{
  "id": "/fuzhou/festivals/1974",
  "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": 1974,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/fuzhou/festivals/1974/ekadashi?on=1974-01-05",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11036,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-01-04T12:02:06+08:00",
          "utc": "1974-01-04T04:02:06Z",
          "ms": 126504125639.53777
        },
        "end": {
          "local": "1974-01-05T09:55:08+08:00",
          "utc": "1974-01-05T01:55:08Z",
          "ms": 126582908418.57901
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-04T12:02:06+08:00",
          "utc": "1974-01-04T04:02:06Z",
          "ms": 126504125639.53777
        },
        "end": {
          "local": "1974-01-05T09:55:08+08:00",
          "utc": "1974-01-05T01:55:08Z",
          "ms": 126582908418.57901
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-01-04",
          "window": {
            "start": {
              "local": "1974-01-04T06:50:59+08:00",
              "utc": "1974-01-03T22:50:59Z",
              "ms": 126485459403.22859
            },
            "end": {
              "local": "1974-01-04T06:50:59+08:00",
              "utc": "1974-01-03T22:50:59Z",
              "ms": 126485459403.22859
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-01-05",
          "window": {
            "start": {
              "local": "1974-01-05T06:51:12+08:00",
              "utc": "1974-01-04T22:51:12Z",
              "ms": 126571872192.28513
            },
            "end": {
              "local": "1974-01-05T06:51:12+08:00",
              "utc": "1974-01-04T22:51:12Z",
              "ms": 126571872192.28513
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:02 on Fri 4 Jan to 09:55 on Sat 5 Jan.",
          "fact": "1974-01-04T04:02:06Z → 1974-01-05T01:55:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:51 on the 4th and 06:51 on the 5th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.",
          "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 11036 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 1974: Saturday 5 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": "1974-01-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 1974 falls on Saturday 5 January. Ekādaśī runs from 12:02 on Fri 4 Jan to 09:55 on Sat 5 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-01-05",
      "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/1974/pradosha-vrata?on=1974-01-06",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31445,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-01-06T07:10:59+08:00",
          "utc": "1974-01-05T23:10:59Z",
          "ms": 126659459352.6737
        },
        "end": {
          "local": "1974-01-07T03:57:06+08:00",
          "utc": "1974-01-06T19:57:06Z",
          "ms": 126734225700.67131
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-06T07:10:59+08:00",
          "utc": "1974-01-05T23:10:59Z",
          "ms": 126659459352.6737
        },
        "end": {
          "local": "1974-01-07T03:57:06+08:00",
          "utc": "1974-01-06T19:57:06Z",
          "ms": 126734225700.67131
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-01-05",
          "window": {
            "start": {
              "local": "1974-01-05T17:24:50+08:00",
              "utc": "1974-01-05T09:24:50Z",
              "ms": 126609890136.23967
            },
            "end": {
              "local": "1974-01-05T19:12:23+08:00",
              "utc": "1974-01-05T11:12:23Z",
              "ms": 126616342589.20299
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "1974-01-06",
          "window": {
            "start": {
              "local": "1974-01-06T17:25:33+08:00",
              "utc": "1974-01-06T09:25:33Z",
              "ms": 126696332671.543
            },
            "end": {
              "local": "1974-01-06T19:13:01+08:00",
              "utc": "1974-01-06T11:13:01Z",
              "ms": 126702780770.69092
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:11 on Sun 6 Jan to 03:57 on Mon 7 Jan.",
          "fact": "1974-01-05T23:10:59Z → 1974-01-06T19:57:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:12 on the 5th, 17:26–19:13 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 0 of 108 minutes on the 5th and 107 of 107 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 31445 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Sunday 6 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": "1974-01-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Sunday 6 January. Trayodaśī runs from 07:11 on Sun 6 Jan to 03:57 on Mon 7 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-01-06",
      "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/1974/sankashta-chaturthi?on=1974-01-11",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37437,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-01-11T09:55:06+08:00",
          "utc": "1974-01-11T01:55:06Z",
          "ms": 127101306463.6495
        },
        "end": {
          "local": "1974-01-12T07:07:48+08:00",
          "utc": "1974-01-11T23:07:48Z",
          "ms": 127177668303.00674
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-11T09:55:06+08:00",
          "utc": "1974-01-11T01:55:06Z",
          "ms": 127101306463.6495
        },
        "end": {
          "local": "1974-01-12T07:07:48+08:00",
          "utc": "1974-01-11T23:07:48Z",
          "ms": 127177668303.00674
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-01-10",
          "window": {
            "start": {
              "local": "1974-01-10T19:38:27+08:00",
              "utc": "1974-01-10T11:38:27Z",
              "ms": 127049906569.36794
            },
            "end": {
              "local": "1974-01-10T19:38:27+08:00",
              "utc": "1974-01-10T11:38:27Z",
              "ms": 127049906569.36794
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-01-11",
          "window": {
            "start": {
              "local": "1974-01-11T20:43:52+08:00",
              "utc": "1974-01-11T12:43:52Z",
              "ms": 127140231750.93533
            },
            "end": {
              "local": "1974-01-11T20:43:52+08:00",
              "utc": "1974-01-11T12:43:52Z",
              "ms": 127140231750.93533
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:55 on Fri 11 Jan to 07:08 on Sat 12 Jan.",
          "fact": "1974-01-11T01:55:06Z → 1974-01-11T23:07:48Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:38 on the 10th and 20:44 on the 11th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 10th and is on the 11th.",
          "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 37437 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Friday 11 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-01-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Friday 11 January. Caturthī runs from 09:55 on Fri 11 Jan to 07:08 on Sat 12 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-01-11",
      "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/1974/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28647,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        },
        "end": {
          "local": "1974-02-12T22:31:59+08:00",
          "utc": "1974-02-12T14:31:59Z",
          "ms": 129911518541.18425
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        },
        "end": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1974-01-14",
          "window": {
            "start": {
              "local": "1974-01-13T17:30:43+08:00",
              "utc": "1974-01-13T09:30:43Z",
              "ms": 127301443080.41841
            },
            "end": {
              "local": "1974-01-14T17:31:29+08:00",
              "utc": "1974-01-14T09:31:29Z",
              "ms": 127387888821.65128
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1974-01-15",
          "window": {
            "start": {
              "local": "1974-01-14T17:31:29+08:00",
              "utc": "1974-01-14T09:31:29Z",
              "ms": 127387888821.65128
            },
            "end": {
              "local": "1974-01-15T17:32:15+08:00",
              "utc": "1974-01-15T09:32:15Z",
              "ms": 127474334805.26868
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "1974-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:34 on Mon 14 Jan.",
          "fact": "1974-01-14T01:34:01Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 28647 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Monday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Fuzhou, 1974: Sunday 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": "1974-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1974-01-13",
          "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": "1974-01-13",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Fuzhou, Bhogi 1974 falls on Sunday 13 January. It is kept the day before Pongal, which falls on Monday 14 January. The Sun enters Makara at 09:34 on Mon 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28647,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        },
        "end": {
          "local": "1974-02-12T22:31:59+08:00",
          "utc": "1974-02-12T14:31:59Z",
          "ms": 129911518541.18425
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        },
        "end": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1974-01-14",
          "window": {
            "start": {
              "local": "1974-01-13T17:30:43+08:00",
              "utc": "1974-01-13T09:30:43Z",
              "ms": 127301443080.41841
            },
            "end": {
              "local": "1974-01-14T17:31:29+08:00",
              "utc": "1974-01-14T09:31:29Z",
              "ms": 127387888821.65128
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1974-01-15",
          "window": {
            "start": {
              "local": "1974-01-14T17:31:29+08:00",
              "utc": "1974-01-14T09:31:29Z",
              "ms": 127387888821.65128
            },
            "end": {
              "local": "1974-01-15T17:32:15+08:00",
              "utc": "1974-01-15T09:32:15Z",
              "ms": 127474334805.26868
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:34 on Mon 14 Jan.",
          "fact": "1974-01-14T01:34:01Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 28647 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Fuzhou, 1974: Monday 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": "1974-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1974-01-14",
          "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": "1974-01-14",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Fuzhou, Pongal 1974 falls on Monday 14 January. The Sun enters Makara at 09:34 on Mon 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34441,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        },
        "end": {
          "local": "1974-02-12T22:31:59+08:00",
          "utc": "1974-02-12T14:31:59Z",
          "ms": 129911518541.18425
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        },
        "end": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "1974-01-13",
          "window": {
            "start": {
              "local": "1974-01-13T00:00:00+08:00",
              "utc": "1974-01-12T16:00:00Z",
              "ms": 127238400000
            },
            "end": {
              "local": "1974-01-14T00:00:00+08:00",
              "utc": "1974-01-13T16:00:00Z",
              "ms": 127324800000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "1974-01-14",
          "window": {
            "start": {
              "local": "1974-01-14T00:00:00+08:00",
              "utc": "1974-01-13T16:00:00Z",
              "ms": 127324800000
            },
            "end": {
              "local": "1974-01-15T00:00:00+08:00",
              "utc": "1974-01-14T16:00:00Z",
              "ms": 127411200000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:34 on Mon 14 Jan.",
          "fact": "1974-01-14T01:34:01Z · 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 34441 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Fuzhou, 1974: Monday 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": "1974-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "1974-01-14",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "1974-01-14",
          "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 1974 falls on Monday 14 January. The Sun enters Makara at 09:34 on Mon 14 Jan, and the rule counts the day from midnight.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28647,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        },
        "end": {
          "local": "1974-02-12T22:31:59+08:00",
          "utc": "1974-02-12T14:31:59Z",
          "ms": 129911518541.18425
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        },
        "end": {
          "local": "1974-01-14T09:34:01+08:00",
          "utc": "1974-01-14T01:34:01Z",
          "ms": 127359241333.09714
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1974-01-14",
          "window": {
            "start": {
              "local": "1974-01-13T17:30:43+08:00",
              "utc": "1974-01-13T09:30:43Z",
              "ms": 127301443080.41841
            },
            "end": {
              "local": "1974-01-14T17:31:29+08:00",
              "utc": "1974-01-14T09:31:29Z",
              "ms": 127387888821.65128
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1974-01-15",
          "window": {
            "start": {
              "local": "1974-01-14T17:31:29+08:00",
              "utc": "1974-01-14T09:31:29Z",
              "ms": 127387888821.65128
            },
            "end": {
              "local": "1974-01-15T17:32:15+08:00",
              "utc": "1974-01-15T09:32:15Z",
              "ms": 127474334805.26868
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "1974-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:34 on Mon 14 Jan.",
          "fact": "1974-01-14T01:34:01Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 28647 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Monday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Fuzhou, 1974: Tuesday 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": "1974-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1974-01-15",
          "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": "1974-01-15",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Fuzhou, Mattu Pongal 1974 falls on Tuesday 15 January. It is kept the day after Pongal, which falls on Monday 14 January. The Sun enters Makara at 09:34 on Mon 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-01-19",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2826,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-01-18T06:04:38+08:00",
          "utc": "1974-01-17T22:04:38Z",
          "ms": 127692278060.18674
        },
        "end": {
          "local": "1974-01-19T08:19:13+08:00",
          "utc": "1974-01-19T00:19:13Z",
          "ms": 127786753304.89807
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-18T06:04:38+08:00",
          "utc": "1974-01-17T22:04:38Z",
          "ms": 127692278060.18674
        },
        "end": {
          "local": "1974-01-19T08:19:13+08:00",
          "utc": "1974-01-19T00:19:13Z",
          "ms": 127786753304.89807
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-01-18",
          "window": {
            "start": {
              "local": "1974-01-18T06:51:44+08:00",
              "utc": "1974-01-17T22:51:44Z",
              "ms": 127695104071.65707
            },
            "end": {
              "local": "1974-01-18T06:51:44+08:00",
              "utc": "1974-01-17T22:51:44Z",
              "ms": 127695104071.65707
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-01-19",
          "window": {
            "start": {
              "local": "1974-01-19T06:51:36+08:00",
              "utc": "1974-01-18T22:51:36Z",
              "ms": 127781496056.14484
            },
            "end": {
              "local": "1974-01-19T06:51:36+08:00",
              "utc": "1974-01-18T22:51:36Z",
              "ms": 127781496056.14484
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:05 on Fri 18 Jan to 08:19 on Sat 19 Jan.",
          "fact": "1974-01-17T22:04:38Z → 1974-01-19T00:19:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:52 on the 18th and 06:52 on the 19th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 18th and is on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Both sunrises qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 2826 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 1974: Saturday 19 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": "1974-01-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 1974 falls on Saturday 19 January. Ekādaśī runs from 06:05 on Fri 18 Jan to 08:19 on Sat 19 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-01-19",
      "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/1974/pradosha-vrata?on=1974-01-20",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14296,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-01-20T10:54:04+08:00",
          "utc": "1974-01-20T02:54:04Z",
          "ms": 127882444003.85439
        },
        "end": {
          "local": "1974-01-21T13:38:38+08:00",
          "utc": "1974-01-21T05:38:38Z",
          "ms": 127978717908.94356
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-20T10:54:04+08:00",
          "utc": "1974-01-20T02:54:04Z",
          "ms": 127882444003.85439
        },
        "end": {
          "local": "1974-01-21T13:38:38+08:00",
          "utc": "1974-01-21T05:38:38Z",
          "ms": 127978717908.94356
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-01-20",
          "window": {
            "start": {
              "local": "1974-01-20T17:36:07+08:00",
              "utc": "1974-01-20T09:36:07Z",
              "ms": 127906567048.28783
            },
            "end": {
              "local": "1974-01-20T19:22:08+08:00",
              "utc": "1974-01-20T11:22:08Z",
              "ms": 127912928179.79245
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "1974-01-21",
          "window": {
            "start": {
              "local": "1974-01-21T17:36:54+08:00",
              "utc": "1974-01-21T09:36:54Z",
              "ms": 127993013703.04208
            },
            "end": {
              "local": "1974-01-21T19:22:47+08:00",
              "utc": "1974-01-21T11:22:47Z",
              "ms": 127999366947.3909
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:54 on Sun 20 Jan to 13:39 on Mon 21 Jan.",
          "fact": "1974-01-20T02:54:04Z → 1974-01-21T05:38:38Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:22 on the 20th, 17:37–19:23 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 106 of 106 minutes on the 20th and 0 of 106 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 14296 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Sunday 20 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": "1974-01-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Sunday 20 January. Trayodaśī runs from 10:54 on Sun 20 Jan to 13:39 on Mon 21 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-01-20",
      "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/1974/shivaratri?on=1974-01-21",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26793,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-01-21T13:38:38+08:00",
          "utc": "1974-01-21T05:38:38Z",
          "ms": 127978717908.94356
        },
        "end": {
          "local": "1974-01-22T16:23:42+08:00",
          "utc": "1974-01-22T08:23:42Z",
          "ms": 128075021682.41316
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-21T13:38:38+08:00",
          "utc": "1974-01-21T05:38:38Z",
          "ms": 127978717908.94356
        },
        "end": {
          "local": "1974-01-22T16:23:42+08:00",
          "utc": "1974-01-22T08:23:42Z",
          "ms": 128075021682.41316
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-01-21",
          "window": {
            "start": {
              "local": "1974-01-21T23:49:58+08:00",
              "utc": "1974-01-21T15:49:58Z",
              "ms": 128015398369.35016
            },
            "end": {
              "local": "1974-01-22T00:37:58+08:00",
              "utc": "1974-01-21T16:37:58Z",
              "ms": 128018278369.35016
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-01-22",
          "window": {
            "start": {
              "local": "1974-01-22T23:50:15+08:00",
              "utc": "1974-01-22T15:50:15Z",
              "ms": 128101814696.98843
            },
            "end": {
              "local": "1974-01-23T00:38:15+08:00",
              "utc": "1974-01-22T16:38:15Z",
              "ms": 128104694696.98843
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:39 on Mon 21 Jan to 16:24 on Tue 22 Jan.",
          "fact": "1974-01-21T05:38:38Z → 1974-01-22T08:23:42Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 21st, 23:50–00:38 on the 22nd.",
          "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 21st and 0 of 48 on the 22nd.",
          "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 26793 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Monday 21 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": "1974-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Monday 21 January. Caturdaśī runs from 13:39 on Mon 21 Jan to 16:24 on Tue 22 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-01-21",
      "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/1974/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24442,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-01-21T13:38:38+08:00",
          "utc": "1974-01-21T05:38:38Z",
          "ms": 127978717908.94356
        },
        "end": {
          "local": "1974-01-22T16:23:42+08:00",
          "utc": "1974-01-22T08:23:42Z",
          "ms": 128075021682.41316
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-21T13:38:38+08:00",
          "utc": "1974-01-21T05:38:38Z",
          "ms": 127978717908.94356
        },
        "end": {
          "local": "1974-01-22T16:23:42+08:00",
          "utc": "1974-01-22T08:23:42Z",
          "ms": 128075021682.41316
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1974-01-21",
          "window": {
            "start": {
              "local": "1974-01-21T05:05:14+08:00",
              "utc": "1974-01-20T21:05:14Z",
              "ms": 127947914403.06793
            },
            "end": {
              "local": "1974-01-21T06:51:16+08:00",
              "utc": "1974-01-20T22:51:16Z",
              "ms": 127954275534.57256
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "1974-01-22",
          "window": {
            "start": {
              "local": "1974-01-22T05:05:10+08:00",
              "utc": "1974-01-21T21:05:10Z",
              "ms": 128034309791.30942
            },
            "end": {
              "local": "1974-01-22T06:51:03+08:00",
              "utc": "1974-01-21T22:51:03Z",
              "ms": 128040663035.65823
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:39 on Mon 21 Jan to 16:24 on Tue 22 Jan.",
          "fact": "1974-01-21T05:38:38Z → 1974-01-22T08:23:42Z"
        },
        {
          "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": "Caturdaśī must be present during aruṇodaya. It covers 0 of 106 minutes on the 21st and 106 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 24442 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Fuzhou, 1974: Tuesday 22 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": "1974-01-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Tarpaṇa 1974 falls on Tuesday 22 January. Caturdaśī runs from 13:39 on Mon 21 Jan to 16:24 on Tue 22 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32586,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-01-27T01:24:38+08:00",
          "utc": "1974-01-26T17:24:38Z",
          "ms": 128453078000.10225
        },
        "end": {
          "local": "1974-01-28T02:48:41+08:00",
          "utc": "1974-01-27T18:48:41Z",
          "ms": 128544521338.77585
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-27T01:24:38+08:00",
          "utc": "1974-01-26T17:24:38Z",
          "ms": 128453078000.10225
        },
        "end": {
          "local": "1974-01-28T02:48:41+08:00",
          "utc": "1974-01-27T18:48:41Z",
          "ms": 128544521338.77585
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-01-27",
          "window": {
            "start": {
              "local": "1974-01-27T11:51:35+08:00",
              "utc": "1974-01-27T03:51:35Z",
              "ms": 128490695278.9886
            },
            "end": {
              "local": "1974-01-27T12:39:35+08:00",
              "utc": "1974-01-27T04:39:35Z",
              "ms": 128493575278.9886
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-01-28",
          "window": {
            "start": {
              "local": "1974-01-28T11:51:48+08:00",
              "utc": "1974-01-28T03:51:48Z",
              "ms": 128577107566.75769
            },
            "end": {
              "local": "1974-01-28T12:39:48+08:00",
              "utc": "1974-01-28T04:39:48Z",
              "ms": 128579987566.75769
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:25 on Sun 27 Jan to 02:49 on Mon 28 Jan.",
          "fact": "1974-01-26T17:24:38Z → 1974-01-27T18:48:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32586 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Fuzhou, 1974: Sunday 27 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": "1974-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1974 falls on Sunday 27 January. Caturthī runs from 01:25 on Sun 27 Jan to 02:49 on Mon 28 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21521,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-01-27T01:24:38+08:00",
          "utc": "1974-01-26T17:24:38Z",
          "ms": 128453078000.10225
        },
        "end": {
          "local": "1974-01-28T02:48:41+08:00",
          "utc": "1974-01-27T18:48:41Z",
          "ms": 128544521338.77585
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-27T01:24:38+08:00",
          "utc": "1974-01-26T17:24:38Z",
          "ms": 128453078000.10225
        },
        "end": {
          "local": "1974-01-28T02:48:41+08:00",
          "utc": "1974-01-27T18:48:41Z",
          "ms": 128544521338.77585
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-01-26",
          "window": {
            "start": {
              "local": "1974-01-26T17:40:46+08:00",
              "utc": "1974-01-26T09:40:46Z",
              "ms": 128425246087.5655
            },
            "end": {
              "local": "1974-01-26T19:25:57+08:00",
              "utc": "1974-01-26T11:25:57Z",
              "ms": 128431557061.77379
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "1974-01-27",
          "window": {
            "start": {
              "local": "1974-01-27T17:41:32+08:00",
              "utc": "1974-01-27T09:41:32Z",
              "ms": 128511692163.84955
            },
            "end": {
              "local": "1974-01-27T19:26:34+08:00",
              "utc": "1974-01-27T11:26:34Z",
              "ms": 128517994154.66351
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:25 on Sun 27 Jan to 02:49 on Mon 28 Jan.",
          "fact": "1974-01-26T17:24:38Z → 1974-01-27T18:48:41Z"
        },
        {
          "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": "Caturthī 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21521 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Fuzhou, 1974: Sunday 27 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": "1974-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Tila Caturthī 1974 falls on Sunday 27 January. Caturthī runs from 01:25 on Sun 27 Jan to 02:49 on Mon 28 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29231,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1974-01-28T02:48:41+08:00",
          "utc": "1974-01-27T18:48:41Z",
          "ms": 128544521338.77585
        },
        "end": {
          "local": "1974-01-29T03:44:48+08:00",
          "utc": "1974-01-28T19:44:48Z",
          "ms": 128634287707.25185
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-28T02:48:41+08:00",
          "utc": "1974-01-27T18:48:41Z",
          "ms": 128544521338.77585
        },
        "end": {
          "local": "1974-01-29T03:44:48+08:00",
          "utc": "1974-01-28T19:44:48Z",
          "ms": 128634287707.25185
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-01-28",
          "window": {
            "start": {
              "local": "1974-01-28T11:51:48+08:00",
              "utc": "1974-01-28T03:51:48Z",
              "ms": 128577107566.75769
            },
            "end": {
              "local": "1974-01-28T12:39:48+08:00",
              "utc": "1974-01-28T04:39:48Z",
              "ms": 128579987566.75769
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-01-29",
          "window": {
            "start": {
              "local": "1974-01-29T11:51:59+08:00",
              "utc": "1974-01-29T03:51:59Z",
              "ms": 128663519024.77023
            },
            "end": {
              "local": "1974-01-29T12:39:59+08:00",
              "utc": "1974-01-29T04:39:59Z",
              "ms": 128666399024.77023
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 02:49 on Mon 28 Jan to 03:45 on Tue 29 Jan.",
          "fact": "1974-01-27T18:48:41Z → 1974-01-28T19:44:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 28th, 11:52–12:40 on the 29th.",
          "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 28th and 0 of 48 on the 29th.",
          "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 29231 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Fuzhou, 1974: Monday 28 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": "1974-01-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Pañcamī 1974 falls on Monday 28 January. Pañcamī runs from 02:49 on Mon 28 Jan to 03:45 on Tue 29 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29231,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1974-01-28T02:48:41+08:00",
          "utc": "1974-01-27T18:48:41Z",
          "ms": 128544521338.77585
        },
        "end": {
          "local": "1974-01-29T03:44:48+08:00",
          "utc": "1974-01-28T19:44:48Z",
          "ms": 128634287707.25185
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-28T02:48:41+08:00",
          "utc": "1974-01-27T18:48:41Z",
          "ms": 128544521338.77585
        },
        "end": {
          "local": "1974-01-29T03:44:48+08:00",
          "utc": "1974-01-28T19:44:48Z",
          "ms": 128634287707.25185
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-01-28",
          "window": {
            "start": {
              "local": "1974-01-28T11:51:48+08:00",
              "utc": "1974-01-28T03:51:48Z",
              "ms": 128577107566.75769
            },
            "end": {
              "local": "1974-01-28T12:39:48+08:00",
              "utc": "1974-01-28T04:39:48Z",
              "ms": 128579987566.75769
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-01-29",
          "window": {
            "start": {
              "local": "1974-01-29T11:51:59+08:00",
              "utc": "1974-01-29T03:51:59Z",
              "ms": 128663519024.77023
            },
            "end": {
              "local": "1974-01-29T12:39:59+08:00",
              "utc": "1974-01-29T04:39:59Z",
              "ms": 128666399024.77023
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 02:49 on Mon 28 Jan to 03:45 on Tue 29 Jan.",
          "fact": "1974-01-27T18:48:41Z → 1974-01-28T19:44:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 28th, 11:52–12:40 on the 29th.",
          "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 28th and 0 of 48 on the 29th.",
          "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 29231 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Fuzhou, 1974: Monday 28 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": "1974-01-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasanta Pañcamī 1974 falls on Monday 28 January. Pañcamī runs from 02:49 on Mon 28 Jan to 03:45 on Tue 29 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-01-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3276,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1974-01-30T04:09:11+08:00",
          "utc": "1974-01-29T20:09:11Z",
          "ms": 128722150862.50705
        },
        "end": {
          "local": "1974-01-31T03:58:30+08:00",
          "utc": "1974-01-30T19:58:30Z",
          "ms": 128807909811.76189
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-01-30T04:09:11+08:00",
          "utc": "1974-01-29T20:09:11Z",
          "ms": 128722150862.50705
        },
        "end": {
          "local": "1974-01-31T03:58:30+08:00",
          "utc": "1974-01-30T19:58:30Z",
          "ms": 128807909811.76189
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1974-01-30",
          "window": {
            "start": {
              "local": "1974-01-30T05:03:47+08:00",
              "utc": "1974-01-29T21:03:47Z",
              "ms": 128725426677.31004
            },
            "end": {
              "local": "1974-01-30T06:48:30+08:00",
              "utc": "1974-01-29T22:48:30Z",
              "ms": 128731710214.4982
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "1974-01-31",
          "window": {
            "start": {
              "local": "1974-01-31T05:03:31+08:00",
              "utc": "1974-01-30T21:03:31Z",
              "ms": 128811810583.91586
            },
            "end": {
              "local": "1974-01-31T06:48:05+08:00",
              "utc": "1974-01-30T22:48:05Z",
              "ms": 128818084661.36206
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 04:09 on Wed 30 Jan to 03:58 on Thu 31 Jan.",
          "fact": "1974-01-29T20:09:11Z → 1974-01-30T19:58:30Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:04–06:49 on the 30th, 05:04–06:48 on the 31st.",
          "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 105 of 105 minutes on the 30th and 0 of 105 on the 31st.",
          "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 3276 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Fuzhou, 1974: Wednesday 30 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": "1974-01-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-01-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ratha Saptamī 1974 falls on Wednesday 30 January. Saptamī runs from 04:09 on Wed 30 Jan to 03:58 on Thu 31 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-02-03",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25520,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-02-02T23:41:20+08:00",
          "utc": "1974-02-02T15:41:20Z",
          "ms": 129051679756.47475
        },
        "end": {
          "local": "1974-02-03T21:05:08+08:00",
          "utc": "1974-02-03T13:05:08Z",
          "ms": 129128707948.30339
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-02T23:41:20+08:00",
          "utc": "1974-02-02T15:41:20Z",
          "ms": 129051679756.47475
        },
        "end": {
          "local": "1974-02-03T21:05:08+08:00",
          "utc": "1974-02-03T13:05:08Z",
          "ms": 129128707948.30339
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-02-03",
          "window": {
            "start": {
              "local": "1974-02-03T06:46:40+08:00",
              "utc": "1974-02-02T22:46:40Z",
              "ms": 129077199750.62057
            },
            "end": {
              "local": "1974-02-03T06:46:40+08:00",
              "utc": "1974-02-02T22:46:40Z",
              "ms": 129077199750.62057
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-02-04",
          "window": {
            "start": {
              "local": "1974-02-04T06:46:09+08:00",
              "utc": "1974-02-03T22:46:09Z",
              "ms": 129163568761.3295
            },
            "end": {
              "local": "1974-02-04T06:46:09+08:00",
              "utc": "1974-02-03T22:46:09Z",
              "ms": 129163568761.3295
