404864.821
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-23T15:19:11+08:00",
          "utc": "1953-02-23T07:19:11Z",
          "ms": -531852048523.03625
        },
        "end": {
          "local": "1953-02-24T17:03:15+08:00",
          "utc": "1953-02-24T09:03:15Z",
          "ms": -531759404864.821
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-02-23",
          "window": {
            "start": {
              "local": "1953-02-23T06:32:39+08:00",
              "utc": "1953-02-22T22:32:39Z",
              "ms": -531883641216.7346
            },
            "end": {
              "local": "1953-02-23T06:32:39+08:00",
              "utc": "1953-02-22T22:32:39Z",
              "ms": -531883641216.7346
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-02-24",
          "window": {
            "start": {
              "local": "1953-02-24T06:31:46+08:00",
              "utc": "1953-02-23T22:31:46Z",
              "ms": -531797293752.87067
            },
            "end": {
              "local": "1953-02-24T06:31:46+08:00",
              "utc": "1953-02-23T22:31:46Z",
              "ms": -531797293752.87067
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:19 on Mon 23 Feb to 17:03 on Tue 24 Feb.",
          "fact": "1953-02-23T07:19:11Z → 1953-02-24T09:03:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:33 on the 23rd and 06:32 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 31593 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Fuzhou, 1953: Tuesday 24 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": "1953-02-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-02-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Āmalakī Ekādaśī 1953 falls on Tuesday 24 February. Ekādaśī runs from 15:19 on Mon 23 Feb to 17:03 on Tue 24 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-02-24",
      "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/1953/pradosha-vrata?on=1953-02-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-02-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1657,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-02-25T19:13:40+08:00",
          "utc": "1953-02-25T11:13:40Z",
          "ms": -531665180427.6645
        },
        "end": {
          "local": "1953-02-26T21:41:42+08:00",
          "utc": "1953-02-26T13:41:42Z",
          "ms": -531569897804.516
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-25T19:13:40+08:00",
          "utc": "1953-02-25T11:13:40Z",
          "ms": -531665180427.6645
        },
        "end": {
          "local": "1953-02-26T21:41:42+08:00",
          "utc": "1953-02-26T13:41:42Z",
          "ms": -531569897804.516
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-02-25",
          "window": {
            "start": {
              "local": "1953-02-25T18:01:28+08:00",
              "utc": "1953-02-25T10:01:28Z",
              "ms": -531669511526.3774
            },
            "end": {
              "local": "1953-02-25T19:41:17+08:00",
              "utc": "1953-02-25T11:41:17Z",
              "ms": -531663523485.52014
            }
          },
          "covered_min": 28,
          "window_min": 100,
          "qualifies": true
        },
        {
          "local_date": "1953-02-26",
          "window": {
            "start": {
              "local": "1953-02-26T18:02:03+08:00",
              "utc": "1953-02-26T10:02:03Z",
              "ms": -531583076675.50146
            },
            "end": {
              "local": "1953-02-26T19:41:39+08:00",
              "utc": "1953-02-26T11:41:39Z",
              "ms": -531577100597.793
            }
          },
          "covered_min": 100,
          "window_min": 100,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:14 on Wed 25 Feb to 21:42 on Thu 26 Feb.",
          "fact": "1953-02-25T11:13:40Z → 1953-02-26T13:41:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:41 on the 25th, 18:02–19:42 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 28 of 100 minutes on the 25th and 100 of 100 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 1657 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Thursday 26 February.",
          "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": "1953-02-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-02-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Thursday 26 February. Trayodaśī runs from 19:14 on Wed 25 Feb to 21:42 on Thu 26 Feb and covers all of pradoṣa that evening. It also reaches the previous evening for 28 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/1953/pradosha-vrata?on=1953-02-26",
      "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/1953/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-02-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22591,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-02-28T00:19:08+08:00",
          "utc": "1953-02-27T16:19:08Z",
          "ms": -531474051548.03265
        },
        "end": {
          "local": "1953-03-01T02:58:42+08:00",
          "utc": "1953-02-28T18:58:42Z",
          "ms": -531378078051.06903
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-28T00:19:08+08:00",
          "utc": "1953-02-27T16:19:08Z",
          "ms": -531474051548.03265
        },
        "end": {
          "local": "1953-03-01T02:58:42+08:00",
          "utc": "1953-02-28T18:58:42Z",
          "ms": -531378078051.06903
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1953-02-27",
          "window": {
            "start": {
              "local": "1953-02-27T15:43:55+08:00",
              "utc": "1953-02-27T07:43:55Z",
              "ms": -531504965001.16675
            },
            "end": {
              "local": "1953-02-27T18:02:38+08:00",
              "utc": "1953-02-27T10:02:38Z",
              "ms": -531496642228.2863
            }
          },
          "covered_min": 0,
          "window_min": 139,
          "qualifies": false
        },
        {
          "local_date": "1953-02-28",
          "window": {
            "start": {
              "local": "1953-02-28T15:44:11+08:00",
              "utc": "1953-02-28T07:44:11Z",
              "ms": -531418548876.248
            },
            "end": {
              "local": "1953-02-28T18:03:12+08:00",
              "utc": "1953-02-28T10:03:12Z",
              "ms": -531410208173.8562
            }
          },
          "covered_min": 139,
          "window_min": 139,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:19 on Sat 28 Feb to 02:59 on Sun 1 Mar.",
          "fact": "1953-02-27T16:19:08Z → 1953-02-28T18:58:42Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:44–18:03 on the 27th, 15:44–18:03 on the 28th.",
          "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 139 minutes on the 27th and 139 of 139 on the 28th.",
          "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 22591 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Fuzhou, 1953: Saturday 28 February.",
          "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": "1953-02-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-02-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Holikā Dahana 1953 falls on Saturday 28 February. Pūrṇimā runs from 00:19 on Sat 28 Feb to 02:59 on Sun 1 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22591,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-02-28T00:19:08+08:00",
          "utc": "1953-02-27T16:19:08Z",
          "ms": -531474051548.03265
        },
        "end": {
          "local": "1953-03-01T02:58:42+08:00",
          "utc": "1953-02-28T18:58:42Z",
          "ms": -531378078051.06903
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-02-28T00:19:08+08:00",
          "utc": "1953-02-27T16:19:08Z",
          "ms": -531474051548.03265
        },
        "end": {
          "local": "1953-03-01T02:58:42+08:00",
          "utc": "1953-02-28T18:58:42Z",
          "ms": -531378078051.06903
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1953-02-27",
          "window": {
            "start": {
              "local": "1953-02-27T15:43:55+08:00",
              "utc": "1953-02-27T07:43:55Z",
              "ms": -531504965001.16675
            },
            "end": {
              "local": "1953-02-27T18:02:38+08:00",
              "utc": "1953-02-27T10:02:38Z",
              "ms": -531496642228.2863
            }
          },
          "covered_min": 0,
          "window_min": 139,
          "qualifies": false
        },
        {
          "local_date": "1953-02-28",
          "window": {
            "start": {
              "local": "1953-02-28T15:44:11+08:00",
              "utc": "1953-02-28T07:44:11Z",
              "ms": -531418548876.248
            },
            "end": {
              "local": "1953-02-28T18:03:12+08:00",
              "utc": "1953-02-28T10:03:12Z",
              "ms": -531410208173.8562
            }
          },
          "covered_min": 139,
          "window_min": 139,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "1953-02-28",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:19 on Sat 28 Feb to 02:59 on Sun 1 Mar.",
          "fact": "1953-02-27T16:19:08Z → 1953-02-28T18:58:42Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:44–18:03 on the 27th, 15:44–18:03 on the 28th.",
          "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 139 minutes on the 27th and 139 of 139 on the 28th.",
          "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 22591 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Saturday 28 February is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Fuzhou, 1953: Sunday 1 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": "1953-03-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Holī 1953 falls on Sunday 1 March. It is kept the day after Holikā Dahana, which falls on Saturday 28 February. Pūrṇimā runs from 00:19 on Sat 28 Feb to 02:59 on Sun 1 Mar and covers all of sāyāhna on the 28th.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3128,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1953-03-01T02:58:42+08:00",
          "utc": "1953-02-28T18:58:42Z",
          "ms": -531378078051.06903
        },
        "end": {
          "local": "1953-03-02T05:34:07+08:00",
          "utc": "1953-03-01T21:34:07Z",
          "ms": -531282353270.6482
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-01T02:58:42+08:00",
          "utc": "1953-02-28T18:58:42Z",
          "ms": -531378078051.06903
        },
        "end": {
          "local": "1953-03-02T05:34:07+08:00",
          "utc": "1953-03-01T21:34:07Z",
          "ms": -531282353270.6482
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-03-01",
          "window": {
            "start": {
              "local": "1953-03-01T06:27:12+08:00",
              "utc": "1953-02-28T22:27:12Z",
              "ms": -531365567969.8561
            },
            "end": {
              "local": "1953-03-01T06:27:12+08:00",
              "utc": "1953-02-28T22:27:12Z",
              "ms": -531365567969.8561
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-03-02",
          "window": {
            "start": {
              "local": "1953-03-02T06:26:15+08:00",
              "utc": "1953-03-01T22:26:15Z",
              "ms": -531279224915.2521
            },
            "end": {
              "local": "1953-03-02T06:26:15+08:00",
              "utc": "1953-03-01T22:26:15Z",
              "ms": -531279224915.2521
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 02:59 on Sun 1 Mar to 05:34 on Mon 2 Mar.",
          "fact": "1953-02-28T18:58:42Z → 1953-03-01T21:34:07Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:27 on the 1st and 06:26 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā 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: purvaviddha → only-day · margin 3128 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Fuzhou, 1953: Sunday 1 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": "1953-03-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasantotsava 1953 falls on Sunday 1 March. Pratipadā runs from 02:59 on Sun 1 Mar to 05:34 on Mon 2 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-03-04",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36219,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-03-04T10:10:29+08:00",
          "utc": "1953-03-04T02:10:29Z",
          "ms": -531092971201.6896
        },
        "end": {
          "local": "1953-03-05T12:00:42+08:00",
          "utc": "1953-03-05T04:00:42Z",
          "ms": -530999958360.37726
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-04T10:10:29+08:00",
          "utc": "1953-03-04T02:10:29Z",
          "ms": -531092971201.6896
        },
        "end": {
          "local": "1953-03-05T12:00:42+08:00",
          "utc": "1953-03-05T04:00:42Z",
          "ms": -530999958360.37726
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-03-04",
          "window": {
            "start": {
              "local": "1953-03-04T21:09:14+08:00",
              "utc": "1953-03-04T13:09:14Z",
              "ms": -531053445810.15704
            },
            "end": {
              "local": "1953-03-04T21:09:14+08:00",
              "utc": "1953-03-04T13:09:14Z",
              "ms": -531053445810.15704
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-03-05",
          "window": {
            "start": {
              "local": "1953-03-05T22:04:20+08:00",
              "utc": "1953-03-05T14:04:20Z",
              "ms": -530963739779.68585
            },
            "end": {
              "local": "1953-03-05T22:04:20+08:00",
              "utc": "1953-03-05T14:04:20Z",
              "ms": -530963739779.68585
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:10 on Wed 4 Mar to 12:01 on Thu 5 Mar.",
          "fact": "1953-03-04T02:10:29Z → 1953-03-05T04:00:42Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:09 on the 4th and 22:04 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.",
          "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 36219 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Wednesday 4 March.",
          "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": "1953-03-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Wednesday 4 March. Caturthī runs from 10:10 on Wed 4 Mar to 12:01 on Thu 5 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-03-04",
      "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/1953/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5485,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-03-08T14:33:19+08:00",
          "utc": "1953-03-08T06:33:19Z",
          "ms": -530731601437.2057
        },
        "end": {
          "local": "1953-03-09T14:09:07+08:00",
          "utc": "1953-03-09T06:09:07Z",
          "ms": -530646653166.1893
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-08T14:33:19+08:00",
          "utc": "1953-03-08T06:33:19Z",
          "ms": -530731601437.2057
        },
        "end": {
          "local": "1953-03-09T14:09:07+08:00",
          "utc": "1953-03-09T06:09:07Z",
          "ms": -530646653166.1893
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-08",
          "window": {
            "start": {
              "local": "1953-03-08T11:49:56+08:00",
              "utc": "1953-03-08T03:49:56Z",
              "ms": -530741403601.9817
            },
            "end": {
              "local": "1953-03-08T12:37:56+08:00",
              "utc": "1953-03-08T04:37:56Z",
              "ms": -530738523601.9817
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-03-09",
          "window": {
            "start": {
              "local": "1953-03-09T11:49:42+08:00",
              "utc": "1953-03-09T03:49:42Z",
              "ms": -530655018431.1034
            },
            "end": {
              "local": "1953-03-09T12:37:42+08:00",
              "utc": "1953-03-09T04:37:42Z",
              "ms": -530652138431.1034
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 14:33 on Sun 8 Mar to 14:09 on Mon 9 Mar.",
          "fact": "1953-03-08T06:33:19Z → 1953-03-09T06:09:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 8th, 11:50–12:38 on the 9th.",
          "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 8th and 48 of 48 on the 9th.",
          "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 5485 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Fuzhou, 1953: Monday 9 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": "1953-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śītalāṣṭamī 1953 falls on Monday 9 March. Aṣṭamī runs from 14:33 on Sun 8 Mar to 14:09 on Mon 9 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-03-12",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9283,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-03-11T11:16:02+08:00",
          "utc": "1953-03-11T03:16:02Z",
          "ms": -530484238045.7816
        },
        "end": {
          "local": "1953-03-12T08:50:59+08:00",
          "utc": "1953-03-12T00:50:59Z",
          "ms": -530406540857.95953
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-11T11:16:02+08:00",
          "utc": "1953-03-11T03:16:02Z",
          "ms": -530484238045.7816
        },
        "end": {
          "local": "1953-03-12T08:50:59+08:00",
          "utc": "1953-03-12T00:50:59Z",
          "ms": -530406540857.95953
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-03-11",
          "window": {
            "start": {
              "local": "1953-03-11T06:17:18+08:00",
              "utc": "1953-03-10T22:17:18Z",
              "ms": -530502162312.12994
            },
            "end": {
              "local": "1953-03-11T06:17:18+08:00",
              "utc": "1953-03-10T22:17:18Z",
              "ms": -530502162312.12994
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-03-12",
          "window": {
            "start": {
              "local": "1953-03-12T06:16:16+08:00",
              "utc": "1953-03-11T22:16:16Z",
              "ms": -530415824254.95746
            },
            "end": {
              "local": "1953-03-12T06:16:16+08:00",
              "utc": "1953-03-11T22:16:16Z",
              "ms": -530415824254.95746
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:16 on Wed 11 Mar to 08:51 on Thu 12 Mar.",
          "fact": "1953-03-11T03:16:02Z → 1953-03-12T00:50:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:17 on the 11th and 06:16 on the 12th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is 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 9283 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Fuzhou, 1953: Thursday 12 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": "1953-03-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāpamocanī Ekādaśī 1953 falls on Thursday 12 March. Ekādaśī runs from 11:16 on Wed 11 Mar to 08:51 on Thu 12 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-03-12",
      "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/1953/pradosha-vrata?on=1953-03-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24230,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-03-13T05:53:22+08:00",
          "utc": "1953-03-12T21:53:22Z",
          "ms": -530330798203.7933
        },
        "end": {
          "local": "1953-03-14T02:30:27+08:00",
          "utc": "1953-03-13T18:30:27Z",
          "ms": -530256572886.8817
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-13T05:53:22+08:00",
          "utc": "1953-03-12T21:53:22Z",
          "ms": -530330798203.7933
        },
        "end": {
          "local": "1953-03-14T02:30:27+08:00",
          "utc": "1953-03-13T18:30:27Z",
          "ms": -530256572886.8817
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-03-12",
          "window": {
            "start": {
              "local": "1953-03-12T18:09:34+08:00",
              "utc": "1953-03-12T10:09:34Z",
              "ms": -530373025575.01636
            },
            "end": {
              "local": "1953-03-12T19:46:20+08:00",
              "utc": "1953-03-12T11:46:20Z",
              "ms": -530367220370.58716
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "1953-03-13",
          "window": {
            "start": {
              "local": "1953-03-13T18:10:05+08:00",
              "utc": "1953-03-13T10:10:05Z",
              "ms": -530286595482.9736
            },
            "end": {
              "local": "1953-03-13T19:46:37+08:00",
              "utc": "1953-03-13T11:46:37Z",
              "ms": -530280802638.1889
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:53 on Fri 13 Mar to 02:30 on Sat 14 Mar.",
          "fact": "1953-03-12T21:53:22Z → 1953-03-13T18:30:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:46 on the 12th, 18:10–19:47 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 97 minutes on the 12th and 97 of 97 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 24230 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Friday 13 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": "1953-03-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Friday 13 March. Trayodaśī runs from 05:53 on Fri 13 Mar to 02:30 on Sat 14 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-03-13",
      "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/1953/shivaratri?on=1953-03-13",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-13",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3409,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-03-14T02:30:27+08:00",
          "utc": "1953-03-13T18:30:27Z",
          "ms": -530256572886.8817
        },
        "end": {
          "local": "1953-03-14T22:51:02+08:00",
          "utc": "1953-03-14T14:51:02Z",
          "ms": -530183338062.0703
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-14T02:30:27+08:00",
          "utc": "1953-03-13T18:30:27Z",
          "ms": -530256572886.8817
        },
        "end": {
          "local": "1953-03-14T22:51:02+08:00",
          "utc": "1953-03-14T14:51:02Z",
          "ms": -530183338062.0703
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-03-13",
          "window": {
            "start": {
              "local": "1953-03-13T23:48:08+08:00",
              "utc": "1953-03-13T15:48:08Z",
              "ms": -530266312315.031
            },
            "end": {
              "local": "1953-03-14T00:36:08+08:00",
              "utc": "1953-03-13T16:36:08Z",
              "ms": -530263432315.031
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-03-14",
          "window": {
            "start": {
              "local": "1953-03-14T23:47:51+08:00",
              "utc": "1953-03-14T15:47:51Z",
              "ms": -530179928831.82666
            },
            "end": {
              "local": "1953-03-15T00:35:51+08:00",
              "utc": "1953-03-14T16:35:51Z",
              "ms": -530177048831.82666
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 02:30 on Sat 14 Mar to 22:51 on Sat 14 Mar.",
          "fact": "1953-03-13T18:30:27Z → 1953-03-14T14:51:02Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 13th, 23:48–00:36 on the 14th.",
          "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 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither night qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 3409 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Friday 13 March.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "1953-03-13",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Friday 13 March. Caturdaśī runs from 02:30 on Sat 14 Mar to 22:51 on Sat 14 Mar, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-03-13",
      "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/1953/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10021,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1953-03-15T19:04:58+08:00",
          "utc": "1953-03-15T11:04:58Z",
          "ms": -530110501644.03015
        },
        "end": {
          "local": "1953-03-16T15:22:50+08:00",
          "utc": "1953-03-16T07:22:50Z",
          "ms": -530037429631.1933
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-15T19:04:58+08:00",
          "utc": "1953-03-15T11:04:58Z",
          "ms": -530110501644.03015
        },
        "end": {
          "local": "1953-03-16T15:22:50+08:00",
          "utc": "1953-03-16T07:22:50Z",
          "ms": -530037429631.1933
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-15",
          "window": {
            "start": {
              "local": "1953-03-15T11:48:06+08:00",
              "utc": "1953-03-15T03:48:06Z",
              "ms": -530136714008.41345
            },
            "end": {
              "local": "1953-03-15T12:36:06+08:00",
              "utc": "1953-03-15T04:36:06Z",
              "ms": -530133834008.41345
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-03-16",
          "window": {
            "start": {
              "local": "1953-03-16T11:47:49+08:00",
              "utc": "1953-03-16T03:47:49Z",
              "ms": -530050330875.4754
            },
            "end": {
              "local": "1953-03-16T12:35:49+08:00",
              "utc": "1953-03-16T04:35:49Z",
              "ms": -530047450875.4754
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 19:05 on Sun 15 Mar to 15:23 on Mon 16 Mar.",
          "fact": "1953-03-15T11:04:58Z → 1953-03-16T07:22:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 15th, 11:48–12:36 on the 16th.",
          "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 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: paraviddha → only-day · margin 10021 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Fuzhou, 1953: Monday 16 March.",
          "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": "1953-03-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 1953 falls on Monday 16 March. Pratipadā runs from 19:05 on Sun 15 Mar to 15:23 on Mon 16 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 478,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1953-03-17T11:55:30+08:00",
          "utc": "1953-03-17T03:55:30Z",
          "ms": -529963469963.36096
        },
        "end": {
          "local": "1953-03-18T08:53:40+08:00",
          "utc": "1953-03-18T00:53:40Z",
          "ms": -529887980299.6388
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-17T11:55:30+08:00",
          "utc": "1953-03-17T03:55:30Z",
          "ms": -529963469963.36096
        },
        "end": {
          "local": "1953-03-18T08:53:40+08:00",
          "utc": "1953-03-18T00:53:40Z",
          "ms": -529887980299.6388
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-17",
          "window": {
            "start": {
              "local": "1953-03-17T11:47:32+08:00",
              "utc": "1953-03-17T03:47:32Z",
              "ms": -529963947967.9008
            },
            "end": {
              "local": "1953-03-17T12:35:32+08:00",
              "utc": "1953-03-17T04:35:32Z",
              "ms": -529961067967.9008
            }
          },
          "covered_min": 40,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-03-18",
          "window": {
            "start": {
              "local": "1953-03-18T11:47:15+08:00",
              "utc": "1953-03-18T03:47:15Z",
              "ms": -529877565269.7571
            },
            "end": {
              "local": "1953-03-18T12:35:15+08:00",
              "utc": "1953-03-18T04:35:15Z",
              "ms": -529874685269.7571
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 11:56 on Tue 17 Mar to 08:54 on Wed 18 Mar.",
          "fact": "1953-03-17T03:55:30Z → 1953-03-18T00:53:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 17th, 11:47–12:35 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 40 of 48 minutes on the 17th and 0 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: unstated → only-day · margin 478 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Fuzhou, 1953: Tuesday 17 March.",
          "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": "1953-03-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 1953 falls on Tuesday 17 March. Tṛtīyā runs from 11:56 on Tue 17 Mar to 08:54 on Wed 18 Mar and covers 40 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 478,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1953-03-17T11:55:30+08:00",
          "utc": "1953-03-17T03:55:30Z",
          "ms": -529963469963.36096
        },
        "end": {
          "local": "1953-03-18T08:53:40+08:00",
          "utc": "1953-03-18T00:53:40Z",
          "ms": -529887980299.6388
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-17T11:55:30+08:00",
          "utc": "1953-03-17T03:55:30Z",
          "ms": -529963469963.36096
        },
        "end": {
          "local": "1953-03-18T08:53:40+08:00",
          "utc": "1953-03-18T00:53:40Z",
          "ms": -529887980299.6388
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-17",
          "window": {
            "start": {
              "local": "1953-03-17T11:47:32+08:00",
              "utc": "1953-03-17T03:47:32Z",
              "ms": -529963947967.9008
            },
            "end": {
              "local": "1953-03-17T12:35:32+08:00",
              "utc": "1953-03-17T04:35:32Z",
              "ms": -529961067967.9008
            }
          },
          "covered_min": 40,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-03-18",
          "window": {
            "start": {
              "local": "1953-03-18T11:47:15+08:00",
              "utc": "1953-03-18T03:47:15Z",
              "ms": -529877565269.7571
            },
            "end": {
              "local": "1953-03-18T12:35:15+08:00",
              "utc": "1953-03-18T04:35:15Z",
              "ms": -529874685269.7571
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 11:56 on Tue 17 Mar to 08:54 on Wed 18 Mar.",
          "fact": "1953-03-17T03:55:30Z → 1953-03-18T00:53:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 17th, 11:47–12:35 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 40 of 48 minutes on the 17th and 0 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 478 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Fuzhou, 1953: Tuesday 17 March.",
          "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": "1953-03-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saubhāgya Śayana Vrata 1953 falls on Tuesday 17 March. Tṛtīyā runs from 11:56 on Tue 17 Mar to 08:54 on Wed 18 Mar and covers 40 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vinayaka-chaturthi?on=1953-03-18",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10415,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-03-18T08:53:40+08:00",
          "utc": "1953-03-18T00:53:40Z",
          "ms": -529887980299.6388
        },
        "end": {
          "local": "1953-03-19T06:27:16+08:00",
          "utc": "1953-03-18T22:27:16Z",
          "ms": -529810363735.671
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-18T08:53:40+08:00",
          "utc": "1953-03-18T00:53:40Z",
          "ms": -529887980299.6388
        },
        "end": {
          "local": "1953-03-19T06:27:16+08:00",
          "utc": "1953-03-18T22:27:16Z",
          "ms": -529810363735.671
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-18",
          "window": {
            "start": {
              "local": "1953-03-18T11:47:15+08:00",
              "utc": "1953-03-18T03:47:15Z",
              "ms": -529877565269.7571
            },
            "end": {
              "local": "1953-03-18T12:35:15+08:00",
              "utc": "1953-03-18T04:35:15Z",
              "ms": -529874685269.7571
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-03-19",
          "window": {
            "start": {
              "local": "1953-03-19T11:46:57+08:00",
              "utc": "1953-03-19T03:46:57Z",
              "ms": -529791182764.30383
            },
            "end": {
              "local": "1953-03-19T12:34:57+08:00",
              "utc": "1953-03-19T04:34:57Z",
              "ms": -529788302764.30383
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:54 on Wed 18 Mar to 06:27 on Thu 19 Mar.",
          "fact": "1953-03-18T00:53:40Z → 1953-03-18T22:27:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 18th, 11:47–12:35 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "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, 1953: Wednesday 18 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": "1953-03-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Wednesday 18 March. Caturthī runs from 08:54 on Wed 18 Mar to 06:27 on Thu 19 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-03-18",
      "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/1953/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19181,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1953-03-19T06:27:16+08:00",
          "utc": "1953-03-18T22:27:16Z",
          "ms": -529810363735.671
        },
        "end": {
          "local": "1953-03-20T04:44:45+08:00",
          "utc": "1953-03-19T20:44:45Z",
          "ms": -529730115400.87506
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-19T06:27:16+08:00",
          "utc": "1953-03-18T22:27:16Z",
          "ms": -529810363735.671
        },
        "end": {
          "local": "1953-03-20T04:44:45+08:00",
          "utc": "1953-03-19T20:44:45Z",
          "ms": -529730115400.87506
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-19",
          "window": {
            "start": {
              "local": "1953-03-19T11:46:57+08:00",
              "utc": "1953-03-19T03:46:57Z",
              "ms": -529791182764.30383
            },
            "end": {
              "local": "1953-03-19T12:34:57+08:00",
              "utc": "1953-03-19T04:34:57Z",
              "ms": -529788302764.30383
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-03-20",
          "window": {
            "start": {
              "local": "1953-03-20T11:46:40+08:00",
              "utc": "1953-03-20T03:46:40Z",
              "ms": -529704800433.8054
            },
            "end": {
              "local": "1953-03-20T12:34:40+08:00",
              "utc": "1953-03-20T04:34:40Z",
              "ms": -529701920433.8054
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 06:27 on Thu 19 Mar to 04:45 on Fri 20 Mar.",
          "fact": "1953-03-18T22:27:16Z → 1953-03-19T20:44:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 19th, 11:47–12:35 on the 20th.",
          "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 19th and 0 of 48 on the 20th.",
          "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 19181 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Fuzhou, 1953: Thursday 19 March.",
          "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": "1953-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pañcamī 1953 falls on Thursday 19 March. Pañcamī runs from 06:27 on Thu 19 Mar to 04:45 on Fri 20 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25451,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-03-22T03:51:33+08:00",
          "utc": "1953-03-21T19:51:33Z",
          "ms": -529560507236.9567
        },
        "end": {
          "local": "1953-03-23T04:41:34+08:00",
          "utc": "1953-03-22T20:41:34Z",
          "ms": -529471105797.1926
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-22T03:51:33+08:00",
          "utc": "1953-03-21T19:51:33Z",
          "ms": -529560507236.9567
        },
        "end": {
          "local": "1953-03-23T04:41:34+08:00",
          "utc": "1953-03-22T20:41:34Z",
          "ms": -529471105797.1926
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-22",
          "window": {
            "start": {
              "local": "1953-03-22T11:46:04+08:00",
              "utc": "1953-03-22T03:46:04Z",
              "ms": -529532036221.8364
            },
            "end": {
              "local": "1953-03-22T12:34:04+08:00",
              "utc": "1953-03-22T04:34:04Z",
              "ms": -529529156221.8364
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-03-23",
          "window": {
            "start": {
              "local": "1953-03-23T11:45:46+08:00",
              "utc": "1953-03-23T03:45:46Z",
              "ms": -529445654300.39746
            },
            "end": {
              "local": "1953-03-23T12:33:46+08:00",
              "utc": "1953-03-23T04:33:46Z",
              "ms": -529442774300.39746
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 03:52 on Sun 22 Mar to 04:42 on Mon 23 Mar.",
          "fact": "1953-03-21T19:51:33Z → 1953-03-22T20:41:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 22nd, 11:46–12:34 on the 23rd.",
          "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 22nd and 0 of 48 on the 23rd.",
          "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 25451 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Fuzhou, 1953: Sunday 22 March.",
          "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": "1953-03-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhavānī Utpatti 1953 falls on Sunday 22 March. Aṣṭamī runs from 03:52 on Sun 22 Mar to 04:42 on Mon 23 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19774,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1953-03-23T04:41:34+08:00",
          "utc": "1953-03-22T20:41:34Z",
          "ms": -529471105797.1926
        },
        "end": {
          "local": "1953-03-24T06:15:53+08:00",
          "utc": "1953-03-23T22:15:53Z",
          "ms": -529379046811.14874
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-23T04:41:34+08:00",
          "utc": "1953-03-22T20:41:34Z",
          "ms": -529471105797.1926
        },
        "end": {
          "local": "1953-03-24T06:15:53+08:00",
          "utc": "1953-03-23T22:15:53Z",
          "ms": -529379046811.14874
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-23",
          "window": {
            "start": {
              "local": "1953-03-23T11:45:46+08:00",
              "utc": "1953-03-23T03:45:46Z",
              "ms": -529445654300.39746
            },
            "end": {
              "local": "1953-03-23T12:33:46+08:00",
              "utc": "1953-03-23T04:33:46Z",
              "ms": -529442774300.39746
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-03-24",
          "window": {
            "start": {
              "local": "1953-03-24T11:45:28+08:00",
              "utc": "1953-03-24T03:45:28Z",
              "ms": -529359272474.3013
            },
            "end": {
              "local": "1953-03-24T12:33:28+08:00",
              "utc": "1953-03-24T04:33:28Z",
              "ms": -529356392474.3013
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 04:42 on Mon 23 Mar to 06:16 on Tue 24 Mar.",
          "fact": "1953-03-22T20:41:34Z → 1953-03-23T22:15:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 23rd, 11:45–12:33 on the 24th.",
          "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 23rd and 0 of 48 on the 24th.",
          "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 19774 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Fuzhou, 1953: Monday 23 March.",
          "fact": "confidence: determinate"
        }
      ],
      "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": "1953-03-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāma Navamī 1953 falls on Monday 23 March. Navamī runs from 04:42 on Mon 23 Mar to 06:16 on Tue 24 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-03-26",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8524,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-03-25T08:24:32+08:00",
          "utc": "1953-03-25T00:24:32Z",
          "ms": -529284928042.676
        },
        "end": {
          "local": "1953-03-26T10:55:17+08:00",
          "utc": "1953-03-26T02:55:17Z",
          "ms": -529189483327.2274
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-25T08:24:32+08:00",
          "utc": "1953-03-25T00:24:32Z",
          "ms": -529284928042.676
        },
        "end": {
          "local": "1953-03-26T10:55:17+08:00",
          "utc": "1953-03-26T02:55:17Z",
          "ms": -529189483327.2274
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-03-25",
          "window": {
            "start": {
              "local": "1953-03-25T06:02:28+08:00",
              "utc": "1953-03-24T22:02:28Z",
              "ms": -529293451866.452
            },
            "end": {
              "local": "1953-03-25T06:02:28+08:00",
              "utc": "1953-03-24T22:02:28Z",
              "ms": -529293451866.452
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-03-26",
          "window": {
            "start": {
              "local": "1953-03-26T06:01:24+08:00",
              "utc": "1953-03-25T22:01:24Z",
              "ms": -529207116359.9058
            },
            "end": {
              "local": "1953-03-26T06:01:24+08:00",
              "utc": "1953-03-25T22:01:24Z",
              "ms": -529207116359.9058
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:25 on Wed 25 Mar to 10:55 on Thu 26 Mar.",
          "fact": "1953-03-25T00:24:32Z → 1953-03-26T02:55:17Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:02 on the 25th and 06:01 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 8524 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Fuzhou, 1953: Thursday 26 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": "1953-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmadā Ekādaśī 1953 falls on Thursday 26 March. Ekādaśī runs from 08:25 on Wed 25 Mar to 10:55 on Thu 26 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-03-26",
      "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/1953/pradosha-vrata?on=1953-03-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7381,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-03-27T13:35:33+08:00",
          "utc": "1953-03-27T05:35:33Z",
          "ms": -529093466766.16376
        },
        "end": {
          "local": "1953-03-28T16:14:13+08:00",
          "utc": "1953-03-28T08:14:13Z",
          "ms": -528997547340.9644
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-27T13:35:33+08:00",
          "utc": "1953-03-27T05:35:33Z",
          "ms": -529093466766.16376
        },
        "end": {
          "local": "1953-03-28T16:14:13+08:00",
          "utc": "1953-03-28T08:14:13Z",
          "ms": -528997547340.9644
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-03-27",
          "window": {
            "start": {
              "local": "1953-03-27T18:16:46+08:00",
              "utc": "1953-03-27T10:16:46Z",
              "ms": -529076593869.7066
            },
            "end": {
              "local": "1953-03-27T19:50:26+08:00",
              "utc": "1953-03-27T11:50:26Z",
              "ms": -529070974056.1151
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        },
        {
          "local_date": "1953-03-28",
          "window": {
            "start": {
              "local": "1953-03-28T18:17:14+08:00",
              "utc": "1953-03-28T10:17:14Z",
              "ms": -528990166116.05206
            },
            "end": {
              "local": "1953-03-28T19:50:41+08:00",
              "utc": "1953-03-28T11:50:41Z",
              "ms": -528984558583.9808
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:36 on Fri 27 Mar to 16:14 on Sat 28 Mar.",
          "fact": "1953-03-27T05:35:33Z → 1953-03-28T08:14:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:50 on the 27th, 18:17–19:51 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 94 of 94 minutes on the 27th and 0 of 93 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 7381 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Friday 27 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": "1953-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Friday 27 March. Trayodaśī runs from 13:36 on Fri 27 Mar to 16:14 on Sat 28 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-03-27",
      "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/1953/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3781,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-03-27T13:35:33+08:00",
          "utc": "1953-03-27T05:35:33Z",
          "ms": -529093466766.16376
        },
        "end": {
          "local": "1953-03-28T16:14:13+08:00",
          "utc": "1953-03-28T08:14:13Z",
          "ms": -528997547340.9644
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-27T13:35:33+08:00",
          "utc": "1953-03-27T05:35:33Z",
          "ms": -529093466766.16376
        },
        "end": {
          "local": "1953-03-28T16:14:13+08:00",
          "utc": "1953-03-28T08:14:13Z",
          "ms": -528997547340.9644
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-27",
          "window": {
            "start": {
              "local": "1953-03-27T11:44:33+08:00",
              "utc": "1953-03-27T03:44:33Z",
              "ms": -529100127353.0705
            },
            "end": {
              "local": "1953-03-27T12:32:33+08:00",
              "utc": "1953-03-27T04:32:33Z",
              "ms": -529097247353.0705
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-03-28",
          "window": {
            "start": {
              "local": "1953-03-28T11:44:14+08:00",
              "utc": "1953-03-28T03:44:14Z",
              "ms": -529013745691.91113
            },
            "end": {
              "local": "1953-03-28T12:32:14+08:00",
              "utc": "1953-03-28T04:32:14Z",
              "ms": -529010865691.91113
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:36 on Fri 27 Mar to 16:14 on Sat 28 Mar.",
          "fact": "1953-03-27T05:35:33Z → 1953-03-28T08:14:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 27th, 11:44–12:32 on the 28th.",
          "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 27th and 48 of 48 on the 28th.",
          "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 3781 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Fuzhou, 1953: Saturday 28 March.",
          "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": "1953-03-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Anaṅga Trayodaśī 1953 falls on Saturday 28 March. Trayodaśī runs from 13:36 on Fri 27 Mar to 16:14 on Sat 28 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13318,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-03-28T16:14:13+08:00",
          "utc": "1953-03-28T08:14:13Z",
          "ms": -528997547340.9644
        },
        "end": {
          "local": "1953-03-29T18:42:36+08:00",
          "utc": "1953-03-29T10:42:36Z",
          "ms": -528902243680.1357
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-28T16:14:13+08:00",
          "utc": "1953-03-28T08:14:13Z",
          "ms": -528997547340.9644
        },
        "end": {
          "local": "1953-03-29T18:42:36+08:00",
          "utc": "1953-03-29T10:42:36Z",
          "ms": -528902243680.1357
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-28",
          "window": {
            "start": {
              "local": "1953-03-28T11:44:14+08:00",
              "utc": "1953-03-28T03:44:14Z",
              "ms": -529013745691.91113
            },
            "end": {
              "local": "1953-03-28T12:32:14+08:00",
              "utc": "1953-03-28T04:32:14Z",
              "ms": -529010865691.91113
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-03-29",
          "window": {
            "start": {
              "local": "1953-03-29T11:43:56+08:00",
              "utc": "1953-03-29T03:43:56Z",
              "ms": -528927364016.6378
            },
            "end": {
              "local": "1953-03-29T12:31:56+08:00",
              "utc": "1953-03-29T04:31:56Z",
              "ms": -528924484016.6378
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:14 on Sat 28 Mar to 18:43 on Sun 29 Mar.",
          "fact": "1953-03-28T08:14:13Z → 1953-03-29T10:42:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 28th, 11:44–12:32 on the 29th.",
          "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 28th and 48 of 48 on the 29th.",
          "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 13318 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 1953: Sunday 29 March.",
          "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": "1953-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 1953 falls on Sunday 29 March. Caturdaśī runs from 16:14 on Sat 28 Mar to 18:43 on Sun 29 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22240,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-03-29T18:42:36+08:00",
          "utc": "1953-03-29T10:42:36Z",
          "ms": -528902243680.1357
        },
        "end": {
          "local": "1953-03-30T20:54:51+08:00",
          "utc": "1953-03-30T12:54:51Z",
          "ms": -528807908891.3219
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-03-29T18:42:36+08:00",
          "utc": "1953-03-29T10:42:36Z",
          "ms": -528902243680.1357
        },
        "end": {
          "local": "1953-03-30T20:54:51+08:00",
          "utc": "1953-03-30T12:54:51Z",
          "ms": -528807908891.3219
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-03-29",
          "window": {
            "start": {
              "local": "1953-03-29T11:43:56+08:00",
              "utc": "1953-03-29T03:43:56Z",
              "ms": -528927364016.6378
            },
            "end": {
              "local": "1953-03-29T12:31:56+08:00",
              "utc": "1953-03-29T04:31:56Z",
              "ms": -528924484016.6378
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-03-30",
          "window": {
            "start": {
              "local": "1953-03-30T11:43:38+08:00",
              "utc": "1953-03-30T03:43:38Z",
              "ms": -528840982304.7978
            },
            "end": {
              "local": "1953-03-30T12:31:38+08:00",
              "utc": "1953-03-30T04:31:38Z",
              "ms": -528838102304.7978
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:43 on Sun 29 Mar to 20:55 on Mon 30 Mar.",
          "fact": "1953-03-29T10:42:36Z → 1953-03-30T12:54:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 29th, 11:44–12:32 on the 30th.",
          "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 29th and 48 of 48 on the 30th.",
          "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 22240 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Fuzhou, 1953: Monday 30 March.",
          "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": "1953-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Caitrī Pūrṇimā 1953 falls on Monday 30 March. Pūrṇimā runs from 18:43 on Sun 29 Mar to 20:55 on Mon 30 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-04-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15249,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-04-03T01:25:53+08:00",
          "utc": "1953-04-02T17:25:53Z",
          "ms": -528532447387.20917
        },
        "end": {
          "local": "1953-04-04T02:09:01+08:00",
          "utc": "1953-04-03T18:09:01Z",
          "ms": -528443458920.6096
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-04-03T01:25:53+08:00",
          "utc": "1953-04-02T17:25:53Z",
          "ms": -528532447387.20917
        },
        "end": {
          "local": "1953-04-04T02:09:01+08:00",
          "utc": "1953-04-03T18:09:01Z",
          "ms": -528443458920.6096
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-04-02",
          "window": {
            "start": {
              "local": "1953-04-02T20:56:13+08:00",
              "utc": "1953-04-02T12:56:13Z",
              "ms": -528548627244.98334
            },
            "end": {
              "local": "1953-04-02T20:56:13+08:00",
              "utc": "1953-04-02T12:56:13Z",
              "ms": -528548627244.98334
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-04-03",
          "window": {
            "start": {
              "local": "1953-04-03T21:54:52+08:00",
              "utc": "1953-04-03T13:54:52Z",
              "ms": -528458707556.39374
            },
            "end": {
              "local": "1953-04-03T21:54:52+08:00",
              "utc": "1953-04-03T13:54:52Z",
              "ms": -528458707556.39374
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:26 on Fri 3 Apr to 02:09 on Sat 4 Apr.",
          "fact": "1953-04-02T17:25:53Z → 1953-04-03T18:09:01Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:56 on the 2nd and 21:55 on the 3rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.",
          "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 15249 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Friday 3 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": "1953-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Friday 3 April. Caturthī runs from 01:26 on Fri 3 Apr to 02:09 on Sat 4 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-04-03",
      "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/1953/ekadashi?on=1953-04-10",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34424,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-04-09T20:11:50+08:00",
          "utc": "1953-04-09T12:11:50Z",
          "ms": -527946489538.8368
        },
        "end": {
          "local": "1953-04-10T17:26:30+08:00",
          "utc": "1953-04-10T09:26:30Z",
          "ms": -527870010380.6096
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-04-09T20:11:50+08:00",
          "utc": "1953-04-09T12:11:50Z",
          "ms": -527946489538.8368
        },
        "end": {
          "local": "1953-04-10T17:26:30+08:00",
          "utc": "1953-04-10T09:26:30Z",
          "ms": -527870010380.6096
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-04-10",
          "window": {
            "start": {
              "local": "1953-04-10T05:45:34+08:00",
              "utc": "1953-04-09T21:45:34Z",
              "ms": -527912065773.89087
            },
            "end": {
              "local": "1953-04-10T05:45:34+08:00",
              "utc": "1953-04-09T21:45:34Z",
              "ms": -527912065773.89087
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-04-11",
          "window": {
            "start": {
              "local": "1953-04-11T05:44:33+08:00",
              "utc": "1953-04-10T21:44:33Z",
              "ms": -527825726588.3198
            },
            "end": {
              "local": "1953-04-11T05:44:33+08:00",
              "utc": "1953-04-10T21:44:33Z",
              "ms": -527825726588.3198
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:12 on Thu 9 Apr to 17:26 on Fri 10 Apr.",
          "fact": "1953-04-09T12:11:50Z → 1953-04-10T09:26:30Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:46 on the 10th and 05:45 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.",
          "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 34424 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Fuzhou, 1953: Friday 10 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": "1953-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Varūthinī Ekādaśī 1953 falls on Friday 10 April. Ekādaśī runs from 20:12 on Thu 9 Apr to 17:26 on Fri 10 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-04-10",
      "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/1953/pradosha-vrata?on=1953-04-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-04-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14660,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-04-11T14:19:25+08:00",
          "utc": "1953-04-11T06:19:25Z",
          "ms": -527794835260.3586
        },
        "end": {
          "local": "1953-04-12T10:58:00+08:00",
          "utc": "1953-04-12T02:58:00Z",
          "ms": -527720519507.28204
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-04-11T14:19:25+08:00",
          "utc": "1953-04-11T06:19:25Z",
          "ms": -527794835260.3586
        },
        "end": {
          "local": "1953-04-12T10:58:00+08:00",
          "utc": "1953-04-12T02:58:00Z",
          "ms": -527720519507.28204
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-04-11",
          "window": {
            "start": {
              "local": "1953-04-11T18:23:45+08:00",
              "utc": "1953-04-11T10:23:45Z",
              "ms": -527780175326.7676
            },
            "end": {
              "local": "1953-04-11T19:54:23+08:00",
              "utc": "1953-04-11T11:54:23Z",
              "ms": -527774736875.4579
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        },
        {
          "local_date": "1953-04-12",
          "window": {
            "start": {
              "local": "1953-04-12T18:24:13+08:00",
              "utc": "1953-04-12T10:24:13Z",
              "ms": -527693746746.71857
            },
            "end": {
              "local": "1953-04-12T19:54:40+08:00",
              "utc": "1953-04-12T11:54:40Z",
              "ms": -527688320088.7852
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:19 on Sat 11 Apr to 10:58 on Sun 12 Apr.",
          "fact": "1953-04-11T06:19:25Z → 1953-04-12T02:58:00Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:54 on the 11th, 18:24–19:55 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 11th and 0 of 90 on the 12th.",
          "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 14660 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Saturday 11 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": "1953-04-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-04-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Saturday 11 April. Trayodaśī runs from 14:19 on Sat 11 Apr to 10:58 on Sun 12 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-04-11",
      "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/1953/shivaratri?on=1953-04-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-04-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25427,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-04-12T10:58:00+08:00",
          "utc": "1953-04-12T02:58:00Z",
          "ms": -527720519507.28204
        },
        "end": {
          "local": "1953-04-13T07:31:10+08:00",
          "utc": "1953-04-12T23:31:10Z",
          "ms": -527646530041.95526
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-04-12T10:58:00+08:00",
          "utc": "1953-04-12T02:58:00Z",
          "ms": -527720519507.28204
        },
        "end": {
          "local": "1953-04-13T07:31:10+08:00",
          "utc": "1953-04-12T23:31:10Z",
          "ms": -527646530041.95526
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-04-11",
          "window": {
            "start": {
              "local": "1953-04-11T23:39:39+08:00",
              "utc": "1953-04-11T15:39:39Z",
              "ms": -527761221134.3563
            },
            "end": {
              "local": "1953-04-12T00:27:39+08:00",
              "utc": "1953-04-11T16:27:39Z",
              "ms": -527758341134.3563
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-04-12",
          "window": {
            "start": {
              "local": "1953-04-12T23:39:23+08:00",
              "utc": "1953-04-12T15:39:23Z",
              "ms": -527674836779.4684
            },
            "end": {
              "local": "1953-04-13T00:27:23+08:00",
              "utc": "1953-04-12T16:27:23Z",
              "ms": -527671956779.4684
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:58 on Sun 12 Apr to 07:31 on Mon 13 Apr.",
          "fact": "1953-04-12T02:58:00Z → 1953-04-12T23:31:10Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 11th, 23:39–00:27 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "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 25427 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Sunday 12 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": "1953-04-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-04-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Sunday 12 April. Caturdaśī runs from 10:58 on Sun 12 Apr to 07:31 on Mon 13 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-04-12",
      "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/1953/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39327,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "1953-04-13T18:46:06+08:00",
          "utc": "1953-04-13T10:46:06Z",
          "ms": -527606033642.0651
        },
        "end": {
          "local": "1953-05-14T15:41:54+08:00",
          "utc": "1953-05-14T07:41:54Z",
          "ms": -524938685815.5939
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1953-04-13T18:46:06+08:00",
          "utc": "1953-04-13T10:46:06Z",
          "ms": -527606033642.0651
        },
        "end": {
          "local": "1953-04-13T18:46:06+08:00",
          "utc": "1953-04-13T10:46:06Z",
          "ms": -527606033642.0651
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "1953-04-13",
          "window": {
            "start": {
              "local": "1953-04-13T05:42:33+08:00",
              "utc": "1953-04-12T21:42:33Z",
              "ms": -527653046812.21826
            },
            "end": {
              "local": "1953-04-14T05:41:34+08:00",
              "utc": "1953-04-13T21:41:34Z",
              "ms": -527566706177.6302
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        },
        {
          "local_date": "1953-04-14",
          "window": {
            "start": {
              "local": "1953-04-14T05:41:34+08:00",
              "utc": "1953-04-13T21:41:34Z",
              "ms": -527566706177.6302
            },
            "end": {
              "local": "1953-04-15T05:40:35+08:00",
              "utc": "1953-04-14T21:40:35Z",
              "ms": -527480365017.24536
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 18:46 on Mon 13 Apr.",
          "fact": "1953-04-13T10:46:06Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:43 on the 13th, and from 05:42 on the 14th.",
          "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 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 sunrise → only-day · margin 39327 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Fuzhou, 1953: Monday 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": "1953-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1953-04-13",
          "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": "1953-04-14",
          "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, Vaiśākhī 1953 falls on Monday 13 April. The Sun enters Meṣa at 18:46 on Mon 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vinayaka-chaturthi?on=1953-04-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-04-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23139,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-04-16T20:14:06+08:00",
          "utc": "1953-04-16T12:14:06Z",
          "ms": -527341554312.8364
        },
        "end": {
          "local": "1953-04-17T18:52:17+08:00",
          "utc": "1953-04-17T10:52:17Z",
          "ms": -527260062714.07025
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": true,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-04-16T20:14:06+08:00",
          "utc": "1953-04-16T12:14:06Z",
          "ms": -527341554312.8364
        },
        "end": {
          "local": "1953-04-17T18:52:17+08:00",
          "utc": "1953-04-17T10:52:17Z",
          "ms": -527260062714.07025
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-04-16",
          "window": {
            "start": {
              "local": "1953-04-16T11:38:53+08:00",
              "utc": "1953-04-16T03:38:53Z",
              "ms": -527372467219.51105
            },
            "end": {
              "local": "1953-04-16T12:26:53+08:00",
              "utc": "1953-04-16T04:26:53Z",
              "ms": -527369587219.51105
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-04-17",
          "window": {
            "start": {
              "local": "1953-04-17T11:38:39+08:00",
              "utc": "1953-04-17T03:38:39Z",
              "ms": -527286081465.7025
            },
            "end": {
              "local": "1953-04-17T12:26:39+08:00",
              "utc": "1953-04-17T04:26:39Z",
              "ms": -527283201465.7025
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:14 on Thu 16 Apr to 18:52 on Fri 17 Apr.",
          "fact": "1953-04-16T12:14:06Z → 1953-04-17T10:52:17Z"
        },
        {
          "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": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23139 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Friday 17 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": "1953-04-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-04-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Friday 17 April. Caturthī runs from 20:14 on Thu 16 Apr to 18:52 on Fri 17 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-04-17",
      "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/1953/ekadashi?on=1953-04-24",
      "festival": "ekadashi",
      "name": "Śukla Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-04-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1256,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-04-24T02:35:14+08:00",
          "utc": "1953-04-23T18:35:14Z",
          "ms": -526713885777.41003
        },
        "end": {
          "local": "1953-04-25T05:10:24+08:00",
          "utc": "1953-04-24T21:10:24Z",
          "ms": -526618175988.3986
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": true,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-04-24T02:35:14+08:00",
          "utc": "1953-04-23T18:35:14Z",
          "ms": -526713885777.41003
        },
        "end": {
          "local": "1953-04-25T05:10:24+08:00",
          "utc": "1953-04-24T21:10:24Z",
          "ms": -526618175988.3986
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-04-24",
          "window": {
            "start": {
              "local": "1953-04-24T05:32:13+08:00",
              "utc": "1953-04-23T21:32:13Z",
              "ms": -526703267299.98584
            },
            "end": {
              "local": "1953-04-24T05:32:13+08:00",
              "utc": "1953-04-23T21:32:13Z",
              "ms": -526703267299.98584
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-04-25",
          "window": {
            "start": {
              "local": "1953-04-25T05:31:20+08:00",
              "utc": "1953-04-24T21:31:20Z",
              "ms": -526616919652.7863
            },
            "end": {
              "local": "1953-04-25T05:31:20+08:00",
              "utc": "1953-04-24T21:31:20Z",
              "ms": -526616919652.7863
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:35 on Fri 24 Apr to 05:10 on Sat 25 Apr.",
          "fact": "1953-04-23T18:35:14Z → 1953-04-24T21:10:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:32 on the 24th and 05:31 on the 25th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not on the 25th.",
          "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 1256 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Ekādaśī, Fuzhou, 1953: Friday 24 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": "1953-04-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-04-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Ekādaśī 1953 falls on Friday 24 April. Ekādaśī runs from 02:35 on Fri 24 Apr to 05:10 on Sat 25 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-04-24",
      "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/1953/pradosha-vrata?on=1953-04-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32163,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-04-26T07:33:28+08:00",
          "utc": "1953-04-25T23:33:28Z",
          "ms": -526523192126.8124
        },
        "end": {
          "local": "1953-04-27T09:35:35+08:00",
          "utc": "1953-04-27T01:35:35Z",
          "ms": -526429464513.8388
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": true,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-04-26T07:33:28+08:00",
          "utc": "1953-04-25T23:33:28Z",
          "ms": -526523192126.8124
        },
        "end": {
          "local": "1953-04-27T09:35:35+08:00",
          "utc": "1953-04-27T01:35:35Z",
          "ms": -526429464513.8388
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-04-26",
          "window": {
            "start": {
              "local": "1953-04-26T18:31:07+08:00",
              "utc": "1953-04-26T10:31:07Z",
              "ms": -526483732604.0679
            },
            "end": {
              "local": "1953-04-26T19:58:55+08:00",
              "utc": "1953-04-26T11:58:55Z",
              "ms": -526478464523.06006
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "1953-04-27",
          "window": {
            "start": {
              "local": "1953-04-27T18:31:38+08:00",
              "utc": "1953-04-27T10:31:38Z",
              "ms": -526397301957.29193
            },
            "end": {
              "local": "1953-04-27T19:59:15+08:00",
              "utc": "1953-04-27T11:59:15Z",
              "ms": -526392044621.5087
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:33 on Sun 26 Apr to 09:36 on Mon 27 Apr.",
          "fact": "1953-04-25T23:33:28Z → 1953-04-27T01:35:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:31–19:59 on the 26th, 18:32–19:59 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 88 of 88 minutes on the 26th and 0 of 88 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 32163 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Sunday 26 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": "1953-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Sunday 26 April. Trayodaśī runs from 07:33 on Sun 26 Apr to 09:36 on Mon 27 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-04-26",
      "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/1953/sankashta-chaturthi?on=1953-05-02",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30885,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-05-02T13:11:45+08:00",
          "utc": "1953-05-02T05:11:45Z",
          "ms": -525984494760.6866
        },
        "end": {
          "local": "1953-05-03T12:43:26+08:00",
          "utc": "1953-05-03T04:43:26Z",
          "ms": -525899794481.1786
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": true,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-02T13:11:45+08:00",
          "utc": "1953-05-02T05:11:45Z",
          "ms": -525984494760.6866
        },
        "end": {
          "local": "1953-05-03T12:43:26+08:00",
          "utc": "1953-05-03T04:43:26Z",
          "ms": -525899794481.1786
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-05-02",
          "window": {
            "start": {
              "local": "1953-05-02T21:46:30+08:00",
              "utc": "1953-05-02T13:46:30Z",
              "ms": -525953609678.8945
            },
            "end": {
              "local": "1953-05-02T21:46:30+08:00",
              "utc": "1953-05-02T13:46:30Z",
              "ms": -525953609678.8945
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-05-03",
          "window": {
            "start": {
              "local": "1953-05-03T22:41:49+08:00",
              "utc": "1953-05-03T14:41:49Z",
              "ms": -525863890678.401
            },
            "end": {
              "local": "1953-05-03T22:41:49+08:00",
              "utc": "1953-05-03T14:41:49Z",
              "ms": -525863890678.401
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:12 on Sat 2 May to 12:43 on Sun 3 May.",
          "fact": "1953-05-02T05:11:45Z → 1953-05-03T04:43:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:47 on the 2nd and 22:42 on the 3rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 2nd and is not on the 3rd.",
          "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 30885 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Saturday 2 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": "1953-05-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Saturday 2 May. Caturthī runs from 13:12 on Sat 2 May to 12:43 on Sun 3 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-05-02",
      "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/1953/ekadashi?on=1953-05-09",
      "festival": "ekadashi",
      "name": "Kṛṣṇa Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9510,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-05-09T02:42:10+08:00",
          "utc": "1953-05-08T18:42:10Z",
          "ms": -525417470299.31683
        },
        "end": {
          "local": "1953-05-09T23:59:34+08:00",
          "utc": "1953-05-09T15:59:34Z",
          "ms": -525340826375.3928
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": true,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-09T02:42:10+08:00",
          "utc": "1953-05-08T18:42:10Z",
          "ms": -525417470299.31683
        },
        "end": {
          "local": "1953-05-09T23:59:34+08:00",
          "utc": "1953-05-09T15:59:34Z",
          "ms": -525340826375.3928
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-05-09",
          "window": {
            "start": {
              "local": "1953-05-09T05:20:40+08:00",
              "utc": "1953-05-08T21:20:40Z",
              "ms": -525407959842.69684
            },
            "end": {
              "local": "1953-05-09T05:20:40+08:00",
              "utc": "1953-05-08T21:20:40Z",
              "ms": -525407959842.69684
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-05-10",
          "window": {
            "start": {
              "local": "1953-05-10T05:20:02+08:00",
              "utc": "1953-05-09T21:20:02Z",
              "ms": -525321598030.05005
            },
            "end": {
              "local": "1953-05-10T05:20:02+08:00",
              "utc": "1953-05-09T21:20:02Z",
              "ms": -525321598030.05005
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:42 on Sat 9 May to 00:00 on Sat 9 May.",
          "fact": "1953-05-08T18:42:10Z → 1953-05-09T15:59:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:21 on the 9th and 05:20 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not 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 9510 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Ekādaśī, Fuzhou, 1953: Saturday 9 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": "1953-05-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Ekādaśī 1953 falls on Saturday 9 May. Ekādaśī runs from 02:42 on Sat 9 May to 00:00 on Sat 9 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-05-09",
      "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/1953/pradosha-vrata?on=1953-05-10",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-10",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1300,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-05-10T21:08:55+08:00",
          "utc": "1953-05-10T13:08:55Z",
          "ms": -525264665095.4834
        },
        "end": {
          "local": "1953-05-11T18:17:22+08:00",
          "utc": "1953-05-11T10:17:22Z",
          "ms": -525188557852.14716
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": true,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-10T21:08:55+08:00",
          "utc": "1953-05-10T13:08:55Z",
          "ms": -525264665095.4834
        },
        "end": {
          "local": "1953-05-11T18:17:22+08:00",
          "utc": "1953-05-11T10:17:22Z",
          "ms": -525188557852.14716
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-05-10",
          "window": {
            "start": {
              "local": "1953-05-10T18:38:29+08:00",
              "utc": "1953-05-10T10:38:29Z",
              "ms": -525273690551.5363
            },
            "end": {
              "local": "1953-05-10T20:03:57+08:00",
              "utc": "1953-05-10T12:03:57Z",
              "ms": -525268563159.1775
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "1953-05-11",
          "window": {
            "start": {
              "local": "1953-05-11T18:39:02+08:00",
              "utc": "1953-05-11T10:39:02Z",
              "ms": -525187258138.63196
            },
            "end": {
              "local": "1953-05-11T20:04:20+08:00",
              "utc": "1953-05-11T12:04:20Z",
              "ms": -525182139862.3288
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:09 on Sun 10 May to 18:17 on Mon 11 May.",
          "fact": "1953-05-10T13:08:55Z → 1953-05-11T10:17:22Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:04 on the 10th, 18:39–20:04 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 85 minutes on the 10th and 0 of 85 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 1300 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Sunday 10 May.",
          "fact": "confidence: boundary (absent-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": "1953-05-10",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-10",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Sunday 10 May. Trayodaśī runs from 21:09 on Sun 10 May to 18:17 on Mon 11 May, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-05-10",
      "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/1953/shivaratri?on=1953-05-11",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19053,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-05-11T18:17:22+08:00",
          "utc": "1953-05-11T10:17:22Z",
          "ms": -525188557852.14716
        },
        "end": {
          "local": "1953-05-12T15:33:16+08:00",
          "utc": "1953-05-12T07:33:16Z",
          "ms": -525112004422.28217
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": true,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-11T18:17:22+08:00",
          "utc": "1953-05-11T10:17:22Z",
          "ms": -525188557852.14716
        },
        "end": {
          "local": "1953-05-12T15:33:16+08:00",
          "utc": "1953-05-12T07:33:16Z",
          "ms": -525112004422.28217
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-05-11",
          "window": {
            "start": {
              "local": "1953-05-11T23:34:55+08:00",
              "utc": "1953-05-11T15:34:55Z",
              "ms": -525169504602.49524
            },
            "end": {
              "local": "1953-05-12T00:22:55+08:00",
              "utc": "1953-05-11T16:22:55Z",
              "ms": -525166624602.49524
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-05-12",
          "window": {
            "start": {
              "local": "1953-05-12T23:34:54+08:00",
              "utc": "1953-05-12T15:34:54Z",
              "ms": -525083105788.42993
            },
            "end": {
              "local": "1953-05-13T00:22:54+08:00",
              "utc": "1953-05-12T16:22:54Z",
              "ms": -525080225788.42993
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:17 on Mon 11 May to 15:33 on Tue 12 May.",
          "fact": "1953-05-11T10:17:22Z → 1953-05-12T07:33:16Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 11th, 23:35–00:23 on the 12th.",
          "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 11th and 0 of 48 on the 12th.",
          "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 19053 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Monday 11 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": "1953-05-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Monday 11 May. Caturdaśī runs from 18:17 on Mon 11 May to 15:33 on Tue 12 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-05-11",
      "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/1953/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32692,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1953-05-15T09:36:19+08:00",
          "utc": "1953-05-15T01:36:19Z",
          "ms": -524874220789.2999
        },
        "end": {
          "local": "1953-05-16T08:50:20+08:00",
          "utc": "1953-05-16T00:50:20Z",
          "ms": -524790580228.6049
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-15T09:36:19+08:00",
          "utc": "1953-05-15T01:36:19Z",
          "ms": -524874220789.2999
        },
        "end": {
          "local": "1953-05-16T08:50:20+08:00",
          "utc": "1953-05-16T00:50:20Z",
          "ms": -524790580228.6049
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-05-15",
          "window": {
            "start": {
              "local": "1953-05-15T18:41:12+08:00",
              "utc": "1953-05-15T10:41:12Z",
              "ms": -524841528302.05835
            },
            "end": {
              "local": "1953-05-15T20:05:55+08:00",
              "utc": "1953-05-15T12:05:55Z",
              "ms": -524836444991.63824
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        },
        {
          "local_date": "1953-05-16",
          "window": {
            "start": {
              "local": "1953-05-16T18:41:44+08:00",
              "utc": "1953-05-16T10:41:44Z",
              "ms": -524755095909.5169
            },
            "end": {
              "local": "1953-05-16T20:06:19+08:00",
              "utc": "1953-05-16T12:06:19Z",
              "ms": -524750020944.6017
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:36 on Fri 15 May to 08:50 on Sat 16 May.",
          "fact": "1953-05-15T01:36:19Z → 1953-05-16T00:50:20Z"
        },
        {
          "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": "Tṛtīyā must be present during pradoṣa. It covers 85 of 85 minutes on the 15th and 0 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 32692 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Fuzhou, 1953: Friday 15 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": "1953-05-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Jayantī 1953 falls on Friday 15 May. Tṛtīyā runs from 09:36 on Fri 15 May to 08:50 on Sat 16 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 530,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1953-05-15T09:36:19+08:00",
          "utc": "1953-05-15T01:36:19Z",
          "ms": -524874220789.2999
        },
        "end": {
          "local": "1953-05-16T08:50:20+08:00",
          "utc": "1953-05-16T00:50:20Z",
          "ms": -524790580228.6049
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-15T09:36:19+08:00",
          "utc": "1953-05-15T01:36:19Z",
          "ms": -524874220789.2999
        },
        "end": {
          "local": "1953-05-16T08:50:20+08:00",
          "utc": "1953-05-16T00:50:20Z",
          "ms": -524790580228.6049
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1953-05-15",
          "window": {
            "start": {
              "local": "1953-05-15T05:17:08+08:00",
              "utc": "1953-05-14T21:17:08Z",
              "ms": -524889772104.60114
            },
            "end": {
              "local": "1953-05-15T09:45:09+08:00",
              "utc": "1953-05-15T01:45:09Z",
              "ms": -524873690837.08685
            }
          },
          "covered_min": 9,
          "window_min": 268,
          "qualifies": true
        },
        {
          "local_date": "1953-05-16",
          "window": {
            "start": {
              "local": "1953-05-16T05:16:37+08:00",
              "utc": "1953-05-15T21:16:37Z",
              "ms": -524803403473.9078
            },
            "end": {
              "local": "1953-05-16T09:44:59+08:00",
              "utc": "1953-05-16T01:44:59Z",
              "ms": -524787300952.44415
            }
          },
          "covered_min": 214,
          "window_min": 268,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:36 on Fri 15 May to 08:50 on Sat 16 May.",
          "fact": "1953-05-15T01:36:19Z → 1953-05-16T00:50:20Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:17–09:45 on the 15th, 05:17–09:45 on the 16th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 9 of 268 minutes on the 15th and 214 of 268 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both forenoons qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 530 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Fuzhou, 1953: Saturday 16 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": "1953-05-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Tṛtīyā 1953 falls on Saturday 16 May. Tṛtīyā runs from 09:36 on Fri 15 May to 08:50 on Sat 16 May and covers 214 of 268 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 9 minutes; by the rule the second forenoon is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vinayaka-chaturthi?on=1953-05-16",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9891,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-05-16T08:50:20+08:00",
          "utc": "1953-05-16T00:50:20Z",
          "ms": -524790580228.6049
        },
        "end": {
          "local": "1953-05-17T08:50:19+08:00",
          "utc": "1953-05-17T00:50:19Z",
          "ms": -524704181049.7883
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-16T08:50:20+08:00",
          "utc": "1953-05-16T00:50:20Z",
          "ms": -524790580228.6049
        },
        "end": {
          "local": "1953-05-17T08:50:19+08:00",
          "utc": "1953-05-17T00:50:19Z",
          "ms": -524704181049.7883
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-05-16",
          "window": {
            "start": {
              "local": "1953-05-16T11:35:10+08:00",
              "utc": "1953-05-16T03:35:10Z",
              "ms": -524780689691.71234
            },
            "end": {
              "local": "1953-05-16T12:23:10+08:00",
              "utc": "1953-05-16T04:23:10Z",
              "ms": -524777809691.71234
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-05-17",
          "window": {
            "start": {
              "local": "1953-05-17T11:35:11+08:00",
              "utc": "1953-05-17T03:35:11Z",
              "ms": -524694288631.30774
            },
            "end": {
              "local": "1953-05-17T12:23:11+08:00",
              "utc": "1953-05-17T04:23:11Z",
              "ms": -524691408631.30774
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:50 on Sat 16 May to 08:50 on Sun 17 May.",
          "fact": "1953-05-16T00:50:20Z → 1953-05-17T00:50:19Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "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 9891 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Saturday 16 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": "1953-05-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Saturday 16 May. Caturthī runs from 08:50 on Sat 16 May to 08:50 on Sun 17 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-05-16",
      "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/1953/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7094,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1953-05-17T08:50:19+08:00",
          "utc": "1953-05-17T00:50:19Z",
          "ms": -524704181049.7883
        },
        "end": {
          "local": "1953-05-18T09:36:59+08:00",
          "utc": "1953-05-18T01:36:59Z",
          "ms": -524614980704.1162
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-17T08:50:19+08:00",
          "utc": "1953-05-17T00:50:19Z",
          "ms": -524704181049.7883
        },
        "end": {
          "local": "1953-05-18T09:36:59+08:00",
          "utc": "1953-05-18T01:36:59Z",
          "ms": -524614980704.1162
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-05-17",
          "window": {
            "start": {
              "local": "1953-05-17T11:35:11+08:00",
              "utc": "1953-05-17T03:35:11Z",
              "ms": -524694288631.30774
            },
            "end": {
              "local": "1953-05-17T12:23:11+08:00",
              "utc": "1953-05-17T04:23:11Z",
              "ms": -524691408631.30774
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-05-18",
          "window": {
            "start": {
              "local": "1953-05-18T11:35:13+08:00",
              "utc": "1953-05-18T03:35:13Z",
              "ms": -524607887028.9663
            },
            "end": {
              "local": "1953-05-18T12:23:13+08:00",
              "utc": "1953-05-18T04:23:13Z",
              "ms": -524605007028.9663
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 08:50 on Sun 17 May to 09:37 on Mon 18 May.",
          "fact": "1953-05-17T00:50:19Z → 1953-05-18T01:36:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 17th, 11:35–12:23 on the 18th.",
          "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 17th and 0 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: unstated → only-day · margin 7094 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Fuzhou, 1953: Sunday 17 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": "1953-05-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śaṅkara Jayantī 1953 falls on Sunday 17 May. Pañcamī runs from 08:50 on Sun 17 May to 09:37 on Mon 18 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1732,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1953-05-19T11:06:23+08:00",
          "utc": "1953-05-19T03:06:23Z",
          "ms": -524523216918.0214
        },
        "end": {
          "local": "1953-05-20T13:09:39+08:00",
          "utc": "1953-05-20T05:09:39Z",
          "ms": -524429420993.68134
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-19T11:06:23+08:00",
          "utc": "1953-05-19T03:06:23Z",
          "ms": -524523216918.0214
        },
        "end": {
          "local": "1953-05-20T13:09:39+08:00",
          "utc": "1953-05-20T05:09:39Z",
          "ms": -524429420993.68134
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-05-19",
          "window": {
            "start": {
              "local": "1953-05-19T11:35:15+08:00",
              "utc": "1953-05-19T03:35:15Z",
              "ms": -524521484891.47363
            },
            "end": {
              "local": "1953-05-19T12:23:15+08:00",
              "utc": "1953-05-19T04:23:15Z",
              "ms": -524518604891.47363
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-05-20",
          "window": {
            "start": {
              "local": "1953-05-20T11:35:18+08:00",
              "utc": "1953-05-20T03:35:18Z",
              "ms": -524435082225.6487
            },
            "end": {
              "local": "1953-05-20T12:23:18+08:00",
              "utc": "1953-05-20T04:23:18Z",
              "ms": -524432202225.6487
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 11:06 on Tue 19 May to 13:10 on Wed 20 May.",
          "fact": "1953-05-19T03:06:23Z → 1953-05-20T05:09:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 19th, 11:35–12:23 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 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 1732 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Fuzhou, 1953: Tuesday 19 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": "1953-05-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 1953 falls on Tuesday 19 May. Saptamī runs from 11:06 on Tue 19 May to 13:10 on Wed 20 May and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-05-24",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24502,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-05-23T20:24:49+08:00",
          "utc": "1953-05-23T12:24:49Z",
          "ms": -524144110668.2442
        },
        "end": {
          "local": "1953-05-24T22:24:26+08:00",
          "utc": "1953-05-24T14:24:26Z",
          "ms": -524050534054.46246
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-23T20:24:49+08:00",
          "utc": "1953-05-23T12:24:49Z",
          "ms": -524144110668.2442
        },
        "end": {
          "local": "1953-05-24T22:24:26+08:00",
          "utc": "1953-05-24T14:24:26Z",
          "ms": -524050534054.46246
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-05-24",
          "window": {
            "start": {
              "local": "1953-05-24T05:13:08+08:00",
              "utc": "1953-05-23T21:13:08Z",
              "ms": -524112411529.9383
            },
            "end": {
              "local": "1953-05-24T05:13:08+08:00",
              "utc": "1953-05-23T21:13:08Z",
              "ms": -524112411529.9383
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-05-25",
          "window": {
            "start": {
              "local": "1953-05-25T05:12:48+08:00",
              "utc": "1953-05-24T21:12:48Z",
              "ms": -524026032048.5911
            },
            "end": {
              "local": "1953-05-25T05:12:48+08:00",
              "utc": "1953-05-24T21:12:48Z",
              "ms": -524026032048.5911
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:25 on Sat 23 May to 22:24 on Sun 24 May.",
          "fact": "1953-05-23T12:24:49Z → 1953-05-24T14:24:26Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:13 on the 24th and 05:13 on the 25th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not on the 25th.",
          "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 24502 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Fuzhou, 1953: Sunday 24 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": "1953-05-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mohinī Ekādaśī 1953 falls on Sunday 24 May. Ekādaśī runs from 20:25 on Sat 23 May to 22:24 on Sun 24 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-05-24",