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:41 on Sat 2 Feb to 21:05 on Sun 3 Feb.",
          "fact": "1974-02-02T15:41:20Z → 1974-02-03T13:05:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:47 on the 3rd and 06:46 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 25520 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Fuzhou, 1974: Sunday 3 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": "1974-02-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jayā Ekādaśī 1974 falls on Sunday 3 February. Ekādaśī runs from 23:41 on Sat 2 Feb to 21:05 on Sun 3 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-02-03",
      "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/1974/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19224,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1974-02-03T21:05:08+08:00",
          "utc": "1974-02-03T13:05:08Z",
          "ms": 129128707948.30339
        },
        "end": {
          "local": "1974-02-04T18:01:14+08:00",
          "utc": "1974-02-04T10:01:14Z",
          "ms": 129204074435.43825
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-03T21:05:08+08:00",
          "utc": "1974-02-03T13:05:08Z",
          "ms": 129128707948.30339
        },
        "end": {
          "local": "1974-02-04T18:01:14+08:00",
          "utc": "1974-02-04T10:01:14Z",
          "ms": 129204074435.43825
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-02-03",
          "window": {
            "start": {
              "local": "1974-02-03T11:52:44+08:00",
              "utc": "1974-02-03T03:52:44Z",
              "ms": 129095563734.69025
            },
            "end": {
              "local": "1974-02-03T12:40:44+08:00",
              "utc": "1974-02-03T04:40:44Z",
              "ms": 129098443734.69025
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-02-04",
          "window": {
            "start": {
              "local": "1974-02-04T11:52:50+08:00",
              "utc": "1974-02-04T03:52:50Z",
              "ms": 129181970159.11816
            },
            "end": {
              "local": "1974-02-04T12:40:50+08:00",
              "utc": "1974-02-04T04:40:50Z",
              "ms": 129184850159.11816
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:05 on Sun 3 Feb to 18:01 on Mon 4 Feb.",
          "fact": "1974-02-03T13:05:08Z → 1974-02-04T10:01:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 3rd, 11:53–12:41 on the 4th.",
          "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 3rd and 48 of 48 on the 4th.",
          "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 19224 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Fuzhou, 1974: Monday 4 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhishma-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-02-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhīṣma Dvādaśī 1974 falls on Monday 4 February. Dvādaśī runs from 21:05 on Sun 3 Feb to 18:01 on Mon 4 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pradosha-vrata?on=1974-02-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 823,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-02-04T18:01:14+08:00",
          "utc": "1974-02-04T10:01:14Z",
          "ms": 129204074435.43825
        },
        "end": {
          "local": "1974-02-05T14:37:02+08:00",
          "utc": "1974-02-05T06:37:02Z",
          "ms": 129278222295.34834
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-04T18:01:14+08:00",
          "utc": "1974-02-04T10:01:14Z",
          "ms": 129204074435.43825
        },
        "end": {
          "local": "1974-02-05T14:37:02+08:00",
          "utc": "1974-02-05T06:37:02Z",
          "ms": 129278222295.34834
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-02-04",
          "window": {
            "start": {
              "local": "1974-02-04T17:47:32+08:00",
              "utc": "1974-02-04T09:47:32Z",
              "ms": 129203251556.90685
            },
            "end": {
              "local": "1974-02-04T19:31:16+08:00",
              "utc": "1974-02-04T11:31:16Z",
              "ms": 129209476211.38394
            }
          },
          "covered_min": 90,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "1974-02-05",
          "window": {
            "start": {
              "local": "1974-02-05T17:48:15+08:00",
              "utc": "1974-02-05T09:48:15Z",
              "ms": 129289695040.79265
            },
            "end": {
              "local": "1974-02-05T19:31:49+08:00",
              "utc": "1974-02-05T11:31:49Z",
              "ms": 129295909420.28253
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:01 on Mon 4 Feb to 14:37 on Tue 5 Feb.",
          "fact": "1974-02-04T10:01:14Z → 1974-02-05T06:37:02Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:48–19:31 on the 4th, 17:48–19:32 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 90 of 104 minutes on the 4th and 0 of 104 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 823 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Monday 4 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": "1974-02-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Monday 4 February. Trayodaśī runs from 18:01 on Mon 4 Feb to 14:37 on Tue 5 Feb and covers 90 of 104 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-02-04",
      "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/1974/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3098,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-02-06T11:01:23+08:00",
          "utc": "1974-02-06T03:01:23Z",
          "ms": 129351682583.5876
        },
        "end": {
          "local": "1974-02-07T07:24:12+08:00",
          "utc": "1974-02-06T23:24:12Z",
          "ms": 129425051968.37917
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-06T11:01:23+08:00",
          "utc": "1974-02-06T03:01:23Z",
          "ms": 129351682583.5876
        },
        "end": {
          "local": "1974-02-07T07:24:12+08:00",
          "utc": "1974-02-06T23:24:12Z",
          "ms": 129425051968.37917
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-02-06",
          "window": {
            "start": {
              "local": "1974-02-06T11:53:01+08:00",
              "utc": "1974-02-06T03:53:01Z",
              "ms": 129354780524.58362
            },
            "end": {
              "local": "1974-02-06T12:41:01+08:00",
              "utc": "1974-02-06T04:41:01Z",
              "ms": 129357660524.58362
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-02-07",
          "window": {
            "start": {
              "local": "1974-02-07T11:53:04+08:00",
              "utc": "1974-02-07T03:53:04Z",
              "ms": 129441184482.9464
            },
            "end": {
              "local": "1974-02-07T12:41:04+08:00",
              "utc": "1974-02-07T04:41:04Z",
              "ms": 129444064482.9464
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:01 on Wed 6 Feb to 07:24 on Thu 7 Feb.",
          "fact": "1974-02-06T03:01:23Z → 1974-02-06T23:24:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 6th, 11:53–12:41 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3098 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Fuzhou, 1974: Wednesday 6 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maghi-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Maghi purnima (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-02-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Māghī Pūrṇimā 1974 falls on Wednesday 6 February. Pūrṇimā runs from 11:01 on Wed 6 Feb to 07:24 on Thu 7 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-02-09",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 4564,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-02-09T22:10:53+08:00",
          "utc": "1974-02-09T14:10:53Z",
          "ms": 129651053386.43204
        },
        "end": {
          "local": "1974-02-10T20:13:58+08:00",
          "utc": "1974-02-10T12:13:58Z",
          "ms": 129730438310.24905
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-09T22:10:53+08:00",
          "utc": "1974-02-09T14:10:53Z",
          "ms": 129651053386.43204
        },
        "end": {
          "local": "1974-02-10T20:13:58+08:00",
          "utc": "1974-02-10T12:13:58Z",
          "ms": 129730438310.24905
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-02-09",
          "window": {
            "start": {
              "local": "1974-02-09T20:28:46+08:00",
              "utc": "1974-02-09T12:28:46Z",
              "ms": 129644926338.01733
            },
            "end": {
              "local": "1974-02-09T20:28:46+08:00",
              "utc": "1974-02-09T12:28:46Z",
              "ms": 129644926338.01733
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-02-10",
          "window": {
            "start": {
              "local": "1974-02-10T21:30:03+08:00",
              "utc": "1974-02-10T13:30:03Z",
              "ms": 129735002680.20384
            },
            "end": {
              "local": "1974-02-10T21:30:03+08:00",
              "utc": "1974-02-10T13:30:03Z",
              "ms": 129735002680.20384
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:11 on Sat 9 Feb to 20:14 on Sun 10 Feb.",
          "fact": "1974-02-09T14:10:53Z → 1974-02-10T12:13:58Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:29 on the 9th and 21:30 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 9th and is not on the 10th.",
          "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 4564 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Saturday 9 February.",
          "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": "1974-02-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Saturday 9 February. Caturthī runs from 22:11 on Sat 9 Feb to 20:14 on Sun 10 Feb, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-02-09",
      "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/1974/ekadashi?on=1974-02-17",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8442,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-02-17T01:30:52+08:00",
          "utc": "1974-02-16T17:30:52Z",
          "ms": 130267852296.59093
        },
        "end": {
          "local": "1974-02-18T04:16:08+08:00",
          "utc": "1974-02-17T20:16:08Z",
          "ms": 130364167751.0944
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-17T01:30:52+08:00",
          "utc": "1974-02-16T17:30:52Z",
          "ms": 130267852296.59093
        },
        "end": {
          "local": "1974-02-18T04:16:08+08:00",
          "utc": "1974-02-17T20:16:08Z",
          "ms": 130364167751.0944
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-02-17",
          "window": {
            "start": {
              "local": "1974-02-17T06:37:36+08:00",
              "utc": "1974-02-16T22:37:36Z",
              "ms": 130286256225.24011
            },
            "end": {
              "local": "1974-02-17T06:37:36+08:00",
              "utc": "1974-02-16T22:37:36Z",
              "ms": 130286256225.24011
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-02-18",
          "window": {
            "start": {
              "local": "1974-02-18T06:36:49+08:00",
              "utc": "1974-02-17T22:36:49Z",
              "ms": 130372609259.95119
            },
            "end": {
              "local": "1974-02-18T06:36:49+08:00",
              "utc": "1974-02-17T22:36:49Z",
              "ms": 130372609259.95119
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:31 on Sun 17 Feb to 04:16 on Mon 18 Feb.",
          "fact": "1974-02-16T17:30:52Z → 1974-02-17T20:16:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:38 on the 17th and 06:37 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 8442 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Fuzhou, 1974: Sunday 17 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": "1974-02-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Ekādaśī 1974 falls on Sunday 17 February. Ekādaśī runs from 01:31 on Sun 17 Feb to 04:16 on Mon 18 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-02-17",
      "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/1974/pradosha-vrata?on=1974-02-19",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30357,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-02-19T07:00:19+08:00",
          "utc": "1974-02-18T23:00:19Z",
          "ms": 130460418614.60643
        },
        "end": {
          "local": "1974-02-20T09:32:25+08:00",
          "utc": "1974-02-20T01:32:25Z",
          "ms": 130555944504.43243
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-19T07:00:19+08:00",
          "utc": "1974-02-18T23:00:19Z",
          "ms": 130460418614.60643
        },
        "end": {
          "local": "1974-02-20T09:32:25+08:00",
          "utc": "1974-02-20T01:32:25Z",
          "ms": 130555944504.43243
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-02-19",
          "window": {
            "start": {
              "local": "1974-02-19T17:57:44+08:00",
              "utc": "1974-02-19T09:57:44Z",
              "ms": 130499863778.29536
            },
            "end": {
              "local": "1974-02-19T19:38:44+08:00",
              "utc": "1974-02-19T11:38:44Z",
              "ms": 130505923607.8455
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "1974-02-20",
          "window": {
            "start": {
              "local": "1974-02-20T17:58:21+08:00",
              "utc": "1974-02-20T09:58:21Z",
              "ms": 130586301387.67865
            },
            "end": {
              "local": "1974-02-20T19:39:10+08:00",
              "utc": "1974-02-20T11:39:10Z",
              "ms": 130592349569.89636
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:00 on Tue 19 Feb to 09:32 on Wed 20 Feb.",
          "fact": "1974-02-18T23:00:19Z → 1974-02-20T01:32:25Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:39 on the 19th, 17:58–19:39 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 101 of 101 minutes on the 19th and 0 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 30357 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Tuesday 19 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": "1974-02-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Tuesday 19 February. Trayodaśī runs from 07:00 on Tue 19 Feb to 09:32 on Wed 20 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-02-19",
      "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/1974/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31916,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-02-20T09:32:25+08:00",
          "utc": "1974-02-20T01:32:25Z",
          "ms": 130555944504.43243
        },
        "end": {
          "local": "1974-02-21T11:44:55+08:00",
          "utc": "1974-02-21T03:44:55Z",
          "ms": 130650294897.62733
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-20T09:32:25+08:00",
          "utc": "1974-02-20T01:32:25Z",
          "ms": 130555944504.43243
        },
        "end": {
          "local": "1974-02-21T11:44:55+08:00",
          "utc": "1974-02-21T03:44:55Z",
          "ms": 130650294897.62733
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-02-19",
          "window": {
            "start": {
              "local": "1974-02-19T23:52:28+08:00",
              "utc": "1974-02-19T15:52:28Z",
              "ms": 130521148139.10838
            },
            "end": {
              "local": "1974-02-20T00:40:28+08:00",
              "utc": "1974-02-19T16:40:28Z",
              "ms": 130524028139.10838
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-02-20",
          "window": {
            "start": {
              "local": "1974-02-20T23:52:22+08:00",
              "utc": "1974-02-20T15:52:22Z",
              "ms": 130607542070.99509
            },
            "end": {
              "local": "1974-02-21T00:40:22+08:00",
              "utc": "1974-02-20T16:40:22Z",
              "ms": 130610422070.99509
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 09:32 on Wed 20 Feb to 11:45 on Thu 21 Feb.",
          "fact": "1974-02-20T01:32:25Z → 1974-02-21T03:44:55Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 19th, 23:52–00:40 on the 20th.",
          "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 19th and 48 of 48 on the 20th.",
          "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 31916 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Fuzhou, 1974: Wednesday 20 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": "1974-02-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāśivarātri 1974 falls on Wednesday 20 February. Caturdaśī runs from 09:32 on Wed 20 Feb to 11:45 on Thu 21 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vinayaka-chaturthi?on=1974-02-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-02-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13810,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-02-25T16:30:19+08:00",
          "utc": "1974-02-25T08:30:19Z",
          "ms": 131013018878.22717
        },
        "end": {
          "local": "1974-02-26T16:40:45+08:00",
          "utc": "1974-02-26T08:40:45Z",
          "ms": 131100044851.008
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-02-25T16:30:19+08:00",
          "utc": "1974-02-25T08:30:19Z",
          "ms": 131013018878.22717
        },
        "end": {
          "local": "1974-02-26T16:40:45+08:00",
          "utc": "1974-02-26T08:40:45Z",
          "ms": 131100044851.008
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-02-25",
          "window": {
            "start": {
              "local": "1974-02-25T11:52:09+08:00",
              "utc": "1974-02-25T03:52:09Z",
              "ms": 130996329205.78311
            },
            "end": {
              "local": "1974-02-25T12:40:09+08:00",
              "utc": "1974-02-25T04:40:09Z",
              "ms": 130999209205.78311
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-02-26",
          "window": {
            "start": {
              "local": "1974-02-26T11:52:00+08:00",
              "utc": "1974-02-26T03:52:00Z",
              "ms": 131082719815.22214
            },
            "end": {
              "local": "1974-02-26T12:40:00+08:00",
              "utc": "1974-02-26T04:40:00Z",
              "ms": 131085599815.22214
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:30 on Mon 25 Feb to 16:41 on Tue 26 Feb.",
          "fact": "1974-02-25T08:30:19Z → 1974-02-26T08:40:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 25th, 11:52–12:40 on the 26th.",
          "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 25th and 48 of 48 on the 26th.",
          "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 13810 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Tuesday 26 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": "1974-02-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-02-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Tuesday 26 February. Caturthī runs from 16:30 on Mon 25 Feb to 16:41 on Tue 26 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-02-26",
      "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/1974/ekadashi?on=1974-03-04",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 704,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-03-04T08:54:39+08:00",
          "utc": "1974-03-04T00:54:39Z",
          "ms": 131590478590.87822
        },
        "end": {
          "local": "1974-03-05T06:11:40+08:00",
          "utc": "1974-03-04T22:11:40Z",
          "ms": 131667100398.36159
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-04T08:54:39+08:00",
          "utc": "1974-03-04T00:54:39Z",
          "ms": 131590478590.87822
        },
        "end": {
          "local": "1974-03-05T06:11:40+08:00",
          "utc": "1974-03-04T22:11:40Z",
          "ms": 131667100398.36159
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-03-04",
          "window": {
            "start": {
              "local": "1974-03-04T06:24:23+08:00",
              "utc": "1974-03-03T22:24:23Z",
              "ms": 131581463043.38937
            },
            "end": {
              "local": "1974-03-04T06:24:23+08:00",
              "utc": "1974-03-03T22:24:23Z",
              "ms": 131581463043.38937
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-03-05",
          "window": {
            "start": {
              "local": "1974-03-05T06:23:24+08:00",
              "utc": "1974-03-04T22:23:24Z",
              "ms": 131667804416.86926
            },
            "end": {
              "local": "1974-03-05T06:23:24+08:00",
              "utc": "1974-03-04T22:23:24Z",
              "ms": 131667804416.86926
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:55 on Mon 4 Mar to 06:12 on Tue 5 Mar.",
          "fact": "1974-03-04T00:54:39Z → 1974-03-04T22:11:40Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:24 on the 4th and 06:23 on the 5th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is not on the 5th.",
          "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 704 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Fuzhou, 1974: Monday 4 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": "1974-03-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Āmalakī Ekādaśī 1974 falls on Monday 4 March. Ekādaśī runs from 08:55 on Mon 4 Mar to 06:12 on Tue 5 Mar, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-03-04",
      "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/1974/pradosha-vrata?on=1974-03-06",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15705,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-03-06T03:13:06+08:00",
          "utc": "1974-03-05T19:13:06Z",
          "ms": 131742786199.85297
        },
        "end": {
          "local": "1974-03-07T00:06:10+08:00",
          "utc": "1974-03-06T16:06:10Z",
          "ms": 131817969898.72081
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-06T03:13:06+08:00",
          "utc": "1974-03-05T19:13:06Z",
          "ms": 131742786199.85297
        },
        "end": {
          "local": "1974-03-07T00:06:10+08:00",
          "utc": "1974-03-06T16:06:10Z",
          "ms": 131817969898.72081
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-03-05",
          "window": {
            "start": {
              "local": "1974-03-05T18:05:53+08:00",
              "utc": "1974-03-05T10:05:53Z",
              "ms": 131709952887.61446
            },
            "end": {
              "local": "1974-03-05T19:44:05+08:00",
              "utc": "1974-03-05T11:44:05Z",
              "ms": 131715845199.35416
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        },
        {
          "local_date": "1974-03-06",
          "window": {
            "start": {
              "local": "1974-03-06T18:06:25+08:00",
              "utc": "1974-03-06T10:06:25Z",
              "ms": 131796384910.1909
            },
            "end": {
              "local": "1974-03-06T19:44:25+08:00",
              "utc": "1974-03-06T11:44:25Z",
              "ms": 131802264988.83142
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:13 on Wed 6 Mar to 00:06 on Thu 7 Mar.",
          "fact": "1974-03-05T19:13:06Z → 1974-03-06T16:06:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:44 on the 5th, 18:06–19:44 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 0 of 98 minutes on the 5th and 98 of 98 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 15705 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Wednesday 6 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": "1974-03-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Wednesday 6 March. Trayodaśī runs from 03:13 on Wed 6 Mar to 00:06 on Thu 7 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-03-06",
      "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/1974/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-08",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 274,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-03-07T20:59:32+08:00",
          "utc": "1974-03-07T12:59:32Z",
          "ms": 131893171836.48593
        },
        "end": {
          "local": "1974-03-08T18:02:54+08:00",
          "utc": "1974-03-08T10:02:54Z",
          "ms": 131968973997.84679
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-07T20:59:32+08:00",
          "utc": "1974-03-07T12:59:32Z",
          "ms": 131893171836.48593
        },
        "end": {
          "local": "1974-03-08T18:02:54+08:00",
          "utc": "1974-03-08T10:02:54Z",
          "ms": 131968973997.84679
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1974-03-07",
          "window": {
            "start": {
              "local": "1974-03-07T15:45:50+08:00",
              "utc": "1974-03-07T07:45:50Z",
              "ms": 131874350378.31564
            },
            "end": {
              "local": "1974-03-07T18:06:57+08:00",
              "utc": "1974-03-07T10:06:57Z",
              "ms": 131882816597.89587
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        },
        {
          "local_date": "1974-03-08",
          "window": {
            "start": {
              "local": "1974-03-08T15:46:03+08:00",
              "utc": "1974-03-08T07:46:03Z",
              "ms": 131960763429.19566
            },
            "end": {
              "local": "1974-03-08T18:07:28+08:00",
              "utc": "1974-03-08T10:07:28Z",
              "ms": 131969247968.71693
            }
          },
          "covered_min": 137,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 21:00 on Thu 7 Mar to 18:03 on Fri 8 Mar.",
          "fact": "1974-03-07T12:59:32Z → 1974-03-08T10:02:54Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:07 on the 7th, 15:46–18:07 on the 8th.",
          "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 141 minutes on the 7th and 137 of 141 on the 8th.",
          "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 274 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Fuzhou, 1974: Friday 8 March.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1974-03-08",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-08",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Holikā Dahana 1974 falls on Friday 8 March. Pūrṇimā runs from 21:00 on Thu 7 Mar to 18:03 on Fri 8 Mar and covers 137 of 141 minutes of sāyāhna that late afternoon. It is 4 min 34 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 274,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-03-07T20:59:32+08:00",
          "utc": "1974-03-07T12:59:32Z",
          "ms": 131893171836.48593
        },
        "end": {
          "local": "1974-03-08T18:02:54+08:00",
          "utc": "1974-03-08T10:02:54Z",
          "ms": 131968973997.84679
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-07T20:59:32+08:00",
          "utc": "1974-03-07T12:59:32Z",
          "ms": 131893171836.48593
        },
        "end": {
          "local": "1974-03-08T18:02:54+08:00",
          "utc": "1974-03-08T10:02:54Z",
          "ms": 131968973997.84679
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1974-03-07",
          "window": {
            "start": {
              "local": "1974-03-07T15:45:50+08:00",
              "utc": "1974-03-07T07:45:50Z",
              "ms": 131874350378.31564
            },
            "end": {
              "local": "1974-03-07T18:06:57+08:00",
              "utc": "1974-03-07T10:06:57Z",
              "ms": 131882816597.89587
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        },
        {
          "local_date": "1974-03-08",
          "window": {
            "start": {
              "local": "1974-03-08T15:46:03+08:00",
              "utc": "1974-03-08T07:46:03Z",
              "ms": 131960763429.19566
            },
            "end": {
              "local": "1974-03-08T18:07:28+08:00",
              "utc": "1974-03-08T10:07:28Z",
              "ms": 131969247968.71693
            }
          },
          "covered_min": 137,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "1974-03-08",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 21:00 on Thu 7 Mar to 18:03 on Fri 8 Mar.",
          "fact": "1974-03-07T12:59:32Z → 1974-03-08T10:02:54Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:07 on the 7th, 15:46–18:07 on the 8th.",
          "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 141 minutes on the 7th and 137 of 141 on the 8th.",
          "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 274 s < 300 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Friday 8 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Fuzhou, 1974: Saturday 9 March.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1974-03-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Holī 1974 falls on Saturday 9 March. It is kept the day after Holikā Dahana, which falls on Friday 8 March. Pūrṇimā runs from 21:00 on Thu 7 Mar to 18:03 on Fri 8 Mar and covers 137 of 141 minutes of sāyāhna on the 8th. It is 4 min 34 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32825,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1974-03-08T18:02:54+08:00",
          "utc": "1974-03-08T10:02:54Z",
          "ms": 131968973997.84679
        },
        "end": {
          "local": "1974-03-09T15:26:29+08:00",
          "utc": "1974-03-09T07:26:29Z",
          "ms": 132045989439.04057
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-08T18:02:54+08:00",
          "utc": "1974-03-08T10:02:54Z",
          "ms": 131968973997.84679
        },
        "end": {
          "local": "1974-03-09T15:26:29+08:00",
          "utc": "1974-03-09T07:26:29Z",
          "ms": 132045989439.04057
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-03-08",
          "window": {
            "start": {
              "local": "1974-03-08T06:20:25+08:00",
              "utc": "1974-03-07T22:20:25Z",
              "ms": 131926825271.11057
            },
            "end": {
              "local": "1974-03-08T06:20:25+08:00",
              "utc": "1974-03-07T22:20:25Z",
              "ms": 131926825271.11057
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-03-09",
          "window": {
            "start": {
              "local": "1974-03-09T06:19:25+08:00",
              "utc": "1974-03-08T22:19:25Z",
              "ms": 132013164569.06026
            },
            "end": {
              "local": "1974-03-09T06:19:25+08:00",
              "utc": "1974-03-08T22:19:25Z",
              "ms": 132013164569.06026
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 18:03 on Fri 8 Mar to 15:26 on Sat 9 Mar.",
          "fact": "1974-03-08T10:02:54Z → 1974-03-09T07:26:29Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:20 on the 8th and 06:19 on the 9th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is not on the 8th and is on the 9th.",
          "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 32825 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Fuzhou, 1974: Saturday 9 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": "1974-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasantotsava 1974 falls on Saturday 9 March. Pratipadā runs from 18:03 on Fri 8 Mar to 15:26 on Sat 9 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-03-11",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33526,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-03-11T11:53:46+08:00",
          "utc": "1974-03-11T03:53:46Z",
          "ms": 132206026287.2727
        },
        "end": {
          "local": "1974-03-12T11:13:45+08:00",
          "utc": "1974-03-12T03:13:45Z",
          "ms": 132290025370.7486
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-11T11:53:46+08:00",
          "utc": "1974-03-11T03:53:46Z",
          "ms": 132206026287.2727
        },
        "end": {
          "local": "1974-03-12T11:13:45+08:00",
          "utc": "1974-03-12T03:13:45Z",
          "ms": 132290025370.7486
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-03-11",
          "window": {
            "start": {
              "local": "1974-03-11T21:12:32+08:00",
              "utc": "1974-03-11T13:12:32Z",
              "ms": 132239552070.787
            },
            "end": {
              "local": "1974-03-11T21:12:32+08:00",
              "utc": "1974-03-11T13:12:32Z",
              "ms": 132239552070.787
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-03-12",
          "window": {
            "start": {
              "local": "1974-03-12T22:11:48+08:00",
              "utc": "1974-03-12T14:11:48Z",
              "ms": 132329507785.91286
            },
            "end": {
              "local": "1974-03-12T22:11:48+08:00",
              "utc": "1974-03-12T14:11:48Z",
              "ms": 132329507785.91286
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:54 on Mon 11 Mar to 11:14 on Tue 12 Mar.",
          "fact": "1974-03-11T03:53:46Z → 1974-03-12T03:13:45Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:13 on the 11th and 22:12 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.",
          "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 33526 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Monday 11 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": "1974-03-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Monday 11 March. Caturthī runs from 11:54 on Mon 11 Mar to 11:14 on Tue 12 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-03-11",
      "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/1974/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5603,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-03-15T14:09:29+08:00",
          "utc": "1974-03-15T06:09:29Z",
          "ms": 132559768854.94325
        },
        "end": {
          "local": "1974-03-16T16:27:33+08:00",
          "utc": "1974-03-16T08:27:33Z",
          "ms": 132654452971.41293
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-15T14:09:29+08:00",
          "utc": "1974-03-15T06:09:29Z",
          "ms": 132559768854.94325
        },
        "end": {
          "local": "1974-03-16T16:27:33+08:00",
          "utc": "1974-03-16T08:27:33Z",
          "ms": 132654452971.41293
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-03-15",
          "window": {
            "start": {
              "local": "1974-03-15T11:48:06+08:00",
              "utc": "1974-03-15T03:48:06Z",
              "ms": 132551286131.25183
            },
            "end": {
              "local": "1974-03-15T12:36:06+08:00",
              "utc": "1974-03-15T04:36:06Z",
              "ms": 132554166131.25183
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-03-16",
          "window": {
            "start": {
              "local": "1974-03-16T11:47:49+08:00",
              "utc": "1974-03-16T03:47:49Z",
              "ms": 132637669264.20412
            },
            "end": {
              "local": "1974-03-16T12:35:49+08:00",
              "utc": "1974-03-16T04:35:49Z",
              "ms": 132640549264.20412
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 14:09 on Fri 15 Mar to 16:28 on Sat 16 Mar.",
          "fact": "1974-03-15T06:09:29Z → 1974-03-16T08:27:33Z"
        },
        {
          "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": "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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 5603 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Fuzhou, 1974: Saturday 16 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": "1974-03-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śītalāṣṭamī 1974 falls on Saturday 16 March. Aṣṭamī runs from 14:09 on Fri 15 Mar to 16:28 on Sat 16 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-03-19",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21380,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-03-18T21:43:54+08:00",
          "utc": "1974-03-18T13:43:54Z",
          "ms": 132846234153.80513
        },
        "end": {
          "local": "1974-03-20T00:11:34+08:00",
          "utc": "1974-03-19T16:11:34Z",
          "ms": 132941494281.98529
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-18T21:43:54+08:00",
          "utc": "1974-03-18T13:43:54Z",
          "ms": 132846234153.80513
        },
        "end": {
          "local": "1974-03-20T00:11:34+08:00",
          "utc": "1974-03-19T16:11:34Z",
          "ms": 132941494281.98529