      "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/1953/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36052,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1953-05-24T22:24:26+08:00",
          "utc": "1953-05-24T14:24:26Z",
          "ms": -524050534054.46246
        },
        "end": {
          "local": "1953-05-25T23:54:21+08:00",
          "utc": "1953-05-25T15:54:21Z",
          "ms": -523958738919.45074
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-24T22:24:26+08:00",
          "utc": "1953-05-24T14:24:26Z",
          "ms": -524050534054.46246
        },
        "end": {
          "local": "1953-05-25T23:54:21+08:00",
          "utc": "1953-05-25T15:54:21Z",
          "ms": -523958738919.45074
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-05-24",
          "window": {
            "start": {
              "local": "1953-05-24T11:35:34+08:00",
              "utc": "1953-05-24T03:35:34Z",
              "ms": -524089466421.45325
            },
            "end": {
              "local": "1953-05-24T12:23:34+08:00",
              "utc": "1953-05-24T04:23:34Z",
              "ms": -524086586421.45325
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-05-25",
          "window": {
            "start": {
              "local": "1953-05-25T11:35:39+08:00",
              "utc": "1953-05-25T03:35:39Z",
              "ms": -524003061222.93176
            },
            "end": {
              "local": "1953-05-25T12:23:39+08:00",
              "utc": "1953-05-25T04:23:39Z",
              "ms": -524000181222.93176
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 22:24 on Sun 24 May to 23:54 on Mon 25 May.",
          "fact": "1953-05-24T14:24:26Z → 1953-05-25T15:54:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 24th, 11:36–12:24 on the 25th.",
          "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 24th and 48 of 48 on the 25th.",
          "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 36052 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Fuzhou, 1953: Monday 25 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": "1953-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Dvādaśī 1953 falls on Monday 25 May. Dvādaśī runs from 22:24 on Sun 24 May to 23:54 on Mon 25 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36052,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1953-05-24T22:24:26+08:00",
          "utc": "1953-05-24T14:24:26Z",
          "ms": -524050534054.46246
        },
        "end": {
          "local": "1953-05-25T23:54:21+08:00",
          "utc": "1953-05-25T15:54:21Z",
          "ms": -523958738919.45074
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-24T22:24:26+08:00",
          "utc": "1953-05-24T14:24:26Z",
          "ms": -524050534054.46246
        },
        "end": {
          "local": "1953-05-25T23:54:21+08:00",
          "utc": "1953-05-25T15:54:21Z",
          "ms": -523958738919.45074
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-05-24",
          "window": {
            "start": {
              "local": "1953-05-24T11:35:34+08:00",
              "utc": "1953-05-24T03:35:34Z",
              "ms": -524089466421.45325
            },
            "end": {
              "local": "1953-05-24T12:23:34+08:00",
              "utc": "1953-05-24T04:23:34Z",
              "ms": -524086586421.45325
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-05-25",
          "window": {
            "start": {
              "local": "1953-05-25T11:35:39+08:00",
              "utc": "1953-05-25T03:35:39Z",
              "ms": -524003061222.93176
            },
            "end": {
              "local": "1953-05-25T12:23:39+08:00",
              "utc": "1953-05-25T04:23:39Z",
              "ms": -524000181222.93176
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 22:24 on Sun 24 May to 23:54 on Mon 25 May.",
          "fact": "1953-05-24T14:24:26Z → 1953-05-25T15:54:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 24th, 11:36–12:24 on the 25th.",
          "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 24th and 48 of 48 on the 25th.",
          "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 36052 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Fuzhou, 1953: Monday 25 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": "1953-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rukmiṇī Dvādaśī 1953 falls on Monday 25 May. Dvādaśī runs from 22:24 on Sun 24 May to 23:54 on Mon 25 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/pradosha-vrata?on=1953-05-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13464,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-05-25T23:54:21+08:00",
          "utc": "1953-05-25T15:54:21Z",
          "ms": -523958738919.45074
        },
        "end": {
          "local": "1953-05-27T00:50:31+08:00",
          "utc": "1953-05-26T16:50:31Z",
          "ms": -523868968902.1024
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-25T23:54:21+08:00",
          "utc": "1953-05-25T15:54:21Z",
          "ms": -523958738919.45074
        },
        "end": {
          "local": "1953-05-27T00:50:31+08:00",
          "utc": "1953-05-26T16:50:31Z",
          "ms": -523868968902.1024
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-05-25",
          "window": {
            "start": {
              "local": "1953-05-25T18:46:30+08:00",
              "utc": "1953-05-25T10:46:30Z",
              "ms": -523977210397.27234
            },
            "end": {
              "local": "1953-05-25T20:09:57+08:00",
              "utc": "1953-05-25T12:09:57Z",
              "ms": -523972202520.76794
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "1953-05-26",
          "window": {
            "start": {
              "local": "1953-05-26T18:47:00+08:00",
              "utc": "1953-05-26T10:47:00Z",
              "ms": -523890779759.3209
            },
            "end": {
              "local": "1953-05-26T20:10:22+08:00",
              "utc": "1953-05-26T12:10:22Z",
              "ms": -523885778371.2414
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:54 on Mon 25 May to 00:51 on Wed 27 May.",
          "fact": "1953-05-25T15:54:21Z → 1953-05-26T16:50:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:10 on the 25th, 18:47–20:10 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 0 of 83 minutes on the 25th and 83 of 83 on the 26th.",
          "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 13464 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Tuesday 26 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": "1953-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Tuesday 26 May. Trayodaśī runs from 23:54 on Mon 25 May to 00:51 on Wed 27 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-05-26",
      "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/1953/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16809,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-05-27T00:50:31+08:00",
          "utc": "1953-05-26T16:50:31Z",
          "ms": -523868968902.1024
        },
        "end": {
          "local": "1953-05-28T01:12:36+08:00",
          "utc": "1953-05-27T17:12:36Z",
          "ms": -523781244367.0769
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-27T00:50:31+08:00",
          "utc": "1953-05-26T16:50:31Z",
          "ms": -523868968902.1024
        },
        "end": {
          "local": "1953-05-28T01:12:36+08:00",
          "utc": "1953-05-27T17:12:36Z",
          "ms": -523781244367.0769
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-05-26",
          "window": {
            "start": {
              "local": "1953-05-26T18:47:00+08:00",
              "utc": "1953-05-26T10:47:00Z",
              "ms": -523890779759.3209
            },
            "end": {
              "local": "1953-05-26T20:10:22+08:00",
              "utc": "1953-05-26T12:10:22Z",
              "ms": -523885778371.2414
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "1953-05-27",
          "window": {
            "start": {
              "local": "1953-05-27T18:47:31+08:00",
              "utc": "1953-05-27T10:47:31Z",
              "ms": -523804349421.815
            },
            "end": {
              "local": "1953-05-27T20:10:46+08:00",
              "utc": "1953-05-27T12:10:46Z",
              "ms": -523799354314.7542
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:51 on Wed 27 May to 01:13 on Thu 28 May.",
          "fact": "1953-05-26T16:50:31Z → 1953-05-27T17:12:36Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:10 on the 26th, 18:48–20:11 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 83 minutes on the 26th and 83 of 83 on the 27th.",
          "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 16809 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Fuzhou, 1953: Wednesday 27 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": "1953-05-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1953 falls on Wednesday 27 May. Caturdaśī runs from 00:51 on Wed 27 May to 01:13 on Thu 28 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37402,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-05-28T01:12:36+08:00",
          "utc": "1953-05-27T17:12:36Z",
          "ms": -523781244367.0769
        },
        "end": {
          "local": "1953-05-29T01:02:56+08:00",
          "utc": "1953-05-28T17:02:56Z",
          "ms": -523695423949.3376
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-28T01:12:36+08:00",
          "utc": "1953-05-27T17:12:36Z",
          "ms": -523781244367.0769
        },
        "end": {
          "local": "1953-05-29T01:02:56+08:00",
          "utc": "1953-05-28T17:02:56Z",
          "ms": -523695423949.3376
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-05-28",
          "window": {
            "start": {
              "local": "1953-05-28T11:35:57+08:00",
              "utc": "1953-05-28T03:35:57Z",
              "ms": -523743842763.16943
            },
            "end": {
              "local": "1953-05-28T12:23:57+08:00",
              "utc": "1953-05-28T04:23:57Z",
              "ms": -523740962763.16943
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-05-29",
          "window": {
            "start": {
              "local": "1953-05-29T11:36:04+08:00",
              "utc": "1953-05-29T03:36:04Z",
              "ms": -523657435684.0604
            },
            "end": {
              "local": "1953-05-29T12:24:04+08:00",
              "utc": "1953-05-29T04:24:04Z",
              "ms": -523654555684.0604
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:13 on Thu 28 May to 01:03 on Fri 29 May.",
          "fact": "1953-05-27T17:12:36Z → 1953-05-28T17:02:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 28th, 11:36–12:24 on the 29th.",
          "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 28th and 0 of 48 on the 29th.",
          "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 37402 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Fuzhou, 1953: Thursday 28 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": "1953-05-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Buddha Pūrṇimā 1953 falls on Thursday 28 May. Pūrṇimā runs from 01:13 on Thu 28 May to 01:03 on Fri 29 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37402,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-05-28T01:12:36+08:00",
          "utc": "1953-05-27T17:12:36Z",
          "ms": -523781244367.0769
        },
        "end": {
          "local": "1953-05-29T01:02:56+08:00",
          "utc": "1953-05-28T17:02:56Z",
          "ms": -523695423949.3376
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-28T01:12:36+08:00",
          "utc": "1953-05-27T17:12:36Z",
          "ms": -523781244367.0769
        },
        "end": {
          "local": "1953-05-29T01:02:56+08:00",
          "utc": "1953-05-28T17:02:56Z",
          "ms": -523695423949.3376
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-05-28",
          "window": {
            "start": {
              "local": "1953-05-28T11:35:57+08:00",
              "utc": "1953-05-28T03:35:57Z",
              "ms": -523743842763.16943
            },
            "end": {
              "local": "1953-05-28T12:23:57+08:00",
              "utc": "1953-05-28T04:23:57Z",
              "ms": -523740962763.16943
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-05-29",
          "window": {
            "start": {
              "local": "1953-05-29T11:36:04+08:00",
              "utc": "1953-05-29T03:36:04Z",
              "ms": -523657435684.0604
            },
            "end": {
              "local": "1953-05-29T12:24:04+08:00",
              "utc": "1953-05-29T04:24:04Z",
              "ms": -523654555684.0604
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:13 on Thu 28 May to 01:03 on Fri 29 May.",
          "fact": "1953-05-27T17:12:36Z → 1953-05-28T17:02:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 28th, 11:36–12:24 on the 29th.",
          "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 28th and 0 of 48 on the 29th.",
          "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 37402 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Fuzhou, 1953: Thursday 28 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": "1953-05-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sampat Gaurī Vrata 1953 falls on Thursday 28 May. Pūrṇimā runs from 01:13 on Thu 28 May to 01:03 on Fri 29 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-05-31",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-05-31",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2173,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-05-31T22:05:02+08:00",
          "utc": "1953-05-31T14:05:02Z",
          "ms": -523446898192.56067
        },
        "end": {
          "local": "1953-06-01T20:30:10+08:00",
          "utc": "1953-06-01T12:30:10Z",
          "ms": -523366189828.7965
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-05-31T22:05:02+08:00",
          "utc": "1953-05-31T14:05:02Z",
          "ms": -523446898192.56067
        },
        "end": {
          "local": "1953-06-01T20:30:10+08:00",
          "utc": "1953-06-01T12:30:10Z",
          "ms": -523366189828.7965
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-05-31",
          "window": {
            "start": {
              "local": "1953-05-31T21:28:49+08:00",
              "utc": "1953-05-31T13:28:49Z",
              "ms": -523449071055.7087
            },
            "end": {
              "local": "1953-05-31T21:28:49+08:00",
              "utc": "1953-05-31T13:28:49Z",
              "ms": -523449071055.7087
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-06-01",
          "window": {
            "start": {
              "local": "1953-06-01T22:16:21+08:00",
              "utc": "1953-06-01T14:16:21Z",
              "ms": -523359819458.1285
            },
            "end": {
              "local": "1953-06-01T22:16:21+08:00",
              "utc": "1953-06-01T14:16:21Z",
              "ms": -523359819458.1285
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:05 on Sun 31 May to 20:30 on Mon 1 Jun.",
          "fact": "1953-05-31T14:05:02Z → 1953-06-01T12:30:10Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:29 on the 31st and 22:16 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 31st and is not on the 1st.",
          "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 2173 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Sunday 31 May.",
          "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": "1953-05-31",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-05-31",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Sunday 31 May. Caturthī runs from 22:05 on Sun 31 May to 20:30 on Mon 1 Jun, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-05-31",
      "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/1953/ekadashi?on=1953-06-08",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1793,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-06-07T07:55:13+08:00",
          "utc": "1953-06-06T23:55:13Z",
          "ms": -522893086831.3824
        },
        "end": {
          "local": "1953-06-08T05:40:07+08:00",
          "utc": "1953-06-07T21:40:07Z",
          "ms": -522814793490.78687
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-07T07:55:13+08:00",
          "utc": "1953-06-06T23:55:13Z",
          "ms": -522893086831.3824
        },
        "end": {
          "local": "1953-06-08T05:40:07+08:00",
          "utc": "1953-06-07T21:40:07Z",
          "ms": -522814793490.78687
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-06-07",
          "window": {
            "start": {
              "local": "1953-06-07T05:10:16+08:00",
              "utc": "1953-06-06T21:10:16Z",
              "ms": -522902984072.75934
            },
            "end": {
              "local": "1953-06-07T05:10:16+08:00",
              "utc": "1953-06-06T21:10:16Z",
              "ms": -522902984072.75934
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-06-08",
          "window": {
            "start": {
              "local": "1953-06-08T05:10:13+08:00",
              "utc": "1953-06-07T21:10:13Z",
              "ms": -522816586912.3011
            },
            "end": {
              "local": "1953-06-08T05:10:13+08:00",
              "utc": "1953-06-07T21:10:13Z",
              "ms": -522816586912.3011
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:55 on Sun 7 Jun to 05:40 on Mon 8 Jun.",
          "fact": "1953-06-06T23:55:13Z → 1953-06-07T21:40:07Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:10 on the 7th and 05:10 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 1793 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Fuzhou, 1953: Monday 8 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": "1953-06-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aparā Ekādaśī 1953 falls on Monday 8 June. Ekādaśī runs from 07:55 on Sun 7 Jun to 05:40 on Mon 8 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-06-08",
      "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/1953/pradosha-vrata?on=1953-06-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19336,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-06-09T03:32:24+08:00",
          "utc": "1953-06-08T19:32:24Z",
          "ms": -522736056174.02954
        },
        "end": {
          "local": "1953-06-10T01:37:56+08:00",
          "utc": "1953-06-09T17:37:56Z",
          "ms": -522656523581.4585
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-09T03:32:24+08:00",
          "utc": "1953-06-08T19:32:24Z",
          "ms": -522736056174.02954
        },
        "end": {
          "local": "1953-06-10T01:37:56+08:00",
          "utc": "1953-06-09T17:37:56Z",
          "ms": -522656523581.4585
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-06-08",
          "window": {
            "start": {
              "local": "1953-06-08T18:53:02+08:00",
              "utc": "1953-06-08T10:53:02Z",
              "ms": -522767217608.72095
            },
            "end": {
              "local": "1953-06-08T20:15:20+08:00",
              "utc": "1953-06-08T12:15:20Z",
              "ms": -522762280396.51434
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        },
        {
          "local_date": "1953-06-09",
          "window": {
            "start": {
              "local": "1953-06-09T18:53:27+08:00",
              "utc": "1953-06-09T10:53:27Z",
              "ms": -522680793475.38074
            },
            "end": {
              "local": "1953-06-09T20:15:40+08:00",
              "utc": "1953-06-09T12:15:40Z",
              "ms": -522675859532.3627
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:32 on Tue 9 Jun to 01:38 on Wed 10 Jun.",
          "fact": "1953-06-08T19:32:24Z → 1953-06-09T17:37:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:15 on the 8th, 18:53–20:16 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 82 minutes on the 8th and 82 of 82 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 19336 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Tuesday 9 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": "1953-06-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Tuesday 9 June. Trayodaśī runs from 03:32 on Tue 9 Jun to 01:38 on Wed 10 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-06-09",
      "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/1953/shivaratri?on=1953-06-10",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1370,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-06-10T01:37:56+08:00",
          "utc": "1953-06-09T17:37:56Z",
          "ms": -522656523581.4585
        },
        "end": {
          "local": "1953-06-11T00:03:11+08:00",
          "utc": "1953-06-10T16:03:11Z",
          "ms": -522575808583.20306
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-10T01:37:56+08:00",
          "utc": "1953-06-09T17:37:56Z",
          "ms": -522656523581.4585
        },
        "end": {
          "local": "1953-06-11T00:03:11+08:00",
          "utc": "1953-06-10T16:03:11Z",
          "ms": -522575808583.20306
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-06-09",
          "window": {
            "start": {
              "local": "1953-06-09T23:37:49+08:00",
              "utc": "1953-06-09T15:37:49Z",
              "ms": -522663731189.063
            },
            "end": {
              "local": "1953-06-10T00:25:49+08:00",
              "utc": "1953-06-09T16:25:49Z",
              "ms": -522660851189.063
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-06-10",
          "window": {
            "start": {
              "local": "1953-06-10T23:38:01+08:00",
              "utc": "1953-06-10T15:38:01Z",
              "ms": -522577319057.8241
            },
            "end": {
              "local": "1953-06-11T00:26:01+08:00",
              "utc": "1953-06-10T16:26:01Z",
              "ms": -522574439057.8241
            }
          },
          "covered_min": 25,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 01:38 on Wed 10 Jun to 00:03 on Thu 11 Jun.",
          "fact": "1953-06-09T17:37:56Z → 1953-06-10T16:03:11Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 9th, 23:38–00:26 on the 10th.",
          "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 9th and 25 of 48 on the 10th.",
          "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 1370 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Wednesday 10 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": "1953-06-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Wednesday 10 June. Caturdaśī runs from 01:38 on Wed 10 Jun to 00:03 on Thu 11 Jun and covers 25 of 48 minutes of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-06-10",
      "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/1953/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35554,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1953-06-13T22:19:11+08:00",
          "utc": "1953-06-13T14:19:11Z",
          "ms": -522322849312.27026
        },
        "end": {
          "local": "1953-06-14T22:59:00+08:00",
          "utc": "1953-06-14T14:59:00Z",
          "ms": -522234059774.40393
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-13T22:19:11+08:00",
          "utc": "1953-06-13T14:19:11Z",
          "ms": -522322849312.27026
        },
        "end": {
          "local": "1953-06-14T22:59:00+08:00",
          "utc": "1953-06-14T14:59:00Z",
          "ms": -522234059774.40393
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-06-13",
          "window": {
            "start": {
              "local": "1953-06-13T11:38:36+08:00",
              "utc": "1953-06-13T03:38:36Z",
              "ms": -522361283540.4088
            },
            "end": {
              "local": "1953-06-13T12:26:36+08:00",
              "utc": "1953-06-13T04:26:36Z",
              "ms": -522358403540.4088
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-06-14",
          "window": {
            "start": {
              "local": "1953-06-14T11:38:49+08:00",
              "utc": "1953-06-14T03:38:49Z",
              "ms": -522274871208.68207
            },
            "end": {
              "local": "1953-06-14T12:26:49+08:00",
              "utc": "1953-06-14T04:26:49Z",
              "ms": -522271991208.68207
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 22:19 on Sat 13 Jun to 22:59 on Sun 14 Jun.",
          "fact": "1953-06-13T14:19:11Z → 1953-06-14T14:59:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 13th, 11:39–12:27 on the 14th.",
          "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 13th and 48 of 48 on the 14th.",
          "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 35554 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Fuzhou, 1953: Sunday 14 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": "1953-06-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rambhā Tṛtīyā 1953 falls on Sunday 14 June. Tṛtīyā runs from 22:19 on Sat 13 Jun to 22:59 on Sun 14 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vinayaka-chaturthi?on=1953-06-15",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37931,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-06-14T22:59:00+08:00",
          "utc": "1953-06-14T14:59:00Z",
          "ms": -522234059774.40393
        },
        "end": {
          "local": "1953-06-16T00:16:55+08:00",
          "utc": "1953-06-15T16:16:55Z",
          "ms": -522142984902.31
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-14T22:59:00+08:00",
          "utc": "1953-06-14T14:59:00Z",
          "ms": -522234059774.40393
        },
        "end": {
          "local": "1953-06-16T00:16:55+08:00",
          "utc": "1953-06-15T16:16:55Z",
          "ms": -522142984902.31
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-06-14",
          "window": {
            "start": {
              "local": "1953-06-14T11:38:49+08:00",
              "utc": "1953-06-14T03:38:49Z",
              "ms": -522274871208.68207
            },
            "end": {
              "local": "1953-06-14T12:26:49+08:00",
              "utc": "1953-06-14T04:26:49Z",
              "ms": -522271991208.68207
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-06-15",
          "window": {
            "start": {
              "local": "1953-06-15T11:39:01+08:00",
              "utc": "1953-06-15T03:39:01Z",
              "ms": -522188458742.5349
            },
            "end": {
              "local": "1953-06-15T12:27:01+08:00",
              "utc": "1953-06-15T04:27:01Z",
              "ms": -522185578742.5349
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:59 on Sun 14 Jun to 00:17 on Tue 16 Jun.",
          "fact": "1953-06-14T14:59:00Z → 1953-06-15T16:16:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 14th, 11:39–12:27 on the 15th.",
          "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 14th and 48 of 48 on the 15th.",
          "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 37931 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Monday 15 June.",
          "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": "1953-06-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Monday 15 June. Caturthī runs from 22:59 on Sun 14 Jun to 00:17 on Tue 16 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-06-15",
      "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/1953/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26229,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1953-06-17T02:07:50+08:00",
          "utc": "1953-06-16T18:07:50Z",
          "ms": -522049929918.36945
        },
        "end": {
          "local": "1953-06-18T04:22:31+08:00",
          "utc": "1953-06-17T20:22:31Z",
          "ms": -521955449319.52496
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-17T02:07:50+08:00",
          "utc": "1953-06-16T18:07:50Z",
          "ms": -522049929918.36945
        },
        "end": {
          "local": "1953-06-18T04:22:31+08:00",
          "utc": "1953-06-17T20:22:31Z",
          "ms": -521955449319.52496
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-06-17",
          "window": {
            "start": {
              "local": "1953-06-17T11:39:26+08:00",
              "utc": "1953-06-17T03:39:26Z",
              "ms": -522015633509.1626
            },
            "end": {
              "local": "1953-06-17T12:27:26+08:00",
              "utc": "1953-06-17T04:27:26Z",
              "ms": -522012753509.1626
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-06-18",
          "window": {
            "start": {
              "local": "1953-06-18T11:39:39+08:00",
              "utc": "1953-06-18T03:39:39Z",
              "ms": -521929220791.625
            },
            "end": {
              "local": "1953-06-18T12:27:39+08:00",
              "utc": "1953-06-18T04:27:39Z",
              "ms": -521926340791.625
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 02:08 on Wed 17 Jun to 04:23 on Thu 18 Jun.",
          "fact": "1953-06-16T18:07:50Z → 1953-06-17T20:22:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:40–12:28 on the 18th.",
          "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 17th and 0 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 26229 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Fuzhou, 1953: Wednesday 17 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": "1953-06-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Araṇya Gaurī Vrata 1953 falls on Wednesday 17 June. Ṣaṣṭhī runs from 02:08 on Wed 17 Jun to 04:23 on Thu 18 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26229,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1953-06-17T02:07:50+08:00",
          "utc": "1953-06-16T18:07:50Z",
          "ms": -522049929918.36945
        },
        "end": {
          "local": "1953-06-18T04:22:31+08:00",
          "utc": "1953-06-17T20:22:31Z",
          "ms": -521955449319.52496
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-17T02:07:50+08:00",
          "utc": "1953-06-16T18:07:50Z",
          "ms": -522049929918.36945
        },
        "end": {
          "local": "1953-06-18T04:22:31+08:00",
          "utc": "1953-06-17T20:22:31Z",
          "ms": -521955449319.52496
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-06-17",
          "window": {
            "start": {
              "local": "1953-06-17T11:39:26+08:00",
              "utc": "1953-06-17T03:39:26Z",
              "ms": -522015633509.1626
            },
            "end": {
              "local": "1953-06-17T12:27:26+08:00",
              "utc": "1953-06-17T04:27:26Z",
              "ms": -522012753509.1626
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-06-18",
          "window": {
            "start": {
              "local": "1953-06-18T11:39:39+08:00",
              "utc": "1953-06-18T03:39:39Z",
              "ms": -521929220791.625
            },
            "end": {
              "local": "1953-06-18T12:27:39+08:00",
              "utc": "1953-06-18T04:27:39Z",
              "ms": -521926340791.625
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 02:08 on Wed 17 Jun to 04:23 on Thu 18 Jun.",
          "fact": "1953-06-16T18:07:50Z → 1953-06-17T20:22:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:40–12:28 on the 18th.",
          "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 17th and 0 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: purvaviddha → only-day · margin 26229 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 1953: Wednesday 17 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": "1953-06-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1953 falls on Wednesday 17 June. Ṣaṣṭhī runs from 02:08 on Wed 17 Jun to 04:23 on Thu 18 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-06-23",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27654,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-06-22T12:52:28+08:00",
          "utc": "1953-06-22T04:52:28Z",
          "ms": -521579251987.19916
        },
        "end": {
          "local": "1953-06-23T13:52:26+08:00",
          "utc": "1953-06-23T05:52:26Z",
          "ms": -521489253997.22675
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-22T12:52:28+08:00",
          "utc": "1953-06-22T04:52:28Z",
          "ms": -521579251987.19916
        },
        "end": {
          "local": "1953-06-23T13:52:26+08:00",
          "utc": "1953-06-23T05:52:26Z",
          "ms": -521489253997.22675
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-06-22",
          "window": {
            "start": {
              "local": "1953-06-22T05:11:35+08:00",
              "utc": "1953-06-21T21:11:35Z",
              "ms": -521606905499.6236
            },
            "end": {
              "local": "1953-06-22T05:11:35+08:00",
              "utc": "1953-06-21T21:11:35Z",
              "ms": -521606905499.6236
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-06-23",
          "window": {
            "start": {
              "local": "1953-06-23T05:11:48+08:00",
              "utc": "1953-06-22T21:11:48Z",
              "ms": -521520491858.4805
            },
            "end": {
              "local": "1953-06-23T05:11:48+08:00",
              "utc": "1953-06-22T21:11:48Z",
              "ms": -521520491858.4805
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:52 on Mon 22 Jun to 13:52 on Tue 23 Jun.",
          "fact": "1953-06-22T04:52:28Z → 1953-06-23T05:52:26Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:12 on the 22nd and 05:12 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 27654 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Fuzhou, 1953: Tuesday 23 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": "1953-06-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nirjalā Ekādaśī 1953 falls on Tuesday 23 June. Ekādaśī runs from 12:52 on Mon 22 Jun to 13:52 on Tue 23 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-06-23",
      "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/1953/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5023,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1953-06-23T13:52:26+08:00",
          "utc": "1953-06-23T05:52:26Z",
          "ms": -521489253997.22675
        },
        "end": {
          "local": "1953-06-24T14:12:26+08:00",
          "utc": "1953-06-24T06:12:26Z",
          "ms": -521401653752.11774
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-23T13:52:26+08:00",
          "utc": "1953-06-23T05:52:26Z",
          "ms": -521489253997.22675
        },
        "end": {
          "local": "1953-06-24T14:12:26+08:00",
          "utc": "1953-06-24T06:12:26Z",
          "ms": -521401653752.11774
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-06-23",
          "window": {
            "start": {
              "local": "1953-06-23T11:40:43+08:00",
              "utc": "1953-06-23T03:40:43Z",
              "ms": -521497157148.33624
            },
            "end": {
              "local": "1953-06-23T12:28:43+08:00",
              "utc": "1953-06-23T04:28:43Z",
              "ms": -521494277148.33624
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-06-24",
          "window": {
            "start": {
              "local": "1953-06-24T11:40:55+08:00",
              "utc": "1953-06-24T03:40:55Z",
              "ms": -521410744566.9926
            },
            "end": {
              "local": "1953-06-24T12:28:55+08:00",
              "utc": "1953-06-24T04:28:55Z",
              "ms": -521407864566.9926
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 13:52 on Tue 23 Jun to 14:12 on Wed 24 Jun.",
          "fact": "1953-06-23T05:52:26Z → 1953-06-24T06:12:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 23rd, 11:41–12:29 on the 24th.",
          "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 23rd and 48 of 48 on the 24th.",
          "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 5023 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Fuzhou, 1953: Wednesday 24 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": "1953-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Rāma Dvādaśī 1953 falls on Wednesday 24 June. Dvādaśī runs from 13:52 on Tue 23 Jun to 14:12 on Wed 24 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/pradosha-vrata?on=1953-06-24",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17122,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-06-24T14:12:26+08:00",
          "utc": "1953-06-24T06:12:26Z",
          "ms": -521401653752.11774
        },
        "end": {
          "local": "1953-06-25T13:52:47+08:00",
          "utc": "1953-06-25T05:52:47Z",
          "ms": -521316433206.0115
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-24T14:12:26+08:00",
          "utc": "1953-06-24T06:12:26Z",
          "ms": -521401653752.11774
        },
        "end": {
          "local": "1953-06-25T13:52:47+08:00",
          "utc": "1953-06-25T05:52:47Z",
          "ms": -521316433206.0115
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-06-24",
          "window": {
            "start": {
              "local": "1953-06-24T18:57:48+08:00",
              "utc": "1953-06-24T10:57:48Z",
              "ms": -521384531841.02136
            },
            "end": {
              "local": "1953-06-24T20:19:44+08:00",
              "utc": "1953-06-24T12:19:44Z",
              "ms": -521379615839.0493
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "1953-06-25",
          "window": {
            "start": {
              "local": "1953-06-25T18:57:58+08:00",
              "utc": "1953-06-25T10:57:58Z",
              "ms": -521298122342.8825
            },
            "end": {
              "local": "1953-06-25T20:19:55+08:00",
              "utc": "1953-06-25T12:19:55Z",
              "ms": -521293205428.00525
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:12 on Wed 24 Jun to 13:53 on Thu 25 Jun.",
          "fact": "1953-06-24T06:12:26Z → 1953-06-25T05:52:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 24th, 18:58–20:20 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 82 of 82 minutes on the 24th and 0 of 82 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 17122 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Wednesday 24 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": "1953-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Wednesday 24 June. Trayodaśī runs from 14:12 on Wed 24 Jun to 13:53 on Thu 25 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-06-24",
      "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/1953/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21686,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-06-26T12:56:41+08:00",
          "utc": "1953-06-26T04:56:41Z",
          "ms": -521233399461.8635
        },
        "end": {
          "local": "1953-06-27T11:29:16+08:00",
          "utc": "1953-06-27T03:29:16Z",
          "ms": -521152244360.6511
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-26T12:56:41+08:00",
          "utc": "1953-06-26T04:56:41Z",
          "ms": -521233399461.8635
        },
        "end": {
          "local": "1953-06-27T11:29:16+08:00",
          "utc": "1953-06-27T03:29:16Z",
          "ms": -521152244360.6511
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-06-26",
          "window": {
            "start": {
              "local": "1953-06-26T18:58:06+08:00",
              "utc": "1953-06-26T10:58:06Z",
              "ms": -521211713960.4354
            },
            "end": {
              "local": "1953-06-26T20:20:04+08:00",
              "utc": "1953-06-26T12:20:04Z",
              "ms": -521206795869.8392
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "1953-06-27",
          "window": {
            "start": {
              "local": "1953-06-27T18:58:13+08:00",
              "utc": "1953-06-27T10:58:13Z",
              "ms": -521125306709.0697
            },
            "end": {
              "local": "1953-06-27T20:20:13+08:00",
              "utc": "1953-06-27T12:20:13Z",
              "ms": -521120387180.88824
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 12:57 on Fri 26 Jun to 11:29 on Sat 27 Jun.",
          "fact": "1953-06-26T04:56:41Z → 1953-06-27T03:29:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 26th, 18:58–20:20 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 82 of 82 minutes on the 26th and 0 of 82 on the 27th.",
          "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 21686 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 1953: Friday 26 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": "1953-06-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 1953 falls on Friday 26 June. Pūrṇimā runs from 12:57 on Fri 26 Jun to 11:29 on Sat 27 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-06-30",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-06-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17690,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-06-30T05:01:54+08:00",
          "utc": "1953-06-29T21:01:54Z",
          "ms": -520916286298.8097
        },
        "end": {
          "local": "1953-07-01T02:31:47+08:00",
          "utc": "1953-06-30T18:31:47Z",
          "ms": -520838892631.1463
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-06-30T05:01:54+08:00",
          "utc": "1953-06-29T21:01:54Z",
          "ms": -520916286298.8097
        },
        "end": {
          "local": "1953-07-01T02:31:47+08:00",
          "utc": "1953-06-30T18:31:47Z",
          "ms": -520838892631.1463
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-06-29",
          "window": {
            "start": {
              "local": "1953-06-29T20:56:20+08:00",
              "utc": "1953-06-29T12:56:20Z",
              "ms": -520945419697.8602
            },
            "end": {
              "local": "1953-06-29T20:56:20+08:00",
              "utc": "1953-06-29T12:56:20Z",
              "ms": -520945419697.8602
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-06-30",
          "window": {
            "start": {
              "local": "1953-06-30T21:36:58+08:00",
              "utc": "1953-06-30T13:36:58Z",
              "ms": -520856582165.799
            },
            "end": {
              "local": "1953-06-30T21:36:58+08:00",
              "utc": "1953-06-30T13:36:58Z",
              "ms": -520856582165.799
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:02 on Tue 30 Jun to 02:32 on Wed 1 Jul.",
          "fact": "1953-06-29T21:01:54Z → 1953-06-30T18:31:47Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:56 on the 29th and 21:37 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 29th and is on the 30th.",
          "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 17690 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Tuesday 30 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": "1953-06-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-06-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Tuesday 30 June. Caturthī runs from 05:02 on Tue 30 Jun to 02:32 on Wed 1 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-06-30",
      "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/1953/ekadashi?on=1953-07-07",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23962,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-07-06T13:19:04+08:00",
          "utc": "1953-07-06T05:19:04Z",
          "ms": -520368055513.0604
        },
        "end": {
          "local": "1953-07-07T11:55:48+08:00",
          "utc": "1953-07-07T03:55:48Z",
          "ms": -520286652181.67426
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-06T13:19:04+08:00",
          "utc": "1953-07-06T05:19:04Z",
          "ms": -520368055513.0604
        },
        "end": {
          "local": "1953-07-07T11:55:48+08:00",
          "utc": "1953-07-07T03:55:48Z",
          "ms": -520286652181.67426
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-07-06",
          "window": {
            "start": {
              "local": "1953-07-06T05:16:01+08:00",
              "utc": "1953-07-05T21:16:01Z",
              "ms": -520397038778.88214
            },
            "end": {
              "local": "1953-07-06T05:16:01+08:00",
              "utc": "1953-07-05T21:16:01Z",
              "ms": -520397038778.88214
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-07-07",
          "window": {
            "start": {
              "local": "1953-07-07T05:16:26+08:00",
              "utc": "1953-07-06T21:16:26Z",
              "ms": -520310614338.2333
            },
            "end": {
              "local": "1953-07-07T05:16:26+08:00",
              "utc": "1953-07-06T21:16:26Z",
              "ms": -520310614338.2333
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:19 on Mon 6 Jul to 11:56 on Tue 7 Jul.",
          "fact": "1953-07-06T05:19:04Z → 1953-07-07T03:55:48Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:16 on the 6th and 05:16 on the 7th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.",
          "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 23962 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Fuzhou, 1953: Tuesday 7 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": "1953-07-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yoginī Ekādaśī 1953 falls on Tuesday 7 July. Ekādaśī runs from 13:19 on Mon 6 Jul to 11:56 on Tue 7 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-07-07",
      "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/1953/pradosha-vrata?on=1953-07-08",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29041,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-07-08T10:54:14+08:00",
          "utc": "1953-07-08T02:54:14Z",
          "ms": -520203946126.48193
        },
        "end": {
          "local": "1953-07-09T10:17:19+08:00",
          "utc": "1953-07-09T02:17:19Z",
          "ms": -520119760713.8823
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-08T10:54:14+08:00",
          "utc": "1953-07-08T02:54:14Z",
          "ms": -520203946126.48193
        },
        "end": {
          "local": "1953-07-09T10:17:19+08:00",
          "utc": "1953-07-09T02:17:19Z",
          "ms": -520119760713.8823
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-07-08",
          "window": {
            "start": {
              "local": "1953-07-08T18:58:15+08:00",
              "utc": "1953-07-08T10:58:15Z",
              "ms": -520174905311.3429
            },
            "end": {
              "local": "1953-07-08T20:20:47+08:00",
              "utc": "1953-07-08T12:20:47Z",
              "ms": -520169953108.6514
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "1953-07-09",
          "window": {
            "start": {
              "local": "1953-07-09T18:58:07+08:00",
              "utc": "1953-07-09T10:58:07Z",
              "ms": -520088512615.09955
            },
            "end": {
              "local": "1953-07-09T20:20:44+08:00",
              "utc": "1953-07-09T12:20:44Z",
              "ms": -520083555966.8144
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:54 on Wed 8 Jul to 10:17 on Thu 9 Jul.",
          "fact": "1953-07-08T02:54:14Z → 1953-07-09T02:17:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:21 on the 8th, 18:58–20:21 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 83 of 83 minutes on the 8th and 0 of 83 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 29041 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Wednesday 8 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": "1953-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Wednesday 8 July. Trayodaśī runs from 10:54 on Wed 8 Jul to 10:17 on Thu 9 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-07-08",
      "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/1953/shivaratri?on=1953-07-09",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34557,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-07-09T10:17:19+08:00",
          "utc": "1953-07-09T02:17:19Z",
          "ms": -520119760713.8823
        },
        "end": {
          "local": "1953-07-10T10:07:51+08:00",
          "utc": "1953-07-10T02:07:51Z",
          "ms": -520033928521.87756
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-09T10:17:19+08:00",
          "utc": "1953-07-09T02:17:19Z",
          "ms": -520119760713.8823
        },
        "end": {
          "local": "1953-07-10T10:07:51+08:00",
          "utc": "1953-07-10T02:07:51Z",
          "ms": -520033928521.87756
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-07-08",
          "window": {
            "start": {
              "local": "1953-07-08T23:43:45+08:00",
              "utc": "1953-07-08T15:43:45Z",
              "ms": -520157774551.24994
            },
            "end": {
              "local": "1953-07-09T00:31:45+08:00",
              "utc": "1953-07-08T16:31:45Z",
              "ms": -520154894551.24994
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-07-09",
          "window": {
            "start": {
              "local": "1953-07-09T23:43:55+08:00",
              "utc": "1953-07-09T15:43:55Z",
              "ms": -520071365184.0303
            },
            "end": {
              "local": "1953-07-10T00:31:55+08:00",
              "utc": "1953-07-09T16:31:55Z",
              "ms": -520068485184.0303
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:17 on Thu 9 Jul to 10:08 on Fri 10 Jul.",
          "fact": "1953-07-09T02:17:19Z → 1953-07-10T02:07:51Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 8th, 23:44–00:32 on the 9th.",
          "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 8th and 48 of 48 on the 9th.",
          "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 34557 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Thursday 9 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": "1953-07-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Thursday 9 July. Caturdaśī runs from 10:17 on Thu 9 Jul to 10:08 on Fri 10 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-07-09",
      "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/1953/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 527,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1953-07-12T11:19:19+08:00",
          "utc": "1953-07-12T03:19:19Z",
          "ms": -519856840571.21643
        },
        "end": {
          "local": "1953-07-13T12:41:01+08:00",
          "utc": "1953-07-13T04:41:01Z",
          "ms": -519765538859.5968
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-12T11:19:19+08:00",
          "utc": "1953-07-12T03:19:19Z",
          "ms": -519856840571.21643
        },
        "end": {
          "local": "1953-07-13T12:41:01+08:00",
          "utc": "1953-07-13T04:41:01Z",
          "ms": -519765538859.5968
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-07-12",
          "window": {
            "start": {
              "local": "1953-07-12T11:44:07+08:00",
              "utc": "1953-07-12T03:44:07Z",
              "ms": -519855353293.59534
            },
            "end": {
              "local": "1953-07-12T12:32:07+08:00",
              "utc": "1953-07-12T04:32:07Z",
              "ms": -519852473293.59534
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-07-13",
          "window": {
            "start": {
              "local": "1953-07-13T11:44:14+08:00",
              "utc": "1953-07-13T03:44:14Z",
              "ms": -519768945873.71765
            },
            "end": {
              "local": "1953-07-13T12:32:14+08:00",
              "utc": "1953-07-13T04:32:14Z",
              "ms": -519766065873.71765
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 11:19 on Sun 12 Jul to 12:41 on Mon 13 Jul.",
          "fact": "1953-07-12T03:19:19Z → 1953-07-13T04:41:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 12th, 11:44–12:32 on the 13th.",
          "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 12th and 48 of 48 on the 13th.",
          "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 527 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Fuzhou, 1953: Monday 13 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": "1953-07-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rathayātrā 1953 falls on Monday 13 July. Dvitīyā runs from 11:19 on Sun 12 Jul to 12:41 on Mon 13 Jul and covers all 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/1953/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/1953/vinayaka-chaturthi?on=1953-07-15",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7081,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-07-14T14:30:22+08:00",
          "utc": "1953-07-14T06:30:22Z",
          "ms": -519672578219.8341
        },
        "end": {
          "local": "1953-07-15T16:41:37+08:00",
          "utc": "1953-07-15T08:41:37Z",
          "ms": -519578302793.19806
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-14T14:30:22+08:00",
          "utc": "1953-07-14T06:30:22Z",
          "ms": -519672578219.8341
        },
        "end": {
          "local": "1953-07-15T16:41:37+08:00",
          "utc": "1953-07-15T08:41:37Z",
          "ms": -519578302793.19806
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-07-14",
          "window": {
            "start": {
              "local": "1953-07-14T11:44:21+08:00",
              "utc": "1953-07-14T03:44:21Z",
              "ms": -519682538927.0587
            },
            "end": {
              "local": "1953-07-14T12:32:21+08:00",
              "utc": "1953-07-14T04:32:21Z",
              "ms": -519679658927.0587
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-07-15",
          "window": {
            "start": {
              "local": "1953-07-15T11:44:28+08:00",
              "utc": "1953-07-15T03:44:28Z",
              "ms": -519596132470.7079
            },
            "end": {
              "local": "1953-07-15T12:32:28+08:00",
              "utc": "1953-07-15T04:32:28Z",
              "ms": -519593252470.7079
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 14:30 on Tue 14 Jul to 16:42 on Wed 15 Jul.",
          "fact": "1953-07-14T06:30:22Z → 1953-07-15T08:41:37Z"
        },
        {
          "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": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7081 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Wednesday 15 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": "1953-07-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Wednesday 15 July. Caturthī runs from 14:30 on Tue 14 Jul to 16:42 on Wed 15 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-07-15",
      "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/1953/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14950,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1953-07-15T16:41:37+08:00",
          "utc": "1953-07-15T08:41:37Z",
          "ms": -519578302793.19806
        },
        "end": {
          "local": "1953-07-16T19:06:01+08:00",
          "utc": "1953-07-16T11:06:01Z",
          "ms": -519483238632.0992
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-15T16:41:37+08:00",
          "utc": "1953-07-15T08:41:37Z",
          "ms": -519578302793.19806
        },
        "end": {
          "local": "1953-07-16T19:06:01+08:00",
          "utc": "1953-07-16T11:06:01Z",
          "ms": -519483238632.0992
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-07-15",
          "window": {
            "start": {
              "local": "1953-07-15T11:44:28+08:00",
              "utc": "1953-07-15T03:44:28Z",
              "ms": -519596132470.7079
            },
            "end": {
              "local": "1953-07-15T12:32:28+08:00",
              "utc": "1953-07-15T04:32:28Z",
              "ms": -519593252470.7079
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-07-16",
          "window": {
            "start": {
              "local": "1953-07-16T11:44:33+08:00",
              "utc": "1953-07-16T03:44:33Z",
              "ms": -519509726520.46106
            },
            "end": {
              "local": "1953-07-16T12:32:33+08:00",
              "utc": "1953-07-16T04:32:33Z",
              "ms": -519506846520.46106
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 16:42 on Wed 15 Jul to 19:06 on Thu 16 Jul.",
          "fact": "1953-07-15T08:41:37Z → 1953-07-16T11:06:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 15th, 11:45–12:33 on the 16th.",
          "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 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: paraviddha → only-day · margin 14950 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Fuzhou, 1953: Thursday 16 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": "1953-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Pañcamī 1953 falls on Thursday 16 July. Pañcamī runs from 16:42 on Wed 15 Jul to 19:06 on Thu 16 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32376,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1953-07-17T21:32:15+08:00",
          "utc": "1953-07-17T13:32:15Z",
          "ms": -519388064891.32025
        },
        "end": {
          "local": "1953-07-18T23:47:36+08:00",
          "utc": "1953-07-18T15:47:36Z",
          "ms": -519293543974.9302
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-17T21:32:15+08:00",
          "utc": "1953-07-17T13:32:15Z",
          "ms": -519388064891.32025
        },
        "end": {
          "local": "1953-07-18T23:47:36+08:00",
          "utc": "1953-07-18T15:47:36Z",
          "ms": -519293543974.9302
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-07-17",
          "window": {
            "start": {
              "local": "1953-07-17T11:44:39+08:00",
              "utc": "1953-07-17T03:44:39Z",
              "ms": -519423321090.8209
            },
            "end": {
              "local": "1953-07-17T12:32:39+08:00",
              "utc": "1953-07-17T04:32:39Z",
              "ms": -519420441090.8209
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-07-18",
          "window": {
            "start": {
              "local": "1953-07-18T11:44:44+08:00",
              "utc": "1953-07-18T03:44:44Z",
              "ms": -519336916195.0127
            },
            "end": {
              "local": "1953-07-18T12:32:44+08:00",
              "utc": "1953-07-18T04:32:44Z",
              "ms": -519334036195.0127
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 21:32 on Fri 17 Jul to 23:48 on Sat 18 Jul.",
          "fact": "1953-07-17T13:32:15Z → 1953-07-18T15:47:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 17th, 11:45–12:33 on the 18th.",
          "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 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: purvaviddha → only-day · margin 32376 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Fuzhou, 1953: Saturday 18 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": "1953-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vivasvat Saptamī 1953 falls on Saturday 18 July. Saptamī runs from 21:32 on Fri 17 Jul to 23:48 on Sat 18 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-07-22",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6499,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-07-22T03:35:03+08:00",
          "utc": "1953-07-21T19:35:03Z",
          "ms": -519020697161.0418
        },
        "end": {
          "local": "1953-07-23T03:27:47+08:00",
          "utc": "1953-07-22T19:27:47Z",
          "ms": -518934732981.1748
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-22T03:35:03+08:00",
          "utc": "1953-07-21T19:35:03Z",
          "ms": -519020697161.0418
        },
        "end": {
          "local": "1953-07-23T03:27:47+08:00",
          "utc": "1953-07-22T19:27:47Z",
          "ms": -518934732981.1748
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-07-22",
          "window": {
            "start": {
              "local": "1953-07-22T05:23:22+08:00",
              "utc": "1953-07-21T21:23:22Z",
              "ms": -519014198208.4064
            },
            "end": {
              "local": "1953-07-22T05:23:22+08:00",
              "utc": "1953-07-21T21:23:22Z",
              "ms": -519014198208.4064
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-07-23",
          "window": {
            "start": {
              "local": "1953-07-23T05:23:51+08:00",
              "utc": "1953-07-22T21:23:51Z",
              "ms": -518927768534.3575
            },
            "end": {
              "local": "1953-07-23T05:23:51+08:00",
              "utc": "1953-07-22T21:23:51Z",
              "ms": -518927768534.3575
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:35 on Wed 22 Jul to 03:28 on Thu 23 Jul.",
          "fact": "1953-07-21T19:35:03Z → 1953-07-22T19:27:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:23 on the 22nd and 05:24 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 6499 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Fuzhou, 1953: Wednesday 22 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": "1953-07-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hariśayanī Ekādaśī 1953 falls on Wednesday 22 July. Ekādaśī runs from 03:35 on Wed 22 Jul to 03:28 on Thu 23 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-07-22",
      "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/1953/pradosha-vrata?on=1953-07-24",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17167,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-07-24T02:36:19+08:00",
          "utc": "1953-07-23T18:36:19Z",
          "ms": -518851421195.3238
        },
        "end": {
          "local": "1953-07-25T01:03:58+08:00",
          "utc": "1953-07-24T17:03:58Z",
          "ms": -518770562124.5495
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-24T02:36:19+08:00",
          "utc": "1953-07-23T18:36:19Z",
          "ms": -518851421195.3238
        },
        "end": {
          "local": "1953-07-25T01:03:58+08:00",
          "utc": "1953-07-24T17:03:58Z",
          "ms": -518770562124.5495
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-07-23",
          "window": {
            "start": {
              "local": "1953-07-23T18:54:08+08:00",
              "utc": "1953-07-23T10:54:08Z",
              "ms": -518879151657.6847
            },
            "end": {
              "local": "1953-07-23T20:18:10+08:00",
              "utc": "1953-07-23T12:18:10Z",
              "ms": -518874109938.4904
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "1953-07-24",
          "window": {
            "start": {
              "local": "1953-07-24T18:53:42+08:00",
              "utc": "1953-07-24T10:53:42Z",
              "ms": -518792778451.4458
            },
            "end": {
              "local": "1953-07-24T20:17:51+08:00",
              "utc": "1953-07-24T12:17:51Z",
              "ms": -518787729180.04224
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:36 on Fri 24 Jul to 01:04 on Sat 25 Jul.",
          "fact": "1953-07-23T18:36:19Z → 1953-07-24T17:03:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:18 on the 23rd, 18:54–20:18 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 84 minutes on the 23rd and 84 of 84 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 17167 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Friday 24 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": "1953-07-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Friday 24 July. Trayodaśī runs from 02:36 on Fri 24 Jul to 01:04 on Sat 25 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-07-24",
      "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/1953/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23340,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-07-25T22:56:21+08:00",
          "utc": "1953-07-25T14:56:21Z",
          "ms": -518691819100.9338
        },
        "end": {
          "local": "1953-07-26T20:20:35+08:00",
          "utc": "1953-07-26T12:20:35Z",
          "ms": -518614764987.57916
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-25T22:56:21+08:00",
          "utc": "1953-07-25T14:56:21Z",
          "ms": -518691819100.9338
        },
        "end": {
          "local": "1953-07-26T20:20:35+08:00",
          "utc": "1953-07-26T12:20:35Z",
          "ms": -518614764987.57916
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "1953-07-26",
          "window": {
            "start": {
              "local": "1953-07-26T05:25:21+08:00",
              "utc": "1953-07-25T21:25:21Z",
              "ms": -518668479008.48
            },
            "end": {
              "local": "1953-07-26T08:06:50+08:00",
              "utc": "1953-07-26T00:06:50Z",
              "ms": -518658790364.5518
            }
          },
          "covered_min": 161,
          "window_min": 161,
          "qualifies": true
        },
        {
          "local_date": "1953-07-27",
          "window": {
            "start": {
              "local": "1953-07-27T05:25:51+08:00",
              "utc": "1953-07-26T21:25:51Z",
              "ms": -518582049057.07794
            },
            "end": {
              "local": "1953-07-27T08:07:07+08:00",
              "utc": "1953-07-27T00:07:07Z",
              "ms": -518572372506.462
            }
          },
          "covered_min": 0,
          "window_min": 161,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul.",
          "fact": "1953-07-25T14:56:21Z → 1953-07-26T12:20:35Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:25–08:07 on the 26th, 05:26–08:07 on the 27th.",
          "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 161 of 161 minutes on the 26th and 0 of 161 on the 27th.",
          "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 23340 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Fuzhou, 1953: Sunday 26 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": "1953-07-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vyāsa Pūjā 1953 falls on Sunday 26 July. Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28052,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-07-25T22:56:21+08:00",
          "utc": "1953-07-25T14:56:21Z",
          "ms": -518691819100.9338
        },
        "end": {
          "local": "1953-07-26T20:20:35+08:00",
          "utc": "1953-07-26T12:20:35Z",
          "ms": -518614764987.57916
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-25T22:56:21+08:00",
          "utc": "1953-07-25T14:56:21Z",
          "ms": -518691819100.9338
        },
        "end": {
          "local": "1953-07-26T20:20:35+08:00",
          "utc": "1953-07-26T12:20:35Z",
          "ms": -518614764987.57916
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-07-25",
          "window": {
            "start": {
              "local": "1953-07-25T11:45:02+08:00",
              "utc": "1953-07-25T03:45:02Z",
              "ms": -518732097707.83325
            },
            "end": {
              "local": "1953-07-25T12:33:02+08:00",
              "utc": "1953-07-25T04:33:02Z",
              "ms": -518729217707.83325
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-07-26",
          "window": {
            "start": {
              "local": "1953-07-26T11:45:03+08:00",
              "utc": "1953-07-26T03:45:03Z",
              "ms": -518645697398.65955
            },
            "end": {
              "local": "1953-07-26T12:33:03+08:00",
              "utc": "1953-07-26T04:33:03Z",
              "ms": -518642817398.65955
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul.",
          "fact": "1953-07-25T14:56:21Z → 1953-07-26T12:20:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:45–12:33 on the 26th.",
          "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 25th and 48 of 48 on the 26th.",
          "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 28052 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Fuzhou, 1953: Sunday 26 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": "1953-07-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Guru Pūrṇimā 1953 falls on Sunday 26 July. Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5271,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-07-25T22:56:21+08:00",
          "utc": "1953-07-25T14:56:21Z",
          "ms": -518691819100.9338
        },
        "end": {
          "local": "1953-07-26T20:20:35+08:00",
          "utc": "1953-07-26T12:20:35Z",
          "ms": -518614764987.57916
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-25T22:56:21+08:00",
          "utc": "1953-07-25T14:56:21Z",
          "ms": -518691819100.9338
        },
        "end": {
          "local": "1953-07-26T20:20:35+08:00",
          "utc": "1953-07-26T12:20:35Z",
          "ms": -518614764987.57916
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1953-07-25",
          "window": {
            "start": {
              "local": "1953-07-25T16:11:33+08:00",
              "utc": "1953-07-25T08:11:33Z",
              "ms": -518716106982.98175
            },
            "end": {
              "local": "1953-07-25T18:53:14+08:00",
              "utc": "1953-07-25T10:53:14Z",
              "ms": -518706406499.7474
            }
          },
          "covered_min": 0,
          "window_min": 162,
          "qualifies": false
        },
        {
          "local_date": "1953-07-26",
          "window": {
            "start": {
              "local": "1953-07-26T16:11:16+08:00",
              "utc": "1953-07-26T08:11:16Z",
              "ms": -518629724432.7673
            },
            "end": {
              "local": "1953-07-26T18:52:44+08:00",
              "utc": "1953-07-26T10:52:44Z",
              "ms": -518620035788.8391
            }
          },
          "covered_min": 161,
          "window_min": 161,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul.",
          "fact": "1953-07-25T14:56:21Z → 1953-07-26T12:20:35Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:12–18:53 on the 25th, 16:11–18:53 on the 26th.",
          "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 162 minutes on the 25th and 161 of 161 on the 26th.",
          "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 5271 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Fuzhou, 1953: Sunday 26 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": "1953-07-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kokilā Vrata 1953 falls on Sunday 26 July. Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 206,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-07-25T22:56:21+08:00",
          "utc": "1953-07-25T14:56:21Z",
          "ms": -518691819100.9338
        },
        "end": {
          "local": "1953-07-26T20:20:35+08:00",
          "utc": "1953-07-26T12:20:35Z",
          "ms": -518614764987.57916
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-25T22:56:21+08:00",
          "utc": "1953-07-25T14:56:21Z",
          "ms": -518691819100.9338
        },
        "end": {
          "local": "1953-07-26T20:20:35+08:00",
          "utc": "1953-07-26T12:20:35Z",
          "ms": -518614764987.57916
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-07-25",
          "window": {
            "start": {
              "local": "1953-07-25T18:53:14+08:00",
              "utc": "1953-07-25T10:53:14Z",
              "ms": -518706406499.7474
            },
            "end": {
              "local": "1953-07-25T20:17:30+08:00",
              "utc": "1953-07-25T12:17:30Z",
              "ms": -518701349500.91174
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "1953-07-26",
          "window": {
            "start": {
              "local": "1953-07-26T18:52:44+08:00",
              "utc": "1953-07-26T10:52:44Z",
              "ms": -518620035788.8391
            },
            "end": {
              "local": "1953-07-26T20:17:09+08:00",
              "utc": "1953-07-26T12:17:09Z",
              "ms": -518614970891.27094
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul.",
          "fact": "1953-07-25T14:56:21Z → 1953-07-26T12:20:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:18 on the 25th, 18:53–20:17 on the 26th.",
          "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 84 minutes on the 25th and 84 of 84 on the 26th.",
          "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 206 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Fuzhou, 1953: Sunday 26 July.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1953-07-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śiva Śayanotsava 1953 falls on Sunday 26 July. Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul and covers all of pradoṣa that evening. It is 3 min 26 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7645,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1953-07-27T17:24:39+08:00",
          "utc": "1953-07-27T09:24:39Z",
          "ms": -518538921247.4224
        },
        "end": {
          "local": "1953-07-28T14:16:52+08:00",
          "utc": "1953-07-28T06:16:52Z",
          "ms": -518463788273.90454
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-27T17:24:39+08:00",
          "utc": "1953-07-27T09:24:39Z",
          "ms": -518538921247.4224
        },
        "end": {
          "local": "1953-07-28T14:16:52+08:00",
          "utc": "1953-07-28T06:16:52Z",
          "ms": -518463788273.90454
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-07-27",
          "window": {
            "start": {
              "local": "1953-07-27T19:32:04+08:00",
              "utc": "1953-07-27T11:32:04Z",
              "ms": -518531275971.5395
            },
            "end": {
              "local": "1953-07-27T19:32:04+08:00",
              "utc": "1953-07-27T11:32:04Z",
              "ms": -518531275971.5395
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-07-28",
          "window": {
            "start": {
              "local": "1953-07-28T20:11:50+08:00",
              "utc": "1953-07-28T12:11:50Z",
              "ms": -518442490363.5891
            },
            "end": {
              "local": "1953-07-28T20:11:50+08:00",
              "utc": "1953-07-28T12:11:50Z",
              "ms": -518442490363.5891
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 17:25 on Mon 27 Jul to 14:17 on Tue 28 Jul.",
          "fact": "1953-07-27T09:24:39Z → 1953-07-28T06:16:52Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:32 on the 27th and 20:12 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.",
          "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 7645 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 1953: Monday 27 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": "1953-07-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 1953 falls on Monday 27 July. Dvitīyā runs from 17:25 on Mon 27 Jul to 14:17 on Tue 28 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-07-29",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-07-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35022,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-07-29T11:05:31+08:00",
          "utc": "1953-07-29T03:05:31Z",
          "ms": -518388868576.25806
        },
        "end": {
          "local": "1953-07-30T07:58:35+08:00",
          "utc": "1953-07-29T23:58:35Z",
          "ms": -518313685387.79266
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-07-29T11:05:31+08:00",
          "utc": "1953-07-29T03:05:31Z",
          "ms": -518388868576.25806
        },
        "end": {
          "local": "1953-07-30T07:58:35+08:00",
          "utc": "1953-07-29T23:58:35Z",
          "ms": -518313685387.79266
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-07-29",
          "window": {
            "start": {
              "local": "1953-07-29T20:49:14+08:00",
              "utc": "1953-07-29T12:49:14Z",
              "ms": -518353846404.98114
            },
            "end": {
              "local": "1953-07-29T20:49:14+08:00",
              "utc": "1953-07-29T12:49:14Z",
              "ms": -518353846404.98114
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-07-30",
          "window": {
            "start": {
              "local": "1953-07-30T21:25:51+08:00",
              "utc": "1953-07-30T13:25:51Z",
              "ms": -518265248738.451
            },
            "end": {
              "local": "1953-07-30T21:25:51+08:00",
              "utc": "1953-07-30T13:25:51Z",
              "ms": -518265248738.451
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:06 on Wed 29 Jul to 07:59 on Thu 30 Jul.",
          "fact": "1953-07-29T03:05:31Z → 1953-07-29T23:58:35Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:49 on the 29th and 21:26 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.",
          "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 35022 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Wednesday 29 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": "1953-07-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-07-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Wednesday 29 July. Caturthī runs from 11:06 on Wed 29 Jul to 07:59 on Thu 30 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-07-29",
      "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/1953/ekadashi?on=1953-08-05",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32607,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-08-04T20:26:53+08:00",
          "utc": "1953-08-04T12:26:53Z",
          "ms": -517836786981.65814
        },
        "end": {
          "local": "1953-08-05T20:14:10+08:00",
          "utc": "1953-08-05T12:14:10Z",
          "ms": -517751149793.61005
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-04T20:26:53+08:00",
          "utc": "1953-08-04T12:26:53Z",
          "ms": -517836786981.65814
        },
        "end": {
          "local": "1953-08-05T20:14:10+08:00",
          "utc": "1953-08-05T12:14:10Z",
          "ms": -517751149793.61005
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-08-05",
          "window": {
            "start": {
              "local": "1953-08-05T05:30:20+08:00",
              "utc": "1953-08-04T21:30:20Z",
              "ms": -517804179683.5792
            },
            "end": {
              "local": "1953-08-05T05:30:20+08:00",
              "utc": "1953-08-04T21:30:20Z",
              "ms": -517804179683.5792
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-08-06",
          "window": {
            "start": {
              "local": "1953-08-06T05:30:50+08:00",
              "utc": "1953-08-05T21:30:50Z",
              "ms": -517717750027.9162
            },
            "end": {
              "local": "1953-08-06T05:30:50+08:00",
              "utc": "1953-08-05T21:30:50Z",
              "ms": -517717750027.9162
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:27 on Tue 4 Aug to 20:14 on Wed 5 Aug.",
          "fact": "1953-08-04T12:26:53Z → 1953-08-05T12:14:10Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:30 on the 5th and 05:31 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 32607 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Fuzhou, 1953: Wednesday 5 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": "1953-08-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmikā Ekādaśī 1953 falls on Wednesday 5 August. Ekādaśī runs from 20:27 on Tue 4 Aug to 20:14 on Wed 5 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-08-05",
      "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/1953/pradosha-vrata?on=1953-08-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1195,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-08-06T20:32:01+08:00",
          "utc": "1953-08-06T12:32:01Z",
          "ms": -517663678722.48175
        },
        "end": {
          "local": "1953-08-07T21:18:47+08:00",
          "utc": "1953-08-07T13:18:47Z",
          "ms": -517574473068.685
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-06T20:32:01+08:00",
          "utc": "1953-08-06T12:32:01Z",
          "ms": -517663678722.48175
        },
        "end": {
          "local": "1953-08-07T21:18:47+08:00",
          "utc": "1953-08-07T13:18:47Z",
          "ms": -517574473068.685
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-08-06",
          "window": {
            "start": {
              "local": "1953-08-06T18:46:05+08:00",
              "utc": "1953-08-06T10:46:05Z",
              "ms": -517670035356.5261
            },
            "end": {
              "local": "1953-08-06T20:12:07+08:00",
              "utc": "1953-08-06T12:12:07Z",
              "ms": -517664873373.3067
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        },
        {
          "local_date": "1953-08-07",
          "window": {
            "start": {
              "local": "1953-08-07T18:45:22+08:00",
              "utc": "1953-08-07T10:45:22Z",
              "ms": -517583678296.9343
            },
            "end": {
              "local": "1953-08-07T20:11:33+08:00",
              "utc": "1953-08-07T12:11:33Z",
              "ms": -517578506665.55286
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:32 on Thu 6 Aug to 21:19 on Fri 7 Aug.",
          "fact": "1953-08-06T12:32:01Z → 1953-08-07T13:18:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:12 on the 6th, 18:45–20:12 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 86 minutes on the 6th and 86 of 86 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 1195 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Friday 7 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": "1953-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-07",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Friday 7 August. Trayodaśī runs from 20:32 on Thu 6 Aug to 21:19 on Fri 7 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-08-07",
      "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/1953/shivaratri?on=1953-08-07",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4330,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-08-07T21:18:47+08:00",
          "utc": "1953-08-07T13:18:47Z",
          "ms": -517574473068.685
        },
        "end": {
          "local": "1953-08-08T22:32:18+08:00",
          "utc": "1953-08-08T14:32:18Z",
          "ms": -517483662342.2539
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-07T21:18:47+08:00",
          "utc": "1953-08-07T13:18:47Z",
          "ms": -517574473068.685
        },
        "end": {
          "local": "1953-08-08T22:32:18+08:00",
          "utc": "1953-08-08T14:32:18Z",
          "ms": -517483662342.2539
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-08-07",
          "window": {
            "start": {
              "local": "1953-08-07T23:44:35+08:00",
              "utc": "1953-08-07T15:44:35Z",
              "ms": -517565724679.2537
            },
            "end": {
              "local": "1953-08-08T00:32:35+08:00",
              "utc": "1953-08-07T16:32:35Z",
              "ms": -517562844679.2537
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-08-08",
          "window": {
            "start": {
              "local": "1953-08-08T23:44:28+08:00",
              "utc": "1953-08-08T15:44:28Z",
              "ms": -517479332025.11414
            },
            "end": {
              "local": "1953-08-09T00:32:28+08:00",
              "utc": "1953-08-08T16:32:28Z",
              "ms": -517476452025.11414
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:19 on Fri 7 Aug to 22:32 on Sat 8 Aug.",
          "fact": "1953-08-07T13:18:47Z → 1953-08-08T14:32:18Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 7th, 23:44–00:32 on the 8th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4330 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Friday 7 August.",
          "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": "1953-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Friday 7 August. Caturdaśī runs from 21:19 on Fri 7 Aug to 22:32 on Sat 8 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-08-07",
      "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/1953/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17651,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1953-08-12T04:23:25+08:00",
          "utc": "1953-08-11T20:23:25Z",
          "ms": -517203394518.1555
        },
        "end": {
          "local": "1953-08-13T06:49:17+08:00",
          "utc": "1953-08-12T22:49:17Z",
          "ms": -517108242862.8946
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-12T04:23:25+08:00",
          "utc": "1953-08-11T20:23:25Z",
          "ms": -517203394518.1555
        },
        "end": {
          "local": "1953-08-13T06:49:17+08:00",
          "utc": "1953-08-12T22:49:17Z",
          "ms": -517108242862.8946
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-08-12",
          "window": {
            "start": {
              "local": "1953-08-12T11:43:38+08:00",
              "utc": "1953-08-12T03:43:38Z",
              "ms": -517176981526.7001
            },
            "end": {
              "local": "1953-08-12T12:31:38+08:00",
              "utc": "1953-08-12T04:31:38Z",
              "ms": -517174101526.7001
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-08-13",
          "window": {
            "start": {
              "local": "1953-08-13T11:43:28+08:00",
              "utc": "1953-08-13T03:43:28Z",
              "ms": -517090591663.6947
            },
            "end": {
              "local": "1953-08-13T12:31:28+08:00",
              "utc": "1953-08-13T04:31:28Z",
              "ms": -517087711663.6947
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 04:23 on Wed 12 Aug to 06:49 on Thu 13 Aug.",
          "fact": "1953-08-11T20:23:25Z → 1953-08-12T22:49:17Z"
        },
        {
          "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": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 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: paraviddha → only-day · margin 17651 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Fuzhou, 1953: Wednesday 12 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": "1953-08-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 1953 falls on Wednesday 12 August. Tṛtīyā runs from 04:23 on Wed 12 Aug to 06:49 on Thu 13 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vinayaka-chaturthi?on=1953-08-13",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8685,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-08-13T06:49:17+08:00",
          "utc": "1953-08-12T22:49:17Z",
          "ms": -517108242862.8946
        },
        "end": {
          "local": "1953-08-14T09:18:32+08:00",
          "utc": "1953-08-14T01:18:32Z",
          "ms": -517012887690.89484
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-13T06:49:17+08:00",
          "utc": "1953-08-12T22:49:17Z",
          "ms": -517108242862.8946
        },
        "end": {
          "local": "1953-08-14T09:18:32+08:00",
          "utc": "1953-08-14T01:18:32Z",
          "ms": -517012887690.89484
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-08-13",
          "window": {
            "start": {
              "local": "1953-08-13T11:43:28+08:00",
              "utc": "1953-08-13T03:43:28Z",
              "ms": -517090591663.6947
            },
            "end": {
              "local": "1953-08-13T12:31:28+08:00",
              "utc": "1953-08-13T04:31:28Z",
              "ms": -517087711663.6947
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-08-14",
          "window": {
            "start": {
              "local": "1953-08-14T11:43:18+08:00",
              "utc": "1953-08-14T03:43:18Z",
              "ms": -517004202359.5714
            },
            "end": {
              "local": "1953-08-14T12:31:18+08:00",
              "utc": "1953-08-14T04:31:18Z",
              "ms": -517001322359.5714
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:49 on Thu 13 Aug to 09:19 on Fri 14 Aug.",
          "fact": "1953-08-12T22:49:17Z → 1953-08-14T01:18:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 13th, 11:43–12:31 on the 14th.",
          "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 13th and 0 of 48 on the 14th.",
          "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 8685 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Thursday 13 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": "1953-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Thursday 13 August. Caturthī runs from 06:49 on Thu 13 Aug to 09:19 on Fri 14 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-08-13",
      "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/1953/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-14",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 64,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1953-08-14T09:18:32+08:00",
          "utc": "1953-08-14T01:18:32Z",
          "ms": -517012887690.89484
        },
        "end": {
          "local": "1953-08-15T11:42:03+08:00",
          "utc": "1953-08-15T03:42:03Z",
          "ms": -516917877258.05554
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-14T09:18:32+08:00",
          "utc": "1953-08-14T01:18:32Z",
          "ms": -517012887690.89484
        },
        "end": {
          "local": "1953-08-15T11:42:03+08:00",
          "utc": "1953-08-15T03:42:03Z",
          "ms": -516917877258.05554
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-08-14",
          "window": {
            "start": {
              "local": "1953-08-14T11:43:18+08:00",
              "utc": "1953-08-14T03:43:18Z",
              "ms": -517004202359.5714
            },
            "end": {
              "local": "1953-08-14T12:31:18+08:00",
              "utc": "1953-08-14T04:31:18Z",
              "ms": -517001322359.5714
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-08-15",
          "window": {
            "start": {
              "local": "1953-08-15T11:43:06+08:00",
              "utc": "1953-08-15T03:43:06Z",
              "ms": -516917813607.73706
            },
            "end": {
              "local": "1953-08-15T12:31:06+08:00",
              "utc": "1953-08-15T04:31:06Z",
              "ms": -516914933607.73706
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 09:19 on Fri 14 Aug to 11:42 on Sat 15 Aug.",
          "fact": "1953-08-14T01:18:32Z → 1953-08-15T03:42:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 14th, 11:43–12:31 on the 15th.",
          "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 14th and 0 of 48 on the 15th.",
          "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 64 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Fuzhou, 1953: Friday 14 August.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1953-08-14",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī 1953 falls on Friday 14 August. Pañcamī runs from 09:19 on Fri 14 Aug to 11:42 on Sat 15 Aug and covers all of madhyāhna that midday. It is 1 min 04 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-08-21",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35067,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-08-20T16:33:36+08:00",
          "utc": "1953-08-20T08:33:36Z",
          "ms": -516468384405.70984
        },
        "end": {
          "local": "1953-08-21T15:22:22+08:00",
          "utc": "1953-08-21T07:22:22Z",
          "ms": -516386257956.4792
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-20T16:33:36+08:00",
          "utc": "1953-08-20T08:33:36Z",
          "ms": -516468384405.70984
        },
        "end": {
          "local": "1953-08-21T15:22:22+08:00",
          "utc": "1953-08-21T07:22:22Z",
          "ms": -516386257956.4792
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-08-20",
          "window": {
            "start": {
              "local": "1953-08-20T05:37:28+08:00",
              "utc": "1953-08-19T21:37:28Z",
              "ms": -516507751660.70874
            },
            "end": {
              "local": "1953-08-20T05:37:28+08:00",
              "utc": "1953-08-19T21:37:28Z",
              "ms": -516507751660.70874
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-08-21",
          "window": {
            "start": {
              "local": "1953-08-21T05:37:55+08:00",
              "utc": "1953-08-20T21:37:55Z",
              "ms": -516421324705.6635
            },
            "end": {
              "local": "1953-08-21T05:37:55+08:00",
              "utc": "1953-08-20T21:37:55Z",
              "ms": -516421324705.6635
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:34 on Thu 20 Aug to 15:22 on Fri 21 Aug.",
          "fact": "1953-08-20T08:33:36Z → 1953-08-21T07:22:22Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:37 on the 20th and 05:38 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 35067 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 1953: Friday 21 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": "1953-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 1953 falls on Friday 21 August. Ekādaśī runs from 16:34 on Thu 20 Aug to 15:22 on Fri 21 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-08-21",