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-03-19",
          "window": {
            "start": {
              "local": "1974-03-19T06:08:58+08:00",
              "utc": "1974-03-18T22:08:58Z",
              "ms": 132876538213.76408
            },
            "end": {
              "local": "1974-03-19T06:08:58+08:00",
              "utc": "1974-03-18T22:08:58Z",
              "ms": 132876538213.76408
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-03-20",
          "window": {
            "start": {
              "local": "1974-03-20T06:07:54+08:00",
              "utc": "1974-03-19T22:07:54Z",
              "ms": 132962874276.566
            },
            "end": {
              "local": "1974-03-20T06:07:54+08:00",
              "utc": "1974-03-19T22:07:54Z",
              "ms": 132962874276.566
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:44 on Mon 18 Mar to 00:12 on Wed 20 Mar.",
          "fact": "1974-03-18T13:43:54Z → 1974-03-19T16:11:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:09 on the 19th and 06:08 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 21380 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Fuzhou, 1974: Tuesday 19 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": "1974-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāpamocanī Ekādaśī 1974 falls on Tuesday 19 March. Ekādaśī runs from 21:44 on Mon 18 Mar to 00:12 on Wed 20 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-03-19",
      "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/1974/pradosha-vrata?on=1974-03-21",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23257,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-03-21T02:16:10+08:00",
          "utc": "1974-03-20T18:16:10Z",
          "ms": 133035369595.55316
        },
        "end": {
          "local": "1974-03-22T03:50:53+08:00",
          "utc": "1974-03-21T19:50:53Z",
          "ms": 133127453167.11195
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-21T02:16:10+08:00",
          "utc": "1974-03-20T18:16:10Z",
          "ms": 133035369595.55316
        },
        "end": {
          "local": "1974-03-22T03:50:53+08:00",
          "utc": "1974-03-21T19:50:53Z",
          "ms": 133127453167.11195
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-03-20",
          "window": {
            "start": {
              "local": "1974-03-20T18:13:26+08:00",
              "utc": "1974-03-20T10:13:26Z",
              "ms": 133006405559.86595
            },
            "end": {
              "local": "1974-03-20T19:48:33+08:00",
              "utc": "1974-03-20T11:48:33Z",
              "ms": 133012112846.72116
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        },
        {
          "local_date": "1974-03-21",
          "window": {
            "start": {
              "local": "1974-03-21T18:13:54+08:00",
              "utc": "1974-03-21T10:13:54Z",
              "ms": 133092834205.52217
            },
            "end": {
              "local": "1974-03-21T19:48:49+08:00",
              "utc": "1974-03-21T11:48:49Z",
              "ms": 133098529117.2603
            }
          },
          "covered_min": 95,
          "window_min": 95,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:16 on Thu 21 Mar to 03:51 on Fri 22 Mar.",
          "fact": "1974-03-20T18:16:10Z → 1974-03-21T19:50:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:49 on the 20th, 18:14–19:49 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 23257 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Thursday 21 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": "1974-03-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Thursday 21 March. Trayodaśī runs from 02:16 on Thu 21 Mar to 03:51 on Fri 22 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-03-21",
      "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/1974/shivaratri?on=1974-03-22",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11823,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-03-22T03:50:53+08:00",
          "utc": "1974-03-21T19:50:53Z",
          "ms": 133127453167.11195
        },
        "end": {
          "local": "1974-03-23T04:53:13+08:00",
          "utc": "1974-03-22T20:53:13Z",
          "ms": 133217592945.76286
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-22T03:50:53+08:00",
          "utc": "1974-03-21T19:50:53Z",
          "ms": 133127453167.11195
        },
        "end": {
          "local": "1974-03-23T04:53:13+08:00",
          "utc": "1974-03-22T20:53:13Z",
          "ms": 133217592945.76286
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-03-21",
          "window": {
            "start": {
              "local": "1974-03-21T23:45:50+08:00",
              "utc": "1974-03-21T15:45:50Z",
              "ms": 133112750124.54016
            },
            "end": {
              "local": "1974-03-22T00:33:50+08:00",
              "utc": "1974-03-21T16:33:50Z",
              "ms": 133115630124.54016
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-03-22",
          "window": {
            "start": {
              "local": "1974-03-22T23:45:32+08:00",
              "utc": "1974-03-22T15:45:32Z",
              "ms": 133199132263.68799
            },
            "end": {
              "local": "1974-03-23T00:33:32+08:00",
              "utc": "1974-03-22T16:33:32Z",
              "ms": 133202012263.68799
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:51 on Fri 22 Mar to 04:53 on Sat 23 Mar.",
          "fact": "1974-03-21T19:50:53Z → 1974-03-22T20:53:13Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 21st, 23:46–00:34 on the 22nd.",
          "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 21st and 48 of 48 on the 22nd.",
          "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 11823 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Friday 22 March.",
          "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": "1974-03-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Friday 22 March. Caturdaśī runs from 03:51 on Fri 22 Mar to 04:53 on Sat 23 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-03-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22752,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1974-03-24T05:23:57+08:00",
          "utc": "1974-03-23T21:23:57Z",
          "ms": 133305836577.81696
        },
        "end": {
          "local": "1974-03-25T05:25:58+08:00",
          "utc": "1974-03-24T21:25:58Z",
          "ms": 133392358242.543
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-24T05:23:57+08:00",
          "utc": "1974-03-23T21:23:57Z",
          "ms": 133305836577.81696
        },
        "end": {
          "local": "1974-03-25T05:25:58+08:00",
          "utc": "1974-03-24T21:25:58Z",
          "ms": 133392358242.543
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-03-24",
          "window": {
            "start": {
              "local": "1974-03-24T11:45:28+08:00",
              "utc": "1974-03-24T03:45:28Z",
              "ms": 133328728474.70506
            },
            "end": {
              "local": "1974-03-24T12:33:28+08:00",
              "utc": "1974-03-24T04:33:28Z",
              "ms": 133331608474.70506
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-03-25",
          "window": {
            "start": {
              "local": "1974-03-25T11:45:10+08:00",
              "utc": "1974-03-25T03:45:10Z",
              "ms": 133415110419.39804
            },
            "end": {
              "local": "1974-03-25T12:33:10+08:00",
              "utc": "1974-03-25T04:33:10Z",
              "ms": 133417990419.39804
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 05:24 on Sun 24 Mar to 05:26 on Mon 25 Mar.",
          "fact": "1974-03-23T21:23:57Z → 1974-03-24T21:25:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 24th, 11:45–12:33 on the 25th.",
          "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 24th and 0 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: paraviddha → only-day · margin 22752 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Fuzhou, 1974: Sunday 24 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": "1974-03-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 1974 falls on Sunday 24 March. Pratipadā runs from 05:24 on Sun 24 Mar to 05:26 on Mon 25 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24105,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1974-03-26T05:03:08+08:00",
          "utc": "1974-03-25T21:03:08Z",
          "ms": 133477387817.2199
        },
        "end": {
          "local": "1974-03-27T04:19:14+08:00",
          "utc": "1974-03-26T20:19:14Z",
          "ms": 133561153697.84033
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-26T05:03:08+08:00",
          "utc": "1974-03-25T21:03:08Z",
          "ms": 133477387817.2199
        },
        "end": {
          "local": "1974-03-27T04:19:14+08:00",
          "utc": "1974-03-26T20:19:14Z",
          "ms": 133561153697.84033
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-03-26",
          "window": {
            "start": {
              "local": "1974-03-26T11:44:52+08:00",
              "utc": "1974-03-26T03:44:52Z",
              "ms": 133501492319.77731
            },
            "end": {
              "local": "1974-03-26T12:32:52+08:00",
              "utc": "1974-03-26T04:32:52Z",
              "ms": 133504372319.77731
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-03-27",
          "window": {
            "start": {
              "local": "1974-03-27T11:44:34+08:00",
              "utc": "1974-03-27T03:44:34Z",
              "ms": 133587874192.1614
            },
            "end": {
              "local": "1974-03-27T12:32:34+08:00",
              "utc": "1974-03-27T04:32:34Z",
              "ms": 133590754192.1614
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 05:03 on Tue 26 Mar to 04:19 on Wed 27 Mar.",
          "fact": "1974-03-25T21:03:08Z → 1974-03-26T20:19:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24105 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Fuzhou, 1974: Tuesday 26 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": "1974-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 1974 falls on Tuesday 26 March. Tṛtīyā runs from 05:03 on Tue 26 Mar to 04:19 on Wed 27 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24105,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1974-03-26T05:03:08+08:00",
          "utc": "1974-03-25T21:03:08Z",
          "ms": 133477387817.2199
        },
        "end": {
          "local": "1974-03-27T04:19:14+08:00",
          "utc": "1974-03-26T20:19:14Z",
          "ms": 133561153697.84033
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-26T05:03:08+08:00",
          "utc": "1974-03-25T21:03:08Z",
          "ms": 133477387817.2199
        },
        "end": {
          "local": "1974-03-27T04:19:14+08:00",
          "utc": "1974-03-26T20:19:14Z",
          "ms": 133561153697.84033
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-03-26",
          "window": {
            "start": {
              "local": "1974-03-26T11:44:52+08:00",
              "utc": "1974-03-26T03:44:52Z",
              "ms": 133501492319.77731
            },
            "end": {
              "local": "1974-03-26T12:32:52+08:00",
              "utc": "1974-03-26T04:32:52Z",
              "ms": 133504372319.77731
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-03-27",
          "window": {
            "start": {
              "local": "1974-03-27T11:44:34+08:00",
              "utc": "1974-03-27T03:44:34Z",
              "ms": 133587874192.1614
            },
            "end": {
              "local": "1974-03-27T12:32:34+08:00",
              "utc": "1974-03-27T04:32:34Z",
              "ms": 133590754192.1614
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 05:03 on Tue 26 Mar to 04:19 on Wed 27 Mar.",
          "fact": "1974-03-25T21:03:08Z → 1974-03-26T20:19:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24105 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Fuzhou, 1974: Tuesday 26 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": "1974-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saubhāgya Śayana Vrata 1974 falls on Tuesday 26 March. Tṛtīyā runs from 05:03 on Tue 26 Mar to 04:19 on Wed 27 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vinayaka-chaturthi?on=1974-03-27",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26720,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-03-27T04:19:14+08:00",
          "utc": "1974-03-26T20:19:14Z",
          "ms": 133561153697.84033
        },
        "end": {
          "local": "1974-03-28T03:17:24+08:00",
          "utc": "1974-03-27T19:17:24Z",
          "ms": 133643844387.33186
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-27T04:19:14+08:00",
          "utc": "1974-03-26T20:19:14Z",
          "ms": 133561153697.84033
        },
        "end": {
          "local": "1974-03-28T03:17:24+08:00",
          "utc": "1974-03-27T19:17:24Z",
          "ms": 133643844387.33186
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-03-27",
          "window": {
            "start": {
              "local": "1974-03-27T11:44:34+08:00",
              "utc": "1974-03-27T03:44:34Z",
              "ms": 133587874192.1614
            },
            "end": {
              "local": "1974-03-27T12:32:34+08:00",
              "utc": "1974-03-27T04:32:34Z",
              "ms": 133590754192.1614
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-03-28",
          "window": {
            "start": {
              "local": "1974-03-28T11:44:16+08:00",
              "utc": "1974-03-28T03:44:16Z",
              "ms": 133674256052.9114
            },
            "end": {
              "local": "1974-03-28T12:32:16+08:00",
              "utc": "1974-03-28T04:32:16Z",
              "ms": 133677136052.9114
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:19 on Wed 27 Mar to 03:17 on Thu 28 Mar.",
          "fact": "1974-03-26T20:19:14Z → 1974-03-27T19:17:24Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26720 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Wednesday 27 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": "1974-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Wednesday 27 March. Caturthī runs from 04:19 on Wed 27 Mar to 03:17 on Thu 28 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-03-27",
      "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/1974/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30412,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1974-03-28T03:17:24+08:00",
          "utc": "1974-03-27T19:17:24Z",
          "ms": 133643844387.33186
        },
        "end": {
          "local": "1974-03-29T01:59:51+08:00",
          "utc": "1974-03-28T17:59:51Z",
          "ms": 133725590713.4007
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-28T03:17:24+08:00",
          "utc": "1974-03-27T19:17:24Z",
          "ms": 133643844387.33186
        },
        "end": {
          "local": "1974-03-29T01:59:51+08:00",
          "utc": "1974-03-28T17:59:51Z",
          "ms": 133725590713.4007
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-03-28",
          "window": {
            "start": {
              "local": "1974-03-28T11:44:16+08:00",
              "utc": "1974-03-28T03:44:16Z",
              "ms": 133674256052.9114
            },
            "end": {
              "local": "1974-03-28T12:32:16+08:00",
              "utc": "1974-03-28T04:32:16Z",
              "ms": 133677136052.9114
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-03-29",
          "window": {
            "start": {
              "local": "1974-03-29T11:43:58+08:00",
              "utc": "1974-03-29T03:43:58Z",
              "ms": 133760637918.64912
            },
            "end": {
              "local": "1974-03-29T12:31:58+08:00",
              "utc": "1974-03-29T04:31:58Z",
              "ms": 133763517918.64912
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 03:17 on Thu 28 Mar to 02:00 on Fri 29 Mar.",
          "fact": "1974-03-27T19:17:24Z → 1974-03-28T17:59:51Z"
        },
        {
          "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": "Pañcamī 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: purvaviddha → only-day · margin 30412 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Fuzhou, 1974: Thursday 28 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": "1974-03-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pañcamī 1974 falls on Thursday 28 March. Pañcamī runs from 03:17 on Thu 28 Mar to 02:00 on Fri 29 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-03-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29498,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-03-30T22:41:59+08:00",
          "utc": "1974-03-30T14:41:59Z",
          "ms": 133886518677.06805
        },
        "end": {
          "local": "1974-03-31T20:43:00+08:00",
          "utc": "1974-03-31T12:43:00Z",
          "ms": 133965779962.46797
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-30T22:41:59+08:00",
          "utc": "1974-03-30T14:41:59Z",
          "ms": 133886518677.06805
        },
        "end": {
          "local": "1974-03-31T20:43:00+08:00",
          "utc": "1974-03-31T12:43:00Z",
          "ms": 133965779962.46797
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-03-30",
          "window": {
            "start": {
              "local": "1974-03-30T11:43:40+08:00",
              "utc": "1974-03-30T03:43:40Z",
              "ms": 133847019806.47838
            },
            "end": {
              "local": "1974-03-30T12:31:40+08:00",
              "utc": "1974-03-30T04:31:40Z",
              "ms": 133849899806.47838
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-03-31",
          "window": {
            "start": {
              "local": "1974-03-31T11:43:22+08:00",
              "utc": "1974-03-31T03:43:22Z",
              "ms": 133933401734.18922
            },
            "end": {
              "local": "1974-03-31T12:31:22+08:00",
              "utc": "1974-03-31T04:31:22Z",
              "ms": 133936281734.18922
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 22:42 on Sat 30 Mar to 20:43 on Sun 31 Mar.",
          "fact": "1974-03-30T14:41:59Z → 1974-03-31T12:43:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:43–12:31 on the 31st.",
          "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 30th and 48 of 48 on the 31st.",
          "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 29498 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Fuzhou, 1974: Sunday 31 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": "1974-03-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-03-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhavānī Utpatti 1974 falls on Sunday 31 March. Aṣṭamī runs from 22:42 on Sat 30 Mar to 20:43 on Sun 31 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21661,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1974-03-31T20:43:00+08:00",
          "utc": "1974-03-31T12:43:00Z",
          "ms": 133965779962.46797
        },
        "end": {
          "local": "1974-04-01T18:32:04+08:00",
          "utc": "1974-04-01T10:32:04Z",
          "ms": 134044324309.40817
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-03-31T20:43:00+08:00",
          "utc": "1974-03-31T12:43:00Z",
          "ms": 133965779962.46797
        },
        "end": {
          "local": "1974-04-01T18:32:04+08:00",
          "utc": "1974-04-01T10:32:04Z",
          "ms": 134044324309.40817
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-03-31",
          "window": {
            "start": {
              "local": "1974-03-31T11:43:22+08:00",
              "utc": "1974-03-31T03:43:22Z",
              "ms": 133933401734.18922
            },
            "end": {
              "local": "1974-03-31T12:31:22+08:00",
              "utc": "1974-03-31T04:31:22Z",
              "ms": 133936281734.18922
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-04-01",
          "window": {
            "start": {
              "local": "1974-04-01T11:43:04+08:00",
              "utc": "1974-04-01T03:43:04Z",
              "ms": 134019783720.46585
            },
            "end": {
              "local": "1974-04-01T12:31:04+08:00",
              "utc": "1974-04-01T04:31:04Z",
              "ms": 134022663720.46585
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 20:43 on Sun 31 Mar to 18:32 on Mon 1 Apr.",
          "fact": "1974-03-31T12:43:00Z → 1974-04-01T10:32:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 31st, 11:43–12:31 on the 1st.",
          "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 31st and 48 of 48 on the 1st.",
          "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 21661 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Fuzhou, 1974: Monday 1 April.",
          "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": "1974-04-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāma Navamī 1974 falls on Monday 1 April. Navamī runs from 20:43 on Sun 31 Mar to 18:32 on Mon 1 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-04-03",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28315,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-04-02T16:11:28+08:00",
          "utc": "1974-04-02T08:11:28Z",
          "ms": 134122288075.31229
        },
        "end": {
          "local": "1974-04-03T13:44:52+08:00",
          "utc": "1974-04-03T05:44:52Z",
          "ms": 134199891666.07286
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-02T16:11:28+08:00",
          "utc": "1974-04-02T08:11:28Z",
          "ms": 134122288075.31229
        },
        "end": {
          "local": "1974-04-03T13:44:52+08:00",
          "utc": "1974-04-03T05:44:52Z",
          "ms": 134199891666.07286
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-04-02",
          "window": {
            "start": {
              "local": "1974-04-02T05:54:00+08:00",
              "utc": "1974-04-01T21:54:00Z",
              "ms": 134085240426.65594
            },
            "end": {
              "local": "1974-04-02T05:54:00+08:00",
              "utc": "1974-04-01T21:54:00Z",
              "ms": 134085240426.65594
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-04-03",
          "window": {
            "start": {
              "local": "1974-04-03T05:52:57+08:00",
              "utc": "1974-04-02T21:52:57Z",
              "ms": 134171576940.6099
            },
            "end": {
              "local": "1974-04-03T05:52:57+08:00",
              "utc": "1974-04-02T21:52:57Z",
              "ms": 134171576940.6099
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:11 on Tue 2 Apr to 13:45 on Wed 3 Apr.",
          "fact": "1974-04-02T08:11:28Z → 1974-04-03T05:44:52Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:54 on the 2nd and 05:53 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.",
          "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 28315 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Fuzhou, 1974: Wednesday 3 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": "1974-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmadā Ekādaśī 1974 falls on Wednesday 3 April. Ekādaśī runs from 16:11 on Tue 2 Apr to 13:45 on Wed 3 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-04-03",
      "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/1974/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1485,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-04-04T11:17:25+08:00",
          "utc": "1974-04-04T03:17:25Z",
          "ms": 134277445321.38567
        },
        "end": {
          "local": "1974-04-05T08:55:42+08:00",
          "utc": "1974-04-05T00:55:42Z",
          "ms": 134355341527.39458
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-04T11:17:25+08:00",
          "utc": "1974-04-04T03:17:25Z",
          "ms": 134277445321.38567
        },
        "end": {
          "local": "1974-04-05T08:55:42+08:00",
          "utc": "1974-04-05T00:55:42Z",
          "ms": 134355341527.39458
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-04-04",
          "window": {
            "start": {
              "local": "1974-04-04T11:42:10+08:00",
              "utc": "1974-04-04T03:42:10Z",
              "ms": 134278930231.87698
            },
            "end": {
              "local": "1974-04-04T12:30:10+08:00",
              "utc": "1974-04-04T04:30:10Z",
              "ms": 134281810231.87698
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-04-05",
          "window": {
            "start": {
              "local": "1974-04-05T11:41:53+08:00",
              "utc": "1974-04-05T03:41:53Z",
              "ms": 134365312657.89742
            },
            "end": {
              "local": "1974-04-05T12:29:53+08:00",
              "utc": "1974-04-05T04:29:53Z",
              "ms": 134368192657.89742
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:17 on Thu 4 Apr to 08:56 on Fri 5 Apr.",
          "fact": "1974-04-04T03:17:25Z → 1974-04-05T00:55:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 4th, 11:42–12:30 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1485 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Fuzhou, 1974: Thursday 4 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananga-trayodashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Anaṅga Trayodaśī 1974 falls on Thursday 4 April. Trayodaśī runs from 11:17 on Thu 4 Apr to 08:56 on Fri 5 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pradosha-vrata?on=1974-04-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25381,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-04-04T11:17:25+08:00",
          "utc": "1974-04-04T03:17:25Z",
          "ms": 134277445321.38567
        },
        "end": {
          "local": "1974-04-05T08:55:42+08:00",
          "utc": "1974-04-05T00:55:42Z",
          "ms": 134355341527.39458
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-04T11:17:25+08:00",
          "utc": "1974-04-04T03:17:25Z",
          "ms": 134277445321.38567
        },
        "end": {
          "local": "1974-04-05T08:55:42+08:00",
          "utc": "1974-04-05T00:55:42Z",
          "ms": 134355341527.39458
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-04-04",
          "window": {
            "start": {
              "local": "1974-04-04T18:20:27+08:00",
              "utc": "1974-04-04T10:20:27Z",
              "ms": 134302826785.00558
            },
            "end": {
              "local": "1974-04-04T19:52:30+08:00",
              "utc": "1974-04-04T11:52:30Z",
              "ms": 134308349969.63023
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "1974-04-05",
          "window": {
            "start": {
              "local": "1974-04-05T18:20:55+08:00",
              "utc": "1974-04-05T10:20:55Z",
              "ms": 134389254646.10443
            },
            "end": {
              "local": "1974-04-05T19:52:46+08:00",
              "utc": "1974-04-05T11:52:46Z",
              "ms": 134394765752.28786
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:17 on Thu 4 Apr to 08:56 on Fri 5 Apr.",
          "fact": "1974-04-04T03:17:25Z → 1974-04-05T00:55:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:52 on the 4th, 18:21–19:53 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 92 of 92 minutes on the 4th and 0 of 92 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 25381 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Thursday 4 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": "1974-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Thursday 4 April. Trayodaśī runs from 11:17 on Thu 4 Apr to 08:56 on Fri 5 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-04-04",
      "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/1974/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9971,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-04-05T08:55:42+08:00",
          "utc": "1974-04-05T00:55:42Z",
          "ms": 134355341527.39458
        },
        "end": {
          "local": "1974-04-06T06:47:16+08:00",
          "utc": "1974-04-05T22:47:16Z",
          "ms": 134434035946.79648
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-05T08:55:42+08:00",
          "utc": "1974-04-05T00:55:42Z",
          "ms": 134355341527.39458
        },
        "end": {
          "local": "1974-04-06T06:47:16+08:00",
          "utc": "1974-04-05T22:47:16Z",
          "ms": 134434035946.79648
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-04-05",
          "window": {
            "start": {
              "local": "1974-04-05T11:41:53+08:00",
              "utc": "1974-04-05T03:41:53Z",
              "ms": 134365312657.89742
            },
            "end": {
              "local": "1974-04-05T12:29:53+08:00",
              "utc": "1974-04-05T04:29:53Z",
              "ms": 134368192657.89742
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-04-06",
          "window": {
            "start": {
              "local": "1974-04-06T11:41:35+08:00",
              "utc": "1974-04-06T03:41:35Z",
              "ms": 134451695248.97302
            },
            "end": {
              "local": "1974-04-06T12:29:35+08:00",
              "utc": "1974-04-06T04:29:35Z",
              "ms": 134454575248.97302
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:56 on Fri 5 Apr to 06:47 on Sat 6 Apr.",
          "fact": "1974-04-05T00:55:42Z → 1974-04-05T22:47:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 5th, 11:42–12:30 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9971 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 1974: Friday 5 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vishnu-damanaka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-04-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 1974 falls on Friday 5 April. Caturdaśī runs from 08:56 on Fri 5 Apr to 06:47 on Sat 6 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17659,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-04-06T06:47:16+08:00",
          "utc": "1974-04-05T22:47:16Z",
          "ms": 134434035946.79648
        },
        "end": {
          "local": "1974-04-07T05:00:18+08:00",
          "utc": "1974-04-06T21:00:18Z",
          "ms": 134514018242.77919
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-06T06:47:16+08:00",
          "utc": "1974-04-05T22:47:16Z",
          "ms": 134434035946.79648
        },
        "end": {
          "local": "1974-04-07T05:00:18+08:00",
          "utc": "1974-04-06T21:00:18Z",
          "ms": 134514018242.77919
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-04-06",
          "window": {
            "start": {
              "local": "1974-04-06T11:41:35+08:00",
              "utc": "1974-04-06T03:41:35Z",
              "ms": 134451695248.97302
            },
            "end": {
              "local": "1974-04-06T12:29:35+08:00",
              "utc": "1974-04-06T04:29:35Z",
              "ms": 134454575248.97302
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-04-07",
          "window": {
            "start": {
              "local": "1974-04-07T11:41:18+08:00",
              "utc": "1974-04-07T03:41:18Z",
              "ms": 134538078027.72232
            },
            "end": {
              "local": "1974-04-07T12:29:18+08:00",
              "utc": "1974-04-07T04:29:18Z",
              "ms": 134540958027.72232
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:47 on Sat 6 Apr to 05:00 on Sun 7 Apr.",
          "fact": "1974-04-05T22:47:16Z → 1974-04-06T21:00:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 6th, 11:41–12:29 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 17659 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Fuzhou, 1974: Saturday 6 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chaitri-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-04-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Caitrī Pūrṇimā 1974 falls on Saturday 6 April. Pūrṇimā runs from 06:47 on Sat 6 Apr to 05:00 on Sun 7 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-04-10",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21420,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-04-10T03:03:13+08:00",
          "utc": "1974-04-09T19:03:13Z",
          "ms": 134766193067.82553
        },
        "end": {
          "local": "1974-04-11T03:48:12+08:00",
          "utc": "1974-04-10T19:48:12Z",
          "ms": 134855291562.1168
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-10T03:03:13+08:00",
          "utc": "1974-04-09T19:03:13Z",
          "ms": 134766193067.82553
        },
        "end": {
          "local": "1974-04-11T03:48:12+08:00",
          "utc": "1974-04-10T19:48:12Z",
          "ms": 134855291562.1168
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-04-09",
          "window": {
            "start": {
              "local": "1974-04-09T20:54:35+08:00",
              "utc": "1974-04-09T12:54:35Z",
              "ms": 134744075087.13582
            },
            "end": {
              "local": "1974-04-09T20:54:35+08:00",
              "utc": "1974-04-09T12:54:35Z",
              "ms": 134744075087.13582
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-04-10",
          "window": {
            "start": {
              "local": "1974-04-10T21:51:11+08:00",
              "utc": "1974-04-10T13:51:11Z",
              "ms": 134833871229.57568
            },
            "end": {
              "local": "1974-04-10T21:51:11+08:00",
              "utc": "1974-04-10T13:51:11Z",
              "ms": 134833871229.57568
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 03:03 on Wed 10 Apr to 03:48 on Thu 11 Apr.",
          "fact": "1974-04-09T19:03:13Z → 1974-04-10T19:48:12Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:55 on the 9th and 21:51 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.",
          "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 21420 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Wednesday 10 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": "1974-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Wednesday 10 April. Caturthī runs from 03:03 on Wed 10 Apr to 03:48 on Thu 11 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-04-10",
      "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/1974/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6491,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "1974-04-14T03:53:29+08:00",
          "utc": "1974-04-13T19:53:29Z",
          "ms": 135114808744.66393
        },
        "end": {
          "local": "1974-05-15T00:46:21+08:00",
          "utc": "1974-05-14T16:46:21Z",
          "ms": 137781980846.76694
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1974-04-14T03:53:29+08:00",
          "utc": "1974-04-13T19:53:29Z",
          "ms": 135114808744.66393
        },
        "end": {
          "local": "1974-04-14T03:53:29+08:00",
          "utc": "1974-04-13T19:53:29Z",
          "ms": 135114808744.66393
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "1974-04-13",
          "window": {
            "start": {
              "local": "1974-04-13T05:42:39+08:00",
              "utc": "1974-04-12T21:42:39Z",
              "ms": 135034959189.03088
            },
            "end": {
              "local": "1974-04-14T05:41:40+08:00",
              "utc": "1974-04-13T21:41:40Z",
              "ms": 135121299755.34729
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        },
        {
          "local_date": "1974-04-14",
          "window": {
            "start": {
              "local": "1974-04-14T05:41:40+08:00",
              "utc": "1974-04-13T21:41:40Z",
              "ms": 135121299755.34729
            },
            "end": {
              "local": "1974-04-15T05:40:41+08:00",
              "utc": "1974-04-14T21:40:41Z",
              "ms": 135207640857.18419
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 03:53 on Sun 14 Apr.",
          "fact": "1974-04-13T19:53:29Z · 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 6491 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Fuzhou, 1974: Saturday 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": "1974-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1974-04-14",