      "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/1953/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3449,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1953-08-21T15:22:22+08:00",
          "utc": "1953-08-21T07:22:22Z",
          "ms": -516386257956.4792
        },
        "end": {
          "local": "1953-08-22T13:27:02+08:00",
          "utc": "1953-08-22T05:27:02Z",
          "ms": -516306777907.0629
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-21T15:22:22+08:00",
          "utc": "1953-08-21T07:22:22Z",
          "ms": -516386257956.4792
        },
        "end": {
          "local": "1953-08-22T13:27:02+08:00",
          "utc": "1953-08-22T05:27:02Z",
          "ms": -516306777907.0629
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-08-21",
          "window": {
            "start": {
              "local": "1953-08-21T11:41:48+08:00",
              "utc": "1953-08-21T03:41:48Z",
              "ms": -516399492205.6302
            },
            "end": {
              "local": "1953-08-21T12:29:48+08:00",
              "utc": "1953-08-21T04:29:48Z",
              "ms": -516396612205.6302
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-08-22",
          "window": {
            "start": {
              "local": "1953-08-22T11:41:33+08:00",
              "utc": "1953-08-22T03:41:33Z",
              "ms": -516313107053.7948
            },
            "end": {
              "local": "1953-08-22T12:29:33+08:00",
              "utc": "1953-08-22T04:29:33Z",
              "ms": -516310227053.7948
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 15:22 on Fri 21 Aug to 13:27 on Sat 22 Aug.",
          "fact": "1953-08-21T07:22:22Z → 1953-08-22T05:27:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 21st, 11:42–12:30 on the 22nd.",
          "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 21st and 48 of 48 on the 22nd.",
          "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 3449 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Fuzhou, 1953: Saturday 22 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": "1953-08-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Dāmodara Dvādaśī 1953 falls on Saturday 22 August. Dvādaśī runs from 15:22 on Fri 21 Aug to 13:27 on Sat 22 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/pradosha-vrata?on=1953-08-22",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18342,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-08-22T13:27:02+08:00",
          "utc": "1953-08-22T05:27:02Z",
          "ms": -516306777907.0629
        },
        "end": {
          "local": "1953-08-23T10:53:05+08:00",
          "utc": "1953-08-23T02:53:05Z",
          "ms": -516229614620.929
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-22T13:27:02+08:00",
          "utc": "1953-08-22T05:27:02Z",
          "ms": -516306777907.0629
        },
        "end": {
          "local": "1953-08-23T10:53:05+08:00",
          "utc": "1953-08-23T02:53:05Z",
          "ms": -516229614620.929
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-08-22",
          "window": {
            "start": {
              "local": "1953-08-22T18:32:44+08:00",
              "utc": "1953-08-22T10:32:44Z",
              "ms": -516288436146.1071
            },
            "end": {
              "local": "1953-08-22T20:01:32+08:00",
              "utc": "1953-08-22T12:01:32Z",
              "ms": -516283107516.44037
            }
          },
          "covered_min": 89,
          "window_min": 89,
          "qualifies": true
        },
        {
          "local_date": "1953-08-23",
          "window": {
            "start": {
              "local": "1953-08-23T18:31:47+08:00",
              "utc": "1953-08-23T10:31:47Z",
              "ms": -516202093306.584
            },
            "end": {
              "local": "1953-08-23T20:00:46+08:00",
              "utc": "1953-08-23T12:00:46Z",
              "ms": -516196753543.7607
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:27 on Sat 22 Aug to 10:53 on Sun 23 Aug.",
          "fact": "1953-08-22T05:27:02Z → 1953-08-23T02:53:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:33–20:02 on the 22nd, 18:32–20:01 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 89 of 89 minutes on the 22nd and 0 of 89 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 18342 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Saturday 22 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": "1953-08-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Saturday 22 August. Trayodaśī runs from 13:27 on Sat 22 Aug to 10:53 on Sun 23 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-08-22",
      "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/1953/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4739,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-08-24T07:48:01+08:00",
          "utc": "1953-08-23T23:48:01Z",
          "ms": -516154318674.0286
        },
        "end": {
          "local": "1953-08-25T04:20:42+08:00",
          "utc": "1953-08-24T20:20:42Z",
          "ms": -516080358337.08954
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "1953-08-24T18:06:33+08:00",
          "utc": "1953-08-24T10:06:33Z",
          "ms": -516117207087.6922
        },
        "end": {
          "local": "1953-08-25T04:20:42+08:00",
          "utc": "1953-08-24T20:20:42Z",
          "ms": -516080358337.08954
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "1953-08-24",
          "window": {
            "start": {
              "local": "1953-08-24T05:39:15+08:00",
              "utc": "1953-08-23T21:39:15Z",
              "ms": -516162045085.409
            },
            "end": {
              "local": "1953-08-25T05:39:41+08:00",
              "utc": "1953-08-24T21:39:41Z",
              "ms": -516075618938.2321
            }
          },
          "covered_min": 614,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "1953-08-25",
          "window": {
            "start": {
              "local": "1953-08-25T05:39:41+08:00",
              "utc": "1953-08-24T21:39:41Z",
              "ms": -516075618938.2321
            },
            "end": {
              "local": "1953-08-26T05:40:07+08:00",
              "utc": "1953-08-25T21:40:07Z",
              "ms": -515989192971.74335
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 07:48 on Mon 24 Aug to 04:21 on Tue 25 Aug. Its second half begins at 18:07 on Mon 24 Aug.",
          "fact": "1953-08-23T23:48:01Z → 1953-08-24T20:20:42Z · second half from 1953-08-24T10:06:33Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:39 on the 24th, and from 05:40 on the 25th.",
          "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 614 of 1440 minutes on the 24th and 0 of 1440 on the 25th.",
          "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 4739 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Fuzhou, 1953: Monday 24 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": "1953-08-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 1953 falls on Monday 24 August. The second half of Pūrṇimā runs from 18:07 on Mon 24 Aug to 04:21 on Tue 25 Aug and lies within that day, sunrise to sunrise.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13981,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-08-24T07:48:01+08:00",
          "utc": "1953-08-23T23:48:01Z",
          "ms": -516154318674.0286
        },
        "end": {
          "local": "1953-08-25T04:20:42+08:00",
          "utc": "1953-08-24T20:20:42Z",
          "ms": -516080358337.08954
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-24T07:48:01+08:00",
          "utc": "1953-08-23T23:48:01Z",
          "ms": -516154318674.0286
        },
        "end": {
          "local": "1953-08-25T04:20:42+08:00",
          "utc": "1953-08-24T20:20:42Z",
          "ms": -516080358337.08954
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-08-24",
          "window": {
            "start": {
              "local": "1953-08-24T11:41:02+08:00",
              "utc": "1953-08-24T03:41:02Z",
              "ms": -516140338122.8932
            },
            "end": {
              "local": "1953-08-24T12:29:02+08:00",
              "utc": "1953-08-24T04:29:02Z",
              "ms": -516137458122.8932
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-08-25",
          "window": {
            "start": {
              "local": "1953-08-25T11:40:46+08:00",
              "utc": "1953-08-25T03:40:46Z",
              "ms": -516053954309.2643
            },
            "end": {
              "local": "1953-08-25T12:28:46+08:00",
              "utc": "1953-08-25T04:28:46Z",
              "ms": -516051074309.2643
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 07:48 on Mon 24 Aug to 04:21 on Tue 25 Aug.",
          "fact": "1953-08-23T23:48:01Z → 1953-08-24T20:20:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 24th, 11:41–12:29 on the 25th.",
          "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 24th and 0 of 48 on the 25th.",
          "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 13981 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Fuzhou, 1953: Monday 24 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": "1953-08-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Tarpaṇa 1953 falls on Monday 24 August. Pūrṇimā runs from 07:48 on Mon 24 Aug to 04:21 on Tue 25 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5812,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1953-08-26T00:40:48+08:00",
          "utc": "1953-08-25T16:40:48Z",
          "ms": -516007151530.4462
        },
        "end": {
          "local": "1953-08-26T20:58:28+08:00",
          "utc": "1953-08-26T12:58:28Z",
          "ms": -515934092409.9725
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-26T00:40:48+08:00",
          "utc": "1953-08-25T16:40:48Z",
          "ms": -516007151530.4462
        },
        "end": {
          "local": "1953-08-26T20:58:28+08:00",
          "utc": "1953-08-26T12:58:28Z",
          "ms": -515934092409.9725
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-08-25",
          "window": {
            "start": {
              "local": "1953-08-25T18:43:33+08:00",
              "utc": "1953-08-25T10:43:33Z",
              "ms": -516028587101.30786
            },
            "end": {
              "local": "1953-08-25T18:43:33+08:00",
              "utc": "1953-08-25T10:43:33Z",
              "ms": -516028587101.30786
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-08-26",
          "window": {
            "start": {
              "local": "1953-08-26T19:21:36+08:00",
              "utc": "1953-08-26T11:21:36Z",
              "ms": -515939904409.3319
            },
            "end": {
              "local": "1953-08-26T19:21:36+08:00",
              "utc": "1953-08-26T11:21:36Z",
              "ms": -515939904409.3319
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 00:41 on Wed 26 Aug to 20:58 on Wed 26 Aug.",
          "fact": "1953-08-25T16:40:48Z → 1953-08-26T12:58:28Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:44 on the 25th and 19:22 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 25th and is on the 26th.",
          "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 5812 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Fuzhou, 1953: Wednesday 26 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": "1953-08-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata 1953 falls on Wednesday 26 August. Dvitīyā runs from 00:41 on Wed 26 Aug to 20:58 on Wed 26 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17733,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1953-08-26T20:58:28+08:00",
          "utc": "1953-08-26T12:58:28Z",
          "ms": -515934092409.9725
        },
        "end": {
          "local": "1953-08-27T17:23:45+08:00",
          "utc": "1953-08-27T09:23:45Z",
          "ms": -515860574975.93
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-26T20:58:28+08:00",
          "utc": "1953-08-26T12:58:28Z",
          "ms": -515934092409.9725
        },
        "end": {
          "local": "1953-08-27T17:23:45+08:00",
          "utc": "1953-08-27T09:23:45Z",
          "ms": -515860574975.93
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-08-26",
          "window": {
            "start": {
              "local": "1953-08-26T11:40:29+08:00",
              "utc": "1953-08-26T03:40:29Z",
              "ms": -515967570905.26526
            },
            "end": {
              "local": "1953-08-26T12:28:29+08:00",
              "utc": "1953-08-26T04:28:29Z",
              "ms": -515964690905.26526
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-08-27",
          "window": {
            "start": {
              "local": "1953-08-27T11:40:12+08:00",
              "utc": "1953-08-27T03:40:12Z",
              "ms": -515881187891.3789
            },
            "end": {
              "local": "1953-08-27T12:28:12+08:00",
              "utc": "1953-08-27T04:28:12Z",
              "ms": -515878307891.3789
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 20:58 on Wed 26 Aug to 17:24 on Thu 27 Aug.",
          "fact": "1953-08-26T12:58:28Z → 1953-08-27T09:23:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 26th, 11:40–12:28 on the 27th.",
          "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 26th and 48 of 48 on the 27th.",
          "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 17733 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Fuzhou, 1953: Thursday 27 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": "1953-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 1953 falls on Thursday 27 August. Tṛtīyā runs from 20:58 on Wed 26 Aug to 17:24 on Thu 27 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3846,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-08-27T17:23:45+08:00",
          "utc": "1953-08-27T09:23:45Z",
          "ms": -515860574975.93
        },
        "end": {
          "local": "1953-08-28T14:06:23+08:00",
          "utc": "1953-08-28T06:06:23Z",
          "ms": -515786016905.67474
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-27T17:23:45+08:00",
          "utc": "1953-08-27T09:23:45Z",
          "ms": -515860574975.93
        },
        "end": {
          "local": "1953-08-28T14:06:23+08:00",
          "utc": "1953-08-28T06:06:23Z",
          "ms": -515786016905.67474
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1953-08-27",
          "window": {
            "start": {
              "local": "1953-08-27T15:54:24+08:00",
              "utc": "1953-08-27T07:54:24Z",
              "ms": -515865936321.43744
            },
            "end": {
              "local": "1953-08-27T18:27:51+08:00",
              "utc": "1953-08-27T10:27:51Z",
              "ms": -515856728608.1431
            }
          },
          "covered_min": 64,
          "window_min": 153,
          "qualifies": true
        },
        {
          "local_date": "1953-08-28",
          "window": {
            "start": {
              "local": "1953-08-28T15:53:41+08:00",
              "utc": "1953-08-28T07:53:41Z",
              "ms": -515779579475.66876
            },
            "end": {
              "local": "1953-08-28T18:26:51+08:00",
              "utc": "1953-08-28T10:26:51Z",
              "ms": -515770388960.74146
            }
          },
          "covered_min": 0,
          "window_min": 153,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:24 on Thu 27 Aug to 14:06 on Fri 28 Aug.",
          "fact": "1953-08-27T09:23:45Z → 1953-08-28T06:06:23Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:54–18:28 on the 27th, 15:54–18:27 on the 28th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 64 of 153 minutes on the 27th and 0 of 153 on the 28th.",
          "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 3846 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Fuzhou, 1953: Thursday 27 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": "1953-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bahulā Caturthī 1953 falls on Thursday 27 August. Caturthī runs from 17:24 on Thu 27 Aug to 14:06 on Fri 28 Aug and covers 64 of 153 minutes of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-08-27",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9372,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-08-27T17:23:45+08:00",
          "utc": "1953-08-27T09:23:45Z",
          "ms": -515860574975.93
        },
        "end": {
          "local": "1953-08-28T14:06:23+08:00",
          "utc": "1953-08-28T06:06:23Z",
          "ms": -515786016905.67474
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-27T17:23:45+08:00",
          "utc": "1953-08-27T09:23:45Z",
          "ms": -515860574975.93
        },
        "end": {
          "local": "1953-08-28T14:06:23+08:00",
          "utc": "1953-08-28T06:06:23Z",
          "ms": -515786016905.67474
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-08-27",
          "window": {
            "start": {
              "local": "1953-08-27T19:59:57+08:00",
              "utc": "1953-08-27T11:59:57Z",
              "ms": -515851203475.70526
            },
            "end": {
              "local": "1953-08-27T19:59:57+08:00",
              "utc": "1953-08-27T11:59:57Z",
              "ms": -515851203475.70526
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-08-28",
          "window": {
            "start": {
              "local": "1953-08-28T20:40:07+08:00",
              "utc": "1953-08-28T12:40:07Z",
              "ms": -515762393300.00726
            },
            "end": {
              "local": "1953-08-28T20:40:07+08:00",
              "utc": "1953-08-28T12:40:07Z",
              "ms": -515762393300.00726
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:24 on Thu 27 Aug to 14:06 on Fri 28 Aug.",
          "fact": "1953-08-27T09:23:45Z → 1953-08-28T06:06:23Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:00 on the 27th and 20:40 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.",
          "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 9372 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Thursday 27 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": "1953-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Thursday 27 August. Caturthī runs from 17:24 on Thu 27 Aug to 14:06 on Fri 28 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-08-27",
      "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/1953/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1463,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1953-08-29T11:15:14+08:00",
          "utc": "1953-08-29T03:15:14Z",
          "ms": -515709886416.689
        },
        "end": {
          "local": "1953-08-30T08:57:47+08:00",
          "utc": "1953-08-30T00:57:47Z",
          "ms": -515631733371.61566
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-29T11:15:14+08:00",
          "utc": "1953-08-29T03:15:14Z",
          "ms": -515709886416.689
        },
        "end": {
          "local": "1953-08-30T08:57:47+08:00",
          "utc": "1953-08-30T00:57:47Z",
          "ms": -515631733371.61566
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-08-29",
          "window": {
            "start": {
              "local": "1953-08-29T11:39:37+08:00",
              "utc": "1953-08-29T03:39:37Z",
              "ms": -515708422956.23413
            },
            "end": {
              "local": "1953-08-29T12:27:37+08:00",
              "utc": "1953-08-29T04:27:37Z",
              "ms": -515705542956.23413
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-08-30",
          "window": {
            "start": {
              "local": "1953-08-30T11:39:19+08:00",
              "utc": "1953-08-30T03:39:19Z",
              "ms": -515622040997.6307
            },
            "end": {
              "local": "1953-08-30T12:27:19+08:00",
              "utc": "1953-08-30T04:27:19Z",
              "ms": -515619160997.6307
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 11:15 on Sat 29 Aug to 08:58 on Sun 30 Aug.",
          "fact": "1953-08-29T03:15:14Z → 1953-08-30T00:57:47Z"
        },
        {
          "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": "Ṣaṣṭhī 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: paraviddha → only-day · margin 1463 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Fuzhou, 1953: Saturday 29 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": "1953-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hala Ṣaṣṭhī 1953 falls on Saturday 29 August. Ṣaṣṭhī runs from 11:15 on Sat 29 Aug to 08:58 on Sun 30 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9692,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1953-08-30T08:57:47+08:00",
          "utc": "1953-08-30T00:57:47Z",
          "ms": -515631733371.61566
        },
        "end": {
          "local": "1953-08-31T07:19:37+08:00",
          "utc": "1953-08-30T23:19:37Z",
          "ms": -515551222975.29645
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-30T08:57:47+08:00",
          "utc": "1953-08-30T00:57:47Z",
          "ms": -515631733371.61566
        },
        "end": {
          "local": "1953-08-31T07:19:37+08:00",
          "utc": "1953-08-30T23:19:37Z",
          "ms": -515551222975.29645
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-08-30",
          "window": {
            "start": {
              "local": "1953-08-30T11:39:19+08:00",
              "utc": "1953-08-30T03:39:19Z",
              "ms": -515622040997.6307
            },
            "end": {
              "local": "1953-08-30T12:27:19+08:00",
              "utc": "1953-08-30T04:27:19Z",
              "ms": -515619160997.6307
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-08-31",
          "window": {
            "start": {
              "local": "1953-08-31T11:39:01+08:00",
              "utc": "1953-08-31T03:39:01Z",
              "ms": -515535659354.883
            },
            "end": {
              "local": "1953-08-31T12:27:01+08:00",
              "utc": "1953-08-31T04:27:01Z",
              "ms": -515532779354.883
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 08:58 on Sun 30 Aug to 07:20 on Mon 31 Aug.",
          "fact": "1953-08-30T00:57:47Z → 1953-08-30T23:19:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 30th, 11:39–12:27 on the 31st.",
          "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 30th and 0 of 48 on the 31st.",
          "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 9692 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Fuzhou, 1953: Sunday 30 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": "1953-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śītalā Saptamī 1953 falls on Sunday 30 August. Saptamī runs from 08:58 on Sun 30 Aug to 07:20 on Mon 31 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-08-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21400,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-08-31T07:19:37+08:00",
          "utc": "1953-08-30T23:19:37Z",
          "ms": -515551222975.29645
        },
        "end": {
          "local": "1953-09-01T06:23:53+08:00",
          "utc": "1953-08-31T22:23:53Z",
          "ms": -515468166639.49524
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-08-31T07:19:37+08:00",
          "utc": "1953-08-30T23:19:37Z",
          "ms": -515551222975.29645
        },
        "end": {
          "local": "1953-09-01T06:23:53+08:00",
          "utc": "1953-08-31T22:23:53Z",
          "ms": -515468166639.49524
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-08-30",
          "window": {
            "start": {
              "local": "1953-08-30T23:39:32+08:00",
              "utc": "1953-08-30T15:39:32Z",
              "ms": -515578828384.52905
            },
            "end": {
              "local": "1953-08-31T00:27:32+08:00",
              "utc": "1953-08-30T16:27:32Z",
              "ms": -515575948384.52905
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-08-31",
          "window": {
            "start": {
              "local": "1953-08-31T23:39:13+08:00",
              "utc": "1953-08-31T15:39:13Z",
              "ms": -515492446802.3279
            },
            "end": {
              "local": "1953-09-01T00:27:13+08:00",
              "utc": "1953-08-31T16:27:13Z",
              "ms": -515489566802.3279
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 07:20 on Mon 31 Aug to 06:24 on Tue 1 Sep.",
          "fact": "1953-08-30T23:19:37Z → 1953-08-31T22:23:53Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 30th, 23:39–00:27 on the 31st.",
          "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 30th and 48 of 48 on the 31st.",
          "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 21400 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Fuzhou, 1953: Monday 31 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": "1953-08-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-08-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Janmāṣṭamī 1953 falls on Monday 31 August. Aṣṭamī runs from 07:20 on Mon 31 Aug to 06:24 on Tue 1 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-09-04",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3303,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-09-03T06:38:32+08:00",
          "utc": "1953-09-02T22:38:32Z",
          "ms": -515294487796.6845
        },
        "end": {
          "local": "1953-09-04T07:41:56+08:00",
          "utc": "1953-09-03T23:41:56Z",
          "ms": -515204284207.07666
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-03T06:38:32+08:00",
          "utc": "1953-09-02T22:38:32Z",
          "ms": -515294487796.6845
        },
        "end": {
          "local": "1953-09-04T07:41:56+08:00",
          "utc": "1953-09-03T23:41:56Z",
          "ms": -515204284207.07666
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-09-03",
          "window": {
            "start": {
              "local": "1953-09-03T05:43:30+08:00",
              "utc": "1953-09-02T21:43:30Z",
              "ms": -515297790482.67523
            },
            "end": {
              "local": "1953-09-03T05:43:30+08:00",
              "utc": "1953-09-02T21:43:30Z",
              "ms": -515297790482.67523
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-09-04",
          "window": {
            "start": {
              "local": "1953-09-04T05:43:54+08:00",
              "utc": "1953-09-03T21:43:54Z",
              "ms": -515211365700.5136
            },
            "end": {
              "local": "1953-09-04T05:43:54+08:00",
              "utc": "1953-09-03T21:43:54Z",
              "ms": -515211365700.5136
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:39 on Thu 3 Sep to 07:42 on Fri 4 Sep.",
          "fact": "1953-09-02T22:38:32Z → 1953-09-03T23:41:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:43 on the 3rd and 05:44 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.",
          "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 3303 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Fuzhou, 1953: Friday 4 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": "1953-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ajā Ekādaśī 1953 falls on Friday 4 September. Ekādaśī runs from 06:39 on Thu 3 Sep to 07:42 on Fri 4 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-09-04",
      "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/1953/pradosha-vrata?on=1953-09-05",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25573,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-09-05T09:15:03+08:00",
          "utc": "1953-09-05T01:15:03Z",
          "ms": -515112297450.53296
        },
        "end": {
          "local": "1953-09-06T11:11:12+08:00",
          "utc": "1953-09-06T03:11:12Z",
          "ms": -515018927512.9977
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-05T09:15:03+08:00",
          "utc": "1953-09-05T01:15:03Z",
          "ms": -515112297450.53296
        },
        "end": {
          "local": "1953-09-06T11:11:12+08:00",
          "utc": "1953-09-06T03:11:12Z",
          "ms": -515018927512.9977
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-09-05",
          "window": {
            "start": {
              "local": "1953-09-05T18:18:30+08:00",
              "utc": "1953-09-05T10:18:30Z",
              "ms": -515079689622.77167
            },
            "end": {
              "local": "1953-09-05T19:50:00+08:00",
              "utc": "1953-09-05T11:50:00Z",
              "ms": -515074199861.57544
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        },
        {
          "local_date": "1953-09-06",
          "window": {
            "start": {
              "local": "1953-09-06T18:17:26+08:00",
              "utc": "1953-09-06T10:17:26Z",
              "ms": -514993354063.18097
            },
            "end": {
              "local": "1953-09-06T19:49:08+08:00",
              "utc": "1953-09-06T11:49:08Z",
              "ms": -514987852440.85376
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:15 on Sat 5 Sep to 11:11 on Sun 6 Sep.",
          "fact": "1953-09-05T01:15:03Z → 1953-09-06T03:11:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:50 on the 5th, 18:17–19:49 on the 6th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 5th and 0 of 92 on the 6th.",
          "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 25573 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Saturday 5 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": "1953-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Saturday 5 September. Trayodaśī runs from 09:15 on Sat 5 Sep to 11:11 on Sun 6 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-09-05",
      "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/1953/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17542,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-09-06T11:11:12+08:00",
          "utc": "1953-09-06T03:11:12Z",
          "ms": -515018927512.9977
        },
        "end": {
          "local": "1953-09-07T13:23:59+08:00",
          "utc": "1953-09-07T05:23:59Z",
          "ms": -514924560918.36896
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-06T11:11:12+08:00",
          "utc": "1953-09-06T03:11:12Z",
          "ms": -515018927512.9977
        },
        "end": {
          "local": "1953-09-07T13:23:59+08:00",
          "utc": "1953-09-07T05:23:59Z",
          "ms": -514924560918.36896
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-09-06",
          "window": {
            "start": {
              "local": "1953-09-06T18:17:26+08:00",
              "utc": "1953-09-06T10:17:26Z",
              "ms": -514993354063.18097
            },
            "end": {
              "local": "1953-09-06T19:49:08+08:00",
              "utc": "1953-09-06T11:49:08Z",
              "ms": -514987852440.85376
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "1953-09-07",
          "window": {
            "start": {
              "local": "1953-09-07T18:16:21+08:00",
              "utc": "1953-09-07T10:16:21Z",
              "ms": -514907018836.7975
            },
            "end": {
              "local": "1953-09-07T19:48:15+08:00",
              "utc": "1953-09-07T11:48:15Z",
              "ms": -514901505318.78485
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:11 on Sun 6 Sep to 13:24 on Mon 7 Sep.",
          "fact": "1953-09-06T03:11:12Z → 1953-09-07T05:23:59Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:49 on the 6th, 18:16–19:48 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 6th and 0 of 92 on the 7th.",
          "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 17542 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Fuzhou, 1953: Sunday 6 September.",
          "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": "1953-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aghora Caturdaśī 1953 falls on Sunday 6 September. Caturdaśī runs from 11:11 on Sun 6 Sep to 13:24 on Mon 7 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/shivaratri?on=1953-09-06",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36778,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-09-06T11:11:12+08:00",
          "utc": "1953-09-06T03:11:12Z",
          "ms": -515018927512.9977
        },
        "end": {
          "local": "1953-09-07T13:23:59+08:00",
          "utc": "1953-09-07T05:23:59Z",
          "ms": -514924560918.36896
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-06T11:11:12+08:00",
          "utc": "1953-09-06T03:11:12Z",
          "ms": -515018927512.9977
        },
        "end": {
          "local": "1953-09-07T13:23:59+08:00",
          "utc": "1953-09-07T05:23:59Z",
          "ms": -514924560918.36896
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-09-06",
          "window": {
            "start": {
              "local": "1953-09-06T23:37:17+08:00",
              "utc": "1953-09-06T15:37:17Z",
              "ms": -514974162979.45386
            },
            "end": {
              "local": "1953-09-07T00:25:17+08:00",
              "utc": "1953-09-06T16:25:17Z",
              "ms": -514971282979.45386
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-09-07",
          "window": {
            "start": {
              "local": "1953-09-07T23:36:57+08:00",
              "utc": "1953-09-07T15:36:57Z",
              "ms": -514887783144.25
            },
            "end": {
              "local": "1953-09-08T00:24:57+08:00",
              "utc": "1953-09-07T16:24:57Z",
              "ms": -514884903144.25
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:11 on Sun 6 Sep to 13:24 on Mon 7 Sep.",
          "fact": "1953-09-06T03:11:12Z → 1953-09-07T05:23:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 6th, 23:37–00:25 on the 7th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36778 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Sunday 6 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": "1953-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Sunday 6 September. Caturdaśī runs from 11:11 on Sun 6 Sep to 13:24 on Mon 7 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-09-06",
      "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/1953/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12189,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1953-09-08T15:47:33+08:00",
          "utc": "1953-09-08T07:47:33Z",
          "ms": -514829546946.06396
        },
        "end": {
          "local": "1953-09-09T18:16:39+08:00",
          "utc": "1953-09-09T10:16:39Z",
          "ms": -514734200787
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-08T15:47:33+08:00",
          "utc": "1953-09-08T07:47:33Z",
          "ms": -514829546946.06396
        },
        "end": {
          "local": "1953-09-09T18:16:39+08:00",
          "utc": "1953-09-09T10:16:39Z",
          "ms": -514734200787
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-09-08",
          "window": {
            "start": {
              "local": "1953-09-08T11:36:24+08:00",
              "utc": "1953-09-08T03:36:24Z",
              "ms": -514844615685.9083
            },
            "end": {
              "local": "1953-09-08T12:24:24+08:00",
              "utc": "1953-09-08T04:24:24Z",
              "ms": -514841735685.9083
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-09-09",
          "window": {
            "start": {
              "local": "1953-09-09T11:36:04+08:00",
              "utc": "1953-09-09T03:36:04Z",
              "ms": -514758236181.8721
            },
            "end": {
              "local": "1953-09-09T12:24:04+08:00",
              "utc": "1953-09-09T04:24:04Z",
              "ms": -514755356181.8721
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 15:48 on Tue 8 Sep to 18:17 on Wed 9 Sep.",
          "fact": "1953-09-08T07:47:33Z → 1953-09-09T10:16:39Z"
        },
        {
          "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": "Pratipadā 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: purvaviddha → only-day · margin 12189 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Fuzhou, 1953: Wednesday 9 September.",
          "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": "1953-09-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rudra Vrata 1953 falls on Wednesday 9 September. Pratipadā runs from 15:48 on Tue 8 Sep to 18:17 on Wed 9 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30149,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1953-09-10T20:46:12+08:00",
          "utc": "1953-09-10T12:46:12Z",
          "ms": -514638828236.6932
        },
        "end": {
          "local": "1953-09-11T23:10:40+08:00",
          "utc": "1953-09-11T15:10:40Z",
          "ms": -514543759648.1326
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-10T20:46:12+08:00",
          "utc": "1953-09-10T12:46:12Z",
          "ms": -514638828236.6932
        },
        "end": {
          "local": "1953-09-11T23:10:40+08:00",
          "utc": "1953-09-11T15:10:40Z",
          "ms": -514543759648.1326
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-09-10",
          "window": {
            "start": {
              "local": "1953-09-10T11:35:43+08:00",
              "utc": "1953-09-10T03:35:43Z",
              "ms": -514671856838.3307
            },
            "end": {
              "local": "1953-09-10T12:23:43+08:00",
              "utc": "1953-09-10T04:23:43Z",
              "ms": -514668976838.3307
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-09-11",
          "window": {
            "start": {
              "local": "1953-09-11T11:35:22+08:00",
              "utc": "1953-09-11T03:35:22Z",
              "ms": -514585477638.91394
            },
            "end": {
              "local": "1953-09-11T12:23:22+08:00",
              "utc": "1953-09-11T04:23:22Z",
              "ms": -514582597638.91394
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 20:46 on Thu 10 Sep to 23:11 on Fri 11 Sep.",
          "fact": "1953-09-10T12:46:12Z → 1953-09-11T15:10:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 10th, 11:35–12:23 on the 11th.",
          "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 10th and 48 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: paraviddha → only-day · margin 30149 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Fuzhou, 1953: Friday 11 September.",
          "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": "1953-09-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 1953 falls on Friday 11 September. Tṛtīyā runs from 20:46 on Thu 10 Sep to 23:11 on Fri 11 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36658,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-09-11T23:10:40+08:00",
          "utc": "1953-09-11T15:10:40Z",
          "ms": -514543759648.1326
        },
        "end": {
          "local": "1953-09-13T01:23:42+08:00",
          "utc": "1953-09-12T17:23:42Z",
          "ms": -514449377762.00806
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-11T23:10:40+08:00",
          "utc": "1953-09-11T15:10:40Z",
          "ms": -514543759648.1326
        },
        "end": {
          "local": "1953-09-13T01:23:42+08:00",
          "utc": "1953-09-12T17:23:42Z",
          "ms": -514449377762.00806
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-09-12",
          "window": {
            "start": {
              "local": "1953-09-12T11:35:01+08:00",
              "utc": "1953-09-12T03:35:01Z",
              "ms": -514499098567.91675
            },
            "end": {
              "local": "1953-09-12T12:23:01+08:00",
              "utc": "1953-09-12T04:23:01Z",
              "ms": -514496218567.91675
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-09-13",
          "window": {
            "start": {
              "local": "1953-09-13T11:34:40+08:00",
              "utc": "1953-09-13T03:34:40Z",
              "ms": -514412719607.7698
            },
            "end": {
              "local": "1953-09-13T12:22:40+08:00",
              "utc": "1953-09-13T04:22:40Z",
              "ms": -514409839607.7698
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:11 on Fri 11 Sep to 01:24 on Sun 13 Sep.",
          "fact": "1953-09-11T15:10:40Z → 1953-09-12T17:23:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 12th, 11:35–12:23 on the 13th.",
          "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 12th and 0 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: purvaviddha → only-day · margin 36658 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Fuzhou, 1953: Saturday 12 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": "1953-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Caturthī 1953 falls on Saturday 12 September. Caturthī runs from 23:11 on Fri 11 Sep to 01:24 on Sun 13 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29784,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1953-09-13T01:23:42+08:00",
          "utc": "1953-09-12T17:23:42Z",
          "ms": -514449377762.00806
        },
        "end": {
          "local": "1953-09-14T03:17:55+08:00",
          "utc": "1953-09-13T19:17:55Z",
          "ms": -514356124995.84283
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-13T01:23:42+08:00",
          "utc": "1953-09-12T17:23:42Z",
          "ms": -514449377762.00806
        },
        "end": {
          "local": "1953-09-14T03:17:55+08:00",
          "utc": "1953-09-13T19:17:55Z",
          "ms": -514356124995.84283
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-09-13",
          "window": {
            "start": {
              "local": "1953-09-13T11:34:40+08:00",
              "utc": "1953-09-13T03:34:40Z",
              "ms": -514412719607.7698
            },
            "end": {
              "local": "1953-09-13T12:22:40+08:00",
              "utc": "1953-09-13T04:22:40Z",
              "ms": -514409839607.7698
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-09-14",
          "window": {
            "start": {
              "local": "1953-09-14T11:34:19+08:00",
              "utc": "1953-09-14T03:34:19Z",
              "ms": -514326340741.5117
            },
            "end": {
              "local": "1953-09-14T12:22:19+08:00",
              "utc": "1953-09-14T04:22:19Z",
              "ms": -514323460741.5117
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 01:24 on Sun 13 Sep to 03:18 on Mon 14 Sep.",
          "fact": "1953-09-12T17:23:42Z → 1953-09-13T19:17:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 13th, 11:34–12:22 on the 14th.",
          "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 13th and 0 of 48 on the 14th.",
          "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 29784 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Fuzhou, 1953: Sunday 13 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": "1953-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Pañcamī 1953 falls on Sunday 13 September. Pañcamī runs from 01:24 on Sun 13 Sep to 03:18 on Mon 14 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24519,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1953-09-14T03:17:55+08:00",
          "utc": "1953-09-13T19:17:55Z",
          "ms": -514356124995.84283
        },
        "end": {
          "local": "1953-09-15T04:45:19+08:00",
          "utc": "1953-09-14T20:45:19Z",
          "ms": -514264481426.5279
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-14T03:17:55+08:00",
          "utc": "1953-09-13T19:17:55Z",
          "ms": -514356124995.84283
        },
        "end": {
          "local": "1953-09-15T04:45:19+08:00",
          "utc": "1953-09-14T20:45:19Z",
          "ms": -514264481426.5279
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-09-14",
          "window": {
            "start": {
              "local": "1953-09-14T11:34:19+08:00",
              "utc": "1953-09-14T03:34:19Z",
              "ms": -514326340741.5117
            },
            "end": {
              "local": "1953-09-14T12:22:19+08:00",
              "utc": "1953-09-14T04:22:19Z",
              "ms": -514323460741.5117
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-09-15",
          "window": {
            "start": {
              "local": "1953-09-15T11:33:58+08:00",
              "utc": "1953-09-15T03:33:58Z",
              "ms": -514239961951.50684
            },
            "end": {
              "local": "1953-09-15T12:21:58+08:00",
              "utc": "1953-09-15T04:21:58Z",
              "ms": -514237081951.50684
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 03:18 on Mon 14 Sep to 04:45 on Tue 15 Sep.",
          "fact": "1953-09-13T19:17:55Z → 1953-09-14T20:45:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 14th, 11:34–12:22 on the 15th.",
          "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 14th and 0 of 48 on the 15th.",
          "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 24519 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 1953: Monday 14 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": "1953-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 1953 falls on Monday 14 September. Ṣaṣṭhī runs from 03:18 on Mon 14 Sep to 04:45 on Tue 15 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21332,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1953-09-15T04:45:19+08:00",
          "utc": "1953-09-14T20:45:19Z",
          "ms": -514264481426.5279
        },
        "end": {
          "local": "1953-09-16T05:38:05+08:00",
          "utc": "1953-09-15T21:38:05Z",
          "ms": -514174914809.6069
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-15T04:45:19+08:00",
          "utc": "1953-09-14T20:45:19Z",
          "ms": -514264481426.5279
        },
        "end": {
          "local": "1953-09-16T05:38:05+08:00",
          "utc": "1953-09-15T21:38:05Z",
          "ms": -514174914809.6069
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-09-15",
          "window": {
            "start": {
              "local": "1953-09-15T11:33:58+08:00",
              "utc": "1953-09-15T03:33:58Z",
              "ms": -514239961951.50684
            },
            "end": {
              "local": "1953-09-15T12:21:58+08:00",
              "utc": "1953-09-15T04:21:58Z",
              "ms": -514237081951.50684
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-09-16",
          "window": {
            "start": {
              "local": "1953-09-16T11:33:37+08:00",
              "utc": "1953-09-16T03:33:37Z",
              "ms": -514153583219.6396
            },
            "end": {
              "local": "1953-09-16T12:21:37+08:00",
              "utc": "1953-09-16T04:21:37Z",
              "ms": -514150703219.6396
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 04:45 on Tue 15 Sep to 05:38 on Wed 16 Sep.",
          "fact": "1953-09-14T20:45:19Z → 1953-09-15T21:38:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 15th, 11:34–12:22 on the 16th.",
          "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 15th and 0 of 48 on the 16th.",
          "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 21332 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Fuzhou, 1953: Tuesday 15 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": "1953-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Muktābharaṇa Vrata 1953 falls on Tuesday 15 September. Saptamī runs from 04:45 on Tue 15 Sep to 05:38 on Wed 16 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20611,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-09-16T05:38:05+08:00",
          "utc": "1953-09-15T21:38:05Z",
          "ms": -514174914809.6069
        },
        "end": {
          "local": "1953-09-17T05:49:45+08:00",
          "utc": "1953-09-16T21:49:45Z",
          "ms": -514087815329.747
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-16T05:38:05+08:00",
          "utc": "1953-09-15T21:38:05Z",
          "ms": -514174914809.6069
        },
        "end": {
          "local": "1953-09-17T05:49:45+08:00",
          "utc": "1953-09-16T21:49:45Z",
          "ms": -514087815329.747
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-09-16",
          "window": {
            "start": {
              "local": "1953-09-16T11:33:37+08:00",
              "utc": "1953-09-16T03:33:37Z",
              "ms": -514153583219.6396
            },
            "end": {
              "local": "1953-09-16T12:21:37+08:00",
              "utc": "1953-09-16T04:21:37Z",
              "ms": -514150703219.6396
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-09-17",
          "window": {
            "start": {
              "local": "1953-09-17T11:33:15+08:00",
              "utc": "1953-09-17T03:33:15Z",
              "ms": -514067204527.23
            },
            "end": {
              "local": "1953-09-17T12:21:15+08:00",
              "utc": "1953-09-17T04:21:15Z",
              "ms": -514064324527.23
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 05:38 on Wed 16 Sep to 05:50 on Thu 17 Sep.",
          "fact": "1953-09-15T21:38:05Z → 1953-09-16T21:49:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 16th, 11:33–12:21 on the 17th.",
          "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 16th and 0 of 48 on the 17th.",
          "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 20611 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Fuzhou, 1953: Wednesday 16 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": "1953-09-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rādhāṣṭamī 1953 falls on Wednesday 16 September. Aṣṭamī runs from 05:38 on Wed 16 Sep to 05:50 on Thu 17 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-09-19",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6844,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-09-19T03:55:55+08:00",
          "utc": "1953-09-18T19:55:55Z",
          "ms": -513921845431.09375
        },
        "end": {
          "local": "1953-09-20T01:51:08+08:00",
          "utc": "1953-09-19T17:51:08Z",
          "ms": -513842931953.60297
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-19T03:55:55+08:00",
          "utc": "1953-09-18T19:55:55Z",
          "ms": -513921845431.09375
        },
        "end": {
          "local": "1953-09-20T01:51:08+08:00",
          "utc": "1953-09-19T17:51:08Z",
          "ms": -513842931953.60297
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-09-19",
          "window": {
            "start": {
              "local": "1953-09-19T05:49:59+08:00",
              "utc": "1953-09-18T21:49:59Z",
              "ms": -513915000959.6316
            },
            "end": {
              "local": "1953-09-19T05:49:59+08:00",
              "utc": "1953-09-18T21:49:59Z",
              "ms": -513915000959.6316
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-09-20",
          "window": {
            "start": {
              "local": "1953-09-20T05:50:23+08:00",
              "utc": "1953-09-19T21:50:23Z",
              "ms": -513828576673.27606
            },
            "end": {
              "local": "1953-09-20T05:50:23+08:00",
              "utc": "1953-09-19T21:50:23Z",
              "ms": -513828576673.27606
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:56 on Sat 19 Sep to 01:51 on Sun 20 Sep.",
          "fact": "1953-09-18T19:55:55Z → 1953-09-19T17:51:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:50 on the 19th and 05:50 on the 20th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.",
          "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 6844 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Fuzhou, 1953: Saturday 19 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": "1953-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Parivartanī Ekādaśī 1953 falls on Saturday 19 September. Ekādaśī runs from 03:56 on Sat 19 Sep to 01:51 on Sun 20 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-09-19",
      "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/1953/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34863,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1953-09-20T01:51:08+08:00",
          "utc": "1953-09-19T17:51:08Z",
          "ms": -513842931953.60297
        },
        "end": {
          "local": "1953-09-20T23:06:37+08:00",
          "utc": "1953-09-20T15:06:37Z",
          "ms": -513766403244.69727
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-20T01:51:08+08:00",
          "utc": "1953-09-19T17:51:08Z",
          "ms": -513842931953.60297
        },
        "end": {
          "local": "1953-09-20T23:06:37+08:00",
          "utc": "1953-09-20T15:06:37Z",
          "ms": -513766403244.69727
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-09-20",
          "window": {
            "start": {
              "local": "1953-09-20T11:32:12+08:00",
              "utc": "1953-09-20T03:32:12Z",
              "ms": -513808068488.69904
            },
            "end": {
              "local": "1953-09-20T12:20:12+08:00",
              "utc": "1953-09-20T04:20:12Z",
              "ms": -513805188488.69904
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-09-21",
          "window": {
            "start": {
              "local": "1953-09-21T11:31:50+08:00",
              "utc": "1953-09-21T03:31:50Z",
              "ms": -513721689751.2019
            },
            "end": {
              "local": "1953-09-21T12:19:50+08:00",
              "utc": "1953-09-21T04:19:50Z",
              "ms": -513718809751.2019
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 01:51 on Sun 20 Sep to 23:07 on Sun 20 Sep.",
          "fact": "1953-09-19T17:51:08Z → 1953-09-20T15:06:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 20th, 11:32–12:20 on the 21st.",
          "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 20th and 0 of 48 on the 21st.",
          "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 34863 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Fuzhou, 1953: Sunday 20 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": "1953-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vāmana Jayantī 1953 falls on Sunday 20 September. Dvādaśī runs from 01:51 on Sun 20 Sep to 23:07 on Sun 20 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/pradosha-vrata?on=1953-09-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 841,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-09-20T23:06:37+08:00",
          "utc": "1953-09-20T15:06:37Z",
          "ms": -513766403244.69727
        },
        "end": {
          "local": "1953-09-21T19:49:36+08:00",
          "utc": "1953-09-21T11:49:36Z",
          "ms": -513691824064.69476
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-20T23:06:37+08:00",
          "utc": "1953-09-20T15:06:37Z",
          "ms": -513766403244.69727
        },
        "end": {
          "local": "1953-09-21T19:49:36+08:00",
          "utc": "1953-09-21T11:49:36Z",
          "ms": -513691824064.69476
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-09-20",
          "window": {
            "start": {
              "local": "1953-09-20T18:02:00+08:00",
              "utc": "1953-09-20T10:02:00Z",
              "ms": -513784680304.122
            },
            "end": {
              "local": "1953-09-20T19:36:30+08:00",
              "utc": "1953-09-20T11:36:30Z",
              "ms": -513779009906.0387
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        },
        {
          "local_date": "1953-09-21",
          "window": {
            "start": {
              "local": "1953-09-21T18:00:53+08:00",
              "utc": "1953-09-21T10:00:53Z",
              "ms": -513698347183.90656
            },
            "end": {
              "local": "1953-09-21T19:35:35+08:00",
              "utc": "1953-09-21T11:35:35Z",
              "ms": -513692664609.6815
            }
          },
          "covered_min": 95,
          "window_min": 95,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:07 on Sun 20 Sep to 19:50 on Mon 21 Sep.",
          "fact": "1953-09-20T15:06:37Z → 1953-09-21T11:49:36Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:37 on the 20th, 18:01–19:36 on the 21st.",
          "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 95 minutes on the 20th and 95 of 95 on the 21st.",
          "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 841 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Monday 21 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": "1953-09-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Monday 21 September. Trayodaśī runs from 23:07 on Sun 20 Sep to 19:50 on Mon 21 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-09-21",
      "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/1953/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28335,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-09-21T19:49:36+08:00",
          "utc": "1953-09-21T11:49:36Z",
          "ms": -513691824064.69476
        },
        "end": {
          "local": "1953-09-22T16:09:10+08:00",
          "utc": "1953-09-22T08:09:10Z",
          "ms": -513618650352.31506
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-21T19:49:36+08:00",
          "utc": "1953-09-21T11:49:36Z",
          "ms": -513691824064.69476
        },
        "end": {
          "local": "1953-09-22T16:09:10+08:00",
          "utc": "1953-09-22T08:09:10Z",
          "ms": -513618650352.31506
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "1953-09-21",
          "window": {
            "start": {
              "local": "1953-09-21T05:50:48+08:00",
              "utc": "1953-09-20T21:50:48Z",
              "ms": -513742152318.49725
            },
            "end": {
              "local": "1953-09-21T08:16:49+08:00",
              "utc": "1953-09-21T00:16:49Z",
              "ms": -513733391291.5791
            }
          },
          "covered_min": 0,
          "window_min": 146,
          "qualifies": false
        },
        {
          "local_date": "1953-09-22",
          "window": {
            "start": {
              "local": "1953-09-22T05:51:12+08:00",
              "utc": "1953-09-21T21:51:12Z",
              "ms": -513655727877.2189
            },
            "end": {
              "local": "1953-09-22T08:16:55+08:00",
              "utc": "1953-09-22T00:16:55Z",
              "ms": -513646985104.8854
            }
          },
          "covered_min": 146,
          "window_min": 146,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 19:50 on Mon 21 Sep to 16:09 on Tue 22 Sep.",
          "fact": "1953-09-21T11:49:36Z → 1953-09-22T08:09:10Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:51–08:17 on the 21st, 05:51–08:17 on the 22nd.",
          "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 146 minutes on the 21st and 146 of 146 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28335 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Fuzhou, 1953: Tuesday 22 September.",
          "fact": "confidence: determinate"
        }
      ],
      "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": "1953-09-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ananta Caturdaśī 1953 falls on Tuesday 22 September. Caturdaśī runs from 19:50 on Mon 21 Sep to 16:09 on Tue 22 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-09-26",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7797,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-09-26T01:07:50+08:00",
          "utc": "1953-09-25T17:07:50Z",
          "ms": -513327129569.7472
        },
        "end": {
          "local": "1953-09-26T22:12:52+08:00",
          "utc": "1953-09-26T14:12:52Z",
          "ms": -513251227666.951
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-26T01:07:50+08:00",
          "utc": "1953-09-25T17:07:50Z",
          "ms": -513327129569.7472
        },
        "end": {
          "local": "1953-09-26T22:12:52+08:00",
          "utc": "1953-09-26T14:12:52Z",
          "ms": -513251227666.951
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-09-25",
          "window": {
            "start": {
              "local": "1953-09-25T19:15:29+08:00",
              "utc": "1953-09-25T11:15:29Z",
              "ms": -513348271406.33655
            },
            "end": {
              "local": "1953-09-25T19:15:29+08:00",
              "utc": "1953-09-25T11:15:29Z",
              "ms": -513348271406.33655
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-09-26",
          "window": {
            "start": {
              "local": "1953-09-26T20:02:56+08:00",
              "utc": "1953-09-26T12:02:56Z",
              "ms": -513259024261.3867
            },
            "end": {
              "local": "1953-09-26T20:02:56+08:00",
              "utc": "1953-09-26T12:02:56Z",
              "ms": -513259024261.3867
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:08 on Sat 26 Sep to 22:13 on Sat 26 Sep.",
          "fact": "1953-09-25T17:07:50Z → 1953-09-26T14:12:52Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:15 on the 25th and 20:03 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.",
          "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 7797 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Saturday 26 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": "1953-09-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Saturday 26 September. Caturthī runs from 01:08 on Sat 26 Sep to 22:13 on Sat 26 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-09-26",
      "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/1953/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3433,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1953-09-27T19:57:48+08:00",
          "utc": "1953-09-27T11:57:48Z",
          "ms": -513172931553.5718
        },
        "end": {
          "local": "1953-09-28T18:29:25+08:00",
          "utc": "1953-09-28T10:29:25Z",
          "ms": -513091834755.3495
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-27T19:57:48+08:00",
          "utc": "1953-09-27T11:57:48Z",
          "ms": -513172931553.5718
        },
        "end": {
          "local": "1953-09-28T18:29:25+08:00",
          "utc": "1953-09-28T10:29:25Z",
          "ms": -513091834755.3495
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-09-27",
          "window": {
            "start": {
              "local": "1953-09-27T20:55:01+08:00",
              "utc": "1953-09-27T12:55:01Z",
              "ms": -513169498970.9957
            },
            "end": {
              "local": "1953-09-27T20:55:01+08:00",
              "utc": "1953-09-27T12:55:01Z",
              "ms": -513169498970.9957
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-09-28",
          "window": {
            "start": {
              "local": "1953-09-28T21:51:09+08:00",
              "utc": "1953-09-28T13:51:09Z",
              "ms": -513079731069.1012
            },
            "end": {
              "local": "1953-09-28T21:51:09+08:00",
              "utc": "1953-09-28T13:51:09Z",
              "ms": -513079731069.1012
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 19:58 on Sun 27 Sep to 18:29 on Mon 28 Sep.",
          "fact": "1953-09-27T11:57:48Z → 1953-09-28T10:29:25Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:55 on the 27th and 21:51 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is on the 27th and is not on the 28th.",
          "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 3433 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Fuzhou, 1953: Sunday 27 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": "1953-09-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Candra Ṣaṣṭhī 1953 falls on Sunday 27 September. Ṣaṣṭhī runs from 19:58 on Sun 27 Sep to 18:29 on Mon 28 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-29",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 39,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-09-29T17:51:23+08:00",
          "utc": "1953-09-29T09:51:23Z",
          "ms": -513007716961.2489
        },
        "end": {
          "local": "1953-09-30T18:03:35+08:00",
          "utc": "1953-09-30T10:03:35Z",
          "ms": -512920585059.81006
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-29T17:51:23+08:00",
          "utc": "1953-09-29T09:51:23Z",
          "ms": -513007716961.2489
        },
        "end": {
          "local": "1953-09-30T18:03:35+08:00",
          "utc": "1953-09-30T10:03:35Z",
          "ms": -512920585059.81006
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-09-29",
          "window": {
            "start": {
              "local": "1953-09-29T17:52:02+08:00",
              "utc": "1953-09-29T09:52:02Z",
              "ms": -513007677972.522
            },
            "end": {
              "local": "1953-09-29T19:28:22+08:00",
              "utc": "1953-09-29T11:28:22Z",
              "ms": -513001897822.41766
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        },
        {
          "local_date": "1953-09-30",
          "window": {
            "start": {
              "local": "1953-09-30T17:50:57+08:00",
              "utc": "1953-09-30T09:50:57Z",
              "ms": -512921343345.4084
            },
            "end": {
              "local": "1953-09-30T19:27:29+08:00",
              "utc": "1953-09-30T11:27:29Z",
              "ms": -512915551001.1182
            }
          },
          "covered_min": 13,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 17:51 on Tue 29 Sep to 18:04 on Wed 30 Sep.",
          "fact": "1953-09-29T09:51:23Z → 1953-09-30T10:03:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:28 on the 29th, 17:51–19:27 on the 30th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 96 of 96 minutes on the 29th and 13 of 97 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "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 39 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Fuzhou, 1953: Tuesday 29 September.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "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": "1953-09-29",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 1953 falls on Tuesday 29 September. Aṣṭamī runs from 17:51 on Tue 29 Sep to 18:04 on Wed 30 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 13 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 39 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-09-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17899,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-09-29T17:51:23+08:00",
          "utc": "1953-09-29T09:51:23Z",
          "ms": -513007716961.2489
        },
        "end": {
          "local": "1953-09-30T18:03:35+08:00",
          "utc": "1953-09-30T10:03:35Z",
          "ms": -512920585059.81006
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-09-29T17:51:23+08:00",
          "utc": "1953-09-29T09:51:23Z",
          "ms": -513007716961.2489
        },
        "end": {
          "local": "1953-09-30T18:03:35+08:00",
          "utc": "1953-09-30T10:03:35Z",
          "ms": -512920585059.81006
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-09-29",
          "window": {
            "start": {
              "local": "1953-09-29T22:49:42+08:00",
              "utc": "1953-09-29T14:49:42Z",
              "ms": -512989817529.0631
            },
            "end": {
              "local": "1953-09-29T22:49:42+08:00",
              "utc": "1953-09-29T14:49:42Z",
              "ms": -512989817529.0631
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-09-30",
          "window": {
            "start": {
              "local": "1953-09-30T23:48:40+08:00",
              "utc": "1953-09-30T15:48:40Z",
              "ms": -512899880326.12616
            },
            "end": {
              "local": "1953-09-30T23:48:40+08:00",
              "utc": "1953-09-30T15:48:40Z",
              "ms": -512899880326.12616
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 17:51 on Tue 29 Sep to 18:04 on Wed 30 Sep.",
          "fact": "1953-09-29T09:51:23Z → 1953-09-30T10:03:35Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:50 on the 29th and 23:49 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 29th and is not on the 30th.",
          "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 17899 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 1953: Tuesday 29 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": "1953-09-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-09-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 1953 falls on Tuesday 29 September. Aṣṭamī runs from 17:51 on Tue 29 Sep to 18:04 on Wed 30 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-10-03",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25925,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-10-02T20:38:45+08:00",
          "utc": "1953-10-02T12:38:45Z",
          "ms": -512738475095.3249
        },
        "end": {
          "local": "1953-10-03T22:44:15+08:00",
          "utc": "1953-10-03T14:44:15Z",
          "ms": -512644545496.68054
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-02T20:38:45+08:00",
          "utc": "1953-10-02T12:38:45Z",
          "ms": -512738475095.3249
        },
        "end": {
          "local": "1953-10-03T22:44:15+08:00",
          "utc": "1953-10-03T14:44:15Z",
          "ms": -512644545496.68054
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-10-03",
          "window": {
            "start": {
              "local": "1953-10-03T05:55:52+08:00",
              "utc": "1953-10-02T21:55:52Z",
              "ms": -512705047804.8206
            },
            "end": {
              "local": "1953-10-03T05:55:52+08:00",
              "utc": "1953-10-02T21:55:52Z",
              "ms": -512705047804.8206
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-10-04",
          "window": {
            "start": {
              "local": "1953-10-04T05:56:19+08:00",
              "utc": "1953-10-03T21:56:19Z",
              "ms": -512618620907.28326
            },
            "end": {
              "local": "1953-10-04T05:56:19+08:00",
              "utc": "1953-10-03T21:56:19Z",
              "ms": -512618620907.28326
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:39 on Fri 2 Oct to 22:44 on Sat 3 Oct.",
          "fact": "1953-10-02T12:38:45Z → 1953-10-03T14:44:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:56 on the 3rd and 05:56 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.",
          "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 25925 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Fuzhou, 1953: Saturday 3 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": "1953-10-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Indirā Ekādaśī 1953 falls on Saturday 3 October. Ekādaśī runs from 20:39 on Fri 2 Oct to 22:44 on Sat 3 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-10-03",
      "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/1953/pradosha-vrata?on=1953-10-05",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20633,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-10-05T01:07:52+08:00",
          "utc": "1953-10-04T17:07:52Z",
          "ms": -512549527793.9883
        },
        "end": {
          "local": "1953-10-06T03:39:59+08:00",
          "utc": "1953-10-05T19:39:59Z",
          "ms": -512454000500.5355
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-05T01:07:52+08:00",
          "utc": "1953-10-04T17:07:52Z",
          "ms": -512549527793.9883
        },
        "end": {
          "local": "1953-10-06T03:39:59+08:00",
          "utc": "1953-10-05T19:39:59Z",
          "ms": -512454000500.5355
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-10-04",
          "window": {
            "start": {
              "local": "1953-10-04T17:46:39+08:00",
              "utc": "1953-10-04T09:46:39Z",
              "ms": -512576001456.4076
            },
            "end": {
              "local": "1953-10-04T19:24:00+08:00",
              "utc": "1953-10-04T11:24:00Z",
              "ms": -512570160424.452
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "1953-10-05",
          "window": {
            "start": {
              "local": "1953-10-05T17:45:35+08:00",
              "utc": "1953-10-05T09:45:35Z",
              "ms": -512489665007.65564
            },
            "end": {
              "local": "1953-10-05T19:23:08+08:00",
              "utc": "1953-10-05T11:23:08Z",
              "ms": -512483811836.4039
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:08 on Mon 5 Oct to 03:40 on Tue 6 Oct.",
          "fact": "1953-10-04T17:07:52Z → 1953-10-05T19:39:59Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:24 on the 4th, 17:46–19:23 on the 5th.",
          "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 97 minutes on the 4th and 98 of 98 on the 5th.",
          "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 20633 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Monday 5 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": "1953-10-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Monday 5 October. Trayodaśī runs from 01:08 on Mon 5 Oct to 03:40 on Tue 6 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-10-05",
      "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/1953/shivaratri?on=1953-10-06",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12275,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-10-06T03:39:59+08:00",
          "utc": "1953-10-05T19:39:59Z",
          "ms": -512454000500.5355
        },
        "end": {
          "local": "1953-10-07T06:12:48+08:00",
          "utc": "1953-10-06T22:12:48Z",
          "ms": -512358432464.79065
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-06T03:39:59+08:00",
          "utc": "1953-10-05T19:39:59Z",
          "ms": -512454000500.5355
        },
        "end": {
          "local": "1953-10-07T06:12:48+08:00",
          "utc": "1953-10-06T22:12:48Z",
          "ms": -512358432464.79065
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-10-05",
          "window": {
            "start": {
              "local": "1953-10-05T23:27:24+08:00",
              "utc": "1953-10-05T15:27:24Z",
              "ms": -512469155615.46155
            },
            "end": {
              "local": "1953-10-06T00:15:24+08:00",
              "utc": "1953-10-05T16:15:24Z",
              "ms": -512466275615.46155
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-10-06",
          "window": {
            "start": {
              "local": "1953-10-06T23:27:07+08:00",
              "utc": "1953-10-06T15:27:07Z",
              "ms": -512382773267.1469
            },
            "end": {
              "local": "1953-10-07T00:15:07+08:00",
              "utc": "1953-10-06T16:15:07Z",
              "ms": -512379893267.1469
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:40 on Tue 6 Oct to 06:13 on Wed 7 Oct.",
          "fact": "1953-10-05T19:39:59Z → 1953-10-06T22:12:48Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 5th, 23:27–00:15 on the 6th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12275 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Tuesday 6 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": "1953-10-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Tuesday 6 October. Caturdaśī runs from 03:40 on Tue 6 Oct to 06:13 on Wed 7 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-10-06",
      "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/1953/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15614,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1953-10-07T06:12:48+08:00",
          "utc": "1953-10-06T22:12:48Z",
          "ms": -512358432464.79065
        },
        "end": {
          "local": "1953-10-08T08:40:30+08:00",
          "utc": "1953-10-08T00:40:30Z",
          "ms": -512263170274.65533
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-07T06:12:48+08:00",
          "utc": "1953-10-06T22:12:48Z",
          "ms": -512358432464.79065
        },
        "end": {
          "local": "1953-10-08T08:40:30+08:00",
          "utc": "1953-10-08T00:40:30Z",
          "ms": -512263170274.65533
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "1953-10-07",
          "window": {
            "start": {
              "local": "1953-10-07T13:01:10+08:00",
              "utc": "1953-10-07T05:01:10Z",
              "ms": -512333929822.1865
            },
            "end": {
              "local": "1953-10-07T15:22:20+08:00",
              "utc": "1953-10-07T07:22:20Z",
              "ms": -512325460290.4327
            }
          },
          "covered_min": 141,
          "window_min": 141,
          "qualifies": true
        },
        {
          "local_date": "1953-10-08",
          "window": {
            "start": {
              "local": "1953-10-08T13:00:44+08:00",
              "utc": "1953-10-08T05:00:44Z",
              "ms": -512247555860.9676
            },
            "end": {
              "local": "1953-10-08T15:21:36+08:00",
              "utc": "1953-10-08T07:21:36Z",
              "ms": -512239104384.50055
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 06:13 on Wed 7 Oct to 08:40 on Thu 8 Oct.",
          "fact": "1953-10-06T22:12:48Z → 1953-10-08T00:40:30Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:01–15:22 on the 7th, 13:01–15:22 on the 8th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 141 of 141 minutes on the 7th and 0 of 141 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15614 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Fuzhou, 1953: Wednesday 7 October.",
          "fact": "confidence: determinate"
        }
      ],
      "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": "1953-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālaya Amāvāsyā 1953 falls on Wednesday 7 October. Amāvasyā runs from 06:13 on Wed 7 Oct to 08:40 on Thu 8 Oct and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1626,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1953-10-08T08:40:30+08:00",
          "utc": "1953-10-08T00:40:30Z",
          "ms": -512263170274.65533
        },
        "end": {
          "local": "1953-10-09T10:58:56+08:00",
          "utc": "1953-10-09T02:58:56Z",
          "ms": -512168464292.09656
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-08T08:40:30+08:00",
          "utc": "1953-10-08T00:40:30Z",
          "ms": -512263170274.65533
        },
        "end": {
          "local": "1953-10-09T10:58:56+08:00",
          "utc": "1953-10-09T02:58:56Z",
          "ms": -512168464292.09656
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-10-08",
          "window": {
            "start": {
              "local": "1953-10-08T11:26:18+08:00",
              "utc": "1953-10-08T03:26:18Z",
              "ms": -512253221599.20105
            },
            "end": {
              "local": "1953-10-08T12:14:18+08:00",
              "utc": "1953-10-08T04:14:18Z",
              "ms": -512250341599.20105
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-10-09",
          "window": {
            "start": {
              "local": "1953-10-09T11:26:02+08:00",
              "utc": "1953-10-09T03:26:02Z",
              "ms": -512166838186.76294
            },
            "end": {
              "local": "1953-10-09T12:14:02+08:00",
              "utc": "1953-10-09T04:14:02Z",
              "ms": -512163958186.76294
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 08:40 on Thu 8 Oct to 10:59 on Fri 9 Oct.",
          "fact": "1953-10-08T00:40:30Z → 1953-10-09T02:58:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 8th, 11:26–12:14 on the 9th.",
          "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 8th and 0 of 48 on the 9th.",
          "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 1626 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Fuzhou, 1953: Thursday 8 October.",
          "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": "1953-10-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Navratri) 1953 falls on Thursday 8 October. Pratipadā runs from 08:40 on Thu 8 Oct to 10:59 on Fri 9 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vinayaka-chaturthi?on=1953-10-12",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9656,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-10-11T14:54:26+08:00",
          "utc": "1953-10-11T06:54:26Z",
          "ms": -511981533879.2262
        },
        "end": {
          "local": "1953-10-12T16:23:58+08:00",
          "utc": "1953-10-12T08:23:58Z",
          "ms": -511889761656.4245
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-11T14:54:26+08:00",
          "utc": "1953-10-11T06:54:26Z",
          "ms": -511981533879.2262
        },
        "end": {
          "local": "1953-10-12T16:23:58+08:00",
          "utc": "1953-10-12T08:23:58Z",
          "ms": -511889761656.4245
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-10-11",
          "window": {
            "start": {
              "local": "1953-10-11T11:25:30+08:00",
              "utc": "1953-10-11T03:25:30Z",
              "ms": -511994070025.61743
            },
            "end": {
              "local": "1953-10-11T12:13:30+08:00",
              "utc": "1953-10-11T04:13:30Z",
              "ms": -511991190025.61743
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-10-12",
          "window": {
            "start": {
              "local": "1953-10-12T11:25:15+08:00",
              "utc": "1953-10-12T03:25:15Z",
              "ms": -511907685244.629
            },
            "end": {
              "local": "1953-10-12T12:13:15+08:00",
              "utc": "1953-10-12T04:13:15Z",
              "ms": -511904805244.629
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 14:54 on Sun 11 Oct to 16:24 on Mon 12 Oct.",
          "fact": "1953-10-11T06:54:26Z → 1953-10-12T08:23:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 11th, 11:25–12:13 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "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 9656 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Monday 12 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": "1953-10-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Monday 12 October. Caturthī runs from 14:54 on Sun 11 Oct to 16:24 on Mon 12 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-10-12",
      "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/1953/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40333,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1953-10-14T18:02:08+08:00",
          "utc": "1953-10-14T10:02:08Z",
          "ms": -511711072089.9807
        },
        "end": {
          "local": "1953-10-15T18:00:05+08:00",
          "utc": "1953-10-15T10:00:05Z",
          "ms": -511624795295.5747
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-14T18:02:08+08:00",
          "utc": "1953-10-14T10:02:08Z",
          "ms": -511711072089.9807
        },
        "end": {
          "local": "1953-10-15T18:00:05+08:00",
          "utc": "1953-10-15T10:00:05Z",
          "ms": -511624795295.5747
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "1953-10-14",
          "window": {
            "start": {
              "local": "1953-10-14T06:01:06+08:00",
              "utc": "1953-10-13T22:01:06Z",
              "ms": -511754334339.4306
            },
            "end": {
              "local": "1953-10-14T06:47:27+08:00",
              "utc": "1953-10-13T22:47:27Z",
              "ms": -511751552987.76056
            }
          },
          "covered_min": 0,
          "window_min": 46,
          "qualifies": false
        },
        {
          "local_date": "1953-10-15",
          "window": {
            "start": {
              "local": "1953-10-15T06:01:36+08:00",
              "utc": "1953-10-14T22:01:36Z",
              "ms": -511667903750.221
            },
            "end": {
              "local": "1953-10-15T06:47:52+08:00",
              "utc": "1953-10-14T22:47:52Z",
              "ms": -511665128304.6146
            }
          },
          "covered_min": 46,
          "window_min": 46,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 18:02 on Wed 14 Oct to 18:00 on Thu 15 Oct.",
          "fact": "1953-10-14T10:02:08Z → 1953-10-15T10:00:05Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:01–06:47 on the 14th, 06:02–06:48 on the 15th.",
          "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 46 minutes on the 14th and 46 of 46 on the 15th.",
          "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 40333 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Fuzhou, 1953: Thursday 15 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": "1953-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Saptamī 1953 falls on Thursday 15 October. Saptamī runs from 18:02 on Wed 14 Oct to 18:00 on Thu 15 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18358,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-10-15T18:00:05+08:00",
          "utc": "1953-10-15T10:00:05Z",
          "ms": -511624795295.5747
        },
        "end": {
          "local": "1953-10-16T17:18:17+08:00",
          "utc": "1953-10-16T09:18:17Z",
          "ms": -511540903010.4501
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-15T18:00:05+08:00",
          "utc": "1953-10-15T10:00:05Z",
          "ms": -511624795295.5747
        },
        "end": {
          "local": "1953-10-16T17:18:17+08:00",
          "utc": "1953-10-16T09:18:17Z",
          "ms": -511540903010.4501
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-10-15",
          "window": {
            "start": {
              "local": "1953-10-15T11:24:32+08:00",
              "utc": "1953-10-15T03:24:32Z",
              "ms": -511648527908.1733
            },
            "end": {
              "local": "1953-10-15T12:12:32+08:00",
              "utc": "1953-10-15T04:12:32Z",
              "ms": -511645647908.1733
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-10-16",
          "window": {
            "start": {
              "local": "1953-10-16T11:24:19+08:00",
              "utc": "1953-10-16T03:24:19Z",
              "ms": -511562141077.9165
            },
            "end": {
              "local": "1953-10-16T12:12:19+08:00",
              "utc": "1953-10-16T04:12:19Z",
              "ms": -511559261077.9165
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 18:00 on Thu 15 Oct to 17:18 on Fri 16 Oct.",
          "fact": "1953-10-15T10:00:05Z → 1953-10-16T09:18:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 15th, 11:24–12:12 on the 16th.",
          "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 15th and 48 of 48 on the 16th.",
          "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 18358 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Fuzhou, 1953: Friday 16 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": "1953-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 1953 falls on Friday 16 October. Aṣṭamī runs from 18:00 on Thu 15 Oct to 17:18 on Fri 16 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5914,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "1953-10-17T15:55:00+08:00",
          "utc": "1953-10-17T07:55:00Z",
          "ms": -511459500178.09436
        },
        "end": {
          "local": "1953-10-18T13:51:11+08:00",
          "utc": "1953-10-18T05:51:11Z",
          "ms": -511380528931.2716
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "1953-10-17T15:55:00+08:00",
          "utc": "1953-10-17T07:55:00Z",
          "ms": -511459500178.09436
        },
        "end": {
          "local": "1953-10-18T00:18:20+08:00",
          "utc": "1953-10-17T16:18:20Z",
          "ms": -511429299517.1014
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "1953-10-17T01:14:11+08:00",
            "utc": "1953-10-16T17:14:11Z",
            "ms": -511512349382.0696
          },
          "end": {
            "local": "1953-10-18T00:18:20+08:00",
            "utc": "1953-10-17T16:18:20Z",
            "ms": -511429299517.1014
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "1953-10-17",
          "window": {
            "start": {
              "local": "1953-10-17T06:02:39+08:00",
              "utc": "1953-10-16T22:02:39Z",
              "ms": -511495041429.0379
            },
            "end": {
              "local": "1953-10-17T17:33:34+08:00",
              "utc": "1953-10-17T09:33:34Z",
              "ms": -511453585959.9301
            }
          },
          "covered_min": 99,
          "window_min": 691,
          "qualifies": true
        },
        {
          "local_date": "1953-10-18",
          "window": {
            "start": {
              "local": "1953-10-18T06:03:10+08:00",
              "utc": "1953-10-17T22:03:10Z",
              "ms": -511408609683.24207
            },
            "end": {
              "local": "1953-10-18T17:32:38+08:00",
              "utc": "1953-10-18T09:32:38Z",
              "ms": -511367241798.0469
            }
          },
          "covered_min": 0,
          "window_min": 689,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 15:55 on Sat 17 Oct to 13:51 on Sun 18 Oct, and Śravaṇa from 01:14 on Sat 17 Oct to 00:18 on Sun 18 Oct. They are together from 15:55 on Sat 17 Oct to 00:18 on Sun 18 Oct.",
          "fact": "1953-10-17T07:55:00Z → 1953-10-17T16:18:20Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 06:03–17:34 on the 17th, 06:03–17:33 on the 18th.",
          "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 99 of 691 minutes on the 17th and 0 of 689 on the 18th.",
          "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 5914 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Fuzhou, 1953: Saturday 17 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": "1953-10-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 1953 falls on Saturday 17 October. Daśamī runs from 15:55 on Sat 17 Oct to 13:51 on Sun 18 Oct and is with Śravaṇa in the day time that day, for 99 minutes.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13374,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1953-10-16T17:18:17+08:00",
          "utc": "1953-10-16T09:18:17Z",
          "ms": -511540903010.4501
        },
        "end": {
          "local": "1953-10-17T15:55:00+08:00",
          "utc": "1953-10-17T07:55:00Z",
          "ms": -511459500178.09436
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-16T17:18:17+08:00",
          "utc": "1953-10-16T09:18:17Z",
          "ms": -511540903010.4501
        },
        "end": {
          "local": "1953-10-17T15:55:00+08:00",
          "utc": "1953-10-17T07:55:00Z",
          "ms": -511459500178.09436
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-10-16",
          "window": {
            "start": {
              "local": "1953-10-16T11:24:19+08:00",
              "utc": "1953-10-16T03:24:19Z",
              "ms": -511562141077.9165
            },
            "end": {
              "local": "1953-10-16T12:12:19+08:00",
              "utc": "1953-10-16T04:12:19Z",
              "ms": -511559261077.9165
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-10-17",
          "window": {
            "start": {
              "local": "1953-10-17T11:24:06+08:00",
              "utc": "1953-10-17T03:24:06Z",
              "ms": -511475753694.484
            },
            "end": {
              "local": "1953-10-17T12:12:06+08:00",
              "utc": "1953-10-17T04:12:06Z",
              "ms": -511472873694.484
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 17:18 on Fri 16 Oct to 15:55 on Sat 17 Oct.",
          "fact": "1953-10-16T09:18:17Z → 1953-10-17T07:55:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 16th, 11:24–12:12 on the 17th.",
          "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 16th and 48 of 48 on the 17th.",
          "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 13374 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Fuzhou, 1953: Saturday 17 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": "1953-10-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahānavamī 1953 falls on Saturday 17 October. Navamī runs from 17:18 on Fri 16 Oct to 15:55 on Sat 17 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-10-19",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18415,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-10-18T13:51:11+08:00",
          "utc": "1953-10-18T05:51:11Z",
          "ms": -511380528931.2716
        },
        "end": {
          "local": "1953-10-19T11:10:38+08:00",
          "utc": "1953-10-19T03:10:38Z",
          "ms": -511303762333.06055
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-18T13:51:11+08:00",
          "utc": "1953-10-18T05:51:11Z",
          "ms": -511380528931.2716