          "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": "sunset-rule",
          "local_date": "1974-04-14",
          "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 1974 falls on Saturday 13 April. The Sun enters Meṣa at 03:53 on Sun 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or 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/1974/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/1974/ekadashi?on=1974-04-18",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39937,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-04-17T16:44:22+08:00",
          "utc": "1974-04-17T08:44:22Z",
          "ms": 135420262081.87225
        },
        "end": {
          "local": "1974-04-18T18:17:17+08:00",
          "utc": "1974-04-18T10:17:17Z",
          "ms": 135512236973.6171
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-17T16:44:22+08:00",
          "utc": "1974-04-17T08:44:22Z",
          "ms": 135420262081.87225
        },
        "end": {
          "local": "1974-04-18T18:17:17+08:00",
          "utc": "1974-04-18T10:17:17Z",
          "ms": 135512236973.6171
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-04-17",
          "window": {
            "start": {
              "local": "1974-04-17T05:38:45+08:00",
              "utc": "1974-04-16T21:38:45Z",
              "ms": 135380324769.80736
            },
            "end": {
              "local": "1974-04-17T05:38:45+08:00",
              "utc": "1974-04-16T21:38:45Z",
              "ms": 135380324769.80736
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-04-18",
          "window": {
            "start": {
              "local": "1974-04-18T05:37:48+08:00",
              "utc": "1974-04-17T21:37:48Z",
              "ms": 135466667630.31609
            },
            "end": {
              "local": "1974-04-18T05:37:48+08:00",
              "utc": "1974-04-17T21:37:48Z",
              "ms": 135466667630.31609
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:44 on Wed 17 Apr to 18:17 on Thu 18 Apr.",
          "fact": "1974-04-17T08:44:22Z → 1974-04-18T10:17:17Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:39 on the 17th and 05:38 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is 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 39937 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Fuzhou, 1974: Thursday 18 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": "1974-04-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Varūthinī Ekādaśī 1974 falls on Thursday 18 April. Ekādaśī runs from 16:44 on Wed 17 Apr to 18:17 on Thu 18 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-04-18",
      "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/1974/pradosha-vrata?on=1974-04-20",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-20",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1663,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-04-19T19:12:44+08:00",
          "utc": "1974-04-19T11:12:44Z",
          "ms": 135601964279.28102
        },
        "end": {
          "local": "1974-04-20T19:29:18+08:00",
          "utc": "1974-04-20T11:29:18Z",
          "ms": 135689358037.17209
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-19T19:12:44+08:00",
          "utc": "1974-04-19T11:12:44Z",
          "ms": 135601964279.28102
        },
        "end": {
          "local": "1974-04-20T19:29:18+08:00",
          "utc": "1974-04-20T11:29:18Z",
          "ms": 135689358037.17209
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-04-19",
          "window": {
            "start": {
              "local": "1974-04-19T18:27:36+08:00",
              "utc": "1974-04-19T10:27:36Z",
              "ms": 135599255554.34987
            },
            "end": {
              "local": "1974-04-19T19:56:42+08:00",
              "utc": "1974-04-19T11:56:42Z",
              "ms": 135604602184.30054
            }
          },
          "covered_min": 44,
          "window_min": 89,
          "qualifies": true
        },
        {
          "local_date": "1974-04-20",
          "window": {
            "start": {
              "local": "1974-04-20T18:28:05+08:00",
              "utc": "1974-04-20T10:28:05Z",
              "ms": 135685685308.47935
            },
            "end": {
              "local": "1974-04-20T19:57:01+08:00",
              "utc": "1974-04-20T11:57:01Z",
              "ms": 135691020615.67517
            }
          },
          "covered_min": 61,
          "window_min": 89,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:13 on Fri 19 Apr to 19:29 on Sat 20 Apr.",
          "fact": "1974-04-19T11:12:44Z → 1974-04-20T11:29:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–19:57 on the 19th, 18:28–19:57 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 44 of 89 minutes on the 19th and 61 of 89 on the 20th.",
          "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 1663 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Saturday 20 April.",
          "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": "1974-04-20",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-19",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Saturday 20 April. Trayodaśī runs from 19:13 on Fri 19 Apr to 19:29 on Sat 20 Apr and covers 61 of 89 minutes of pradoṣa that evening. It also reaches the previous evening for 44 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/1974/pradosha-vrata?on=1974-04-20",
      "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/1974/shivaratri?on=1974-04-20",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14895,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-04-20T19:29:18+08:00",
          "utc": "1974-04-20T11:29:18Z",
          "ms": 135689358037.17209
        },
        "end": {
          "local": "1974-04-21T19:09:04+08:00",
          "utc": "1974-04-21T11:09:04Z",
          "ms": 135774543572.2905
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-20T19:29:18+08:00",
          "utc": "1974-04-20T11:29:18Z",
          "ms": 135689358037.17209
        },
        "end": {
          "local": "1974-04-21T19:09:04+08:00",
          "utc": "1974-04-21T11:09:04Z",
          "ms": 135774543572.2905
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-04-20",
          "window": {
            "start": {
              "local": "1974-04-20T23:37:33+08:00",
              "utc": "1974-04-20T15:37:33Z",
              "ms": 135704252710.46367
            },
            "end": {
              "local": "1974-04-21T00:25:33+08:00",
              "utc": "1974-04-20T16:25:33Z",
              "ms": 135707132710.46367
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-04-21",
          "window": {
            "start": {
              "local": "1974-04-21T23:37:20+08:00",
              "utc": "1974-04-21T15:37:20Z",
              "ms": 135790640438.84492
            },
            "end": {
              "local": "1974-04-22T00:25:20+08:00",
              "utc": "1974-04-21T16:25:20Z",
              "ms": 135793520438.84492
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 19:29 on Sat 20 Apr to 19:09 on Sun 21 Apr.",
          "fact": "1974-04-20T11:29:18Z → 1974-04-21T11:09:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 20th, 23:37–00:25 on the 21st.",
          "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 20th and 0 of 48 on the 21st.",
          "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 14895 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Saturday 20 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": "1974-04-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Saturday 20 April. Caturdaśī runs from 19:29 on Sat 20 Apr to 19:09 on Sun 21 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-04-20",
      "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/1974/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11556,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1974-04-24T15:17:30+08:00",
          "utc": "1974-04-24T07:17:30Z",
          "ms": 136019849990.65376
        },
        "end": {
          "local": "1974-04-25T13:22:56+08:00",
          "utc": "1974-04-25T05:22:56Z",
          "ms": 136099376329.18736
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-24T15:17:30+08:00",
          "utc": "1974-04-24T07:17:30Z",
          "ms": 136019849990.65376
        },
        "end": {
          "local": "1974-04-25T13:22:56+08:00",
          "utc": "1974-04-25T05:22:56Z",
          "ms": 136099376329.18736
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-04-24",
          "window": {
            "start": {
              "local": "1974-04-24T18:30:06+08:00",
              "utc": "1974-04-24T10:30:06Z",
              "ms": 136031405976.46884
            },
            "end": {
              "local": "1974-04-24T19:58:17+08:00",
              "utc": "1974-04-24T11:58:17Z",
              "ms": 136036696734.46722
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "1974-04-25",
          "window": {
            "start": {
              "local": "1974-04-25T18:30:37+08:00",
              "utc": "1974-04-25T10:30:37Z",
              "ms": 136117836537.51753
            },
            "end": {
              "local": "1974-04-25T19:58:36+08:00",
              "utc": "1974-04-25T11:58:36Z",
              "ms": 136123116359.19673
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 15:17 on Wed 24 Apr to 13:23 on Thu 25 Apr.",
          "fact": "1974-04-24T07:17:30Z → 1974-04-25T05:22:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–19:58 on the 24th, 18:31–19:59 on the 25th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 88 of 88 minutes on the 24th and 0 of 88 on the 25th.",
          "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 11556 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Fuzhou, 1974: Wednesday 24 April.",
          "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": "1974-04-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Jayantī 1974 falls on Wednesday 24 April. Tṛtīyā runs from 15:17 on Wed 24 Apr to 13:23 on Thu 25 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12706,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1974-04-24T15:17:30+08:00",
          "utc": "1974-04-24T07:17:30Z",
          "ms": 136019849990.65376
        },
        "end": {
          "local": "1974-04-25T13:22:56+08:00",
          "utc": "1974-04-25T05:22:56Z",
          "ms": 136099376329.18736
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-24T15:17:30+08:00",
          "utc": "1974-04-24T07:17:30Z",
          "ms": 136019849990.65376
        },
        "end": {
          "local": "1974-04-25T13:22:56+08:00",
          "utc": "1974-04-25T05:22:56Z",
          "ms": 136099376329.18736
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1974-04-24",
          "window": {
            "start": {
              "local": "1974-04-24T05:32:19+08:00",
              "utc": "1974-04-23T21:32:19Z",
              "ms": 135984738902.47768
            },
            "end": {
              "local": "1974-04-24T09:51:35+08:00",
              "utc": "1974-04-24T01:51:35Z",
              "ms": 136000294593.80806
            }
          },
          "covered_min": 0,
          "window_min": 259,
          "qualifies": false
        },
        {
          "local_date": "1974-04-25",
          "window": {
            "start": {
              "local": "1974-04-25T05:31:27+08:00",
              "utc": "1974-04-24T21:31:27Z",
              "ms": 136071086661.4567
            },
            "end": {
              "local": "1974-04-25T09:51:10+08:00",
              "utc": "1974-04-25T01:51:10Z",
              "ms": 136086669953.47697
            }
          },
          "covered_min": 260,
          "window_min": 260,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 15:17 on Wed 24 Apr to 13:23 on Thu 25 Apr.",
          "fact": "1974-04-24T07:17:30Z → 1974-04-25T05:22:56Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:32–09:52 on the 24th, 05:31–09:51 on the 25th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 259 minutes on the 24th and 260 of 260 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12706 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Fuzhou, 1974: Thursday 25 April.",
          "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": "1974-04-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Tṛtīyā 1974 falls on Thursday 25 April. Tṛtīyā runs from 15:17 on Wed 24 Apr to 13:23 on Thu 25 Apr and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1094,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1974-04-26T11:18:37+08:00",
          "utc": "1974-04-26T03:18:37Z",
          "ms": 136178317416.57451
        },
        "end": {
          "local": "1974-04-27T09:08:42+08:00",
          "utc": "1974-04-27T01:08:42Z",
          "ms": 136256921930.24292
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-26T11:18:37+08:00",
          "utc": "1974-04-26T03:18:37Z",
          "ms": 136178317416.57451
        },
        "end": {
          "local": "1974-04-27T09:08:42+08:00",
          "utc": "1974-04-27T01:08:42Z",
          "ms": 136256921930.24292
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-04-26",
          "window": {
            "start": {
              "local": "1974-04-26T11:36:51+08:00",
              "utc": "1974-04-26T03:36:51Z",
              "ms": 136179411222.70743
            },
            "end": {
              "local": "1974-04-26T12:24:51+08:00",
              "utc": "1974-04-26T04:24:51Z",
              "ms": 136182291222.70743
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-04-27",
          "window": {
            "start": {
              "local": "1974-04-27T11:36:41+08:00",
              "utc": "1974-04-27T03:36:41Z",
              "ms": 136265801315.6391
            },
            "end": {
              "local": "1974-04-27T12:24:41+08:00",
              "utc": "1974-04-27T04:24:41Z",
              "ms": 136268681315.6391
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 11:19 on Fri 26 Apr to 09:09 on Sat 27 Apr.",
          "fact": "1974-04-26T03:18:37Z → 1974-04-27T01:08:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 26th, 11:37–12:25 on the 27th.",
          "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 26th and 0 of 48 on the 27th.",
          "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 1094 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Fuzhou, 1974: Friday 26 April.",
          "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": "1974-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śaṅkara Jayantī 1974 falls on Friday 26 April. Pañcamī runs from 11:19 on Fri 26 Apr to 09:09 on Sat 27 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vinayaka-chaturthi?on=1974-04-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1094,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-04-25T13:22:56+08:00",
          "utc": "1974-04-25T05:22:56Z",
          "ms": 136099376329.18736
        },
        "end": {
          "local": "1974-04-26T11:18:37+08:00",
          "utc": "1974-04-26T03:18:37Z",
          "ms": 136178317416.57451
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-25T13:22:56+08:00",
          "utc": "1974-04-25T05:22:56Z",
          "ms": 136099376329.18736
        },
        "end": {
          "local": "1974-04-26T11:18:37+08:00",
          "utc": "1974-04-26T03:18:37Z",
          "ms": 136178317416.57451
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-04-25",
          "window": {
            "start": {
              "local": "1974-04-25T11:37:02+08:00",
              "utc": "1974-04-25T03:37:02Z",
              "ms": 136093021599.48712
            },
            "end": {
              "local": "1974-04-25T12:25:02+08:00",
              "utc": "1974-04-25T04:25:02Z",
              "ms": 136095901599.48712
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-04-26",
          "window": {
            "start": {
              "local": "1974-04-26T11:36:51+08:00",
              "utc": "1974-04-26T03:36:51Z",
              "ms": 136179411222.70743
            },
            "end": {
              "local": "1974-04-26T12:24:51+08:00",
              "utc": "1974-04-26T04:24:51Z",
              "ms": 136182291222.70743
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:23 on Thu 25 Apr to 11:19 on Fri 26 Apr.",
          "fact": "1974-04-25T05:22:56Z → 1974-04-26T03:18:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 25th, 11:37–12:25 on the 26th.",
          "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 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 1094 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Friday 26 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": "1974-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Friday 26 April. Caturthī runs from 13:23 on Thu 25 Apr to 11:19 on Fri 26 Apr, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-04-26",
      "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/1974/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16806,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1974-04-28T06:56:26+08:00",
          "utc": "1974-04-27T22:56:26Z",
          "ms": 136335386372.80974
        },
        "end": {
          "local": "1974-04-29T04:44:27+08:00",
          "utc": "1974-04-28T20:44:27Z",
          "ms": 136413867094.8268
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-04-28T06:56:26+08:00",
          "utc": "1974-04-27T22:56:26Z",
          "ms": 136335386372.80974
        },
        "end": {
          "local": "1974-04-29T04:44:27+08:00",
          "utc": "1974-04-28T20:44:27Z",
          "ms": 136413867094.8268
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-04-28",
          "window": {
            "start": {
              "local": "1974-04-28T11:36:32+08:00",
              "utc": "1974-04-28T03:36:32Z",
              "ms": 136352191885.11966
            },
            "end": {
              "local": "1974-04-28T12:24:32+08:00",
              "utc": "1974-04-28T04:24:32Z",
              "ms": 136355071885.11966
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-04-29",
          "window": {
            "start": {
              "local": "1974-04-29T11:36:23+08:00",
              "utc": "1974-04-29T03:36:23Z",
              "ms": 136438582938.55151
            },
            "end": {
              "local": "1974-04-29T12:24:23+08:00",
              "utc": "1974-04-29T04:24:23Z",
              "ms": 136441462938.55151
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 06:56 on Sun 28 Apr to 04:44 on Mon 29 Apr.",
          "fact": "1974-04-27T22:56:26Z → 1974-04-28T20:44:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 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": "Saptamī 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: purvaviddha → only-day · margin 16806 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Fuzhou, 1974: Sunday 28 April.",
          "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": "1974-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-04-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 1974 falls on Sunday 28 April. Saptamī runs from 06:56 on Sun 28 Apr to 04:44 on Mon 29 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-05-02",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24754,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-05-01T22:33:10+08:00",
          "utc": "1974-05-01T14:33:10Z",
          "ms": 136650790390.07822
        },
        "end": {
          "local": "1974-05-02T20:46:44+08:00",
          "utc": "1974-05-02T12:46:44Z",
          "ms": 136730803701.35205
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-01T22:33:10+08:00",
          "utc": "1974-05-01T14:33:10Z",
          "ms": 136650790390.07822
        },
        "end": {
          "local": "1974-05-02T20:46:44+08:00",
          "utc": "1974-05-02T12:46:44Z",
          "ms": 136730803701.35205
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-05-02",
          "window": {
            "start": {
              "local": "1974-05-02T05:25:44+08:00",
              "utc": "1974-05-01T21:25:44Z",
              "ms": 136675543917.18846
            },
            "end": {
              "local": "1974-05-02T05:25:44+08:00",
              "utc": "1974-05-01T21:25:44Z",
              "ms": 136675543917.18846
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-05-03",
          "window": {
            "start": {
              "local": "1974-05-03T05:24:58+08:00",
              "utc": "1974-05-02T21:24:58Z",
              "ms": 136761898481.55084
            },
            "end": {
              "local": "1974-05-03T05:24:58+08:00",
              "utc": "1974-05-02T21:24:58Z",
              "ms": 136761898481.55084
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:33 on Wed 1 May to 20:47 on Thu 2 May.",
          "fact": "1974-05-01T14:33:10Z → 1974-05-02T12:46:44Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:26 on the 2nd and 05:25 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.",
          "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 24754 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Fuzhou, 1974: Thursday 2 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": "1974-05-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mohinī Ekādaśī 1974 falls on Thursday 2 May. Ekādaśī runs from 22:33 on Wed 1 May to 20:47 on Thu 2 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-05-02",
      "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/1974/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24666,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1974-05-02T20:46:44+08:00",
          "utc": "1974-05-02T12:46:44Z",
          "ms": 136730803701.35205
        },
        "end": {
          "local": "1974-05-03T19:14:59+08:00",
          "utc": "1974-05-03T11:14:59Z",
          "ms": 136811698557.76329
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-02T20:46:44+08:00",
          "utc": "1974-05-02T12:46:44Z",
          "ms": 136730803701.35205
        },
        "end": {
          "local": "1974-05-03T19:14:59+08:00",
          "utc": "1974-05-03T11:14:59Z",
          "ms": 136811698557.76329
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-05-02",
          "window": {
            "start": {
              "local": "1974-05-02T11:35:59+08:00",
              "utc": "1974-05-02T03:35:59Z",
              "ms": 136697759086.18588
            },
            "end": {
              "local": "1974-05-02T12:23:59+08:00",
              "utc": "1974-05-02T04:23:59Z",
              "ms": 136700639086.18588
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-03",
          "window": {
            "start": {
              "local": "1974-05-03T11:35:52+08:00",
              "utc": "1974-05-03T03:35:52Z",
              "ms": 136784152161.83954
            },
            "end": {
              "local": "1974-05-03T12:23:52+08:00",
              "utc": "1974-05-03T04:23:52Z",
              "ms": 136787032161.83954
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 20:47 on Thu 2 May to 19:15 on Fri 3 May.",
          "fact": "1974-05-02T12:46:44Z → 1974-05-03T11:14:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 2nd, 11:36–12:24 on the 3rd.",
          "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 2nd and 48 of 48 on the 3rd.",
          "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 24666 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Fuzhou, 1974: Friday 3 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": "1974-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Dvādaśī 1974 falls on Friday 3 May. Dvādaśī runs from 20:47 on Thu 2 May to 19:15 on Fri 3 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24666,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1974-05-02T20:46:44+08:00",
          "utc": "1974-05-02T12:46:44Z",
          "ms": 136730803701.35205
        },
        "end": {
          "local": "1974-05-03T19:14:59+08:00",
          "utc": "1974-05-03T11:14:59Z",
          "ms": 136811698557.76329
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-02T20:46:44+08:00",
          "utc": "1974-05-02T12:46:44Z",
          "ms": 136730803701.35205
        },
        "end": {
          "local": "1974-05-03T19:14:59+08:00",
          "utc": "1974-05-03T11:14:59Z",
          "ms": 136811698557.76329
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-05-02",
          "window": {
            "start": {
              "local": "1974-05-02T11:35:59+08:00",
              "utc": "1974-05-02T03:35:59Z",
              "ms": 136697759086.18588
            },
            "end": {
              "local": "1974-05-02T12:23:59+08:00",
              "utc": "1974-05-02T04:23:59Z",
              "ms": 136700639086.18588
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-03",
          "window": {
            "start": {
              "local": "1974-05-03T11:35:52+08:00",
              "utc": "1974-05-03T03:35:52Z",
              "ms": 136784152161.83954
            },
            "end": {
              "local": "1974-05-03T12:23:52+08:00",
              "utc": "1974-05-03T04:23:52Z",
              "ms": 136787032161.83954
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 20:47 on Thu 2 May to 19:15 on Fri 3 May.",
          "fact": "1974-05-02T12:46:44Z → 1974-05-03T11:14:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 2nd, 11:36–12:24 on the 3rd.",
          "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 2nd and 48 of 48 on the 3rd.",
          "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 24666 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Fuzhou, 1974: Friday 3 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": "1974-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rukmiṇī Dvādaśī 1974 falls on Friday 3 May. Dvādaśī runs from 20:47 on Thu 2 May to 19:15 on Fri 3 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pradosha-vrata?on=1974-05-03",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1969,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-05-03T19:14:59+08:00",
          "utc": "1974-05-03T11:14:59Z",
          "ms": 136811698557.76329
        },
        "end": {
          "local": "1974-05-04T18:02:29+08:00",
          "utc": "1974-05-04T10:02:29Z",
          "ms": 136893748584.19756
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-03T19:14:59+08:00",
          "utc": "1974-05-03T11:14:59Z",
          "ms": 136811698557.76329
        },
        "end": {
          "local": "1974-05-04T18:02:29+08:00",
          "utc": "1974-05-04T10:02:29Z",
          "ms": 136893748584.19756
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-05-03",
          "window": {
            "start": {
              "local": "1974-05-03T18:34:46+08:00",
              "utc": "1974-05-03T10:34:46Z",
              "ms": 136809285842.12825
            },
            "end": {
              "local": "1974-05-03T20:01:22+08:00",
              "utc": "1974-05-03T12:01:22Z",
              "ms": 136814481595.74796
            }
          },
          "covered_min": 46,
          "window_min": 87,
          "qualifies": true
        },
        {
          "local_date": "1974-05-04",
          "window": {
            "start": {
              "local": "1974-05-04T18:35:18+08:00",
              "utc": "1974-05-04T10:35:18Z",
              "ms": 136895717539.44272
            },
            "end": {
              "local": "1974-05-04T20:01:43+08:00",
              "utc": "1974-05-04T12:01:43Z",
              "ms": 136900903264.59477
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:15 on Fri 3 May to 18:02 on Sat 4 May.",
          "fact": "1974-05-03T11:14:59Z → 1974-05-04T10:02:29Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:01 on the 3rd, 18:35–20:02 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 46 of 87 minutes on the 3rd and 0 of 86 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 1969 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Friday 3 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": "1974-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Friday 3 May. Trayodaśī runs from 19:15 on Fri 3 May to 18:02 on Sat 4 May and covers 46 of 87 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-05-03",
      "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/1974/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1969,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-05-04T18:02:29+08:00",
          "utc": "1974-05-04T10:02:29Z",
          "ms": 136893748584.19756
        },
        "end": {
          "local": "1974-05-05T17:14:06+08:00",
          "utc": "1974-05-05T09:14:06Z",
          "ms": 136977245899.75098
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-04T18:02:29+08:00",
          "utc": "1974-05-04T10:02:29Z",
          "ms": 136893748584.19756
        },
        "end": {
          "local": "1974-05-05T17:14:06+08:00",
          "utc": "1974-05-05T09:14:06Z",
          "ms": 136977245899.75098
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-05-04",
          "window": {
            "start": {
              "local": "1974-05-04T18:35:18+08:00",
              "utc": "1974-05-04T10:35:18Z",
              "ms": 136895717539.44272
            },
            "end": {
              "local": "1974-05-04T20:01:43+08:00",
              "utc": "1974-05-04T12:01:43Z",
              "ms": 136900903264.59477
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        },
        {
          "local_date": "1974-05-05",
          "window": {
            "start": {
              "local": "1974-05-05T18:35:49+08:00",
              "utc": "1974-05-05T10:35:49Z",
              "ms": 136982149343.44667
            },
            "end": {
              "local": "1974-05-05T20:02:05+08:00",
              "utc": "1974-05-05T12:02:05Z",
              "ms": 136987325158.39903
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:02 on Sat 4 May to 17:14 on Sun 5 May.",
          "fact": "1974-05-04T10:02:29Z → 1974-05-05T09:14:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:02 on the 4th, 18:36–20:02 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 4th and 0 of 86 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1969 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Fuzhou, 1974: Saturday 4 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": "1974-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1974 falls on Saturday 4 May. Caturdaśī runs from 18:02 on Sat 4 May to 17:14 on Sun 5 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16257,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-05-05T17:14:06+08:00",
          "utc": "1974-05-05T09:14:06Z",
          "ms": 136977245899.75098
        },
        "end": {
          "local": "1974-05-06T16:54:32+08:00",
          "utc": "1974-05-06T08:54:32Z",
          "ms": 137062471932.64622
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-05T17:14:06+08:00",
          "utc": "1974-05-05T09:14:06Z",
          "ms": 136977245899.75098
        },
        "end": {
          "local": "1974-05-06T16:54:32+08:00",
          "utc": "1974-05-06T08:54:32Z",
          "ms": 137062471932.64622
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-05-05",
          "window": {
            "start": {
              "local": "1974-05-05T11:35:40+08:00",
              "utc": "1974-05-05T03:35:40Z",
              "ms": 136956939910.7649
            },
            "end": {
              "local": "1974-05-05T12:23:40+08:00",
              "utc": "1974-05-05T04:23:40Z",
              "ms": 136959819910.7649
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-06",
          "window": {
            "start": {
              "local": "1974-05-06T11:35:35+08:00",
              "utc": "1974-05-06T03:35:35Z",
              "ms": 137043334602.61737
            },
            "end": {
              "local": "1974-05-06T12:23:35+08:00",
              "utc": "1974-05-06T04:23:35Z",
              "ms": 137046214602.61737
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 17:14 on Sun 5 May to 16:55 on Mon 6 May.",
          "fact": "1974-05-05T09:14:06Z → 1974-05-06T08:54:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 5th, 11:36–12:24 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16257 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Fuzhou, 1974: Monday 6 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": "1974-05-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Buddha Pūrṇimā 1974 falls on Monday 6 May. Pūrṇimā runs from 17:14 on Sun 5 May to 16:55 on Mon 6 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16257,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-05-05T17:14:06+08:00",
          "utc": "1974-05-05T09:14:06Z",
          "ms": 136977245899.75098
        },
        "end": {
          "local": "1974-05-06T16:54:32+08:00",
          "utc": "1974-05-06T08:54:32Z",
          "ms": 137062471932.64622
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-05T17:14:06+08:00",
          "utc": "1974-05-05T09:14:06Z",
          "ms": 136977245899.75098
        },
        "end": {
          "local": "1974-05-06T16:54:32+08:00",
          "utc": "1974-05-06T08:54:32Z",
          "ms": 137062471932.64622
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-05-05",
          "window": {
            "start": {
              "local": "1974-05-05T11:35:40+08:00",
              "utc": "1974-05-05T03:35:40Z",
              "ms": 136956939910.7649
            },
            "end": {
              "local": "1974-05-05T12:23:40+08:00",
              "utc": "1974-05-05T04:23:40Z",
              "ms": 136959819910.7649
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-06",
          "window": {
            "start": {
              "local": "1974-05-06T11:35:35+08:00",
              "utc": "1974-05-06T03:35:35Z",
              "ms": 137043334602.61737
            },
            "end": {
              "local": "1974-05-06T12:23:35+08:00",
              "utc": "1974-05-06T04:23:35Z",
              "ms": 137046214602.61737
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 17:14 on Sun 5 May to 16:55 on Mon 6 May.",
          "fact": "1974-05-05T09:14:06Z → 1974-05-06T08:54:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 5th, 11:36–12:24 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16257 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Fuzhou, 1974: Monday 6 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": "1974-05-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sampat Gaurī Vrata 1974 falls on Monday 6 May. Pūrṇimā runs from 17:14 on Sun 5 May to 16:55 on Mon 6 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-05-09",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3661,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-05-09T19:17:47+08:00",
          "utc": "1974-05-09T11:17:47Z",
          "ms": 137330267293.1942
        },
        "end": {
          "local": "1974-05-10T21:10:39+08:00",
          "utc": "1974-05-10T13:10:39Z",
          "ms": 137423439436.14244
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-09T19:17:47+08:00",
          "utc": "1974-05-09T11:17:47Z",
          "ms": 137330267293.1942
        },
        "end": {
          "local": "1974-05-10T21:10:39+08:00",
          "utc": "1974-05-10T13:10:39Z",
          "ms": 137423439436.14244
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-05-09",
          "window": {
            "start": {
              "local": "1974-05-09T21:24:57+08:00",
              "utc": "1974-05-09T13:24:57Z",
              "ms": 137337896968.71921
            },
            "end": {
              "local": "1974-05-09T21:24:57+08:00",
              "utc": "1974-05-09T13:24:57Z",
              "ms": 137337896968.71921
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-05-10",
          "window": {
            "start": {
              "local": "1974-05-10T22:11:41+08:00",
              "utc": "1974-05-10T14:11:41Z",
              "ms": 137427100829.28052
            },
            "end": {
              "local": "1974-05-10T22:11:41+08:00",
              "utc": "1974-05-10T14:11:41Z",
              "ms": 137427100829.28052
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:18 on Thu 9 May to 21:11 on Fri 10 May.",
          "fact": "1974-05-09T11:17:47Z → 1974-05-10T13:10:39Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:25 on the 9th and 22:12 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 9th and is not on the 10th.",
          "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 3661 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Thursday 9 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": "1974-05-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Thursday 9 May. Caturthī runs from 19:18 on Thu 9 May to 21:11 on Fri 10 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-05-09",
      "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/1974/ekadashi?on=1974-05-18",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14567,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-05-17T09:18:58+08:00",
          "utc": "1974-05-17T01:18:58Z",
          "ms": 137985538343.43796
        },
        "end": {
          "local": "1974-05-18T09:41:45+08:00",
          "utc": "1974-05-18T01:41:45Z",
          "ms": 138073304650.39224
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-17T09:18:58+08:00",
          "utc": "1974-05-17T01:18:58Z",
          "ms": 137985538343.43796
        },
        "end": {
          "local": "1974-05-18T09:41:45+08:00",
          "utc": "1974-05-18T01:41:45Z",
          "ms": 138073304650.39224
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-05-17",
          "window": {
            "start": {
              "local": "1974-05-17T05:16:12+08:00",
              "utc": "1974-05-16T21:16:12Z",
              "ms": 137970971696.95505
            },
            "end": {
              "local": "1974-05-17T05:16:12+08:00",
              "utc": "1974-05-16T21:16:12Z",
              "ms": 137970971696.95505
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-05-18",
          "window": {
            "start": {
              "local": "1974-05-18T05:15:43+08:00",
              "utc": "1974-05-17T21:15:43Z",
              "ms": 138057342627.26318
            },
            "end": {
              "local": "1974-05-18T05:15:43+08:00",
              "utc": "1974-05-17T21:15:43Z",
              "ms": 138057342627.26318
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:19 on Fri 17 May to 09:42 on Sat 18 May.",
          "fact": "1974-05-17T01:18:58Z → 1974-05-18T01:41:45Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:16 on the 17th and 05:16 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is 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 14567 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Fuzhou, 1974: Saturday 18 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": "1974-05-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aparā Ekādaśī 1974 falls on Saturday 18 May. Ekādaśī runs from 09:19 on Fri 17 May to 09:42 on Sat 18 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-05-18",
      "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/1974/pradosha-vrata?on=1974-05-19",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33739,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-05-19T09:21:02+08:00",
          "utc": "1974-05-19T01:21:02Z",
          "ms": 138158461983.68442
        },
        "end": {
          "local": "1974-05-20T08:19:17+08:00",
          "utc": "1974-05-20T00:19:17Z",
          "ms": 138241157189.1844
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-19T09:21:02+08:00",
          "utc": "1974-05-19T01:21:02Z",
          "ms": 138158461983.68442
        },
        "end": {
          "local": "1974-05-20T08:19:17+08:00",
          "utc": "1974-05-20T00:19:17Z",
          "ms": 138241157189.1844
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-05-19",
          "window": {
            "start": {
              "local": "1974-05-19T18:43:21+08:00",
              "utc": "1974-05-19T10:43:21Z",
              "ms": 138192200798.55984
            },
            "end": {
              "local": "1974-05-19T20:07:32+08:00",
              "utc": "1974-05-19T12:07:32Z",
              "ms": 138197252445.10794
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "1974-05-20",
          "window": {
            "start": {
              "local": "1974-05-20T18:43:53+08:00",
              "utc": "1974-05-20T10:43:53Z",
              "ms": 138278632887.05948
            },
            "end": {
              "local": "1974-05-20T20:07:57+08:00",
              "utc": "1974-05-20T12:07:57Z",
              "ms": 138283676869.08078
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:21 on Sun 19 May to 08:19 on Mon 20 May.",
          "fact": "1974-05-19T01:21:02Z → 1974-05-20T00:19:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:08 on the 19th, 18:44–20:08 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 84 of 84 minutes on the 19th and 0 of 84 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 33739 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Sunday 19 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": "1974-05-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Sunday 19 May. Trayodaśī runs from 09:21 on Sun 19 May to 08:19 on Mon 20 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-05-19",
      "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/1974/shivaratri?on=1974-05-20",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22702,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-05-20T08:19:17+08:00",
          "utc": "1974-05-20T00:19:17Z",
          "ms": 138241157189.1844
        },
        "end": {
          "local": "1974-05-21T06:41:30+08:00",
          "utc": "1974-05-20T22:41:30Z",
          "ms": 138321689722.6963
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-20T08:19:17+08:00",
          "utc": "1974-05-20T00:19:17Z",
          "ms": 138241157189.1844
        },
        "end": {
          "local": "1974-05-21T06:41:30+08:00",
          "utc": "1974-05-20T22:41:30Z",
          "ms": 138321689722.6963
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-05-19",
          "window": {
            "start": {
              "local": "1974-05-19T23:35:04+08:00",
              "utc": "1974-05-19T15:35:04Z",
              "ms": 138209704473.11517
            },
            "end": {
              "local": "1974-05-20T00:23:04+08:00",
              "utc": "1974-05-19T16:23:04Z",
              "ms": 138212584473.11517
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-20",
          "window": {
            "start": {
              "local": "1974-05-20T23:35:08+08:00",
              "utc": "1974-05-20T15:35:08Z",
              "ms": 138296107819.63934
            },
            "end": {
              "local": "1974-05-21T00:23:08+08:00",
              "utc": "1974-05-20T16:23:08Z",
              "ms": 138298987819.63934
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:19 on Mon 20 May to 06:41 on Tue 21 May.",
          "fact": "1974-05-20T00:19:17Z → 1974-05-20T22:41:30Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 19th, 23:35–00:23 on the 20th.",
          "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 19th and 48 of 48 on the 20th.",
          "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 22702 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Monday 20 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": "1974-05-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Monday 20 May. Caturdaśī runs from 08:19 on Mon 20 May to 06:41 on Tue 21 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-05-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29222,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1974-05-23T23:21:19+08:00",
          "utc": "1974-05-23T15:21:19Z",
          "ms": 138554478928.02884
        },
        "end": {
          "local": "1974-05-24T20:30:39+08:00",
          "utc": "1974-05-24T12:30:39Z",
          "ms": 138630638935.58148
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-23T23:21:19+08:00",
          "utc": "1974-05-23T15:21:19Z",
          "ms": 138554478928.02884
        },
        "end": {
          "local": "1974-05-24T20:30:39+08:00",
          "utc": "1974-05-24T12:30:39Z",
          "ms": 138630638935.58148
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-05-23",
          "window": {
            "start": {
              "local": "1974-05-23T11:35:32+08:00",
              "utc": "1974-05-23T03:35:32Z",
              "ms": 138512131951.10828
            },
            "end": {
              "local": "1974-05-23T12:23:32+08:00",
              "utc": "1974-05-23T04:23:32Z",
              "ms": 138515011951.10828
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-24",
          "window": {
            "start": {
              "local": "1974-05-24T11:35:37+08:00",
              "utc": "1974-05-24T03:35:37Z",
              "ms": 138598536798.60992
            },
            "end": {
              "local": "1974-05-24T12:23:37+08:00",
              "utc": "1974-05-24T04:23:37Z",
              "ms": 138601416798.60992
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 23:21 on Thu 23 May to 20:31 on Fri 24 May.",
          "fact": "1974-05-23T15:21:19Z → 1974-05-24T12:30:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 23rd, 11:36–12:24 on the 24th.",
          "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 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 29222 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Fuzhou, 1974: Friday 24 May.",
          "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": "1974-05-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rambhā Tṛtīyā 1974 falls on Friday 24 May. Tṛtīyā runs from 23:21 on Thu 23 May to 20:31 on Fri 24 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vinayaka-chaturthi?on=1974-05-25",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18971,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-05-24T20:30:39+08:00",
          "utc": "1974-05-24T12:30:39Z",
          "ms": 138630638935.58148
        },
        "end": {
          "local": "1974-05-25T17:39:53+08:00",
          "utc": "1974-05-25T09:39:53Z",
          "ms": 138706793293.52078
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-24T20:30:39+08:00",
          "utc": "1974-05-24T12:30:39Z",
          "ms": 138630638935.58148
        },
        "end": {
          "local": "1974-05-25T17:39:53+08:00",
          "utc": "1974-05-25T09:39:53Z",
          "ms": 138706793293.52078
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-05-24",
          "window": {
            "start": {
              "local": "1974-05-24T11:35:37+08:00",
              "utc": "1974-05-24T03:35:37Z",
              "ms": 138598536798.60992
            },
            "end": {
              "local": "1974-05-24T12:23:37+08:00",
              "utc": "1974-05-24T04:23:37Z",
              "ms": 138601416798.60992
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-25",
          "window": {
            "start": {
              "local": "1974-05-25T11:35:42+08:00",
              "utc": "1974-05-25T03:35:42Z",
              "ms": 138684942139.69525
            },
            "end": {
              "local": "1974-05-25T12:23:42+08:00",
              "utc": "1974-05-25T04:23:42Z",
              "ms": 138687822139.69525
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:31 on Fri 24 May to 17:40 on Sat 25 May.",
          "fact": "1974-05-24T12:30:39Z → 1974-05-25T09:39:53Z"
        },
        {
          "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": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18971 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Saturday 25 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": "1974-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Saturday 25 May. Caturthī runs from 20:31 on Fri 24 May to 17:40 on Sat 25 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-05-25",
      "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/1974/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-27",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 114,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1974-05-26T14:55:13+08:00",
          "utc": "1974-05-26T06:55:13Z",
          "ms": 138783313329.0995
        },
        "end": {
          "local": "1974-05-27T12:22:00+08:00",
          "utc": "1974-05-27T04:22:00Z",
          "ms": 138860520381.55417
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-26T14:55:13+08:00",
          "utc": "1974-05-26T06:55:13Z",
          "ms": 138783313329.0995
        },
        "end": {
          "local": "1974-05-27T12:22:00+08:00",
          "utc": "1974-05-27T04:22:00Z",
          "ms": 138860520381.55417
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-05-26",
          "window": {
            "start": {
              "local": "1974-05-26T11:35:48+08:00",
              "utc": "1974-05-26T03:35:48Z",
              "ms": 138771347959.3643
            },
            "end": {
              "local": "1974-05-26T12:23:48+08:00",
              "utc": "1974-05-26T04:23:48Z",
              "ms": 138774227959.3643
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-27",
          "window": {
            "start": {
              "local": "1974-05-27T11:35:54+08:00",
              "utc": "1974-05-27T03:35:54Z",
              "ms": 138857754243.08203
            },
            "end": {
              "local": "1974-05-27T12:23:54+08:00",
              "utc": "1974-05-27T04:23:54Z",
              "ms": 138860634243.08203
            }
          },
          "covered_min": 46,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 14:55 on Sun 26 May to 12:22 on Mon 27 May.",
          "fact": "1974-05-26T06:55:13Z → 1974-05-27T04:22:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 26th, 11:36–12:24 on the 27th.",
          "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 26th and 46 of 48 on the 27th.",
          "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 114 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Fuzhou, 1974: Monday 27 May.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1974-05-27",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Araṇya Gaurī Vrata 1974 falls on Monday 27 May. Ṣaṣṭhī runs from 14:55 on Sun 26 May to 12:22 on Mon 27 May and covers 46 of 48 minutes of madhyāhna that midday. It is 1 min 54 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-27",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 114,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1974-05-26T14:55:13+08:00",
          "utc": "1974-05-26T06:55:13Z",
          "ms": 138783313329.0995
        },
        "end": {
          "local": "1974-05-27T12:22:00+08:00",
          "utc": "1974-05-27T04:22:00Z",
          "ms": 138860520381.55417
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-26T14:55:13+08:00",
          "utc": "1974-05-26T06:55:13Z",
          "ms": 138783313329.0995
        },
        "end": {
          "local": "1974-05-27T12:22:00+08:00",
          "utc": "1974-05-27T04:22:00Z",
          "ms": 138860520381.55417
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-05-26",
          "window": {
            "start": {
              "local": "1974-05-26T11:35:48+08:00",
              "utc": "1974-05-26T03:35:48Z",
              "ms": 138771347959.3643
            },
            "end": {
              "local": "1974-05-26T12:23:48+08:00",
              "utc": "1974-05-26T04:23:48Z",
              "ms": 138774227959.3643
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-05-27",
          "window": {
            "start": {
              "local": "1974-05-27T11:35:54+08:00",
              "utc": "1974-05-27T03:35:54Z",
              "ms": 138857754243.08203
            },
            "end": {
              "local": "1974-05-27T12:23:54+08:00",
              "utc": "1974-05-27T04:23:54Z",
              "ms": 138860634243.08203
            }
          },
          "covered_min": 46,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 14:55 on Sun 26 May to 12:22 on Mon 27 May.",
          "fact": "1974-05-26T06:55:13Z → 1974-05-27T04:22:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 26th, 11:36–12:24 on the 27th.",
          "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 26th and 46 of 48 on the 27th.",
          "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 114 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 1974: Monday 27 May.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1974-05-27",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1974 falls on Monday 27 May. Ṣaṣṭhī runs from 14:55 on Sun 26 May to 12:22 on Mon 27 May and covers 46 of 48 minutes of madhyāhna that midday. It is 1 min 54 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-05-31",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-05-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 535,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-05-31T05:20:12+08:00",
          "utc": "1974-05-30T21:20:12Z",
          "ms": 139180811526.68976
        },
        "end": {
          "local": "1974-06-01T04:34:55+08:00",
          "utc": "1974-05-31T20:34:55Z",
          "ms": 139264495000.1621
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-05-31T05:20:12+08:00",
          "utc": "1974-05-30T21:20:12Z",
          "ms": 139180811526.68976
        },
        "end": {
          "local": "1974-06-01T04:34:55+08:00",
          "utc": "1974-05-31T20:34:55Z",
          "ms": 139264495000.1621
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-05-31",
          "window": {
            "start": {
              "local": "1974-05-31T05:11:17+08:00",
              "utc": "1974-05-30T21:11:17Z",
              "ms": 139180277016.7702
            },
            "end": {
              "local": "1974-05-31T05:11:17+08:00",
              "utc": "1974-05-30T21:11:17Z",
              "ms": 139180277016.7702
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-06-01",
          "window": {
            "start": {
              "local": "1974-06-01T05:11:05+08:00",
              "utc": "1974-05-31T21:11:05Z",
              "ms": 139266665286.41678
            },
            "end": {
              "local": "1974-06-01T05:11:05+08:00",
              "utc": "1974-05-31T21:11:05Z",
              "ms": 139266665286.41678
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:20 on Fri 31 May to 04:35 on Sat 1 Jun.",
          "fact": "1974-05-30T21:20:12Z → 1974-05-31T20:34:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:11 on the 31st and 05:11 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is not on the 1st.",
          "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 535 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Fuzhou, 1974: Friday 31 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": "1974-05-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-05-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nirjalā Ekādaśī 1974 falls on Friday 31 May. Ekādaśī runs from 05:20 on Fri 31 May to 04:35 on Sat 1 Jun, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-05-31",
      "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/1974/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25297,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1974-06-01T04:34:55+08:00",
          "utc": "1974-05-31T20:34:55Z",
          "ms": 139264495000.1621
        },
        "end": {
          "local": "1974-06-02T04:16:41+08:00",
          "utc": "1974-06-01T20:16:41Z",
          "ms": 139349800927.78513
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-01T04:34:55+08:00",
          "utc": "1974-05-31T20:34:55Z",
          "ms": 139264495000.1621
        },
        "end": {
          "local": "1974-06-02T04:16:41+08:00",
          "utc": "1974-06-01T20:16:41Z",
          "ms": 139349800927.78513
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-06-01",
          "window": {
            "start": {
              "local": "1974-06-01T11:36:32+08:00",
              "utc": "1974-06-01T03:36:32Z",
              "ms": 139289792156.14005
            },
            "end": {
              "local": "1974-06-01T12:24:32+08:00",
              "utc": "1974-06-01T04:24:32Z",
              "ms": 139292672156.14005
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-06-02",
          "window": {
            "start": {
              "local": "1974-06-02T11:36:41+08:00",
              "utc": "1974-06-02T03:36:41Z",
              "ms": 139376200948.97327
            },
            "end": {
              "local": "1974-06-02T12:24:41+08:00",
              "utc": "1974-06-02T04:24:41Z",
              "ms": 139379080948.97327
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 04:35 on Sat 1 Jun to 04:17 on Sun 2 Jun.",
          "fact": "1974-05-31T20:34:55Z → 1974-06-01T20:16:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 1st, 11:37–12:25 on the 2nd.",
          "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 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 25297 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Fuzhou, 1974: Saturday 1 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": "1974-06-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Rāma Dvādaśī 1974 falls on Saturday 1 June. Dvādaśī runs from 04:35 on Sat 1 Jun to 04:17 on Sun 2 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pradosha-vrata?on=1974-06-02",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29034,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-06-02T04:16:41+08:00",
          "utc": "1974-06-01T20:16:41Z",
          "ms": 139349800927.78513
        },
        "end": {
          "local": "1974-06-03T04:26:16+08:00",
          "utc": "1974-06-02T20:26:16Z",
          "ms": 139436776104.61948
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-02T04:16:41+08:00",
          "utc": "1974-06-01T20:16:41Z",
          "ms": 139349800927.78513
        },
        "end": {
          "local": "1974-06-03T04:26:16+08:00",
          "utc": "1974-06-02T20:26:16Z",
          "ms": 139436776104.61948
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-06-01",
          "window": {
            "start": {
              "local": "1974-06-01T18:49:59+08:00",
              "utc": "1974-06-01T10:49:59Z",
              "ms": 139315799025.8633
            },
            "end": {
              "local": "1974-06-01T20:12:46+08:00",
              "utc": "1974-06-01T12:12:46Z",
              "ms": 139320766462.72534
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "1974-06-02",
          "window": {
            "start": {
              "local": "1974-06-02T18:50:27+08:00",
              "utc": "1974-06-02T10:50:27Z",
              "ms": 139402227095.61804
            },
            "end": {
              "local": "1974-06-02T20:13:10+08:00",
              "utc": "1974-06-02T12:13:10Z",
              "ms": 139407189558.15384
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:17 on Sun 2 Jun to 04:26 on Mon 3 Jun.",
          "fact": "1974-06-01T20:16:41Z → 1974-06-02T20:26:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:13 on the 1st, 18:50–20:13 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 1st and 83 of 83 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29034 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Sunday 2 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": "1974-06-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Sunday 2 June. Trayodaśī runs from 04:17 on Sun 2 Jun to 04:26 on Mon 3 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-06-02",
      "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/1974/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31829,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-06-04T05:04:01+08:00",
          "utc": "1974-06-03T21:04:01Z",
          "ms": 139525441355.22113
        },
        "end": {
          "local": "1974-06-05T06:09:38+08:00",
          "utc": "1974-06-04T22:09:38Z",
          "ms": 139615777541.3342
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-04T05:04:01+08:00",
          "utc": "1974-06-03T21:04:01Z",
          "ms": 139525441355.22113
        },
        "end": {
          "local": "1974-06-05T06:09:38+08:00",
          "utc": "1974-06-04T22:09:38Z",
          "ms": 139615777541.3342
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-06-03",
          "window": {
            "start": {
              "local": "1974-06-03T18:50:55+08:00",
              "utc": "1974-06-03T10:50:55Z",
              "ms": 139488654667.56287
            },
            "end": {
              "local": "1974-06-03T20:13:32+08:00",
              "utc": "1974-06-03T12:13:32Z",
              "ms": 139493612388.19235
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "1974-06-04",
          "window": {
            "start": {
              "local": "1974-06-04T18:51:22+08:00",
              "utc": "1974-06-04T10:51:22Z",
              "ms": 139575081716.4545
            },
            "end": {
              "local": "1974-06-04T20:13:55+08:00",
              "utc": "1974-06-04T12:13:55Z",
              "ms": 139580034930.6983
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:04 on Tue 4 Jun to 06:10 on Wed 5 Jun.",
          "fact": "1974-06-03T21:04:01Z → 1974-06-04T22:09:38Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:14 on the 3rd, 18:51–20:14 on the 4th.",
          "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 83 minutes on the 3rd and 83 of 83 on the 4th.",
          "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 31829 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 1974: Tuesday 4 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": "1974-06-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 1974 falls on Tuesday 4 June. Pūrṇimā runs from 05:04 on Tue 4 Jun to 06:10 on Wed 5 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-06-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28193,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-06-08T11:51:31+08:00",
          "utc": "1974-06-08T03:51:31Z",
          "ms": 139895491178.54327
        },
        "end": {
          "local": "1974-06-09T14:16:58+08:00",
          "utc": "1974-06-09T06:16:58Z",
          "ms": 139990618366.35406
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-08T11:51:31+08:00",
          "utc": "1974-06-08T03:51:31Z",
          "ms": 139895491178.54327
        },
        "end": {
          "local": "1974-06-09T14:16:58+08:00",
          "utc": "1974-06-09T06:16:58Z",
          "ms": 139990618366.35406
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-06-08",
          "window": {
            "start": {
              "local": "1974-06-08T21:30:17+08:00",
              "utc": "1974-06-08T13:30:17Z",
              "ms": 139930216807.56747
            },
            "end": {
              "local": "1974-06-08T21:30:17+08:00",
              "utc": "1974-06-08T13:30:17Z",
              "ms": 139930216807.56747
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-06-09",
          "window": {
            "start": {
              "local": "1974-06-09T22:06:51+08:00",
              "utc": "1974-06-09T14:06:51Z",
              "ms": 140018811358.6749
            },
            "end": {
              "local": "1974-06-09T22:06:51+08:00",
              "utc": "1974-06-09T14:06:51Z",
              "ms": 140018811358.6749
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:52 on Sat 8 Jun to 14:17 on Sun 9 Jun.",
          "fact": "1974-06-08T03:51:31Z → 1974-06-09T06:16:58Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:30 on the 8th and 22:07 on the 9th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.",
          "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 28193 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Saturday 8 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": "1974-06-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Saturday 8 June. Caturthī runs from 11:52 on Sat 8 Jun to 14:17 on Sun 9 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-06-08",
      "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/1974/ekadashi?on=1974-06-16",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21746,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-06-15T23:08:10+08:00",
          "utc": "1974-06-15T15:08:10Z",
          "ms": 140540890399.77652
        },
        "end": {
          "local": "1974-06-16T22:22:17+08:00",
          "utc": "1974-06-16T14:22:17Z",
          "ms": 140624537370.08258
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-15T23:08:10+08:00",
          "utc": "1974-06-15T15:08:10Z",
          "ms": 140540890399.77652
        },
        "end": {
          "local": "1974-06-16T22:22:17+08:00",
          "utc": "1974-06-16T14:22:17Z",
          "ms": 140624537370.08258
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-06-16",
          "window": {
            "start": {
              "local": "1974-06-16T05:10:37+08:00",
              "utc": "1974-06-15T21:10:37Z",
              "ms": 140562636887.13953
            },
            "end": {
              "local": "1974-06-16T05:10:37+08:00",
              "utc": "1974-06-15T21:10:37Z",
              "ms": 140562636887.13953
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-06-17",
          "window": {
            "start": {
              "local": "1974-06-17T05:10:44+08:00",
              "utc": "1974-06-16T21:10:44Z",
              "ms": 140649044447.88147
            },
            "end": {
              "local": "1974-06-17T05:10:44+08:00",
              "utc": "1974-06-16T21:10:44Z",
              "ms": 140649044447.88147
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:08 on Sat 15 Jun to 22:22 on Sun 16 Jun.",
          "fact": "1974-06-15T15:08:10Z → 1974-06-16T14:22:17Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:11 on the 16th and 05:11 on the 17th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is 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": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21746 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Fuzhou, 1974: Sunday 16 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": "1974-06-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yoginī Ekādaśī 1974 falls on Sunday 16 June. Ekādaśī runs from 23:08 on Sat 15 Jun to 22:22 on Sun 16 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-06-16",
      "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/1974/pradosha-vrata?on=1974-06-17",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-17",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 793,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-06-17T20:52:25+08:00",
          "utc": "1974-06-17T12:52:25Z",
          "ms": 140705544746.9805
        },
        "end": {
          "local": "1974-06-18T18:43:18+08:00",
          "utc": "1974-06-18T10:43:18Z",
          "ms": 140784197915.2514
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-17T20:52:25+08:00",
          "utc": "1974-06-17T12:52:25Z",
          "ms": 140705544746.9805
        },
        "end": {
          "local": "1974-06-18T18:43:18+08:00",
          "utc": "1974-06-18T10:43:18Z",
          "ms": 140784197915.2514
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-06-17",
          "window": {
            "start": {
              "local": "1974-06-17T18:56:14+08:00",
              "utc": "1974-06-17T10:56:14Z",
              "ms": 140698573630.2826
            },
            "end": {
              "local": "1974-06-17T20:18:11+08:00",
              "utc": "1974-06-17T12:18:11Z",
              "ms": 140703490893.26105
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        },
        {
          "local_date": "1974-06-18",
          "window": {
            "start": {
              "local": "1974-06-18T18:56:31+08:00",
              "utc": "1974-06-18T10:56:31Z",
              "ms": 140784990519.6938
            },
            "end": {
              "local": "1974-06-18T20:18:27+08:00",
              "utc": "1974-06-18T12:18:27Z",
              "ms": 140789906827.32608
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:52 on Mon 17 Jun to 18:43 on Tue 18 Jun.",
          "fact": "1974-06-17T12:52:25Z → 1974-06-18T10:43:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:18 on the 17th, 18:57–20:18 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 82 minutes on the 17th and 0 of 82 on the 18th.",
          "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 793 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Monday 17 June.",
          "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": "1974-06-17",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Monday 17 June. Trayodaśī runs from 20:52 on Mon 17 Jun to 18:43 on Tue 18 Jun, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-06-17",
      "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/1974/shivaratri?on=1974-06-18",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17789,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-06-18T18:43:18+08:00",
          "utc": "1974-06-18T10:43:18Z",
          "ms": 140784197915.2514
        },
        "end": {
          "local": "1974-06-19T16:01:42+08:00",
          "utc": "1974-06-19T08:01:42Z",
          "ms": 140860901526.3486
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-18T18:43:18+08:00",
          "utc": "1974-06-18T10:43:18Z",
          "ms": 140784197915.2514
        },
        "end": {
          "local": "1974-06-19T16:01:42+08:00",
          "utc": "1974-06-19T08:01:42Z",
          "ms": 140860901526.3486
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-06-18",
          "window": {
            "start": {
              "local": "1974-06-18T23:39:47+08:00",
              "utc": "1974-06-18T15:39:47Z",
              "ms": 140801986673.31482
            },
            "end": {
              "local": "1974-06-19T00:27:47+08:00",
              "utc": "1974-06-18T16:27:47Z",
              "ms": 140804866673.31482
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-06-19",
          "window": {
            "start": {
              "local": "1974-06-19T23:40:00+08:00",
              "utc": "1974-06-19T15:40:00Z",
              "ms": 140888400032.16138
            },
            "end": {
              "local": "1974-06-20T00:28:00+08:00",
              "utc": "1974-06-19T16:28:00Z",
              "ms": 140891280032.16138
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:43 on Tue 18 Jun to 16:02 on Wed 19 Jun.",
          "fact": "1974-06-18T10:43:18Z → 1974-06-19T08:01:42Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 18th, 23:40–00:28 on the 19th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17789 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Tuesday 18 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": "1974-06-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Tuesday 18 June. Caturdaśī runs from 18:43 on Tue 18 Jun to 16:02 on Wed 19 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-06-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7581,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1974-06-21T09:33:59+08:00",
          "utc": "1974-06-21T01:33:59Z",
          "ms": 141010439256.97162
        },
        "end": {
          "local": "1974-06-22T06:05:50+08:00",
          "utc": "1974-06-21T22:05:50Z",
          "ms": 141084349841.45654
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-21T09:33:59+08:00",
          "utc": "1974-06-21T01:33:59Z",
          "ms": 141010439256.97162
        },
        "end": {
          "local": "1974-06-22T06:05:50+08:00",
          "utc": "1974-06-21T22:05:50Z",
          "ms": 141084349841.45654
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-06-21",
          "window": {
            "start": {
              "local": "1974-06-21T11:40:20+08:00",
              "utc": "1974-06-21T03:40:20Z",
              "ms": 141018020404.22107
            },
            "end": {
              "local": "1974-06-21T12:28:20+08:00",
              "utc": "1974-06-21T04:28:20Z",
              "ms": 141020900404.22107
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-06-22",