        },
        "end": {
          "local": "1953-10-19T11:10:38+08:00",
          "utc": "1953-10-19T03:10:38Z",
          "ms": -511303762333.06055
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-10-18",
          "window": {
            "start": {
              "local": "1953-10-18T06:03:10+08:00",
              "utc": "1953-10-17T22:03:10Z",
              "ms": -511408609683.24207
            },
            "end": {
              "local": "1953-10-18T06:03:10+08:00",
              "utc": "1953-10-17T22:03:10Z",
              "ms": -511408609683.24207
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-10-19",
          "window": {
            "start": {
              "local": "1953-10-19T06:03:42+08:00",
              "utc": "1953-10-18T22:03:42Z",
              "ms": -511322177536.9996
            },
            "end": {
              "local": "1953-10-19T06:03:42+08:00",
              "utc": "1953-10-18T22:03:42Z",
              "ms": -511322177536.9996
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:51 on Sun 18 Oct to 11:11 on Mon 19 Oct.",
          "fact": "1953-10-18T05:51:11Z → 1953-10-19T03:10:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:03 on the 18th and 06:04 on the 19th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.",
          "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 18415 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 1953: Monday 19 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": "1953-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 1953 falls on Monday 19 October. Ekādaśī runs from 13:51 on Sun 18 Oct to 11:11 on Mon 19 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-10-19",
      "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/1953/pradosha-vrata?on=1953-10-20",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33322,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-10-20T07:59:40+08:00",
          "utc": "1953-10-19T23:59:40Z",
          "ms": -511228820065.15155
        },
        "end": {
          "local": "1953-10-21T04:26:43+08:00",
          "utc": "1953-10-20T20:26:43Z",
          "ms": -511155196918.0864
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-20T07:59:40+08:00",
          "utc": "1953-10-19T23:59:40Z",
          "ms": -511228820065.15155
        },
        "end": {
          "local": "1953-10-21T04:26:43+08:00",
          "utc": "1953-10-20T20:26:43Z",
          "ms": -511155196918.0864
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-10-19",
          "window": {
            "start": {
              "local": "1953-10-19T17:31:43+08:00",
              "utc": "1953-10-19T09:31:43Z",
              "ms": -511280896859.7934
            },
            "end": {
              "local": "1953-10-19T19:12:03+08:00",
              "utc": "1953-10-19T11:12:03Z",
              "ms": -511274876609.33527
            }
          },
          "covered_min": 0,
          "window_min": 100,
          "qualifies": false
        },
        {
          "local_date": "1953-10-20",
          "window": {
            "start": {
              "local": "1953-10-20T17:30:49+08:00",
              "utc": "1953-10-20T09:30:49Z",
              "ms": -511194551116.31915
            },
            "end": {
              "local": "1953-10-20T19:11:21+08:00",
              "utc": "1953-10-20T11:11:21Z",
              "ms": -511188519234.9828
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:00 on Tue 20 Oct to 04:27 on Wed 21 Oct.",
          "fact": "1953-10-19T23:59:40Z → 1953-10-20T20:26:43Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:32–19:12 on the 19th, 17:31–19:11 on the 20th.",
          "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 100 minutes on the 19th and 101 of 101 on the 20th.",
          "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 33322 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Tuesday 20 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": "1953-10-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Tuesday 20 October. Trayodaśī runs from 08:00 on Tue 20 Oct to 04:27 on Wed 21 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-10-20",
      "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/1953/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29525,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-10-25T11:25:08+08:00",
          "utc": "1953-10-25T03:25:08Z",
          "ms": -510784492314.2512
        },
        "end": {
          "local": "1953-10-26T09:26:03+08:00",
          "utc": "1953-10-26T01:26:03Z",
          "ms": -510705236863.6832
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-25T11:25:08+08:00",
          "utc": "1953-10-25T03:25:08Z",
          "ms": -510784492314.2512
        },
        "end": {
          "local": "1953-10-26T09:26:03+08:00",
          "utc": "1953-10-26T01:26:03Z",
          "ms": -510705236863.6832
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-10-25",
          "window": {
            "start": {
              "local": "1953-10-25T19:37:12+08:00",
              "utc": "1953-10-25T11:37:12Z",
              "ms": -510754967691.7046
            },
            "end": {
              "local": "1953-10-25T19:37:12+08:00",
              "utc": "1953-10-25T11:37:12Z",
              "ms": -510754967691.7046
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-10-26",
          "window": {
            "start": {
              "local": "1953-10-26T20:36:57+08:00",
              "utc": "1953-10-26T12:36:57Z",
              "ms": -510664982906.00104
            },
            "end": {
              "local": "1953-10-26T20:36:57+08:00",
              "utc": "1953-10-26T12:36:57Z",
              "ms": -510664982906.00104
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:25 on Sun 25 Oct to 09:26 on Mon 26 Oct.",
          "fact": "1953-10-25T03:25:08Z → 1953-10-26T01:26:03Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:37 on the 25th and 20:37 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.",
          "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 29525 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Fuzhou, 1953: Sunday 25 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": "1953-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 1953 falls on Sunday 25 October. Caturthī runs from 11:25 on Sun 25 Oct to 09:26 on Mon 26 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-10-25",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29525,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-10-25T11:25:08+08:00",
          "utc": "1953-10-25T03:25:08Z",
          "ms": -510784492314.2512
        },
        "end": {
          "local": "1953-10-26T09:26:03+08:00",
          "utc": "1953-10-26T01:26:03Z",
          "ms": -510705236863.6832
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-25T11:25:08+08:00",
          "utc": "1953-10-25T03:25:08Z",
          "ms": -510784492314.2512
        },
        "end": {
          "local": "1953-10-26T09:26:03+08:00",
          "utc": "1953-10-26T01:26:03Z",
          "ms": -510705236863.6832
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-10-25",
          "window": {
            "start": {
              "local": "1953-10-25T19:37:12+08:00",
              "utc": "1953-10-25T11:37:12Z",
              "ms": -510754967691.7046
            },
            "end": {
              "local": "1953-10-25T19:37:12+08:00",
              "utc": "1953-10-25T11:37:12Z",
              "ms": -510754967691.7046
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-10-26",
          "window": {
            "start": {
              "local": "1953-10-26T20:36:57+08:00",
              "utc": "1953-10-26T12:36:57Z",
              "ms": -510664982906.00104
            },
            "end": {
              "local": "1953-10-26T20:36:57+08:00",
              "utc": "1953-10-26T12:36:57Z",
              "ms": -510664982906.00104
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:25 on Sun 25 Oct to 09:26 on Mon 26 Oct.",
          "fact": "1953-10-25T03:25:08Z → 1953-10-26T01:26:03Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:37 on the 25th and 20:37 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.",
          "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 29525 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Sunday 25 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": "1953-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Sunday 25 October. Caturthī runs from 11:25 on Sun 25 Oct to 09:26 on Mon 26 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-10-25",
      "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/1953/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-10-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35772,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-10-29T08:33:51+08:00",
          "utc": "1953-10-29T00:33:51Z",
          "ms": -510449168894.7431
        },
        "end": {
          "local": "1953-10-30T09:55:34+08:00",
          "utc": "1953-10-30T01:55:34Z",
          "ms": -510357865757.7237
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-10-29T08:33:51+08:00",
          "utc": "1953-10-29T00:33:51Z",
          "ms": -510449168894.7431
        },
        "end": {
          "local": "1953-10-30T09:55:34+08:00",
          "utc": "1953-10-30T01:55:34Z",
          "ms": -510357865757.7237
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-10-28",
          "window": {
            "start": {
              "local": "1953-10-28T22:37:39+08:00",
              "utc": "1953-10-28T14:37:39Z",
              "ms": -510484940748.2511
            },
            "end": {
              "local": "1953-10-28T22:37:39+08:00",
              "utc": "1953-10-28T14:37:39Z",
              "ms": -510484940748.2511
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-10-29",
          "window": {
            "start": {
              "local": "1953-10-29T23:35:03+08:00",
              "utc": "1953-10-29T15:35:03Z",
              "ms": -510395096570.30774
            },
            "end": {
              "local": "1953-10-29T23:35:03+08:00",
              "utc": "1953-10-29T15:35:03Z",
              "ms": -510395096570.30774
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 08:34 on Thu 29 Oct to 09:56 on Fri 30 Oct.",
          "fact": "1953-10-29T00:33:51Z → 1953-10-30T01:55:34Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:38 on the 28th and 23:35 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 28th and is on the 29th.",
          "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 35772 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Fuzhou, 1953: Thursday 29 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": "1953-10-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-10-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ahoyī Aṣṭamī 1953 falls on Thursday 29 October. Aṣṭamī runs from 08:34 on Thu 29 Oct to 09:56 on Fri 30 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-11-02",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29213,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-11-01T14:18:14+08:00",
          "utc": "1953-11-01T06:18:14Z",
          "ms": -510169306211.41956
        },
        "end": {
          "local": "1953-11-02T16:53:40+08:00",
          "utc": "1953-11-02T08:53:40Z",
          "ms": -510073579892.5715
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-01T14:18:14+08:00",
          "utc": "1953-11-01T06:18:14Z",
          "ms": -510169306211.41956
        },
        "end": {
          "local": "1953-11-02T16:53:40+08:00",
          "utc": "1953-11-02T08:53:40Z",
          "ms": -510073579892.5715
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-11-01",
          "window": {
            "start": {
              "local": "1953-11-01T06:11:21+08:00",
              "utc": "1953-10-31T22:11:21Z",
              "ms": -510198519224.5243
            },
            "end": {
              "local": "1953-11-01T06:11:21+08:00",
              "utc": "1953-10-31T22:11:21Z",
              "ms": -510198519224.5243
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-11-02",
          "window": {
            "start": {
              "local": "1953-11-02T06:11:59+08:00",
              "utc": "1953-11-01T22:11:59Z",
              "ms": -510112080720.04205
            },
            "end": {
              "local": "1953-11-02T06:11:59+08:00",
              "utc": "1953-11-01T22:11:59Z",
              "ms": -510112080720.04205
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:18 on Sun 1 Nov to 16:54 on Mon 2 Nov.",
          "fact": "1953-11-01T06:18:14Z → 1953-11-02T08:53:40Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:11 on the 1st and 06:12 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is 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 29213 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Fuzhou, 1953: Monday 2 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": "1953-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ramā Ekādaśī 1953 falls on Monday 2 November. Ekādaśī runs from 14:18 on Sun 1 Nov to 16:54 on Mon 2 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-11-02",
      "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/1953/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1560,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1953-11-02T16:53:40+08:00",
          "utc": "1953-11-02T08:53:40Z",
          "ms": -510073579892.5715
        },
        "end": {
          "local": "1953-11-03T19:28:58+08:00",
          "utc": "1953-11-03T11:28:58Z",
          "ms": -509977861522.47675
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-02T16:53:40+08:00",
          "utc": "1953-11-02T08:53:40Z",
          "ms": -510073579892.5715
        },
        "end": {
          "local": "1953-11-03T19:28:58+08:00",
          "utc": "1953-11-03T11:28:58Z",
          "ms": -509977861522.47675
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-11-02",
          "window": {
            "start": {
              "local": "1953-11-02T17:20:30+08:00",
              "utc": "1953-11-02T09:20:30Z",
              "ms": -510071969672.54504
            },
            "end": {
              "local": "1953-11-02T19:03:27+08:00",
              "utc": "1953-11-02T11:03:27Z",
              "ms": -510065792618.3025
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "1953-11-03",
          "window": {
            "start": {
              "local": "1953-11-03T17:19:50+08:00",
              "utc": "1953-11-03T09:19:50Z",
              "ms": -509985609606.2997
            },
            "end": {
              "local": "1953-11-03T19:02:58+08:00",
              "utc": "1953-11-03T11:02:58Z",
              "ms": -509979421974.90564
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 16:54 on Mon 2 Nov to 19:29 on Tue 3 Nov.",
          "fact": "1953-11-02T08:53:40Z → 1953-11-03T11:28:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:21–19:03 on the 2nd, 17:20–19:03 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 2nd and 103 of 103 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 1560 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Fuzhou, 1953: Monday 2 November.",
          "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": "1953-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 1953 falls on Monday 2 November. Dvādaśī runs from 16:54 on Mon 2 Nov to 19:29 on Tue 3 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 103 minutes; by the rule the first evening is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1560,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-11-03T19:28:58+08:00",
          "utc": "1953-11-03T11:28:58Z",
          "ms": -509977861522.47675
        },
        "end": {
          "local": "1953-11-04T21:54:59+08:00",
          "utc": "1953-11-04T13:54:59Z",
          "ms": -509882700579.2251
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-03T19:28:58+08:00",
          "utc": "1953-11-03T11:28:58Z",
          "ms": -509977861522.47675
        },
        "end": {
          "local": "1953-11-04T21:54:59+08:00",
          "utc": "1953-11-04T13:54:59Z",
          "ms": -509882700579.2251
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-11-03",
          "window": {
            "start": {
              "local": "1953-11-03T17:19:50+08:00",
              "utc": "1953-11-03T09:19:50Z",
              "ms": -509985609606.2997
            },
            "end": {
              "local": "1953-11-03T19:02:58+08:00",
              "utc": "1953-11-03T11:02:58Z",
              "ms": -509979421974.90564
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "1953-11-04",
          "window": {
            "start": {
              "local": "1953-11-04T17:19:12+08:00",
              "utc": "1953-11-04T09:19:12Z",
              "ms": -509899248324.94977
            },
            "end": {
              "local": "1953-11-04T19:02:30+08:00",
              "utc": "1953-11-04T11:02:30Z",
              "ms": -509893050221.11163
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:29 on Tue 3 Nov to 21:55 on Wed 4 Nov.",
          "fact": "1953-11-03T11:28:58Z → 1953-11-04T13:54:59Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:03 on the 3rd, 17:19–19:02 on the 4th.",
          "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 103 minutes on the 3rd and 103 of 103 on the 4th.",
          "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 1560 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Fuzhou, 1953: Wednesday 4 November.",
          "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": "1953-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-04",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Yama Dīpadāna 1953 falls on Wednesday 4 November. Trayodaśī runs from 19:29 on Tue 3 Nov to 21:55 on Wed 4 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/pradosha-vrata?on=1953-11-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1560,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-11-03T19:28:58+08:00",
          "utc": "1953-11-03T11:28:58Z",
          "ms": -509977861522.47675
        },
        "end": {
          "local": "1953-11-04T21:54:59+08:00",
          "utc": "1953-11-04T13:54:59Z",
          "ms": -509882700579.2251
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-03T19:28:58+08:00",
          "utc": "1953-11-03T11:28:58Z",
          "ms": -509977861522.47675
        },
        "end": {
          "local": "1953-11-04T21:54:59+08:00",
          "utc": "1953-11-04T13:54:59Z",
          "ms": -509882700579.2251
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-11-03",
          "window": {
            "start": {
              "local": "1953-11-03T17:19:50+08:00",
              "utc": "1953-11-03T09:19:50Z",
              "ms": -509985609606.2997
            },
            "end": {
              "local": "1953-11-03T19:02:58+08:00",
              "utc": "1953-11-03T11:02:58Z",
              "ms": -509979421974.90564
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "1953-11-04",
          "window": {
            "start": {
              "local": "1953-11-04T17:19:12+08:00",
              "utc": "1953-11-04T09:19:12Z",
              "ms": -509899248324.94977
            },
            "end": {
              "local": "1953-11-04T19:02:30+08:00",
              "utc": "1953-11-04T11:02:30Z",
              "ms": -509893050221.11163
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:29 on Tue 3 Nov to 21:55 on Wed 4 Nov.",
          "fact": "1953-11-03T11:28:58Z → 1953-11-04T13:54:59Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:03 on the 3rd, 17:19–19:02 on the 4th.",
          "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 103 minutes on the 3rd and 103 of 103 on the 4th.",
          "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 1560 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Wednesday 4 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": "1953-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-04",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Wednesday 4 November. Trayodaśī runs from 19:29 on Tue 3 Nov to 21:55 on Wed 4 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-11-04",
      "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/1953/shivaratri?on=1953-11-04",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-04",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 296,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-11-04T21:54:59+08:00",
          "utc": "1953-11-04T13:54:59Z",
          "ms": -509882700579.2251
        },
        "end": {
          "local": "1953-11-06T00:05:40+08:00",
          "utc": "1953-11-05T16:05:40Z",
          "ms": -509788459688.7702
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-04T21:54:59+08:00",
          "utc": "1953-11-04T13:54:59Z",
          "ms": -509882700579.2251
        },
        "end": {
          "local": "1953-11-06T00:05:40+08:00",
          "utc": "1953-11-05T16:05:40Z",
          "ms": -509788459688.7702
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-11-04",
          "window": {
            "start": {
              "local": "1953-11-04T23:22:35+08:00",
              "utc": "1953-11-04T15:22:35Z",
              "ms": -509877445435.5568
            },
            "end": {
              "local": "1953-11-05T00:10:35+08:00",
              "utc": "1953-11-04T16:10:35Z",
              "ms": -509874565435.5568
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-05",
          "window": {
            "start": {
              "local": "1953-11-05T23:22:36+08:00",
              "utc": "1953-11-05T15:22:36Z",
              "ms": -509791044055.70166
            },
            "end": {
              "local": "1953-11-06T00:10:36+08:00",
              "utc": "1953-11-05T16:10:36Z",
              "ms": -509788164055.70166
            }
          },
          "covered_min": 43,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:55 on Wed 4 Nov to 00:06 on Fri 6 Nov.",
          "fact": "1953-11-04T13:54:59Z → 1953-11-05T16:05:40Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 4th, 23:23–00:11 on the 5th.",
          "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 4th and 43 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 296 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Wednesday 4 November.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "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": "1953-11-04",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-04",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Wednesday 4 November. Caturdaśī runs from 21:55 on Wed 4 Nov to 00:06 on Fri 6 Nov and covers all of niśītha that night. It also reaches the next night for 43 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 56 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-11-04",
      "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/1953/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15929,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-11-04T21:54:59+08:00",
          "utc": "1953-11-04T13:54:59Z",
          "ms": -509882700579.2251
        },
        "end": {
          "local": "1953-11-06T00:05:40+08:00",
          "utc": "1953-11-05T16:05:40Z",
          "ms": -509788459688.7702
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-04T21:54:59+08:00",
          "utc": "1953-11-04T13:54:59Z",
          "ms": -509882700579.2251
        },
        "end": {
          "local": "1953-11-06T00:05:40+08:00",
          "utc": "1953-11-05T16:05:40Z",
          "ms": -509788459688.7702
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1953-11-05",
          "window": {
            "start": {
              "local": "1953-11-05T04:30:39+08:00",
              "utc": "1953-11-04T20:30:39Z",
              "ms": -509858960650.002
            },
            "end": {
              "local": "1953-11-05T06:13:57+08:00",
              "utc": "1953-11-04T22:13:57Z",
              "ms": -509852762546.1639
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "1953-11-06",
          "window": {
            "start": {
              "local": "1953-11-06T04:31:09+08:00",
              "utc": "1953-11-05T20:31:09Z",
              "ms": -509772530771.0935
            },
            "end": {
              "local": "1953-11-06T06:14:38+08:00",
              "utc": "1953-11-05T22:14:38Z",
              "ms": -509766322303.96326
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:55 on Wed 4 Nov to 00:06 on Fri 6 Nov.",
          "fact": "1953-11-04T13:54:59Z → 1953-11-05T16:05:40Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:31–06:14 on the 5th, 04:31–06:15 on the 6th.",
          "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 103 of 103 minutes on the 5th and 0 of 103 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 15929 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Fuzhou, 1953: Thursday 5 November.",
          "fact": "confidence: determinate"
        }
      ],
      "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": "1953-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 1953 falls on Thursday 5 November. Caturdaśī runs from 21:55 on Wed 4 Nov to 00:06 on Fri 6 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18218,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1953-11-06T00:05:40+08:00",
          "utc": "1953-11-05T16:05:40Z",
          "ms": -509788459688.7702
        },
        "end": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-06T00:05:40+08:00",
          "utc": "1953-11-05T16:05:40Z",
          "ms": -509788459688.7702
        },
        "end": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-11-05",
          "window": {
            "start": {
              "local": "1953-11-05T17:18:34+08:00",
              "utc": "1953-11-05T09:18:34Z",
              "ms": -509812885807.44
            },
            "end": {
              "local": "1953-11-05T19:02:03+08:00",
              "utc": "1953-11-05T11:02:03Z",
              "ms": -509806677340.30975
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "1953-11-06",
          "window": {
            "start": {
              "local": "1953-11-06T17:17:58+08:00",
              "utc": "1953-11-06T09:17:58Z",
              "ms": -509726522033.604
            },
            "end": {
              "local": "1953-11-06T19:01:37+08:00",
              "utc": "1953-11-06T11:01:37Z",
              "ms": -509720303316.8605
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 00:06 on Fri 6 Nov to 01:58 on Sat 7 Nov.",
          "fact": "1953-11-05T16:05:40Z → 1953-11-06T17:57:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:02 on the 5th, 17:18–19:02 on the 6th.",
          "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 103 minutes on the 5th and 104 of 104 on the 6th.",
          "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 18218 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Fuzhou, 1953: Friday 6 November.",
          "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": "1953-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 1953 falls on Friday 6 November. Amāvasyā runs from 00:06 on Fri 6 Nov to 01:58 on Sat 7 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-06",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 296,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1953-11-06T00:05:40+08:00",
          "utc": "1953-11-05T16:05:40Z",
          "ms": -509788459688.7702
        },
        "end": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-06T00:05:40+08:00",
          "utc": "1953-11-05T16:05:40Z",
          "ms": -509788459688.7702
        },
        "end": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-11-05",
          "window": {
            "start": {
              "local": "1953-11-05T23:22:36+08:00",
              "utc": "1953-11-05T15:22:36Z",
              "ms": -509791044055.70166
            },
            "end": {
              "local": "1953-11-06T00:10:36+08:00",
              "utc": "1953-11-05T16:10:36Z",
              "ms": -509788164055.70166
            }
          },
          "covered_min": 5,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-06",
          "window": {
            "start": {
              "local": "1953-11-06T23:22:38+08:00",
              "utc": "1953-11-06T15:22:38Z",
              "ms": -509704641845.8158
            },
            "end": {
              "local": "1953-11-07T00:10:38+08:00",
              "utc": "1953-11-06T16:10:38Z",
              "ms": -509701761845.8158
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 00:06 on Fri 6 Nov to 01:58 on Sat 7 Nov.",
          "fact": "1953-11-05T16:05:40Z → 1953-11-06T17:57:42Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 5th, 23:23–00:11 on the 6th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 5 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": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 296 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Fuzhou, 1953: Friday 6 November.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "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": "1953-11-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-06",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kālī Pūjā 1953 falls on Friday 6 November. Amāvasyā runs from 00:06 on Fri 6 Nov to 01:58 on Sat 7 Nov and covers all of niśītha that night. It also reaches the previous night for 5 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 56 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28371,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        },
        "end": {
          "local": "1953-11-08T03:29:33+08:00",
          "utc": "1953-11-07T19:29:33Z",
          "ms": -509603426557.29785
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        },
        "end": {
          "local": "1953-11-08T03:29:33+08:00",
          "utc": "1953-11-07T19:29:33Z",
          "ms": -509603426557.29785
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-11-07",
          "window": {
            "start": {
              "local": "1953-11-07T11:22:21+08:00",
              "utc": "1953-11-07T03:22:21Z",
              "ms": -509661459321.08887
            },
            "end": {
              "local": "1953-11-07T12:10:21+08:00",
              "utc": "1953-11-07T04:10:21Z",
              "ms": -509658579321.08887
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-08",
          "window": {
            "start": {
              "local": "1953-11-08T11:22:24+08:00",
              "utc": "1953-11-08T03:22:24Z",
              "ms": -509575055632.11975
            },
            "end": {
              "local": "1953-11-08T12:10:24+08:00",
              "utc": "1953-11-08T04:10:24Z",
              "ms": -509572175632.11975
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 01:58 on Sat 7 Nov to 03:30 on Sun 8 Nov.",
          "fact": "1953-11-06T17:57:42Z → 1953-11-07T19:29:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 7th, 11:22–12:10 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "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 28371 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Fuzhou, 1953: Saturday 7 November.",
          "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": "1953-11-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govardhana Pūjā 1953 falls on Saturday 7 November. Pratipadā runs from 01:58 on Sat 7 Nov to 03:30 on Sun 8 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24965,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        },
        "end": {
          "local": "1953-11-08T03:29:33+08:00",
          "utc": "1953-11-07T19:29:33Z",
          "ms": -509603426557.29785
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        },
        "end": {
          "local": "1953-11-08T03:29:33+08:00",
          "utc": "1953-11-07T19:29:33Z",
          "ms": -509603426557.29785
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-11-06",
          "window": {
            "start": {
              "local": "1953-11-06T17:17:58+08:00",
              "utc": "1953-11-06T09:17:58Z",
              "ms": -509726522033.604
            },
            "end": {
              "local": "1953-11-06T19:01:37+08:00",
              "utc": "1953-11-06T11:01:37Z",
              "ms": -509720303316.8605
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "1953-11-07",
          "window": {
            "start": {
              "local": "1953-11-07T17:17:23+08:00",
              "utc": "1953-11-07T09:17:23Z",
              "ms": -509640156984.15015
            },
            "end": {
              "local": "1953-11-07T19:01:12+08:00",
              "utc": "1953-11-07T11:01:12Z",
              "ms": -509633928136.0792
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 01:58 on Sat 7 Nov to 03:30 on Sun 8 Nov.",
          "fact": "1953-11-06T17:57:42Z → 1953-11-07T19:29:33Z"
        },
        {
          "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": "Pratipadā 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24965 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Fuzhou, 1953: Saturday 7 November.",
          "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": "1953-11-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bali Pūjā 1953 falls on Saturday 7 November. Pratipadā runs from 01:58 on Sat 7 Nov to 03:30 on Sun 8 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9986,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        },
        "end": {
          "local": "1953-11-08T03:29:33+08:00",
          "utc": "1953-11-07T19:29:33Z",
          "ms": -509603426557.29785
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-07T01:57:42+08:00",
          "utc": "1953-11-06T17:57:42Z",
          "ms": -509695338301.1867
        },
        "end": {
          "local": "1953-11-08T03:29:33+08:00",
          "utc": "1953-11-07T19:29:33Z",
          "ms": -509603426557.29785
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1953-11-07",
          "window": {
            "start": {
              "local": "1953-11-07T06:15:18+08:00",
              "utc": "1953-11-06T22:15:18Z",
              "ms": -509679881658.0276
            },
            "end": {
              "local": "1953-11-07T09:56:00+08:00",
              "utc": "1953-11-07T01:56:00Z",
              "ms": -509666640100.0684
            }
          },
          "covered_min": 221,
          "window_min": 221,
          "qualifies": true
        },
        {
          "local_date": "1953-11-08",
          "window": {
            "start": {
              "local": "1953-11-08T06:15:59+08:00",
              "utc": "1953-11-07T22:15:59Z",
              "ms": -509593440623.61816
            },
            "end": {
              "local": "1953-11-08T09:56:16+08:00",
              "utc": "1953-11-08T01:56:16Z",
              "ms": -509580223962.6192
            }
          },
          "covered_min": 0,
          "window_min": 220,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 01:58 on Sat 7 Nov to 03:30 on Sun 8 Nov.",
          "fact": "1953-11-06T17:57:42Z → 1953-11-07T19:29:33Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:15–09:56 on the 7th, 06:16–09:56 on the 8th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 221 of 221 minutes on the 7th and 0 of 220 on the 8th.",
          "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 9986 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Fuzhou, 1953: Saturday 7 November.",
          "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": "1953-11-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dyūta Pratipad 1953 falls on Saturday 7 November. Pratipadā runs from 01:58 on Sat 7 Nov to 03:30 on Sun 8 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24116,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1953-11-08T03:29:33+08:00",
          "utc": "1953-11-07T19:29:33Z",
          "ms": -509603426557.29785
        },
        "end": {
          "local": "1953-11-09T04:40:33+08:00",
          "utc": "1953-11-08T20:40:33Z",
          "ms": -509512767482.5468
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-08T03:29:33+08:00",
          "utc": "1953-11-07T19:29:33Z",
          "ms": -509603426557.29785
        },
        "end": {
          "local": "1953-11-09T04:40:33+08:00",
          "utc": "1953-11-08T20:40:33Z",
          "ms": -509512767482.5468
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-11-08",
          "window": {
            "start": {
              "local": "1953-11-08T11:22:24+08:00",
              "utc": "1953-11-08T03:22:24Z",
              "ms": -509575055632.11975
            },
            "end": {
              "local": "1953-11-08T12:10:24+08:00",
              "utc": "1953-11-08T04:10:24Z",
              "ms": -509572175632.11975
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-09",
          "window": {
            "start": {
              "local": "1953-11-09T11:22:29+08:00",
              "utc": "1953-11-09T03:22:29Z",
              "ms": -509488651101.3621
            },
            "end": {
              "local": "1953-11-09T12:10:29+08:00",
              "utc": "1953-11-09T04:10:29Z",
              "ms": -509485771101.3621
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 03:30 on Sun 8 Nov to 04:41 on Mon 9 Nov.",
          "fact": "1953-11-07T19:29:33Z → 1953-11-08T20:40:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 8th, 11:22–12:10 on the 9th.",
          "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 8th and 0 of 48 on the 9th.",
          "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 24116 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Fuzhou, 1953: Sunday 8 November.",
          "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": "1953-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 1953 falls on Sunday 8 November. Dvitīyā runs from 03:30 on Sun 8 Nov to 04:41 on Mon 9 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19602,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-11-10T05:29:50+08:00",
          "utc": "1953-11-09T21:29:50Z",
          "ms": -509423410049.3498
        },
        "end": {
          "local": "1953-11-11T05:55:59+08:00",
          "utc": "1953-11-10T21:55:59Z",
          "ms": -509335441416.8868
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-10T05:29:50+08:00",
          "utc": "1953-11-09T21:29:50Z",
          "ms": -509423410049.3498
        },
        "end": {
          "local": "1953-11-11T05:55:59+08:00",
          "utc": "1953-11-10T21:55:59Z",
          "ms": -509335441416.8868
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-11-10",
          "window": {
            "start": {
              "local": "1953-11-10T11:22:34+08:00",
              "utc": "1953-11-10T03:22:34Z",
              "ms": -509402245729.2821
            },
            "end": {
              "local": "1953-11-10T12:10:34+08:00",
              "utc": "1953-11-10T04:10:34Z",
              "ms": -509399365729.2821
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-11",
          "window": {
            "start": {
              "local": "1953-11-11T11:22:40+08:00",
              "utc": "1953-11-11T03:22:40Z",
              "ms": -509315839517.1868
            },
            "end": {
              "local": "1953-11-11T12:10:40+08:00",
              "utc": "1953-11-11T04:10:40Z",
              "ms": -509312959517.1868
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:30 on Tue 10 Nov to 05:56 on Wed 11 Nov.",
          "fact": "1953-11-09T21:29:50Z → 1953-11-10T21:55:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 10th, 11:23–12:11 on the 11th.",
          "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 10th and 0 of 48 on the 11th.",
          "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 19602 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Fuzhou, 1953: Tuesday 10 November.",
          "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": "1953-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Caturthī 1953 falls on Tuesday 10 November. Caturthī runs from 05:30 on Tue 10 Nov to 05:56 on Wed 11 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/vinayaka-chaturthi?on=1953-11-10",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19602,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-11-10T05:29:50+08:00",
          "utc": "1953-11-09T21:29:50Z",
          "ms": -509423410049.3498
        },
        "end": {
          "local": "1953-11-11T05:55:59+08:00",
          "utc": "1953-11-10T21:55:59Z",
          "ms": -509335441416.8868
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-10T05:29:50+08:00",
          "utc": "1953-11-09T21:29:50Z",
          "ms": -509423410049.3498
        },
        "end": {
          "local": "1953-11-11T05:55:59+08:00",
          "utc": "1953-11-10T21:55:59Z",
          "ms": -509335441416.8868
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-11-10",
          "window": {
            "start": {
              "local": "1953-11-10T11:22:34+08:00",
              "utc": "1953-11-10T03:22:34Z",
              "ms": -509402245729.2821
            },
            "end": {
              "local": "1953-11-10T12:10:34+08:00",
              "utc": "1953-11-10T04:10:34Z",
              "ms": -509399365729.2821
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-11",
          "window": {
            "start": {
              "local": "1953-11-11T11:22:40+08:00",
              "utc": "1953-11-11T03:22:40Z",
              "ms": -509315839517.1868
            },
            "end": {
              "local": "1953-11-11T12:10:40+08:00",
              "utc": "1953-11-11T04:10:40Z",
              "ms": -509312959517.1868
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:30 on Tue 10 Nov to 05:56 on Wed 11 Nov.",
          "fact": "1953-11-09T21:29:50Z → 1953-11-10T21:55:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 10th, 11:23–12:11 on the 11th.",
          "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 10th and 0 of 48 on the 11th.",
          "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 19602 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Tuesday 10 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": "1953-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Tuesday 10 November. Caturthī runs from 05:30 on Tue 10 Nov to 05:56 on Wed 11 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-11-10",
      "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/1953/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19560,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1953-11-12T05:56:48+08:00",
          "utc": "1953-11-11T21:56:48Z",
          "ms": -509248992349.6386
        },
        "end": {
          "local": "1953-11-13T05:29:44+08:00",
          "utc": "1953-11-12T21:29:44Z",
          "ms": -509164216108.07465
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-12T05:56:48+08:00",
          "utc": "1953-11-11T21:56:48Z",
          "ms": -509248992349.6386
        },
        "end": {
          "local": "1953-11-13T05:29:44+08:00",
          "utc": "1953-11-12T21:29:44Z",
          "ms": -509164216108.07465
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-11-12",
          "window": {
            "start": {
              "local": "1953-11-12T11:22:48+08:00",
              "utc": "1953-11-12T03:22:48Z",
              "ms": -509229432467.06915
            },
            "end": {
              "local": "1953-11-12T12:10:48+08:00",
              "utc": "1953-11-12T04:10:48Z",
              "ms": -509226552467.06915
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-13",
          "window": {
            "start": {
              "local": "1953-11-13T11:22:55+08:00",
              "utc": "1953-11-13T03:22:55Z",
              "ms": -509143024581.428
            },
            "end": {
              "local": "1953-11-13T12:10:55+08:00",
              "utc": "1953-11-13T04:10:55Z",
              "ms": -509140144581.428
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 05:57 on Thu 12 Nov to 05:30 on Fri 13 Nov.",
          "fact": "1953-11-11T21:56:48Z → 1953-11-12T21:29:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 12th, 11:23–12:11 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "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 19560 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Fuzhou, 1953: Thursday 12 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": "1953-11-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 1953 falls on Thursday 12 November. Ṣaṣṭhī runs from 05:57 on Thu 12 Nov to 05:30 on Fri 13 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24632,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1953-11-14T04:32:32+08:00",
          "utc": "1953-11-13T20:32:32Z",
          "ms": -509081248022.2034
        },
        "end": {
          "local": "1953-11-15T03:04:02+08:00",
          "utc": "1953-11-14T19:04:02Z",
          "ms": -509000158447.61487
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-14T04:32:32+08:00",
          "utc": "1953-11-13T20:32:32Z",
          "ms": -509081248022.2034
        },
        "end": {
          "local": "1953-11-15T03:04:02+08:00",
          "utc": "1953-11-14T19:04:02Z",
          "ms": -509000158447.61487
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-11-14",
          "window": {
            "start": {
              "local": "1953-11-14T11:23:04+08:00",
              "utc": "1953-11-14T03:23:04Z",
              "ms": -509056615863.0769
            },
            "end": {
              "local": "1953-11-14T12:11:04+08:00",
              "utc": "1953-11-14T04:11:04Z",
              "ms": -509053735863.0769
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-15",
          "window": {
            "start": {
              "local": "1953-11-15T11:23:14+08:00",
              "utc": "1953-11-15T03:23:14Z",
              "ms": -508970206314.94507
            },
            "end": {
              "local": "1953-11-15T12:11:14+08:00",
              "utc": "1953-11-15T04:11:14Z",
              "ms": -508967326314.94507
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 04:33 on Sat 14 Nov to 03:04 on Sun 15 Nov.",
          "fact": "1953-11-13T20:32:32Z → 1953-11-14T19:04:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 14th, 11:23–12:11 on the 15th.",