          "window": {
            "start": {
              "local": "1974-06-22T11:40:33+08:00",
              "utc": "1974-06-22T03:40:33Z",
              "ms": 141104433263.29788
            },
            "end": {
              "local": "1974-06-22T12:28:33+08:00",
              "utc": "1974-06-22T04:28:33Z",
              "ms": 141107313263.29788
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 09:34 on Fri 21 Jun to 06:06 on Sat 22 Jun.",
          "fact": "1974-06-21T01:33:59Z → 1974-06-21T22:05:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 21st, 11:41–12:29 on the 22nd.",
          "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 21st and 0 of 48 on the 22nd.",
          "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 7581 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Fuzhou, 1974: Friday 21 June.",
          "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": "1974-06-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rathayātrā 1974 falls on Friday 21 June. Dvitīyā runs from 09:34 on Fri 21 Jun to 06:06 on Sat 22 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vinayaka-chaturthi?on=1974-06-23",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32430,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-06-23T02:40:16+08:00",
          "utc": "1974-06-22T18:40:16Z",
          "ms": 141158415742.80865
        },
        "end": {
          "local": "1974-06-23T23:26:00+08:00",
          "utc": "1974-06-23T15:26:00Z",
          "ms": 141233159600.91238
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-23T02:40:16+08:00",
          "utc": "1974-06-22T18:40:16Z",
          "ms": 141158415742.80865
        },
        "end": {
          "local": "1974-06-23T23:26:00+08:00",
          "utc": "1974-06-23T15:26:00Z",
          "ms": 141233159600.91238
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-06-23",
          "window": {
            "start": {
              "local": "1974-06-23T11:40:46+08:00",
              "utc": "1974-06-23T03:40:46Z",
              "ms": 141190846070.6455
            },
            "end": {
              "local": "1974-06-23T12:28:46+08:00",
              "utc": "1974-06-23T04:28:46Z",
              "ms": 141193726070.6455
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-06-24",
          "window": {
            "start": {
              "local": "1974-06-24T11:40:59+08:00",
              "utc": "1974-06-24T03:40:59Z",
              "ms": 141277258798.1178
            },
            "end": {
              "local": "1974-06-24T12:28:59+08:00",
              "utc": "1974-06-24T04:28:59Z",
              "ms": 141280138798.1178
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:40 on Sun 23 Jun to 23:26 on Sun 23 Jun.",
          "fact": "1974-06-22T18:40:16Z → 1974-06-23T15:26:00Z"
        },
        {
          "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": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32430 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Sunday 23 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": "1974-06-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Sunday 23 June. Caturthī runs from 02:40 on Sun 23 Jun to 23:26 on Sun 23 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-06-23",
      "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/1974/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28923,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1974-06-23T23:26:00+08:00",
          "utc": "1974-06-23T15:26:00Z",
          "ms": 141233159600.91238
        },
        "end": {
          "local": "1974-06-24T20:31:02+08:00",
          "utc": "1974-06-24T12:31:02Z",
          "ms": 141309061778.27994
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-23T23:26:00+08:00",
          "utc": "1974-06-23T15:26:00Z",
          "ms": 141233159600.91238
        },
        "end": {
          "local": "1974-06-24T20:31:02+08:00",
          "utc": "1974-06-24T12:31:02Z",
          "ms": 141309061778.27994
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-06-23",
          "window": {
            "start": {
              "local": "1974-06-23T11:40:46+08:00",
              "utc": "1974-06-23T03:40:46Z",
              "ms": 141190846070.6455
            },
            "end": {
              "local": "1974-06-23T12:28:46+08:00",
              "utc": "1974-06-23T04:28:46Z",
              "ms": 141193726070.6455
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-06-24",
          "window": {
            "start": {
              "local": "1974-06-24T11:40:59+08:00",
              "utc": "1974-06-24T03:40:59Z",
              "ms": 141277258798.1178
            },
            "end": {
              "local": "1974-06-24T12:28:59+08:00",
              "utc": "1974-06-24T04:28:59Z",
              "ms": 141280138798.1178
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 23:26 on Sun 23 Jun to 20:31 on Mon 24 Jun.",
          "fact": "1974-06-23T15:26:00Z → 1974-06-24T12:31:02Z"
        },
        {
          "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": "Pañcamī 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: paraviddha → only-day · margin 28923 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Fuzhou, 1974: Monday 24 June.",
          "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": "1974-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Pañcamī 1974 falls on Monday 24 June. Pañcamī runs from 23:26 on Sun 23 Jun to 20:31 on Mon 24 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12957,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1974-06-25T18:02:19+08:00",
          "utc": "1974-06-25T10:02:19Z",
          "ms": 141386538851.82547
        },
        "end": {
          "local": "1974-06-26T16:05:21+08:00",
          "utc": "1974-06-26T08:05:21Z",
          "ms": 141465921311.9746
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-25T18:02:19+08:00",
          "utc": "1974-06-25T10:02:19Z",
          "ms": 141386538851.82547
        },
        "end": {
          "local": "1974-06-26T16:05:21+08:00",
          "utc": "1974-06-26T08:05:21Z",
          "ms": 141465921311.9746
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-06-25",
          "window": {
            "start": {
              "local": "1974-06-25T11:41:11+08:00",
              "utc": "1974-06-25T03:41:11Z",
              "ms": 141363671419.12238
            },
            "end": {
              "local": "1974-06-25T12:29:11+08:00",
              "utc": "1974-06-25T04:29:11Z",
              "ms": 141366551419.12238
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-06-26",
          "window": {
            "start": {
              "local": "1974-06-26T11:41:24+08:00",
              "utc": "1974-06-26T03:41:24Z",
              "ms": 141450083908.7185
            },
            "end": {
              "local": "1974-06-26T12:29:24+08:00",
              "utc": "1974-06-26T04:29:24Z",
              "ms": 141452963908.7185
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 18:02 on Tue 25 Jun to 16:05 on Wed 26 Jun.",
          "fact": "1974-06-25T10:02:19Z → 1974-06-26T08:05:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 25th, 11:41–12:29 on the 26th.",
          "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 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: purvaviddha → only-day · margin 12957 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Fuzhou, 1974: Wednesday 26 June.",
          "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": "1974-06-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vivasvat Saptamī 1974 falls on Wednesday 26 June. Saptamī runs from 18:02 on Tue 25 Jun to 16:05 on Wed 26 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-06-30",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-06-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31132,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-06-29T13:52:25+08:00",
          "utc": "1974-06-29T05:52:25Z",
          "ms": 141717144722.45517
        },
        "end": {
          "local": "1974-06-30T14:20:04+08:00",
          "utc": "1974-06-30T06:20:04Z",
          "ms": 141805203502.70154
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-06-29T13:52:25+08:00",
          "utc": "1974-06-29T05:52:25Z",
          "ms": 141717144722.45517
        },
        "end": {
          "local": "1974-06-30T14:20:04+08:00",
          "utc": "1974-06-30T06:20:04Z",
          "ms": 141805203502.70154
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-06-29",
          "window": {
            "start": {
              "local": "1974-06-29T05:13:33+08:00",
              "utc": "1974-06-28T21:13:33Z",
              "ms": 141686012653.5182
            },
            "end": {
              "local": "1974-06-29T05:13:33+08:00",
              "utc": "1974-06-28T21:13:33Z",
              "ms": 141686012653.5182
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-06-30",
          "window": {
            "start": {
              "local": "1974-06-30T05:13:52+08:00",
              "utc": "1974-06-29T21:13:52Z",
              "ms": 141772432273.21436
            },
            "end": {
              "local": "1974-06-30T05:13:52+08:00",
              "utc": "1974-06-29T21:13:52Z",
              "ms": 141772432273.21436
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:52 on Sat 29 Jun to 14:20 on Sun 30 Jun.",
          "fact": "1974-06-29T05:52:25Z → 1974-06-30T06:20:04Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:14 on the 29th and 05:14 on the 30th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.",
          "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 31132 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Fuzhou, 1974: Sunday 30 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": "1974-06-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-06-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hariśayanī Ekādaśī 1974 falls on Sunday 30 June. Ekādaśī runs from 13:52 on Sat 29 Jun to 14:20 on Sun 30 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-06-30",
      "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/1974/pradosha-vrata?on=1974-07-01",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7992,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-07-01T15:19:09+08:00",
          "utc": "1974-07-01T07:19:09Z",
          "ms": 141895149434.90067
        },
        "end": {
          "local": "1974-07-02T16:45:24+08:00",
          "utc": "1974-07-02T08:45:24Z",
          "ms": 141986724038.48557
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-01T15:19:09+08:00",
          "utc": "1974-07-01T07:19:09Z",
          "ms": 141895149434.90067
        },
        "end": {
          "local": "1974-07-02T16:45:24+08:00",
          "utc": "1974-07-02T08:45:24Z",
          "ms": 141986724038.48557
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-07-01",
          "window": {
            "start": {
              "local": "1974-07-01T18:58:35+08:00",
              "utc": "1974-07-01T10:58:35Z",
              "ms": 141908314587.48355
            },
            "end": {
              "local": "1974-07-01T20:20:42+08:00",
              "utc": "1974-07-01T12:20:42Z",
              "ms": 141913242468.47775
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "1974-07-02",
          "window": {
            "start": {
              "local": "1974-07-02T18:58:36+08:00",
              "utc": "1974-07-02T10:58:36Z",
              "ms": 141994716019.28342
            },
            "end": {
              "local": "1974-07-02T20:20:47+08:00",
              "utc": "1974-07-02T12:20:47Z",
              "ms": 141999646609.45844
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:19 on Mon 1 Jul to 16:45 on Tue 2 Jul.",
          "fact": "1974-07-01T07:19:09Z → 1974-07-02T08:45:24Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 1st, 18:59–20:21 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 1st and 0 of 82 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7992 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Monday 1 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": "1974-07-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Monday 1 July. Trayodaśī runs from 15:19 on Mon 1 Jul to 16:45 on Tue 2 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-07-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30923,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-07-03T18:34:04+08:00",
          "utc": "1974-07-03T10:34:04Z",
          "ms": 142079644333.34644
        },
        "end": {
          "local": "1974-07-04T20:40:18+08:00",
          "utc": "1974-07-04T12:40:18Z",
          "ms": 142173617710.13058
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-03T18:34:04+08:00",
          "utc": "1974-07-03T10:34:04Z",
          "ms": 142079644333.34644
        },
        "end": {
          "local": "1974-07-04T20:40:18+08:00",
          "utc": "1974-07-04T12:40:18Z",
          "ms": 142173617710.13058
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "1974-07-04",
          "window": {
            "start": {
              "local": "1974-07-04T05:15:18+08:00",
              "utc": "1974-07-03T21:15:18Z",
              "ms": 142118117855.48444
            },
            "end": {
              "local": "1974-07-04T07:59:57+08:00",
              "utc": "1974-07-03T23:59:57Z",
              "ms": 142127997319.8586
            }
          },
          "covered_min": 165,
          "window_min": 165,
          "qualifies": true
        },
        {
          "local_date": "1974-07-05",
          "window": {
            "start": {
              "local": "1974-07-05T05:15:41+08:00",
              "utc": "1974-07-04T21:15:41Z",
              "ms": 142204540899.06155
            },
            "end": {
              "local": "1974-07-05T08:00:15+08:00",
              "utc": "1974-07-05T00:00:15Z",
              "ms": 142214415296.41925
            }
          },
          "covered_min": 0,
          "window_min": 165,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:34 on Wed 3 Jul to 20:40 on Thu 4 Jul.",
          "fact": "1974-07-03T10:34:04Z → 1974-07-04T12:40:18Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:15–08:00 on the 4th, 05:16–08:00 on the 5th.",
          "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 165 of 165 minutes on the 4th and 0 of 165 on the 5th.",
          "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 30923 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Fuzhou, 1974: Thursday 4 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": "1974-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vyāsa Pūjā 1974 falls on Thursday 4 July. Pūrṇimā runs from 18:34 on Wed 3 Jul to 20:40 on Thu 4 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21799,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-07-03T18:34:04+08:00",
          "utc": "1974-07-03T10:34:04Z",
          "ms": 142079644333.34644
        },
        "end": {
          "local": "1974-07-04T20:40:18+08:00",
          "utc": "1974-07-04T12:40:18Z",
          "ms": 142173617710.13058
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-03T18:34:04+08:00",
          "utc": "1974-07-03T10:34:04Z",
          "ms": 142079644333.34644
        },
        "end": {
          "local": "1974-07-04T20:40:18+08:00",
          "utc": "1974-07-04T12:40:18Z",
          "ms": 142173617710.13058
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-07-03",
          "window": {
            "start": {
              "local": "1974-07-03T11:42:46+08:00",
              "utc": "1974-07-03T03:42:46Z",
              "ms": 142054965832.26785
            },
            "end": {
              "local": "1974-07-03T12:30:46+08:00",
              "utc": "1974-07-03T04:30:46Z",
              "ms": 142057845832.26785
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-07-04",
          "window": {
            "start": {
              "local": "1974-07-04T11:42:57+08:00",
              "utc": "1974-07-04T03:42:57Z",
              "ms": 142141376516.41986
            },
            "end": {
              "local": "1974-07-04T12:30:57+08:00",
              "utc": "1974-07-04T04:30:57Z",
              "ms": 142144256516.41986
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:34 on Wed 3 Jul to 20:40 on Thu 4 Jul.",
          "fact": "1974-07-03T10:34:04Z → 1974-07-04T12:40:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 3rd, 11:43–12:31 on the 4th.",
          "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 3rd and 48 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21799 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Fuzhou, 1974: Thursday 4 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": "1974-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Guru Pūrṇimā 1974 falls on Thursday 4 July. Pūrṇimā runs from 18:34 on Wed 3 Jul to 20:40 on Thu 4 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-04",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1472,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-07-03T18:34:04+08:00",
          "utc": "1974-07-03T10:34:04Z",
          "ms": 142079644333.34644
        },
        "end": {
          "local": "1974-07-04T20:40:18+08:00",
          "utc": "1974-07-04T12:40:18Z",
          "ms": 142173617710.13058
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-03T18:34:04+08:00",
          "utc": "1974-07-03T10:34:04Z",
          "ms": 142079644333.34644
        },
        "end": {
          "local": "1974-07-04T20:40:18+08:00",
          "utc": "1974-07-04T12:40:18Z",
          "ms": 142173617710.13058
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1974-07-03",
          "window": {
            "start": {
              "local": "1974-07-03T16:13:52+08:00",
              "utc": "1974-07-03T08:13:52Z",
              "ms": 142071232064.27094
            },
            "end": {
              "local": "1974-07-03T18:58:36+08:00",
              "utc": "1974-07-03T10:58:36Z",
              "ms": 142081116218.93964
            }
          },
          "covered_min": 25,
          "window_min": 165,
          "qualifies": true
        },
        {
          "local_date": "1974-07-04",
          "window": {
            "start": {
              "local": "1974-07-04T16:13:56+08:00",
              "utc": "1974-07-04T08:13:56Z",
              "ms": 142157635712.98114
            },
            "end": {
              "local": "1974-07-04T18:58:35+08:00",
              "utc": "1974-07-04T10:58:35Z",
              "ms": 142167515177.35532
            }
          },
          "covered_min": 165,
          "window_min": 165,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:34 on Wed 3 Jul to 20:40 on Thu 4 Jul.",
          "fact": "1974-07-03T10:34:04Z → 1974-07-04T12:40:18Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:59 on the 3rd, 16:14–18:59 on the 4th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 25 of 165 minutes on the 3rd and 165 of 165 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1472 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Fuzhou, 1974: Thursday 4 July.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "1974-07-04",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-04",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kokilā Vrata 1974 falls on Thursday 4 July. Pūrṇimā runs from 18:34 on Wed 3 Jul to 20:40 on Thu 4 Jul and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 25 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/1974/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/1974/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-04",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1166,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-07-03T18:34:04+08:00",
          "utc": "1974-07-03T10:34:04Z",
          "ms": 142079644333.34644
        },
        "end": {
          "local": "1974-07-04T20:40:18+08:00",
          "utc": "1974-07-04T12:40:18Z",
          "ms": 142173617710.13058
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-03T18:34:04+08:00",
          "utc": "1974-07-03T10:34:04Z",
          "ms": 142079644333.34644
        },
        "end": {
          "local": "1974-07-04T20:40:18+08:00",
          "utc": "1974-07-04T12:40:18Z",
          "ms": 142173617710.13058
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-07-03",
          "window": {
            "start": {
              "local": "1974-07-03T18:58:36+08:00",
              "utc": "1974-07-03T10:58:36Z",
              "ms": 142081116218.93964
            },
            "end": {
              "local": "1974-07-03T20:20:50+08:00",
              "utc": "1974-07-03T12:20:50Z",
              "ms": 142086049770.47894
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "1974-07-04",
          "window": {
            "start": {
              "local": "1974-07-04T18:58:35+08:00",
              "utc": "1974-07-04T10:58:35Z",
              "ms": 142167515177.35532
            },
            "end": {
              "local": "1974-07-04T20:20:52+08:00",
              "utc": "1974-07-04T12:20:52Z",
              "ms": 142172451940.24948
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:34 on Wed 3 Jul to 20:40 on Thu 4 Jul.",
          "fact": "1974-07-03T10:34:04Z → 1974-07-04T12:40:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 3rd, 18:59–20:21 on the 4th.",
          "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 3rd and 82 of 82 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "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 1166 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Fuzhou, 1974: Thursday 4 July.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "1974-07-04",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-03",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śiva Śayanotsava 1974 falls on Thursday 4 July. Pūrṇimā runs from 18:34 on Wed 3 Jul to 20:40 on Thu 4 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 82 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/1974/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/1974/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12591,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1974-07-05T22:59:01+08:00",
          "utc": "1974-07-05T14:59:01Z",
          "ms": 142268340769.71692
        },
        "end": {
          "local": "1974-07-07T01:24:44+08:00",
          "utc": "1974-07-06T17:24:44Z",
          "ms": 142363484446.81317
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-05T22:59:01+08:00",
          "utc": "1974-07-05T14:59:01Z",
          "ms": 142268340769.71692
        },
        "end": {
          "local": "1974-07-07T01:24:44+08:00",
          "utc": "1974-07-06T17:24:44Z",
          "ms": 142363484446.81317
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-07-05",
          "window": {
            "start": {
              "local": "1974-07-05T19:29:10+08:00",
              "utc": "1974-07-05T11:29:10Z",
              "ms": 142255749979.18405
            },
            "end": {
              "local": "1974-07-05T19:29:10+08:00",
              "utc": "1974-07-05T11:29:10Z",
              "ms": 142255749979.18405
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-07-06",
          "window": {
            "start": {
              "local": "1974-07-06T20:06:53+08:00",
              "utc": "1974-07-06T12:06:53Z",
              "ms": 142344413489.43826
            },
            "end": {
              "local": "1974-07-06T20:06:53+08:00",
              "utc": "1974-07-06T12:06:53Z",
              "ms": 142344413489.43826
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 22:59 on Fri 5 Jul to 01:25 on Sun 7 Jul.",
          "fact": "1974-07-05T14:59:01Z → 1974-07-06T17:24:44Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:29 on the 5th and 20:07 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 5th and is on the 6th.",
          "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 12591 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 1974: Saturday 6 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": "1974-07-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 1974 falls on Saturday 6 July. Dvitīyā runs from 22:59 on Fri 5 Jul to 01:25 on Sun 7 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-07-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25768,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-07-08T03:51:13+08:00",
          "utc": "1974-07-07T19:51:13Z",
          "ms": 142458673341.9061
        },
        "end": {
          "local": "1974-07-09T06:11:11+08:00",
          "utc": "1974-07-08T22:11:11Z",
          "ms": 142553470765.81396
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-08T03:51:13+08:00",
          "utc": "1974-07-07T19:51:13Z",
          "ms": 142458673341.9061
        },
        "end": {
          "local": "1974-07-09T06:11:11+08:00",
          "utc": "1974-07-08T22:11:11Z",
          "ms": 142553470765.81396
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-07-07",
          "window": {
            "start": {
              "local": "1974-07-07T20:41:45+08:00",
              "utc": "1974-07-07T12:41:45Z",
              "ms": 142432905391.54227
            },
            "end": {
              "local": "1974-07-07T20:41:45+08:00",
              "utc": "1974-07-07T12:41:45Z",
              "ms": 142432905391.54227
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-07-08",
          "window": {
            "start": {
              "local": "1974-07-08T21:14:39+08:00",
              "utc": "1974-07-08T13:14:39Z",
              "ms": 142521279200.40903
            },
            "end": {
              "local": "1974-07-08T21:14:39+08:00",
              "utc": "1974-07-08T13:14:39Z",
              "ms": 142521279200.40903
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 03:51 on Mon 8 Jul to 06:11 on Tue 9 Jul.",
          "fact": "1974-07-07T19:51:13Z → 1974-07-08T22:11:11Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:42 on the 7th and 21:15 on the 8th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.",
          "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 25768 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Monday 8 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": "1974-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Monday 8 July. Caturthī runs from 03:51 on Mon 8 Jul to 06:11 on Tue 9 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-07-08",
      "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/1974/ekadashi?on=1974-07-16",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11996,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-07-15T10:24:45+08:00",
          "utc": "1974-07-15T02:24:45Z",
          "ms": 143087084659.9822
        },
        "end": {
          "local": "1974-07-16T08:40:25+08:00",
          "utc": "1974-07-16T00:40:25Z",
          "ms": 143167224961.94388
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-15T10:24:45+08:00",
          "utc": "1974-07-15T02:24:45Z",
          "ms": 143087084659.9822
        },
        "end": {
          "local": "1974-07-16T08:40:25+08:00",
          "utc": "1974-07-16T00:40:25Z",
          "ms": 143167224961.94388
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-07-15",
          "window": {
            "start": {
              "local": "1974-07-15T05:20:00+08:00",
              "utc": "1974-07-14T21:20:00Z",
              "ms": 143068800477.58704
            },
            "end": {
              "local": "1974-07-15T05:20:00+08:00",
              "utc": "1974-07-14T21:20:00Z",
              "ms": 143068800477.58704
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-07-16",
          "window": {
            "start": {
              "local": "1974-07-16T05:20:29+08:00",
              "utc": "1974-07-15T21:20:29Z",
              "ms": 143155228760.41092
            },
            "end": {
              "local": "1974-07-16T05:20:29+08:00",
              "utc": "1974-07-15T21:20:29Z",
              "ms": 143155228760.41092
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:25 on Mon 15 Jul to 08:40 on Tue 16 Jul.",
          "fact": "1974-07-15T02:24:45Z → 1974-07-16T00:40:25Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:20 on the 15th and 05:20 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11996 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Fuzhou, 1974: Tuesday 16 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": "1974-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmikā Ekādaśī 1974 falls on Tuesday 16 July. Ekādaśī runs from 10:25 on Mon 15 Jul to 08:40 on Tue 16 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-07-16",
      "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/1974/pradosha-vrata?on=1974-07-17",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24951,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-07-17T06:15:16+08:00",
          "utc": "1974-07-16T22:15:16Z",
          "ms": 143244916049.1004
        },
        "end": {
          "local": "1974-07-18T03:15:37+08:00",
          "utc": "1974-07-17T19:15:37Z",
          "ms": 143320537046.9521
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-17T06:15:16+08:00",
          "utc": "1974-07-16T22:15:16Z",
          "ms": 143244916049.1004
        },
        "end": {
          "local": "1974-07-18T03:15:37+08:00",
          "utc": "1974-07-17T19:15:37Z",
          "ms": 143320537046.9521
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-07-16",
          "window": {
            "start": {
              "local": "1974-07-16T18:56:44+08:00",
              "utc": "1974-07-16T10:56:44Z",
              "ms": 143204203709.38235
            },
            "end": {
              "local": "1974-07-16T20:19:58+08:00",
              "utc": "1974-07-16T12:19:58Z",
              "ms": 143209197528.45526
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "1974-07-17",
          "window": {
            "start": {
              "local": "1974-07-17T18:56:26+08:00",
              "utc": "1974-07-17T10:56:26Z",
              "ms": 143290586085.97366
            },
            "end": {
              "local": "1974-07-17T20:19:46+08:00",
              "utc": "1974-07-17T12:19:46Z",
              "ms": 143295586104.17154
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:15 on Wed 17 Jul to 03:16 on Thu 18 Jul.",
          "fact": "1974-07-16T22:15:16Z → 1974-07-17T19:15:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:20 on the 16th, 18:56–20:20 on the 17th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 16th and 83 of 83 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24951 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Wednesday 17 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": "1974-07-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Wednesday 17 July. Trayodaśī runs from 06:15 on Wed 17 Jul to 03:16 on Thu 18 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-07-17",
      "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/1974/shivaratri?on=1974-07-18",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-18",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 273,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-07-18T03:15:37+08:00",
          "utc": "1974-07-17T19:15:37Z",
          "ms": 143320537046.9521
        },
        "end": {
          "local": "1974-07-18T23:49:34+08:00",
          "utc": "1974-07-18T15:49:34Z",
          "ms": 143394574418.09412
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-18T03:15:37+08:00",
          "utc": "1974-07-17T19:15:37Z",
          "ms": 143320537046.9521
        },
        "end": {
          "local": "1974-07-18T23:49:34+08:00",
          "utc": "1974-07-18T15:49:34Z",
          "ms": 143394574418.09412
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-07-17",
          "window": {
            "start": {
              "local": "1974-07-17T23:44:56+08:00",
              "utc": "1974-07-17T15:44:56Z",
              "ms": 143307896154.21564
            },
            "end": {
              "local": "1974-07-18T00:32:56+08:00",
              "utc": "1974-07-17T16:32:56Z",
              "ms": 143310776154.21564
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-07-18",
          "window": {
            "start": {
              "local": "1974-07-18T23:45:01+08:00",
              "utc": "1974-07-18T15:45:01Z",
              "ms": 143394301257.3711
            },
            "end": {
              "local": "1974-07-19T00:33:01+08:00",
              "utc": "1974-07-18T16:33:01Z",
              "ms": 143397181257.3711
            }
          },
          "covered_min": 5,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:16 on Thu 18 Jul to 23:50 on Thu 18 Jul.",
          "fact": "1974-07-17T19:15:37Z → 1974-07-18T15:49:34Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 17th, 23:45–00:33 on the 18th.",
          "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 17th and 5 of 48 on the 18th.",
          "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 273 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Thursday 18 July.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-07-18",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-18",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Thursday 18 July. Caturdaśī runs from 03:16 on Thu 18 Jul to 23:50 on Thu 18 Jul and covers 5 of 48 minutes of niśītha that night. It is 4 min 33 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-07-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-21",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 171,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1974-07-21T12:30:07+08:00",
          "utc": "1974-07-21T04:30:07Z",
          "ms": 143613007300.71155
        },
        "end": {
          "local": "1974-07-22T08:57:46+08:00",
          "utc": "1974-07-22T00:57:46Z",
          "ms": 143686666474.24982
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-21T12:30:07+08:00",
          "utc": "1974-07-21T04:30:07Z",
          "ms": 143613007300.71155
        },
        "end": {
          "local": "1974-07-22T08:57:46+08:00",
          "utc": "1974-07-22T00:57:46Z",
          "ms": 143686666474.24982
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-07-21",
          "window": {
            "start": {
              "local": "1974-07-21T11:44:58+08:00",
              "utc": "1974-07-21T03:44:58Z",
              "ms": 143610298452.45685
            },
            "end": {
              "local": "1974-07-21T12:32:58+08:00",
              "utc": "1974-07-21T04:32:58Z",
              "ms": 143613178452.45685
            }
          },
          "covered_min": 3,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-07-22",
          "window": {
            "start": {
              "local": "1974-07-22T11:45:01+08:00",
              "utc": "1974-07-22T03:45:01Z",
              "ms": 143696701255.9024
            },
            "end": {
              "local": "1974-07-22T12:33:01+08:00",
              "utc": "1974-07-22T04:33:01Z",
              "ms": 143699581255.9024
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 12:30 on Sun 21 Jul to 08:58 on Mon 22 Jul.",
          "fact": "1974-07-21T04:30:07Z → 1974-07-22T00:57:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 21st, 11:45–12:33 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 3 of 48 minutes on the 21st and 0 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: paraviddha → only-day · margin 171 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Fuzhou, 1974: Sunday 21 July.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1974-07-21",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 1974 falls on Sunday 21 July. Tṛtīyā runs from 12:30 on Sun 21 Jul to 08:58 on Mon 22 Jul and covers 3 of 48 minutes of madhyāhna that midday. It is 2 min 51 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vinayaka-chaturthi?on=1974-07-22",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10035,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-07-22T08:57:46+08:00",
          "utc": "1974-07-22T00:57:46Z",
          "ms": 143686666474.24982
        },
        "end": {
          "local": "1974-07-23T05:49:26+08:00",
          "utc": "1974-07-22T21:49:26Z",
          "ms": 143761765571.8109
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-22T08:57:46+08:00",
          "utc": "1974-07-22T00:57:46Z",
          "ms": 143686666474.24982
        },
        "end": {
          "local": "1974-07-23T05:49:26+08:00",
          "utc": "1974-07-22T21:49:26Z",
          "ms": 143761765571.8109
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-07-22",
          "window": {
            "start": {
              "local": "1974-07-22T11:45:01+08:00",
              "utc": "1974-07-22T03:45:01Z",
              "ms": 143696701255.9024
            },
            "end": {
              "local": "1974-07-22T12:33:01+08:00",
              "utc": "1974-07-22T04:33:01Z",
              "ms": 143699581255.9024
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-07-23",
          "window": {
            "start": {
              "local": "1974-07-23T11:45:03+08:00",
              "utc": "1974-07-23T03:45:03Z",
              "ms": 143783103479.9046
            },
            "end": {
              "local": "1974-07-23T12:33:03+08:00",
              "utc": "1974-07-23T04:33:03Z",
              "ms": 143785983479.9046
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:58 on Mon 22 Jul to 05:49 on Tue 23 Jul.",
          "fact": "1974-07-22T00:57:46Z → 1974-07-22T21:49:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 22nd, 11:45–12:33 on the 23rd.",
          "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 22nd and 0 of 48 on the 23rd.",
          "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 10035 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Monday 22 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": "1974-07-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Monday 22 July. Caturthī runs from 08:58 on Mon 22 Jul to 05:49 on Tue 23 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-07-22",
      "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/1974/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21338,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1974-07-23T05:49:26+08:00",
          "utc": "1974-07-22T21:49:26Z",
          "ms": 143761765571.8109
        },
        "end": {
          "local": "1974-07-24T03:14:00+08:00",
          "utc": "1974-07-23T19:14:00Z",
          "ms": 143838839846.2066
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-23T05:49:26+08:00",
          "utc": "1974-07-22T21:49:26Z",
          "ms": 143761765571.8109
        },
        "end": {
          "local": "1974-07-24T03:14:00+08:00",
          "utc": "1974-07-23T19:14:00Z",
          "ms": 143838839846.2066
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-07-23",
          "window": {
            "start": {
              "local": "1974-07-23T11:45:03+08:00",
              "utc": "1974-07-23T03:45:03Z",
              "ms": 143783103479.9046
            },
            "end": {
              "local": "1974-07-23T12:33:03+08:00",
              "utc": "1974-07-23T04:33:03Z",
              "ms": 143785983479.9046
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-07-24",
          "window": {
            "start": {
              "local": "1974-07-24T11:45:05+08:00",
              "utc": "1974-07-24T03:45:05Z",
              "ms": 143869505114.14807
            },
            "end": {
              "local": "1974-07-24T12:33:05+08:00",
              "utc": "1974-07-24T04:33:05Z",
              "ms": 143872385114.14807
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 05:49 on Tue 23 Jul to 03:14 on Wed 24 Jul.",
          "fact": "1974-07-22T21:49:26Z → 1974-07-23T19:14:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 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": "Pañcamī 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21338 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Fuzhou, 1974: Tuesday 23 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī 1974 falls on Tuesday 23 July. Pañcamī runs from 05:49 on Tue 23 Jul to 03:14 on Wed 24 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-07-29",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9703,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-07-29T01:09:37+08:00",
          "utc": "1974-07-28T17:09:37Z",
          "ms": 144263376582.0407
        },
        "end": {
          "local": "1974-07-30T02:45:41+08:00",
          "utc": "1974-07-29T18:45:41Z",
          "ms": 144355540755.105
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-29T01:09:37+08:00",
          "utc": "1974-07-28T17:09:37Z",
          "ms": 144263376582.0407
        },
        "end": {
          "local": "1974-07-30T02:45:41+08:00",
          "utc": "1974-07-29T18:45:41Z",
          "ms": 144355540755.105
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-07-29",
          "window": {
            "start": {
              "local": "1974-07-29T05:26:54+08:00",
              "utc": "1974-07-28T21:26:54Z",
              "ms": 144278813537.96823
            },
            "end": {
              "local": "1974-07-29T05:26:54+08:00",
              "utc": "1974-07-28T21:26:54Z",
              "ms": 144278813537.96823
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-07-30",
          "window": {
            "start": {
              "local": "1974-07-30T05:27:24+08:00",
              "utc": "1974-07-29T21:27:24Z",
              "ms": 144365243535.14447
            },
            "end": {
              "local": "1974-07-30T05:27:24+08:00",
              "utc": "1974-07-29T21:27:24Z",
              "ms": 144365243535.14447
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:10 on Mon 29 Jul to 02:46 on Tue 30 Jul.",
          "fact": "1974-07-28T17:09:37Z → 1974-07-29T18:45:41Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:27 on the 29th and 05:27 on the 30th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.",
          "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 9703 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 1974: Monday 29 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": "1974-07-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 1974 falls on Monday 29 July. Ekādaśī runs from 01:10 on Mon 29 Jul to 02:46 on Tue 30 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-07-29",
      "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/1974/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25099,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1974-07-30T02:45:41+08:00",
          "utc": "1974-07-29T18:45:41Z",
          "ms": 144355540755.105
        },
        "end": {
          "local": "1974-07-31T04:46:40+08:00",
          "utc": "1974-07-30T20:46:40Z",
          "ms": 144449200291.27426
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-30T02:45:41+08:00",
          "utc": "1974-07-29T18:45:41Z",
          "ms": 144355540755.105
        },
        "end": {
          "local": "1974-07-31T04:46:40+08:00",
          "utc": "1974-07-30T20:46:40Z",
          "ms": 144449200291.27426
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-07-30",
          "window": {
            "start": {
              "local": "1974-07-30T11:45:02+08:00",
              "utc": "1974-07-30T03:45:02Z",
              "ms": 144387902202.0863
            },
            "end": {
              "local": "1974-07-30T12:33:02+08:00",
              "utc": "1974-07-30T04:33:02Z",
              "ms": 144390782202.0863
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-07-31",
          "window": {
            "start": {
              "local": "1974-07-31T11:45:00+08:00",
              "utc": "1974-07-31T03:45:00Z",
              "ms": 144474299574.33417
            },
            "end": {
              "local": "1974-07-31T12:33:00+08:00",
              "utc": "1974-07-31T04:33:00Z",
              "ms": 144477179574.33417
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 02:46 on Tue 30 Jul to 04:47 on Wed 31 Jul.",
          "fact": "1974-07-29T18:45:41Z → 1974-07-30T20:46:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 30th, 11:45–12:33 on the 31st.",
          "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 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 25099 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Fuzhou, 1974: Tuesday 30 July.",
          "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": "1974-07-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dāmodara Dvādaśī 1974 falls on Tuesday 30 July. Dvādaśī runs from 02:46 on Tue 30 Jul to 04:47 on Wed 31 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pradosha-vrata?on=1974-07-31",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-07-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30662,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-07-31T04:46:40+08:00",
          "utc": "1974-07-30T20:46:40Z",
          "ms": 144449200291.27426
        },
        "end": {
          "local": "1974-08-01T07:03:55+08:00",
          "utc": "1974-07-31T23:03:55Z",
          "ms": 144543834705.5181
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-07-31T04:46:40+08:00",
          "utc": "1974-07-30T20:46:40Z",
          "ms": 144449200291.27426
        },
        "end": {
          "local": "1974-08-01T07:03:55+08:00",
          "utc": "1974-07-31T23:03:55Z",
          "ms": 144543834705.5181
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-07-30",
          "window": {
            "start": {
              "local": "1974-07-30T18:50:41+08:00",
              "utc": "1974-07-30T10:50:41Z",
              "ms": 144413440869.0281
            },
            "end": {
              "local": "1974-07-30T20:15:39+08:00",
              "utc": "1974-07-30T12:15:39Z",
              "ms": 144418538551.997
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "1974-07-31",
          "window": {
            "start": {
              "local": "1974-07-31T18:50:06+08:00",
              "utc": "1974-07-31T10:50:06Z",
              "ms": 144499805657.37332
            },
            "end": {
              "local": "1974-07-31T20:15:12+08:00",
              "utc": "1974-07-31T12:15:12Z",
              "ms": 144504912022.0943
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:47 on Wed 31 Jul to 07:04 on Thu 1 Aug.",
          "fact": "1974-07-30T20:46:40Z → 1974-07-31T23:03:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:16 on the 30th, 18:50–20:15 on the 31st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 30th and 85 of 85 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30662 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Wednesday 31 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": "1974-07-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-07-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Wednesday 31 July. Trayodaśī runs from 04:47 on Wed 31 Jul to 07:04 on Thu 1 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-07-31",
      "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/1974/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-02",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 23257,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-08-02T09:29:33+08:00",
          "utc": "1974-08-02T01:29:33Z",
          "ms": 144638972981.04993
        },
        "end": {
          "local": "1974-08-03T11:57:00+08:00",
          "utc": "1974-08-03T03:57:00Z",
          "ms": 144734220279.2239
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "1974-08-02T22:43:25+08:00",
          "utc": "1974-08-02T14:43:25Z",
          "ms": 144686604663.82385
        },
        "end": {
          "local": "1974-08-03T11:57:00+08:00",
          "utc": "1974-08-03T03:57:00Z",
          "ms": 144734220279.2239
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "1974-08-02",
          "window": {
            "start": {
              "local": "1974-08-02T05:28:53+08:00",
              "utc": "1974-08-01T21:28:53Z",
              "ms": 144624533227.4554
            },
            "end": {
              "local": "1974-08-03T05:29:23+08:00",
              "utc": "1974-08-02T21:29:23Z",
              "ms": 144710962983.74884
            }
          },
          "covered_min": 406,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "1974-08-03",
          "window": {
            "start": {
              "local": "1974-08-03T05:29:23+08:00",
              "utc": "1974-08-02T21:29:23Z",
              "ms": 144710962983.74884
            },
            "end": {
              "local": "1974-08-04T05:29:53+08:00",
              "utc": "1974-08-03T21:29:53Z",
              "ms": 144797392651.3657
            }
          },
          "covered_min": 388,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:30 on Fri 2 Aug to 11:57 on Sat 3 Aug. Its second half begins at 22:43 on Fri 2 Aug.",
          "fact": "1974-08-02T01:29:33Z → 1974-08-03T03:57:00Z · second half from 1974-08-02T14:43:25Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:29 on the 2nd, and from 05:29 on the 3rd.",
          "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 406 of 1440 minutes on the 2nd and 388 of 1440 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 23257 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Fuzhou, 1974: Friday 2 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "1974-08-02",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 1974 falls on Friday 2 August. The second half of Pūrṇimā runs from 22:43 on Fri 2 Aug to 11:57 on Sat 3 Aug and falls on two days: 406 minutes of it on the 2nd, 388 on the 3rd; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-02",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 732,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-08-02T09:29:33+08:00",
          "utc": "1974-08-02T01:29:33Z",
          "ms": 144638972981.04993
        },
        "end": {
          "local": "1974-08-03T11:57:00+08:00",
          "utc": "1974-08-03T03:57:00Z",
          "ms": 144734220279.2239
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-02T09:29:33+08:00",
          "utc": "1974-08-02T01:29:33Z",
          "ms": 144638972981.04993
        },
        "end": {
          "local": "1974-08-03T11:57:00+08:00",
          "utc": "1974-08-03T03:57:00Z",
          "ms": 144734220279.2239
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-08-02",
          "window": {
            "start": {
              "local": "1974-08-02T11:44:52+08:00",
              "utc": "1974-08-02T03:44:52Z",
              "ms": 144647092488.26822
            },
            "end": {
              "local": "1974-08-02T12:32:52+08:00",
              "utc": "1974-08-02T04:32:52Z",
              "ms": 144649972488.26822
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-08-03",
          "window": {
            "start": {
              "local": "1974-08-03T11:44:48+08:00",
              "utc": "1974-08-03T03:44:48Z",
              "ms": 144733488036.11462
            },
            "end": {
              "local": "1974-08-03T12:32:48+08:00",
              "utc": "1974-08-03T04:32:48Z",
              "ms": 144736368036.11462
            }
          },
          "covered_min": 12,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:30 on Fri 2 Aug to 11:57 on Sat 3 Aug.",
          "fact": "1974-08-02T01:29:33Z → 1974-08-03T03:57:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 2nd, 11:45–12:33 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 12 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 732 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Fuzhou, 1974: Friday 2 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "1974-08-02",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Tarpaṇa 1974 falls on Friday 2 August. Pūrṇimā runs from 09:30 on Fri 2 Aug to 11:57 on Sat 3 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 12 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/1974/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/1974/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11565,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1974-08-04T14:20:52+08:00",
          "utc": "1974-08-04T06:20:52Z",
          "ms": 144829252417.82108
        },
        "end": {
          "local": "1974-08-05T16:36:27+08:00",
          "utc": "1974-08-05T08:36:27Z",
          "ms": 144923787162.57632
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-04T14:20:52+08:00",
          "utc": "1974-08-04T06:20:52Z",
          "ms": 144829252417.82108
        },
        "end": {
          "local": "1974-08-05T16:36:27+08:00",
          "utc": "1974-08-05T08:36:27Z",
          "ms": 144923787162.57632
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-08-04",
          "window": {
            "start": {
              "local": "1974-08-04T19:16:55+08:00",
              "utc": "1974-08-04T11:16:55Z",
              "ms": 144847015220.09952
            },
            "end": {
              "local": "1974-08-04T19:16:55+08:00",
              "utc": "1974-08-04T11:16:55Z",
              "ms": 144847015220.09952
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-08-05",
          "window": {
            "start": {
              "local": "1974-08-05T19:49:12+08:00",
              "utc": "1974-08-05T11:49:12Z",
              "ms": 144935351732.5164
            },
            "end": {
              "local": "1974-08-05T19:49:12+08:00",
              "utc": "1974-08-05T11:49:12Z",
              "ms": 144935351732.5164
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 14:21 on Sun 4 Aug to 16:36 on Mon 5 Aug.",
          "fact": "1974-08-04T06:20:52Z → 1974-08-05T08:36:27Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:17 on the 4th and 19:49 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11565 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Fuzhou, 1974: Sunday 4 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": "1974-08-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata 1974 falls on Sunday 4 August. Dvitīyā runs from 14:21 on Sun 4 Aug to 16:36 on Mon 5 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14630,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1974-08-05T16:36:27+08:00",
          "utc": "1974-08-05T08:36:27Z",
          "ms": 144923787162.57632
        },
        "end": {
          "local": "1974-08-06T18:39:07+08:00",
          "utc": "1974-08-06T10:39:07Z",
          "ms": 145017546988.7955
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-05T16:36:27+08:00",
          "utc": "1974-08-05T08:36:27Z",
          "ms": 144923787162.57632
        },
        "end": {
          "local": "1974-08-06T18:39:07+08:00",
          "utc": "1974-08-06T10:39:07Z",
          "ms": 145017546988.7955
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-08-05",
          "window": {
            "start": {
              "local": "1974-08-05T11:44:37+08:00",
              "utc": "1974-08-05T03:44:37Z",
              "ms": 144906277335.12662
            },
            "end": {
              "local": "1974-08-05T12:32:37+08:00",
              "utc": "1974-08-05T04:32:37Z",
              "ms": 144909157335.12662
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-08-06",
          "window": {
            "start": {
              "local": "1974-08-06T11:44:31+08:00",
              "utc": "1974-08-06T03:44:31Z",
              "ms": 144992671097.23184
            },
            "end": {
              "local": "1974-08-06T12:32:31+08:00",
              "utc": "1974-08-06T04:32:31Z",
              "ms": 144995551097.23184
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 16:36 on Mon 5 Aug to 18:39 on Tue 6 Aug.",
          "fact": "1974-08-05T08:36:27Z → 1974-08-06T10:39:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 5th, 11:45–12:33 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14630 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Fuzhou, 1974: Tuesday 6 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": "1974-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 1974 falls on Tuesday 6 August. Tṛtīyā runs from 16:36 on Mon 5 Aug to 18:39 on Tue 6 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 424,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-08-06T18:39:07+08:00",
          "utc": "1974-08-06T10:39:07Z",
          "ms": 145017546988.7955
        },
        "end": {
          "local": "1974-08-07T20:23:49+08:00",
          "utc": "1974-08-07T12:23:49Z",
          "ms": 145110228796.2448
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-06T18:39:07+08:00",
          "utc": "1974-08-06T10:39:07Z",
          "ms": 145017546988.7955
        },
        "end": {
          "local": "1974-08-07T20:23:49+08:00",
          "utc": "1974-08-07T12:23:49Z",
          "ms": 145110228796.2448
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1974-08-06",
          "window": {
            "start": {
              "local": "1974-08-06T16:07:07+08:00",
              "utc": "1974-08-06T08:07:07Z",
              "ms": 145008426745.03156
            },
            "end": {
              "local": "1974-08-06T18:46:11+08:00",
              "utc": "1974-08-06T10:46:11Z",
              "ms": 145017970510.23135
            }
          },
          "covered_min": 7,
          "window_min": 159,
          "qualifies": true
        },
        {
          "local_date": "1974-08-07",
          "window": {
            "start": {
              "local": "1974-08-07T16:06:38+08:00",
              "utc": "1974-08-07T08:06:38Z",
              "ms": 145094798221.69696
            },
            "end": {
              "local": "1974-08-07T18:45:28+08:00",
              "utc": "1974-08-07T10:45:28Z",
              "ms": 145104327518.77316
            }
          },
          "covered_min": 159,
          "window_min": 159,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:39 on Tue 6 Aug to 20:24 on Wed 7 Aug.",
          "fact": "1974-08-06T10:39:07Z → 1974-08-07T12:23:49Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:07–18:46 on the 6th, 16:07–18:45 on the 7th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 7 of 159 minutes on the 6th and 159 of 159 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both late afternoons qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 424 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Fuzhou, 1974: Tuesday 6 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": "1974-08-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bahulā Caturthī 1974 falls on Tuesday 6 August. Caturthī runs from 18:39 on Tue 6 Aug to 20:24 on Wed 7 Aug and covers 7 of 159 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 159 minutes; by the rule the first late afternoon is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-08-06",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1783,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-08-06T18:39:07+08:00",
          "utc": "1974-08-06T10:39:07Z",
          "ms": 145017546988.7955
        },
        "end": {
          "local": "1974-08-07T20:23:49+08:00",
          "utc": "1974-08-07T12:23:49Z",
          "ms": 145110228796.2448
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-06T18:39:07+08:00",
          "utc": "1974-08-06T10:39:07Z",
          "ms": 145017546988.7955
        },
        "end": {
          "local": "1974-08-07T20:23:49+08:00",
          "utc": "1974-08-07T12:23:49Z",
          "ms": 145110228796.2448
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-08-06",
          "window": {
            "start": {
              "local": "1974-08-06T20:21:04+08:00",
              "utc": "1974-08-06T12:21:04Z",
              "ms": 145023664087.3707
            },
            "end": {
              "local": "1974-08-06T20:21:04+08:00",
              "utc": "1974-08-06T12:21:04Z",
              "ms": 145023664087.3707
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-08-07",
          "window": {
            "start": {
              "local": "1974-08-07T20:53:32+08:00",
              "utc": "1974-08-07T12:53:32Z",
              "ms": 145112011628.37903
            },
            "end": {
              "local": "1974-08-07T20:53:32+08:00",
              "utc": "1974-08-07T12:53:32Z",
              "ms": 145112011628.37903
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:39 on Tue 6 Aug to 20:24 on Wed 7 Aug.",
          "fact": "1974-08-06T10:39:07Z → 1974-08-07T12:23:49Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:21 on the 6th and 20:54 on the 7th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.",
          "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 1783 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Tuesday 6 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": "1974-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Tuesday 6 August. Caturthī runs from 18:39 on Tue 6 Aug to 20:24 on Wed 7 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-08-06",
      "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/1974/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33156,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1974-08-08T21:44:53+08:00",
          "utc": "1974-08-08T13:44:53Z",
          "ms": 145201493234.42645
        },
        "end": {
          "local": "1974-08-09T22:36:20+08:00",
          "utc": "1974-08-09T14:36:20Z",
          "ms": 145290980231.9379
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-08T21:44:53+08:00",
          "utc": "1974-08-08T13:44:53Z",
          "ms": 145201493234.42645
        },
        "end": {
          "local": "1974-08-09T22:36:20+08:00",
          "utc": "1974-08-09T14:36:20Z",
          "ms": 145290980231.9379
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-08-08",
          "window": {
            "start": {
              "local": "1974-08-08T11:44:17+08:00",
              "utc": "1974-08-08T03:44:17Z",
              "ms": 145165456878.61514
            },
            "end": {
              "local": "1974-08-08T12:32:17+08:00",
              "utc": "1974-08-08T04:32:17Z",
              "ms": 145168336878.61514
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-08-09",
          "window": {
            "start": {
              "local": "1974-08-09T11:44:09+08:00",
              "utc": "1974-08-09T03:44:09Z",
              "ms": 145251848912.1987
            },
            "end": {
              "local": "1974-08-09T12:32:09+08:00",
              "utc": "1974-08-09T04:32:09Z",
              "ms": 145254728912.1987
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 21:45 on Thu 8 Aug to 22:36 on Fri 9 Aug.",
          "fact": "1974-08-08T13:44:53Z → 1974-08-09T14:36:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 8th, 11:44–12:32 on the 9th.",
          "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 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: paraviddha → only-day · margin 33156 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Fuzhou, 1974: Friday 9 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": "1974-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hala Ṣaṣṭhī 1974 falls on Friday 9 August. Ṣaṣṭhī runs from 21:45 on Thu 8 Aug to 22:36 on Fri 9 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3106,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-08-10T22:52:29+08:00",
          "utc": "1974-08-10T14:52:29Z",
          "ms": 145378348610.38092
        },
        "end": {
          "local": "1974-08-11T22:28:49+08:00",
          "utc": "1974-08-11T14:28:49Z",
          "ms": 145463328773.71072
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-10T22:52:29+08:00",
          "utc": "1974-08-10T14:52:29Z",
          "ms": 145378348610.38092
        },
        "end": {
          "local": "1974-08-11T22:28:49+08:00",
          "utc": "1974-08-11T14:28:49Z",
          "ms": 145463328773.71072
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-08-10",
          "window": {
            "start": {
              "local": "1974-08-10T23:44:15+08:00",
              "utc": "1974-08-10T15:44:15Z",
              "ms": 145381454798.41852
            },
            "end": {
              "local": "1974-08-11T00:32:15+08:00",
              "utc": "1974-08-10T16:32:15Z",
              "ms": 145384334798.41852
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-08-11",
          "window": {
            "start": {
              "local": "1974-08-11T23:44:06+08:00",
              "utc": "1974-08-11T15:44:06Z",
              "ms": 145467845644.8381
            },
            "end": {
              "local": "1974-08-12T00:32:06+08:00",
              "utc": "1974-08-11T16:32:06Z",
              "ms": 145470725644.8381
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 22:52 on Sat 10 Aug to 22:29 on Sun 11 Aug.",
          "fact": "1974-08-10T14:52:29Z → 1974-08-11T14:28:49Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 10th, 23:44–00:32 on the 11th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3106 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Fuzhou, 1974: Saturday 10 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": "1974-08-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Janmāṣṭamī 1974 falls on Saturday 10 August. Aṣṭamī runs from 22:52 on Sat 10 Aug to 22:29 on Sun 11 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36251,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1974-08-09T22:36:20+08:00",
          "utc": "1974-08-09T14:36:20Z",
          "ms": 145290980231.9379
        },
        "end": {
          "local": "1974-08-10T22:52:29+08:00",
          "utc": "1974-08-10T14:52:29Z",
          "ms": 145378348610.38092
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-09T22:36:20+08:00",
          "utc": "1974-08-09T14:36:20Z",
          "ms": 145290980231.9379
        },
        "end": {
          "local": "1974-08-10T22:52:29+08:00",
          "utc": "1974-08-10T14:52:29Z",
          "ms": 145378348610.38092
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-08-09",
          "window": {
            "start": {
              "local": "1974-08-09T11:44:09+08:00",
              "utc": "1974-08-09T03:44:09Z",
              "ms": 145251848912.1987
            },
            "end": {
              "local": "1974-08-09T12:32:09+08:00",
              "utc": "1974-08-09T04:32:09Z",
              "ms": 145254728912.1987
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-08-10",
          "window": {
            "start": {
              "local": "1974-08-10T11:44:00+08:00",
              "utc": "1974-08-10T03:44:00Z",
              "ms": 145338240384.524
            },
            "end": {
              "local": "1974-08-10T12:32:00+08:00",
              "utc": "1974-08-10T04:32:00Z",
              "ms": 145341120384.524
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 22:36 on Fri 9 Aug to 22:52 on Sat 10 Aug.",
          "fact": "1974-08-09T14:36:20Z → 1974-08-10T14:52:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 9th, 11:44–12:32 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 36251 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Fuzhou, 1974: Saturday 10 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": "1974-08-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śītalā Saptamī 1974 falls on Saturday 10 August. Saptamī runs from 22:36 on Fri 9 Aug to 22:52 on Sat 10 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-08-14",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35996,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-08-13T19:34:46+08:00",
          "utc": "1974-08-13T11:34:46Z",
          "ms": 145625686251.699
        },
        "end": {
          "local": "1974-08-14T17:07:21+08:00",
          "utc": "1974-08-14T09:07:21Z",
          "ms": 145703240519.7129
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-13T19:34:46+08:00",
          "utc": "1974-08-13T11:34:46Z",
          "ms": 145625686251.699
        },
        "end": {
          "local": "1974-08-14T17:07:21+08:00",
          "utc": "1974-08-14T09:07:21Z",
          "ms": 145703240519.7129
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-08-14",
          "window": {
            "start": {
              "local": "1974-08-14T05:34:43+08:00",
              "utc": "1974-08-13T21:34:43Z",
              "ms": 145661682745.92838
            },
            "end": {
              "local": "1974-08-14T05:34:43+08:00",
              "utc": "1974-08-13T21:34:43Z",
              "ms": 145661682745.92838
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-08-15",
          "window": {
            "start": {
              "local": "1974-08-15T05:35:11+08:00",
              "utc": "1974-08-14T21:35:11Z",
              "ms": 145748110955.96906
            },
            "end": {
              "local": "1974-08-15T05:35:11+08:00",
              "utc": "1974-08-14T21:35:11Z",
              "ms": 145748110955.96906
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:35 on Tue 13 Aug to 17:07 on Wed 14 Aug.",
          "fact": "1974-08-13T11:34:46Z → 1974-08-14T09:07:21Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:35 on the 14th and 05:35 on the 15th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35996 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Fuzhou, 1974: Wednesday 14 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": "1974-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ajā Ekādaśī 1974 falls on Wednesday 14 August. Ekādaśī runs from 19:35 on Tue 13 Aug to 17:07 on Wed 14 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-08-14",
      "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/1974/pradosha-vrata?on=1974-08-15",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16389,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-08-15T14:05:59+08:00",
          "utc": "1974-08-15T06:05:59Z",
          "ms": 145778759301.39835
        },
        "end": {
          "local": "1974-08-16T10:38:15+08:00",
          "utc": "1974-08-16T02:38:15Z",
          "ms": 145852695301.40897
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-15T14:05:59+08:00",
          "utc": "1974-08-15T06:05:59Z",
          "ms": 145778759301.39835
        },
        "end": {
          "local": "1974-08-16T10:38:15+08:00",
          "utc": "1974-08-16T02:38:15Z",
          "ms": 145852695301.40897
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-08-15",
          "window": {
            "start": {
              "local": "1974-08-15T18:39:08+08:00",
              "utc": "1974-08-15T10:39:08Z",
              "ms": 145795148241.31613
            },
            "end": {
              "local": "1974-08-15T20:06:40+08:00",
              "utc": "1974-08-15T12:06:40Z",
              "ms": 145800400341.6691
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "1974-08-16",
          "window": {
            "start": {
              "local": "1974-08-16T18:38:17+08:00",
              "utc": "1974-08-16T10:38:17Z",
              "ms": 145881496728.99286
            },
            "end": {
              "local": "1974-08-16T20:05:59+08:00",
              "utc": "1974-08-16T12:05:59Z",
              "ms": 145886759412.0354
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:06 on Thu 15 Aug to 10:38 on Fri 16 Aug.",
          "fact": "1974-08-15T06:05:59Z → 1974-08-16T02:38:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:07 on the 15th, 18:38–20:06 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 15th and 0 of 88 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16389 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Thursday 15 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": "1974-08-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Thursday 15 August. Trayodaśī runs from 14:06 on Thu 15 Aug to 10:38 on Fri 16 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-08-15",
      "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/1974/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28801,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-08-16T10:38:15+08:00",
          "utc": "1974-08-16T02:38:15Z",
          "ms": 145852695301.40897
        },
        "end": {
          "local": "1974-08-17T06:53:20+08:00",
          "utc": "1974-08-16T22:53:20Z",
          "ms": 145925600023.98975
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-16T10:38:15+08:00",