          "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 14th and 0 of 48 on the 15th.",
          "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 24632 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Fuzhou, 1953: Saturday 14 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": "1953-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gopāṣṭamī 1953 falls on Saturday 14 November. Aṣṭamī runs from 04:33 on Sat 14 Nov to 03:04 on Sun 15 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11814,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1953-11-15T03:04:02+08:00",
          "utc": "1953-11-14T19:04:02Z",
          "ms": -509000158447.61487
        },
        "end": {
          "local": "1953-11-16T01:04:47+08:00",
          "utc": "1953-11-15T17:04:47Z",
          "ms": -508920912955.5048
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-15T03:04:02+08:00",
          "utc": "1953-11-14T19:04:02Z",
          "ms": -509000158447.61487
        },
        "end": {
          "local": "1953-11-16T01:04:47+08:00",
          "utc": "1953-11-15T17:04:47Z",
          "ms": -508920912955.5048
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1953-11-15",
          "window": {
            "start": {
              "local": "1953-11-15T06:20:56+08:00",
              "utc": "1953-11-14T22:20:56Z",
              "ms": -508988344050.67865
            },
            "end": {
              "local": "1953-11-15T09:58:28+08:00",
              "utc": "1953-11-15T01:58:28Z",
              "ms": -508975292226.85626
            }
          },
          "covered_min": 218,
          "window_min": 218,
          "qualifies": true
        },
        {
          "local_date": "1953-11-16",
          "window": {
            "start": {
              "local": "1953-11-16T06:21:39+08:00",
              "utc": "1953-11-15T22:21:39Z",
              "ms": -508901900596.0609
            },
            "end": {
              "local": "1953-11-16T09:58:49+08:00",
              "utc": "1953-11-16T01:58:49Z",
              "ms": -508888870825.27637
            }
          },
          "covered_min": 0,
          "window_min": 217,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 03:04 on Sun 15 Nov to 01:05 on Mon 16 Nov.",
          "fact": "1953-11-14T19:04:02Z → 1953-11-15T17:04:47Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:21–09:58 on the 15th, 06:22–09:59 on the 16th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 218 of 218 minutes on the 15th and 0 of 217 on the 16th.",
          "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 11814 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Fuzhou, 1953: Sunday 15 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": "1953-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 1953 falls on Sunday 15 November. Navamī runs from 03:04 on Sun 15 Nov to 01:05 on Mon 16 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29952,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1953-11-15T03:04:02+08:00",
          "utc": "1953-11-14T19:04:02Z",
          "ms": -509000158447.61487
        },
        "end": {
          "local": "1953-11-16T01:04:47+08:00",
          "utc": "1953-11-15T17:04:47Z",
          "ms": -508920912955.5048
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-15T03:04:02+08:00",
          "utc": "1953-11-14T19:04:02Z",
          "ms": -509000158447.61487
        },
        "end": {
          "local": "1953-11-16T01:04:47+08:00",
          "utc": "1953-11-15T17:04:47Z",
          "ms": -508920912955.5048
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-11-15",
          "window": {
            "start": {
              "local": "1953-11-15T11:23:14+08:00",
              "utc": "1953-11-15T03:23:14Z",
              "ms": -508970206314.94507
            },
            "end": {
              "local": "1953-11-15T12:11:14+08:00",
              "utc": "1953-11-15T04:11:14Z",
              "ms": -508967326314.94507
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-16",
          "window": {
            "start": {
              "local": "1953-11-16T11:23:24+08:00",
              "utc": "1953-11-16T03:23:24Z",
              "ms": -508883795939.88416
            },
            "end": {
              "local": "1953-11-16T12:11:24+08:00",
              "utc": "1953-11-16T04:11:24Z",
              "ms": -508880915939.88416
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 03:04 on Sun 15 Nov to 01:05 on Mon 16 Nov.",
          "fact": "1953-11-14T19:04:02Z → 1953-11-15T17:04:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 15th, 11:23–12:11 on the 16th.",
          "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 15th and 0 of 48 on the 16th.",
          "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 29952 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Fuzhou, 1953: Sunday 15 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": "1953-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Navamī 1953 falls on Sunday 15 November. Navamī runs from 03:04 on Sun 15 Nov to 01:05 on Mon 16 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-11-17",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27893,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-11-16T22:37:31+08:00",
          "utc": "1953-11-16T14:37:31Z",
          "ms": -508843349465.57367
        },
        "end": {
          "local": "1953-11-17T19:47:05+08:00",
          "utc": "1953-11-17T11:47:05Z",
          "ms": -508767174939.01483
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-16T22:37:31+08:00",
          "utc": "1953-11-16T14:37:31Z",
          "ms": -508843349465.57367
        },
        "end": {
          "local": "1953-11-17T19:47:05+08:00",
          "utc": "1953-11-17T11:47:05Z",
          "ms": -508767174939.01483
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-11-17",
          "window": {
            "start": {
              "local": "1953-11-17T06:22:23+08:00",
              "utc": "1953-11-16T22:22:23Z",
              "ms": -508815456933.40204
            },
            "end": {
              "local": "1953-11-17T06:22:23+08:00",
              "utc": "1953-11-16T22:22:23Z",
              "ms": -508815456933.40204
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-11-18",
          "window": {
            "start": {
              "local": "1953-11-18T06:23:07+08:00",
              "utc": "1953-11-17T22:23:07Z",
              "ms": -508729013083.2978
            },
            "end": {
              "local": "1953-11-18T06:23:07+08:00",
              "utc": "1953-11-17T22:23:07Z",
              "ms": -508729013083.2978
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:38 on Mon 16 Nov to 19:47 on Tue 17 Nov.",
          "fact": "1953-11-16T14:37:31Z → 1953-11-17T11:47:05Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:22 on the 17th and 06:23 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.",
          "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 27893 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Fuzhou, 1953: Tuesday 17 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": "1953-11-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Prabodhinī Ekādaśī 1953 falls on Tuesday 17 November. Ekādaśī runs from 22:38 on Mon 16 Nov to 19:47 on Tue 17 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-11-17",
      "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/1953/pradosha-vrata?on=1953-11-18",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1926,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-11-18T16:40:22+08:00",
          "utc": "1953-11-18T08:40:22Z",
          "ms": -508691978115.0795
        },
        "end": {
          "local": "1953-11-19T13:25:48+08:00",
          "utc": "1953-11-19T05:25:48Z",
          "ms": -508617252153.81744
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-18T16:40:22+08:00",
          "utc": "1953-11-18T08:40:22Z",
          "ms": -508691978115.0795
        },
        "end": {
          "local": "1953-11-19T13:25:48+08:00",
          "utc": "1953-11-19T05:25:48Z",
          "ms": -508617252153.81744
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-11-18",
          "window": {
            "start": {
              "local": "1953-11-18T17:12:28+08:00",
              "utc": "1953-11-18T09:12:28Z",
              "ms": -508690052355.182
            },
            "end": {
              "local": "1953-11-18T18:57:59+08:00",
              "utc": "1953-11-18T10:57:59Z",
              "ms": -508683721249.9508
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "1953-11-19",
          "window": {
            "start": {
              "local": "1953-11-19T17:12:09+08:00",
              "utc": "1953-11-19T09:12:09Z",
              "ms": -508603670690.4922
            },
            "end": {
              "local": "1953-11-19T18:57:49+08:00",
              "utc": "1953-11-19T10:57:49Z",
              "ms": -508597331251.9655
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:40 on Wed 18 Nov to 13:26 on Thu 19 Nov.",
          "fact": "1953-11-18T08:40:22Z → 1953-11-19T05:25:48Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–18:58 on the 18th, 17:12–18:58 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 18th and 0 of 106 on the 19th.",
          "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 1926 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Wednesday 18 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": "1953-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Wednesday 18 November. Trayodaśī runs from 16:40 on Wed 18 Nov to 13:26 on Thu 19 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-11-18",
      "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/1953/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4276,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-11-20T10:12:58+08:00",
          "utc": "1953-11-20T02:12:58Z",
          "ms": -508542421945.413
        },
        "end": {
          "local": "1953-11-21T07:12:06+08:00",
          "utc": "1953-11-20T23:12:06Z",
          "ms": -508466873677.41864
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-20T10:12:58+08:00",
          "utc": "1953-11-20T02:12:58Z",
          "ms": -508542421945.413
        },
        "end": {
          "local": "1953-11-21T07:12:06+08:00",
          "utc": "1953-11-20T23:12:06Z",
          "ms": -508466873677.41864
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-11-20",
          "window": {
            "start": {
              "local": "1953-11-20T11:24:14+08:00",
              "utc": "1953-11-20T03:24:14Z",
              "ms": -508538146219.7616
            },
            "end": {
              "local": "1953-11-20T12:12:14+08:00",
              "utc": "1953-11-20T04:12:14Z",
              "ms": -508535266219.7616
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-11-21",
          "window": {
            "start": {
              "local": "1953-11-21T11:24:28+08:00",
              "utc": "1953-11-21T03:24:28Z",
              "ms": -508451731746.66425
            },
            "end": {
              "local": "1953-11-21T12:12:28+08:00",
              "utc": "1953-11-21T04:12:28Z",
              "ms": -508448851746.66425
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:13 on Fri 20 Nov to 07:12 on Sat 21 Nov.",
          "fact": "1953-11-20T02:12:58Z → 1953-11-20T23:12:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 20th, 11:24–12:12 on the 21st.",
          "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 20th and 0 of 48 on the 21st.",
          "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 4276 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Fuzhou, 1953: Friday 20 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": "1953-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kārtikī Pūrṇimā 1953 falls on Friday 20 November. Pūrṇimā runs from 10:13 on Fri 20 Nov to 07:12 on Sat 21 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25170,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-11-20T10:12:58+08:00",
          "utc": "1953-11-20T02:12:58Z",
          "ms": -508542421945.413
        },
        "end": {
          "local": "1953-11-21T07:12:06+08:00",
          "utc": "1953-11-20T23:12:06Z",
          "ms": -508466873677.41864
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-20T10:12:58+08:00",
          "utc": "1953-11-20T02:12:58Z",
          "ms": -508542421945.413
        },
        "end": {
          "local": "1953-11-21T07:12:06+08:00",
          "utc": "1953-11-20T23:12:06Z",
          "ms": -508466873677.41864
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-11-19",
          "window": {
            "start": {
              "local": "1953-11-19T23:24:22+08:00",
              "utc": "1953-11-19T15:24:22Z",
              "ms": -508581337796.01715
            },
            "end": {
              "local": "1953-11-20T00:12:22+08:00",
              "utc": "1953-11-19T16:12:22Z",
              "ms": -508578457796.01715
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-11-20",
          "window": {
            "start": {
              "local": "1953-11-20T23:24:36+08:00",
              "utc": "1953-11-20T15:24:36Z",
              "ms": -508494924074.41956
            },
            "end": {
              "local": "1953-11-21T00:12:36+08:00",
              "utc": "1953-11-20T16:12:36Z",
              "ms": -508492044074.41956
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:13 on Fri 20 Nov to 07:12 on Sat 21 Nov.",
          "fact": "1953-11-20T02:12:58Z → 1953-11-20T23:12:06Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 19th, 23:25–00:13 on the 20th.",
          "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 19th and 48 of 48 on the 20th.",
          "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 25170 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Fuzhou, 1953: Friday 20 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": "1953-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāsayātrā 1953 falls on Friday 20 November. Pūrṇimā runs from 10:13 on Fri 20 Nov to 07:12 on Sat 21 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-11-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-11-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14371,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-11-24T01:01:13+08:00",
          "utc": "1953-11-23T17:01:13Z",
          "ms": -508229927051.4432
        },
        "end": {
          "local": "1953-11-25T00:22:09+08:00",
          "utc": "1953-11-24T16:22:09Z",
          "ms": -508145871446.78625
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-11-24T01:01:13+08:00",
          "utc": "1953-11-23T17:01:13Z",
          "ms": -508229927051.4432
        },
        "end": {
          "local": "1953-11-25T00:22:09+08:00",
          "utc": "1953-11-24T16:22:09Z",
          "ms": -508145871446.78625
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-11-23",
          "window": {
            "start": {
              "local": "1953-11-23T19:20:24+08:00",
              "utc": "1953-11-23T11:20:24Z",
              "ms": -508250375555.1823
            },
            "end": {
              "local": "1953-11-23T19:20:24+08:00",
              "utc": "1953-11-23T11:20:24Z",
              "ms": -508250375555.1823
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-11-24",
          "window": {
            "start": {
              "local": "1953-11-24T20:22:37+08:00",
              "utc": "1953-11-24T12:22:37Z",
              "ms": -508160242891.2459
            },
            "end": {
              "local": "1953-11-24T20:22:37+08:00",
              "utc": "1953-11-24T12:22:37Z",
              "ms": -508160242891.2459
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:01 on Tue 24 Nov to 00:22 on Wed 25 Nov.",
          "fact": "1953-11-23T17:01:13Z → 1953-11-24T16:22:09Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:20 on the 23rd and 20:23 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 14371 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Tuesday 24 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": "1953-11-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-11-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Tuesday 24 November. Caturthī runs from 01:01 on Tue 24 Nov to 00:22 on Wed 25 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-11-24",
      "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/1953/ekadashi?on=1953-12-02",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14364,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-12-01T10:32:08+08:00",
          "utc": "1953-12-01T02:32:08Z",
          "ms": -507590872140.06323
        },
        "end": {
          "local": "1953-12-02T12:58:22+08:00",
          "utc": "1953-12-02T04:58:22Z",
          "ms": -507495697635.2996
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-01T10:32:08+08:00",
          "utc": "1953-12-01T02:32:08Z",
          "ms": -507590872140.06323
        },
        "end": {
          "local": "1953-12-02T12:58:22+08:00",
          "utc": "1953-12-02T04:58:22Z",
          "ms": -507495697635.2996
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-12-01",
          "window": {
            "start": {
              "local": "1953-12-01T06:32:43+08:00",
              "utc": "1953-11-30T22:32:43Z",
              "ms": -507605236562.9754
            },
            "end": {
              "local": "1953-12-01T06:32:43+08:00",
              "utc": "1953-11-30T22:32:43Z",
              "ms": -507605236562.9754
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-12-02",
          "window": {
            "start": {
              "local": "1953-12-02T06:33:27+08:00",
              "utc": "1953-12-01T22:33:27Z",
              "ms": -507518792756.82385
            },
            "end": {
              "local": "1953-12-02T06:33:27+08:00",
              "utc": "1953-12-01T22:33:27Z",
              "ms": -507518792756.82385
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:32 on Tue 1 Dec to 12:58 on Wed 2 Dec.",
          "fact": "1953-12-01T02:32:08Z → 1953-12-02T04:58:22Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:33 on the 1st and 06:33 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is 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 14364 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Fuzhou, 1953: Wednesday 2 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": "1953-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Utpannā Ekādaśī 1953 falls on Wednesday 2 December. Ekādaśī runs from 10:32 on Tue 1 Dec to 12:58 on Wed 2 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-12-02",
      "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/1953/pradosha-vrata?on=1953-12-03",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1368,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-12-03T15:05:42+08:00",
          "utc": "1953-12-03T07:05:42Z",
          "ms": -507401657928.44415
        },
        "end": {
          "local": "1953-12-04T16:47:51+08:00",
          "utc": "1953-12-04T08:47:51Z",
          "ms": -507309129430.94977
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-03T15:05:42+08:00",
          "utc": "1953-12-03T07:05:42Z",
          "ms": -507401657928.44415
        },
        "end": {
          "local": "1953-12-04T16:47:51+08:00",
          "utc": "1953-12-04T08:47:51Z",
          "ms": -507309129430.94977
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-12-03",
          "window": {
            "start": {
              "local": "1953-12-03T17:10:34+08:00",
              "utc": "1953-12-03T09:10:34Z",
              "ms": -507394166151.9818
            },
            "end": {
              "local": "1953-12-03T18:57:49+08:00",
              "utc": "1953-12-03T10:57:49Z",
              "ms": -507387731459.8747
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "1953-12-04",
          "window": {
            "start": {
              "local": "1953-12-04T17:10:39+08:00",
              "utc": "1953-12-04T09:10:39Z",
              "ms": -507307761270.95886
            },
            "end": {
              "local": "1953-12-04T18:57:58+08:00",
              "utc": "1953-12-04T10:57:58Z",
              "ms": -507301321508.9083
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:06 on Thu 3 Dec to 16:48 on Fri 4 Dec.",
          "fact": "1953-12-03T07:05:42Z → 1953-12-04T08:47:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:58 on the 3rd, 17:11–18:58 on the 4th.",
          "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 3rd and 0 of 107 on the 4th.",
          "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 1368 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1953: Thursday 3 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": "1953-12-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1953 falls on Thursday 3 December. Trayodaśī runs from 15:06 on Thu 3 Dec to 16:48 on Fri 4 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-12-03",
      "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/1953/shivaratri?on=1953-12-04",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19654,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1953-12-04T16:47:51+08:00",
          "utc": "1953-12-04T08:47:51Z",
          "ms": -507309129430.94977
        },
        "end": {
          "local": "1953-12-05T18:01:59+08:00",
          "utc": "1953-12-05T10:01:59Z",
          "ms": -507218281231.86914
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-04T16:47:51+08:00",
          "utc": "1953-12-04T08:47:51Z",
          "ms": -507309129430.94977
        },
        "end": {
          "local": "1953-12-05T18:01:59+08:00",
          "utc": "1953-12-05T10:01:59Z",
          "ms": -507218281231.86914
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1953-12-04",
          "window": {
            "start": {
              "local": "1953-12-04T23:29:08+08:00",
              "utc": "1953-12-04T15:29:08Z",
              "ms": -507285052163.26935
            },
            "end": {
              "local": "1953-12-05T00:17:08+08:00",
              "utc": "1953-12-04T16:17:08Z",
              "ms": -507282172163.26935
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-12-05",
          "window": {
            "start": {
              "local": "1953-12-05T23:29:32+08:00",
              "utc": "1953-12-05T15:29:32Z",
              "ms": -507198627693.9451
            },
            "end": {
              "local": "1953-12-06T00:17:32+08:00",
              "utc": "1953-12-05T16:17:32Z",
              "ms": -507195747693.9451
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:48 on Fri 4 Dec to 18:02 on Sat 5 Dec.",
          "fact": "1953-12-04T08:47:51Z → 1953-12-05T10:01:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 4th, 23:30–00:18 on the 5th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19654 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1953: Friday 4 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": "1953-12-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1953 falls on Friday 4 December. Caturdaśī runs from 16:48 on Fri 4 Dec to 18:02 on Sat 5 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/shivaratri?on=1953-12-04",
      "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/1953/vinayaka-chaturthi?on=1953-12-10",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19590,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-12-09T18:34:13+08:00",
          "utc": "1953-12-09T10:34:13Z",
          "ms": -506870747299.79626
        },
        "end": {
          "local": "1953-12-10T17:45:52+08:00",
          "utc": "1953-12-10T09:45:52Z",
          "ms": -506787247802.8269
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-09T18:34:13+08:00",
          "utc": "1953-12-09T10:34:13Z",
          "ms": -506870747299.79626
        },
        "end": {
          "local": "1953-12-10T17:45:52+08:00",
          "utc": "1953-12-10T09:45:52Z",
          "ms": -506787247802.8269
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-12-09",
          "window": {
            "start": {
              "local": "1953-12-09T11:30:55+08:00",
              "utc": "1953-12-09T03:30:55Z",
              "ms": -506896144914.54834
            },
            "end": {
              "local": "1953-12-09T12:18:55+08:00",
              "utc": "1953-12-09T04:18:55Z",
              "ms": -506893264914.54834
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-12-10",
          "window": {
            "start": {
              "local": "1953-12-10T11:31:22+08:00",
              "utc": "1953-12-10T03:31:22Z",
              "ms": -506809717715.0038
            },
            "end": {
              "local": "1953-12-10T12:19:22+08:00",
              "utc": "1953-12-10T04:19:22Z",
              "ms": -506806837715.0038
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:34 on Wed 9 Dec to 17:46 on Thu 10 Dec.",
          "fact": "1953-12-09T10:34:13Z → 1953-12-10T09:45:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 9th, 11:31–12:19 on the 10th.",
          "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 9th and 48 of 48 on the 10th.",
          "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 19590 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1953: Thursday 10 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": "1953-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1953 falls on Thursday 10 December. Caturthī runs from 18:34 on Wed 9 Dec to 17:46 on Thu 10 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/vinayaka-chaturthi?on=1953-12-10",
      "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/1953/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15498,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1953-12-10T17:45:52+08:00",
          "utc": "1953-12-10T09:45:52Z",
          "ms": -506787247802.8269
        },
        "end": {
          "local": "1953-12-11T16:38:08+08:00",
          "utc": "1953-12-11T08:38:08Z",
          "ms": -506704912490.2496
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-10T17:45:52+08:00",
          "utc": "1953-12-10T09:45:52Z",
          "ms": -506787247802.8269
        },
        "end": {
          "local": "1953-12-11T16:38:08+08:00",
          "utc": "1953-12-11T08:38:08Z",
          "ms": -506704912490.2496
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-12-10",
          "window": {
            "start": {
              "local": "1953-12-10T11:31:22+08:00",
              "utc": "1953-12-10T03:31:22Z",
              "ms": -506809717715.0038
            },
            "end": {
              "local": "1953-12-10T12:19:22+08:00",
              "utc": "1953-12-10T04:19:22Z",
              "ms": -506806837715.0038
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-12-11",
          "window": {
            "start": {
              "local": "1953-12-11T11:31:50+08:00",
              "utc": "1953-12-11T03:31:50Z",
              "ms": -506723290105.46704
            },
            "end": {
              "local": "1953-12-11T12:19:50+08:00",
              "utc": "1953-12-11T04:19:50Z",
              "ms": -506720410105.46704
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 17:46 on Thu 10 Dec to 16:38 on Fri 11 Dec.",
          "fact": "1953-12-10T09:45:52Z → 1953-12-11T08:38:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 10th, 11:32–12:20 on the 11th.",
          "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 10th and 48 of 48 on the 11th.",
          "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 15498 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 1953: Friday 11 December.",
          "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": "1953-12-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 1953 falls on Friday 11 December. Pañcamī runs from 17:46 on Thu 10 Dec to 16:38 on Fri 11 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10297,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1953-12-11T16:38:08+08:00",
          "utc": "1953-12-11T08:38:08Z",
          "ms": -506704912490.2496
        },
        "end": {
          "local": "1953-12-12T15:11:55+08:00",
          "utc": "1953-12-12T07:11:55Z",
          "ms": -506623685294.2605
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-11T16:38:08+08:00",
          "utc": "1953-12-11T08:38:08Z",
          "ms": -506704912490.2496
        },
        "end": {
          "local": "1953-12-12T15:11:55+08:00",
          "utc": "1953-12-12T07:11:55Z",
          "ms": -506623685294.2605
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-12-11",
          "window": {
            "start": {
              "local": "1953-12-11T11:31:50+08:00",
              "utc": "1953-12-11T03:31:50Z",
              "ms": -506723290105.46704
            },
            "end": {
              "local": "1953-12-11T12:19:50+08:00",
              "utc": "1953-12-11T04:19:50Z",
              "ms": -506720410105.46704
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-12-12",
          "window": {
            "start": {
              "local": "1953-12-12T11:32:18+08:00",
              "utc": "1953-12-12T03:32:18Z",
              "ms": -506636862119.34985
            },
            "end": {
              "local": "1953-12-12T12:20:18+08:00",
              "utc": "1953-12-12T04:20:18Z",
              "ms": -506633982119.34985
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 16:38 on Fri 11 Dec to 15:12 on Sat 12 Dec.",
          "fact": "1953-12-11T08:38:08Z → 1953-12-12T07:11:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 11th, 11:32–12:20 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "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 10297 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Fuzhou, 1953: Saturday 12 December.",
          "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": "1953-12-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Campā Ṣaṣṭhī 1953 falls on Saturday 12 December. Ṣaṣṭhī runs from 16:38 on Fri 11 Dec to 15:12 on Sat 12 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10297,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1953-12-11T16:38:08+08:00",
          "utc": "1953-12-11T08:38:08Z",
          "ms": -506704912490.2496
        },
        "end": {
          "local": "1953-12-12T15:11:55+08:00",
          "utc": "1953-12-12T07:11:55Z",
          "ms": -506623685294.2605
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-11T16:38:08+08:00",
          "utc": "1953-12-11T08:38:08Z",
          "ms": -506704912490.2496
        },
        "end": {
          "local": "1953-12-12T15:11:55+08:00",
          "utc": "1953-12-12T07:11:55Z",
          "ms": -506623685294.2605
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-12-11",
          "window": {
            "start": {
              "local": "1953-12-11T11:31:50+08:00",
              "utc": "1953-12-11T03:31:50Z",
              "ms": -506723290105.46704
            },
            "end": {
              "local": "1953-12-11T12:19:50+08:00",
              "utc": "1953-12-11T04:19:50Z",
              "ms": -506720410105.46704
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-12-12",
          "window": {
            "start": {
              "local": "1953-12-12T11:32:18+08:00",
              "utc": "1953-12-12T03:32:18Z",
              "ms": -506636862119.34985
            },
            "end": {
              "local": "1953-12-12T12:20:18+08:00",
              "utc": "1953-12-12T04:20:18Z",
              "ms": -506633982119.34985
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 16:38 on Fri 11 Dec to 15:12 on Sat 12 Dec.",
          "fact": "1953-12-11T08:38:08Z → 1953-12-12T07:11:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 11th, 11:32–12:20 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "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 10297 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Fuzhou, 1953: Saturday 12 December.",
          "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": "1953-12-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī 1953 falls on Saturday 12 December. Ṣaṣṭhī runs from 16:38 on Fri 11 Dec to 15:12 on Sat 12 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4047,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1953-12-12T15:11:55+08:00",
          "utc": "1953-12-12T07:11:55Z",
          "ms": -506623685294.2605
        },
        "end": {
          "local": "1953-12-13T13:28:13+08:00",
          "utc": "1953-12-13T05:28:13Z",
          "ms": -506543507075.44885
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-12T15:11:55+08:00",
          "utc": "1953-12-12T07:11:55Z",
          "ms": -506623685294.2605
        },
        "end": {
          "local": "1953-12-13T13:28:13+08:00",
          "utc": "1953-12-13T05:28:13Z",
          "ms": -506543507075.44885
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-12-12",
          "window": {
            "start": {
              "local": "1953-12-12T11:32:18+08:00",
              "utc": "1953-12-12T03:32:18Z",
              "ms": -506636862119.34985
            },
            "end": {
              "local": "1953-12-12T12:20:18+08:00",
              "utc": "1953-12-12T04:20:18Z",
              "ms": -506633982119.34985
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1953-12-13",
          "window": {
            "start": {
              "local": "1953-12-13T11:32:46+08:00",
              "utc": "1953-12-13T03:32:46Z",
              "ms": -506550433789.8226
            },
            "end": {
              "local": "1953-12-13T12:20:46+08:00",
              "utc": "1953-12-13T04:20:46Z",
              "ms": -506547553789.8226
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 15:12 on Sat 12 Dec to 13:28 on Sun 13 Dec.",
          "fact": "1953-12-12T07:11:55Z → 1953-12-13T05:28:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 12th, 11:33–12:21 on the 13th.",
          "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 12th and 48 of 48 on the 13th.",
          "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 4047 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Fuzhou, 1953: Sunday 13 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": "1953-12-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mitra Saptamī 1953 falls on Sunday 13 December. Saptamī runs from 15:12 on Sat 12 Dec to 13:28 on Sun 13 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/ekadashi?on=1953-12-16",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 525,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1953-12-16T06:51:38+08:00",
          "utc": "1953-12-15T22:51:38Z",
          "ms": -506308101699.32416
        },
        "end": {
          "local": "1953-12-17T04:22:43+08:00",
          "utc": "1953-12-16T20:22:43Z",
          "ms": -506230637031.94763
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-16T06:51:38+08:00",
          "utc": "1953-12-15T22:51:38Z",
          "ms": -506308101699.32416
        },
        "end": {
          "local": "1953-12-17T04:22:43+08:00",
          "utc": "1953-12-16T20:22:43Z",
          "ms": -506230637031.94763
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1953-12-16",
          "window": {
            "start": {
              "local": "1953-12-16T06:42:54+08:00",
              "utc": "1953-12-15T22:42:54Z",
              "ms": -506308626431.9825
            },
            "end": {
              "local": "1953-12-16T06:42:54+08:00",
              "utc": "1953-12-15T22:42:54Z",
              "ms": -506308626431.9825
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1953-12-17",
          "window": {
            "start": {
              "local": "1953-12-17T06:43:29+08:00",
              "utc": "1953-12-16T22:43:29Z",
              "ms": -506222191082.74805
            },
            "end": {
              "local": "1953-12-17T06:43:29+08:00",
              "utc": "1953-12-16T22:43:29Z",
              "ms": -506222191082.74805
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:52 on Wed 16 Dec to 04:23 on Thu 17 Dec.",
          "fact": "1953-12-15T22:51:38Z → 1953-12-16T20:22:43Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:43 on the 16th and 06:43 on the 17th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is not on the 17th.",
          "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 525 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Fuzhou, 1953: Wednesday 16 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": "1953-12-16",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mokṣadā Ekādaśī 1953 falls on Wednesday 16 December. Ekādaśī runs from 06:52 on Wed 16 Dec to 04:23 on Thu 17 Dec, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/ekadashi?on=1953-12-16",
      "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/1953/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25919,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1953-12-17T04:22:43+08:00",
          "utc": "1953-12-16T20:22:43Z",
          "ms": -506230637031.94763
        },
        "end": {
          "local": "1953-12-18T01:54:18+08:00",
          "utc": "1953-12-17T17:54:18Z",
          "ms": -506153142254.8615
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-17T04:22:43+08:00",
          "utc": "1953-12-16T20:22:43Z",
          "ms": -506230637031.94763
        },
        "end": {
          "local": "1953-12-18T01:54:18+08:00",
          "utc": "1953-12-17T17:54:18Z",
          "ms": -506153142254.8615
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1953-12-17",
          "window": {
            "start": {
              "local": "1953-12-17T11:34:42+08:00",
              "utc": "1953-12-17T03:34:42Z",
              "ms": -506204717680.49304
            },
            "end": {
              "local": "1953-12-17T12:22:42+08:00",
              "utc": "1953-12-17T04:22:42Z",
              "ms": -506201837680.49304
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1953-12-18",
          "window": {
            "start": {
              "local": "1953-12-18T11:35:12+08:00",
              "utc": "1953-12-18T03:35:12Z",
              "ms": -506118288109.68195
            },
            "end": {
              "local": "1953-12-18T12:23:12+08:00",
              "utc": "1953-12-18T04:23:12Z",
              "ms": -506115408109.68195
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 04:23 on Thu 17 Dec to 01:54 on Fri 18 Dec.",
          "fact": "1953-12-16T20:22:43Z → 1953-12-17T17:54:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 17th, 11:35–12:23 on the 18th.",
          "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 17th and 0 of 48 on the 18th.",
          "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 25919 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Fuzhou, 1953: Thursday 17 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": "1953-12-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 1953 falls on Thursday 17 December. Dvādaśī runs from 04:23 on Thu 17 Dec to 01:54 on Fri 18 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/pradosha-vrata?on=1953-12-18",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16252,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1953-12-18T01:54:18+08:00",
          "utc": "1953-12-17T17:54:18Z",
          "ms": -506153142254.8615
        },
        "end": {
          "local": "1953-12-18T23:33:15+08:00",
          "utc": "1953-12-18T15:33:15Z",
          "ms": -506075205158.38226
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-18T01:54:18+08:00",
          "utc": "1953-12-17T17:54:18Z",
          "ms": -506153142254.8615
        },
        "end": {
          "local": "1953-12-18T23:33:15+08:00",
          "utc": "1953-12-18T15:33:15Z",
          "ms": -506075205158.38226
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-12-17",
          "window": {
            "start": {
              "local": "1953-12-17T17:13:56+08:00",
              "utc": "1953-12-17T09:13:56Z",
              "ms": -506184364278.23804
            },
            "end": {
              "local": "1953-12-17T19:01:57+08:00",
              "utc": "1953-12-17T11:01:57Z",
              "ms": -506177883258.12744
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "1953-12-18",
          "window": {
            "start": {
              "local": "1953-12-18T17:14:20+08:00",
              "utc": "1953-12-18T09:14:20Z",
              "ms": -506097939591.9552
            },
            "end": {
              "local": "1953-12-18T19:02:23+08:00",
              "utc": "1953-12-18T11:02:23Z",
              "ms": -506091457392.9919
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:54 on Fri 18 Dec to 23:33 on Fri 18 Dec.",
          "fact": "1953-12-17T17:54:18Z → 1953-12-18T15:33:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–19:02 on the 17th, 17:14–19:02 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 0 of 108 minutes on the 17th and 108 of 108 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 16252 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1953: Friday 18 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": "1953-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1953 falls on Friday 18 December. Trayodaśī runs from 01:54 on Fri 18 Dec to 23:33 on Fri 18 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/pradosha-vrata?on=1953-12-18",
      "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/1953/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2411,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1953-12-19T21:27:04+08:00",
          "utc": "1953-12-19T13:27:04Z",
          "ms": -505996375666.0496
        },
        "end": {
          "local": "1953-12-20T19:43:28+08:00",
          "utc": "1953-12-20T11:43:28Z",
          "ms": -505916191900.03516
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-19T21:27:04+08:00",
          "utc": "1953-12-19T13:27:04Z",
          "ms": -505996375666.0496
        },
        "end": {
          "local": "1953-12-20T19:43:28+08:00",
          "utc": "1953-12-20T11:43:28Z",
          "ms": -505916191900.03516
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1953-12-19",
          "window": {
            "start": {
              "local": "1953-12-19T17:14:46+08:00",
              "utc": "1953-12-19T09:14:46Z",
              "ms": -506011513662.1773
            },
            "end": {
              "local": "1953-12-19T19:02:49+08:00",
              "utc": "1953-12-19T11:02:49Z",
              "ms": -506005030578.2262
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "1953-12-20",
          "window": {
            "start": {
              "local": "1953-12-20T17:15:13+08:00",
              "utc": "1953-12-20T09:15:13Z",
              "ms": -505925086514.36475
            },
            "end": {
              "local": "1953-12-20T19:03:17+08:00",
              "utc": "1953-12-20T11:03:17Z",
              "ms": -505918602840.1947
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 21:27 on Sat 19 Dec to 19:43 on Sun 20 Dec.",
          "fact": "1953-12-19T13:27:04Z → 1953-12-20T11:43:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:03 on the 19th, 17:15–19:03 on the 20th.",
          "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 19th and 108 of 108 on the 20th.",
          "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 2411 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Fuzhou, 1953: Sunday 20 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": "1953-12-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 1953 falls on Sunday 20 December. Pūrṇimā runs from 21:27 on Sat 19 Dec to 19:43 on Sun 20 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/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/1953/sankashta-chaturthi?on=1953-12-23",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1953,
      "local_date": "1953-12-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7820,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1953-12-23T17:55:23+08:00",
          "utc": "1953-12-23T09:55:23Z",
          "ms": -505663477119.90045
        },
        "end": {
          "local": "1953-12-24T18:40:38+08:00",
          "utc": "1953-12-24T10:40:38Z",
          "ms": -505574361555.7971
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1953-12-23T17:55:23+08:00",
          "utc": "1953-12-23T09:55:23Z",
          "ms": -505663477119.90045
        },
        "end": {
          "local": "1953-12-24T18:40:38+08:00",
          "utc": "1953-12-24T10:40:38Z",
          "ms": -505574361555.7971
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1953-12-23",
          "window": {
            "start": {
              "local": "1953-12-23T20:05:43+08:00",
              "utc": "1953-12-23T12:05:43Z",
              "ms": -505655656967.2212
            },
            "end": {
              "local": "1953-12-23T20:05:43+08:00",
              "utc": "1953-12-23T12:05:43Z",
              "ms": -505655656967.2212
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1953-12-24",
          "window": {
            "start": {
              "local": "1953-12-24T21:02:17+08:00",
              "utc": "1953-12-24T13:02:17Z",
              "ms": -505565862508.7441
            },
            "end": {
              "local": "1953-12-24T21:02:17+08:00",
              "utc": "1953-12-24T13:02:17Z",
              "ms": -505565862508.7441
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:55 on Wed 23 Dec to 18:41 on Thu 24 Dec.",
          "fact": "1953-12-23T09:55:23Z → 1953-12-24T10:40:38Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:06 on the 23rd and 21:02 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 23rd and is not 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 7820 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1953: Wednesday 23 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": "1953-12-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1953-12-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1953 falls on Wednesday 23 December. Caturthī runs from 17:55 on Wed 23 Dec to 18:41 on Thu 24 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1953/sankashta-chaturthi?on=1953-12-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    }
  ],
  "engine": {
    "version": "0.1.0",
    "ruleset": "2026.3-draft",
    "kernel": "de440-1900-2100",
    "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
    "tzdata": "2026f"
  }
}