          "utc": "1974-08-16T02:38:15Z",
          "ms": 145852695301.40897
        },
        "end": {
          "local": "1974-08-17T06:53:20+08:00",
          "utc": "1974-08-16T22:53:20Z",
          "ms": 145925600023.98975
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-08-16",
          "window": {
            "start": {
              "local": "1974-08-16T18:38:17+08:00",
              "utc": "1974-08-16T10:38:17Z",
              "ms": 145881496728.99286
            },
            "end": {
              "local": "1974-08-16T20:05:59+08:00",
              "utc": "1974-08-16T12:05:59Z",
              "ms": 145886759412.0354
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "1974-08-17",
          "window": {
            "start": {
              "local": "1974-08-17T18:37:24+08:00",
              "utc": "1974-08-17T10:37:24Z",
              "ms": 145967844370.7673
            },
            "end": {
              "local": "1974-08-17T20:05:18+08:00",
              "utc": "1974-08-17T12:05:18Z",
              "ms": 145973117724.19226
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:38 on Fri 16 Aug to 06:53 on Sat 17 Aug.",
          "fact": "1974-08-16T02:38:15Z → 1974-08-16T22:53:20Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:06 on the 16th, 18:37–20:05 on the 17th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 16th and 0 of 88 on the 17th.",
          "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 28801 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Fuzhou, 1974: Friday 16 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aghora-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Aghora caturdasi (pradosa vyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-08-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aghora Caturdaśī 1974 falls on Friday 16 August. Caturdaśī runs from 10:38 on Fri 16 Aug to 06:53 on Sat 17 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/shivaratri?on=1974-08-16",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22928,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-08-16T10:38:15+08:00",
          "utc": "1974-08-16T02:38:15Z",
          "ms": 145852695301.40897
        },
        "end": {
          "local": "1974-08-17T06:53:20+08:00",
          "utc": "1974-08-16T22:53:20Z",
          "ms": 145925600023.98975
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-16T10:38:15+08:00",
          "utc": "1974-08-16T02:38:15Z",
          "ms": 145852695301.40897
        },
        "end": {
          "local": "1974-08-17T06:53:20+08:00",
          "utc": "1974-08-16T22:53:20Z",
          "ms": 145925600023.98975
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-08-15",
          "window": {
            "start": {
              "local": "1974-08-15T23:43:24+08:00",
              "utc": "1974-08-15T15:43:24Z",
              "ms": 145813403617.6397
            },
            "end": {
              "local": "1974-08-16T00:31:24+08:00",
              "utc": "1974-08-15T16:31:24Z",
              "ms": 145816283617.6397
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-08-16",
          "window": {
            "start": {
              "local": "1974-08-16T23:43:12+08:00",
              "utc": "1974-08-16T15:43:12Z",
              "ms": 145899791790.4024
            },
            "end": {
              "local": "1974-08-17T00:31:12+08:00",
              "utc": "1974-08-16T16:31:12Z",
              "ms": 145902671790.4024
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:38 on Fri 16 Aug to 06:53 on Sat 17 Aug.",
          "fact": "1974-08-16T02:38:15Z → 1974-08-16T22:53:20Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 15th, 23:43–00:31 on the 16th.",
          "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 15th and 48 of 48 on the 16th.",
          "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 22928 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Friday 16 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": "1974-08-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Friday 16 August. Caturdaśī runs from 10:38 on Fri 16 Aug to 06:53 on Sat 17 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-08-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/ekadashi?on=1974-08-28",
      "festival": "ekadashi",
      "name": "Śukla Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35688,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-08-27T15:35:22+08:00",
          "utc": "1974-08-27T07:35:22Z",
          "ms": 146820921886.69458
        },
        "end": {
          "local": "1974-08-28T17:56:33+08:00",
          "utc": "1974-08-28T09:56:33Z",
          "ms": 146915793075.8465
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-27T15:35:22+08:00",
          "utc": "1974-08-27T07:35:22Z",
          "ms": 146820921886.69458
        },
        "end": {
          "local": "1974-08-28T17:56:33+08:00",
          "utc": "1974-08-28T09:56:33Z",
          "ms": 146915793075.8465
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-08-27",
          "window": {
            "start": {
              "local": "1974-08-27T05:40:34+08:00",
              "utc": "1974-08-26T21:40:34Z",
              "ms": 146785234366.49695
            },
            "end": {
              "local": "1974-08-27T05:40:34+08:00",
              "utc": "1974-08-26T21:40:34Z",
              "ms": 146785234366.49695
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-08-28",
          "window": {
            "start": {
              "local": "1974-08-28T05:41:00+08:00",
              "utc": "1974-08-27T21:41:00Z",
              "ms": 146871660008.8613
            },
            "end": {
              "local": "1974-08-28T05:41:00+08:00",
              "utc": "1974-08-27T21:41:00Z",
              "ms": 146871660008.8613
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:35 on Tue 27 Aug to 17:57 on Wed 28 Aug.",
          "fact": "1974-08-27T07:35:22Z → 1974-08-28T09:56:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:41 on the 27th and 05:41 on the 28th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35688 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Ekādaśī, Fuzhou, 1974: Wednesday 28 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": "1974-08-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Ekādaśī 1974 falls on Wednesday 28 August. Ekādaśī runs from 15:35 on Tue 27 Aug to 17:57 on Wed 28 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-08-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/pradosha-vrata?on=1974-08-30",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1844,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-08-29T20:26:49+08:00",
          "utc": "1974-08-29T12:26:49Z",
          "ms": 147011208861.78262
        },
        "end": {
          "local": "1974-08-30T22:56:11+08:00",
          "utc": "1974-08-30T14:56:11Z",
          "ms": 147106570862.6923
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-08-29T20:26:49+08:00",
          "utc": "1974-08-29T12:26:49Z",
          "ms": 147011208861.78262
        },
        "end": {
          "local": "1974-08-30T22:56:11+08:00",
          "utc": "1974-08-30T14:56:11Z",
          "ms": 147106570862.6923
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-08-29",
          "window": {
            "start": {
              "local": "1974-08-29T18:25:57+08:00",
              "utc": "1974-08-29T10:25:57Z",
              "ms": 147003957363.3965
            },
            "end": {
              "local": "1974-08-29T19:56:04+08:00",
              "utc": "1974-08-29T11:56:04Z",
              "ms": 147009364482.44913
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        },
        {
          "local_date": "1974-08-30",
          "window": {
            "start": {
              "local": "1974-08-30T18:24:56+08:00",
              "utc": "1974-08-30T10:24:56Z",
              "ms": 147090295925.22684
            },
            "end": {
              "local": "1974-08-30T19:55:15+08:00",
              "utc": "1974-08-30T11:55:15Z",
              "ms": 147095714585.8773
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:27 on Thu 29 Aug to 22:56 on Fri 30 Aug.",
          "fact": "1974-08-29T12:26:49Z → 1974-08-30T14:56:11Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–19:56 on the 29th, 18:25–19:55 on the 30th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 29th and 90 of 90 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1844 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Friday 30 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": "1974-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-08-30",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Friday 30 August. Trayodaśī runs from 20:27 on Thu 29 Aug to 22:56 on Fri 30 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-08-30",
      "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/1974/sankashta-chaturthi?on=1974-09-05",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 42873,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-09-05T08:01:22+08:00",
          "utc": "1974-09-05T00:01:22Z",
          "ms": 147571281991.7242
        },
        "end": {
          "local": "1974-09-06T08:51:08+08:00",
          "utc": "1974-09-06T00:51:08Z",
          "ms": 147660668274.96234
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-05T08:01:22+08:00",
          "utc": "1974-09-05T00:01:22Z",
          "ms": 147571281991.7242
        },
        "end": {
          "local": "1974-09-06T08:51:08+08:00",
          "utc": "1974-09-06T00:51:08Z",
          "ms": 147660668274.96234
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-09-05",
          "window": {
            "start": {
              "local": "1974-09-05T20:06:12+08:00",
              "utc": "1974-09-05T12:06:12Z",
              "ms": 147614771791.17218
            },
            "end": {
              "local": "1974-09-05T20:06:12+08:00",
              "utc": "1974-09-05T12:06:12Z",
              "ms": 147614771791.17218
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-09-06",
          "window": {
            "start": {
              "local": "1974-09-06T20:45:41+08:00",
              "utc": "1974-09-06T12:45:41Z",
              "ms": 147703541367.8587
            },
            "end": {
              "local": "1974-09-06T20:45:41+08:00",
              "utc": "1974-09-06T12:45:41Z",
              "ms": 147703541367.8587
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:01 on Thu 5 Sep to 08:51 on Fri 6 Sep.",
          "fact": "1974-09-05T00:01:22Z → 1974-09-06T00:51:08Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:06 on the 5th and 20:46 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.",
          "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 42873 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Thursday 5 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": "1974-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Thursday 5 September. Caturthī runs from 08:01 on Thu 5 Sep to 08:51 on Fri 6 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-09-05",
      "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/1974/ekadashi?on=1974-09-12",
      "festival": "ekadashi",
      "name": "Kṛṣṇa Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9260,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-09-12T03:12:50+08:00",
          "utc": "1974-09-11T19:12:50Z",
          "ms": 148158769525.45868
        },
        "end": {
          "local": "1974-09-13T00:23:13+08:00",
          "utc": "1974-09-12T16:23:13Z",
          "ms": 148234992989.14218
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-12T03:12:50+08:00",
          "utc": "1974-09-11T19:12:50Z",
          "ms": 148158769525.45868
        },
        "end": {
          "local": "1974-09-13T00:23:13+08:00",
          "utc": "1974-09-12T16:23:13Z",
          "ms": 148234992989.14218
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-09-12",
          "window": {
            "start": {
              "local": "1974-09-12T05:47:09+08:00",
              "utc": "1974-09-11T21:47:09Z",
              "ms": 148168029114.09
            },
            "end": {
              "local": "1974-09-12T05:47:09+08:00",
              "utc": "1974-09-11T21:47:09Z",
              "ms": 148168029114.09
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-09-13",
          "window": {
            "start": {
              "local": "1974-09-13T05:47:33+08:00",
              "utc": "1974-09-12T21:47:33Z",
              "ms": 148254453254.98886
            },
            "end": {
              "local": "1974-09-13T05:47:33+08:00",
              "utc": "1974-09-12T21:47:33Z",
              "ms": 148254453254.98886
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:13 on Thu 12 Sep to 00:23 on Fri 13 Sep.",
          "fact": "1974-09-11T19:12:50Z → 1974-09-12T16:23:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:47 on the 12th and 05:48 on the 13th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9260 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Ekādaśī, Fuzhou, 1974: Thursday 12 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": "1974-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Ekādaśī 1974 falls on Thursday 12 September. Ekādaśī runs from 03:13 on Thu 12 Sep to 00:23 on Fri 13 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-09-12",
      "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/1974/pradosha-vrata?on=1974-09-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-13",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1498,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-09-13T21:10:49+08:00",
          "utc": "1974-09-13T13:10:49Z",
          "ms": 148309848947.29602
        },
        "end": {
          "local": "1974-09-14T17:43:49+08:00",
          "utc": "1974-09-14T09:43:49Z",
          "ms": 148383828990.6952
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-13T21:10:49+08:00",
          "utc": "1974-09-13T13:10:49Z",
          "ms": 148309848947.29602
        },
        "end": {
          "local": "1974-09-14T17:43:49+08:00",
          "utc": "1974-09-14T09:43:49Z",
          "ms": 148383828990.6952
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-09-13",
          "window": {
            "start": {
              "local": "1974-09-13T18:09:53+08:00",
              "utc": "1974-09-13T10:09:53Z",
              "ms": 148298993252.41946
            },
            "end": {
              "local": "1974-09-13T19:42:58+08:00",
              "utc": "1974-09-13T11:42:58Z",
              "ms": 148304577805.89227
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        },
        {
          "local_date": "1974-09-14",
          "window": {
            "start": {
              "local": "1974-09-14T18:08:47+08:00",
              "utc": "1974-09-14T10:08:47Z",
              "ms": 148385326828.6782
            },
            "end": {
              "local": "1974-09-14T19:42:03+08:00",
              "utc": "1974-09-14T11:42:03Z",
              "ms": 148390923460.55646
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:11 on Fri 13 Sep to 17:44 on Sat 14 Sep.",
          "fact": "1974-09-13T13:10:49Z → 1974-09-14T09:43:49Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:43 on the 13th, 18:09–19:42 on the 14th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 13th and 0 of 93 on the 14th.",
          "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 1498 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Friday 13 September.",
          "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": "1974-09-13",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Friday 13 September. Trayodaśī runs from 21:11 on Fri 13 Sep to 17:44 on Sat 14 Sep, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-09-13",
      "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/1974/shivaratri?on=1974-09-14",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21045,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-09-14T17:43:49+08:00",
          "utc": "1974-09-14T09:43:49Z",
          "ms": 148383828990.6952
        },
        "end": {
          "local": "1974-09-15T14:11:48+08:00",
          "utc": "1974-09-15T06:11:48Z",
          "ms": 148457507850.3997
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-14T17:43:49+08:00",
          "utc": "1974-09-14T09:43:49Z",
          "ms": 148383828990.6952
        },
        "end": {
          "local": "1974-09-15T14:11:48+08:00",
          "utc": "1974-09-15T06:11:48Z",
          "ms": 148457507850.3997
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-09-14",
          "window": {
            "start": {
              "local": "1974-09-14T23:34:34+08:00",
              "utc": "1974-09-14T15:34:34Z",
              "ms": 148404874198.22162
            },
            "end": {
              "local": "1974-09-15T00:22:34+08:00",
              "utc": "1974-09-14T16:22:34Z",
              "ms": 148407754198.22162
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-15",
          "window": {
            "start": {
              "local": "1974-09-15T23:34:13+08:00",
              "utc": "1974-09-15T15:34:13Z",
              "ms": 148491253018.43985
            },
            "end": {
              "local": "1974-09-16T00:22:13+08:00",
              "utc": "1974-09-15T16:22:13Z",
              "ms": 148494133018.43985
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:44 on Sat 14 Sep to 14:12 on Sun 15 Sep.",
          "fact": "1974-09-14T09:43:49Z → 1974-09-15T06:11:48Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 14th, 23:34–00:22 on the 15th.",
          "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 14th and 0 of 48 on the 15th.",
          "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 21045 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Saturday 14 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": "1974-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Saturday 14 September. Caturdaśī runs from 17:44 on Sat 14 Sep to 14:12 on Sun 15 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-09-14",
      "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/1974/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2905,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1974-09-16T10:45:14+08:00",
          "utc": "1974-09-16T02:45:14Z",
          "ms": 148531514233.96384
        },
        "end": {
          "local": "1974-09-17T07:35:00+08:00",
          "utc": "1974-09-16T23:35:00Z",
          "ms": 148606500111.8747
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-16T10:45:14+08:00",
          "utc": "1974-09-16T02:45:14Z",
          "ms": 148531514233.96384
        },
        "end": {
          "local": "1974-09-17T07:35:00+08:00",
          "utc": "1974-09-16T23:35:00Z",
          "ms": 148606500111.8747
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-09-16",
          "window": {
            "start": {
              "local": "1974-09-16T11:33:40+08:00",
              "utc": "1974-09-16T03:33:40Z",
              "ms": 148534419694.01205
            },
            "end": {
              "local": "1974-09-16T12:21:40+08:00",
              "utc": "1974-09-16T04:21:40Z",
              "ms": 148537299694.01205
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-17",
          "window": {
            "start": {
              "local": "1974-09-17T11:33:18+08:00",
              "utc": "1974-09-17T03:33:18Z",
              "ms": 148620798439.43286
            },
            "end": {
              "local": "1974-09-17T12:21:18+08:00",
              "utc": "1974-09-17T04:21:18Z",
              "ms": 148623678439.43286
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 10:45 on Mon 16 Sep to 07:35 on Tue 17 Sep.",
          "fact": "1974-09-16T02:45:14Z → 1974-09-16T23:35:00Z"
        },
        {
          "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": "Pratipadā 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: purvaviddha → only-day · margin 2905 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Fuzhou, 1974: Monday 16 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": "1974-09-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-16",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Rudra Vrata 1974 falls on Monday 16 September. Pratipadā runs from 10:45 on Mon 16 Sep to 07:35 on Tue 17 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24071,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1974-09-18T04:51:46+08:00",
          "utc": "1974-09-17T20:51:46Z",
          "ms": 148683105977.67712
        },
        "end": {
          "local": "1974-09-19T02:45:18+08:00",
          "utc": "1974-09-18T18:45:18Z",
          "ms": 148761918317.02902
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-18T04:51:46+08:00",
          "utc": "1974-09-17T20:51:46Z",
          "ms": 148683105977.67712
        },
        "end": {
          "local": "1974-09-19T02:45:18+08:00",
          "utc": "1974-09-18T18:45:18Z",
          "ms": 148761918317.02902
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-09-18",
          "window": {
            "start": {
              "local": "1974-09-18T11:32:57+08:00",
              "utc": "1974-09-18T03:32:57Z",
              "ms": 148707177175.9505
            },
            "end": {
              "local": "1974-09-18T12:20:57+08:00",
              "utc": "1974-09-18T04:20:57Z",
              "ms": 148710057175.9505
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-19",
          "window": {
            "start": {
              "local": "1974-09-19T11:32:36+08:00",
              "utc": "1974-09-19T03:32:36Z",
              "ms": 148793555919.43594
            },
            "end": {
              "local": "1974-09-19T12:20:36+08:00",
              "utc": "1974-09-19T04:20:36Z",
              "ms": 148796435919.43594
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 04:52 on Wed 18 Sep to 02:45 on Thu 19 Sep.",
          "fact": "1974-09-17T20:51:46Z → 1974-09-18T18:45:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 18th, 11:33–12:21 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24071 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Fuzhou, 1974: Wednesday 18 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": "1974-09-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 1974 falls on Wednesday 18 September. Tṛtīyā runs from 04:52 on Wed 18 Sep to 02:45 on Thu 19 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31638,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-09-19T02:45:18+08:00",
          "utc": "1974-09-18T18:45:18Z",
          "ms": 148761918317.02902
        },
        "end": {
          "local": "1974-09-20T01:23:36+08:00",
          "utc": "1974-09-19T17:23:36Z",
          "ms": 148843416463.6898
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-19T02:45:18+08:00",
          "utc": "1974-09-18T18:45:18Z",
          "ms": 148761918317.02902
        },
        "end": {
          "local": "1974-09-20T01:23:36+08:00",
          "utc": "1974-09-19T17:23:36Z",
          "ms": 148843416463.6898
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-09-19",
          "window": {
            "start": {
              "local": "1974-09-19T11:32:36+08:00",
              "utc": "1974-09-19T03:32:36Z",
              "ms": 148793555919.43594
            },
            "end": {
              "local": "1974-09-19T12:20:36+08:00",
              "utc": "1974-09-19T04:20:36Z",
              "ms": 148796435919.43594
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-20",
          "window": {
            "start": {
              "local": "1974-09-20T11:32:15+08:00",
              "utc": "1974-09-20T03:32:15Z",
              "ms": 148879934686.66788
            },
            "end": {
              "local": "1974-09-20T12:20:15+08:00",
              "utc": "1974-09-20T04:20:15Z",
              "ms": 148882814686.66788
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:45 on Thu 19 Sep to 01:24 on Fri 20 Sep.",
          "fact": "1974-09-18T18:45:18Z → 1974-09-19T17:23:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 19th, 11:32–12:20 on the 20th.",
          "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 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 31638 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Fuzhou, 1974: Thursday 19 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": "1974-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Caturthī 1974 falls on Thursday 19 September. Caturthī runs from 02:45 on Thu 19 Sep to 01:24 on Fri 20 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36518,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1974-09-20T01:23:36+08:00",
          "utc": "1974-09-19T17:23:36Z",
          "ms": 148843416463.6898
        },
        "end": {
          "local": "1974-09-21T00:51:50+08:00",
          "utc": "1974-09-20T16:51:50Z",
          "ms": 148927910105.6649
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-20T01:23:36+08:00",
          "utc": "1974-09-19T17:23:36Z",
          "ms": 148843416463.6898
        },
        "end": {
          "local": "1974-09-21T00:51:50+08:00",
          "utc": "1974-09-20T16:51:50Z",
          "ms": 148927910105.6649
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-09-20",
          "window": {
            "start": {
              "local": "1974-09-20T11:32:15+08:00",
              "utc": "1974-09-20T03:32:15Z",
              "ms": 148879934686.66788
            },
            "end": {
              "local": "1974-09-20T12:20:15+08:00",
              "utc": "1974-09-20T04:20:15Z",
              "ms": 148882814686.66788
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-21",
          "window": {
            "start": {
              "local": "1974-09-21T11:31:53+08:00",
              "utc": "1974-09-21T03:31:53Z",
              "ms": 148966313495.3988
            },
            "end": {
              "local": "1974-09-21T12:19:53+08:00",
              "utc": "1974-09-21T04:19:53Z",
              "ms": 148969193495.3988
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 01:24 on Fri 20 Sep to 00:52 on Sat 21 Sep.",
          "fact": "1974-09-19T17:23:36Z → 1974-09-20T16:51:50Z"
        },
        {
          "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": "Pañcamī 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: disputed → only-day · margin 36518 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Fuzhou, 1974: Friday 20 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": "1974-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Pañcamī 1974 falls on Friday 20 September. Pañcamī runs from 01:24 on Fri 20 Sep to 00:52 on Sat 21 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37216,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1974-09-21T00:51:50+08:00",
          "utc": "1974-09-20T16:51:50Z",
          "ms": 148927910105.6649
        },
        "end": {
          "local": "1974-09-22T01:11:16+08:00",
          "utc": "1974-09-21T17:11:16Z",
          "ms": 149015476358.08066
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-21T00:51:50+08:00",
          "utc": "1974-09-20T16:51:50Z",
          "ms": 148927910105.6649
        },
        "end": {
          "local": "1974-09-22T01:11:16+08:00",
          "utc": "1974-09-21T17:11:16Z",
          "ms": 149015476358.08066
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-09-21",
          "window": {
            "start": {
              "local": "1974-09-21T11:31:53+08:00",
              "utc": "1974-09-21T03:31:53Z",
              "ms": 148966313495.3988
            },
            "end": {
              "local": "1974-09-21T12:19:53+08:00",
              "utc": "1974-09-21T04:19:53Z",
              "ms": 148969193495.3988
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-22",
          "window": {
            "start": {
              "local": "1974-09-22T11:31:32+08:00",
              "utc": "1974-09-22T03:31:32Z",
              "ms": 149052692364.31012
            },
            "end": {
              "local": "1974-09-22T12:19:32+08:00",
              "utc": "1974-09-22T04:19:32Z",
              "ms": 149055572364.31012
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 00:52 on Sat 21 Sep to 01:11 on Sun 22 Sep.",
          "fact": "1974-09-20T16:51:50Z → 1974-09-21T17:11:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 21st, 11:32–12:20 on the 22nd.",
          "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 21st and 0 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: paraviddha → only-day · margin 37216 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 1974: Saturday 21 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": "1974-09-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 1974 falls on Saturday 21 September. Ṣaṣṭhī runs from 00:52 on Sat 21 Sep to 01:11 on Sun 22 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33157,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1974-09-22T01:11:16+08:00",
          "utc": "1974-09-21T17:11:16Z",
          "ms": 149015476358.08066
        },
        "end": {
          "local": "1974-09-23T02:18:35+08:00",
          "utc": "1974-09-22T18:18:35Z",
          "ms": 149105914734.94226
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-22T01:11:16+08:00",
          "utc": "1974-09-21T17:11:16Z",
          "ms": 149015476358.08066
        },
        "end": {
          "local": "1974-09-23T02:18:35+08:00",
          "utc": "1974-09-22T18:18:35Z",
          "ms": 149105914734.94226
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-09-22",
          "window": {
            "start": {
              "local": "1974-09-22T11:31:32+08:00",
              "utc": "1974-09-22T03:31:32Z",
              "ms": 149052692364.31012
            },
            "end": {
              "local": "1974-09-22T12:19:32+08:00",
              "utc": "1974-09-22T04:19:32Z",
              "ms": 149055572364.31012
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-23",
          "window": {
            "start": {
              "local": "1974-09-23T11:31:11+08:00",
              "utc": "1974-09-23T03:31:11Z",
              "ms": 149139071312.90918
            },
            "end": {
              "local": "1974-09-23T12:19:11+08:00",
              "utc": "1974-09-23T04:19:11Z",
              "ms": 149141951312.90918
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 01:11 on Sun 22 Sep to 02:19 on Mon 23 Sep.",
          "fact": "1974-09-21T17:11:16Z → 1974-09-22T18:18:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 22nd, 11:31–12:19 on the 23rd.",
          "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 22nd and 0 of 48 on the 23rd.",
          "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 33157 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Fuzhou, 1974: Sunday 22 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": "1974-09-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Muktābharaṇa Vrata 1974 falls on Sunday 22 September. Saptamī runs from 01:11 on Sun 22 Sep to 02:19 on Mon 23 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26707,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-09-23T02:18:35+08:00",
          "utc": "1974-09-22T18:18:35Z",
          "ms": 149105914734.94226
        },
        "end": {
          "local": "1974-09-24T04:05:44+08:00",
          "utc": "1974-09-23T20:05:44Z",
          "ms": 149198743771.62134
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-23T02:18:35+08:00",
          "utc": "1974-09-22T18:18:35Z",
          "ms": 149105914734.94226
        },
        "end": {
          "local": "1974-09-24T04:05:44+08:00",
          "utc": "1974-09-23T20:05:44Z",
          "ms": 149198743771.62134
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-09-23",
          "window": {
            "start": {
              "local": "1974-09-23T11:31:11+08:00",
              "utc": "1974-09-23T03:31:11Z",
              "ms": 149139071312.90918
            },
            "end": {
              "local": "1974-09-23T12:19:11+08:00",
              "utc": "1974-09-23T04:19:11Z",
              "ms": 149141951312.90918
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-24",
          "window": {
            "start": {
              "local": "1974-09-24T11:30:50+08:00",
              "utc": "1974-09-24T03:30:50Z",
              "ms": 149225450361.52985
            },
            "end": {
              "local": "1974-09-24T12:18:50+08:00",
              "utc": "1974-09-24T04:18:50Z",
              "ms": 149228330361.52985
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 02:19 on Mon 23 Sep to 04:06 on Tue 24 Sep.",
          "fact": "1974-09-22T18:18:35Z → 1974-09-23T20:05:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 23rd, 11:31–12:19 on the 24th.",
          "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 23rd and 0 of 48 on the 24th.",
          "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 26707 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Fuzhou, 1974: Monday 23 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": "1974-09-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rādhāṣṭamī 1974 falls on Monday 23 September. Aṣṭamī runs from 02:19 on Mon 23 Sep to 04:06 on Tue 24 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-09-27",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10659,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-09-26T08:50:30+08:00",
          "utc": "1974-09-26T00:50:30Z",
          "ms": 149388629939.0765
        },
        "end": {
          "local": "1974-09-27T11:21:00+08:00",
          "utc": "1974-09-27T03:21:00Z",
          "ms": 149484059690.329
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-26T08:50:30+08:00",
          "utc": "1974-09-26T00:50:30Z",
          "ms": 149388629939.0765
        },
        "end": {
          "local": "1974-09-27T11:21:00+08:00",
          "utc": "1974-09-27T03:21:00Z",
          "ms": 149484059690.329
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-09-26",
          "window": {
            "start": {
              "local": "1974-09-26T05:52:51+08:00",
              "utc": "1974-09-25T21:52:51Z",
              "ms": 149377970963.71143
            },
            "end": {
              "local": "1974-09-26T05:52:51+08:00",
              "utc": "1974-09-25T21:52:51Z",
              "ms": 149377970963.71143
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-09-27",
          "window": {
            "start": {
              "local": "1974-09-27T05:53:16+08:00",
              "utc": "1974-09-26T21:53:16Z",
              "ms": 149464396083.96375
            },
            "end": {
              "local": "1974-09-27T05:53:16+08:00",
              "utc": "1974-09-26T21:53:16Z",
              "ms": 149464396083.96375
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:50 on Thu 26 Sep to 11:21 on Fri 27 Sep.",
          "fact": "1974-09-26T00:50:30Z → 1974-09-27T03:21:00Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:53 on the 26th and 05:53 on the 27th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 26th and is on the 27th.",
          "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 10659 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Fuzhou, 1974: Friday 27 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": "1974-09-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Parivartanī Ekādaśī 1974 falls on Friday 27 September. Ekādaśī runs from 08:50 on Thu 26 Sep to 11:21 on Fri 27 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-09-27",
      "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/1974/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-27",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 529,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1974-09-27T11:21:00+08:00",
          "utc": "1974-09-27T03:21:00Z",
          "ms": 149484059690.329
        },
        "end": {
          "local": "1974-09-28T13:41:14+08:00",
          "utc": "1974-09-28T05:41:14Z",
          "ms": 149578874331.02106
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-27T11:21:00+08:00",
          "utc": "1974-09-27T03:21:00Z",
          "ms": 149484059690.329
        },
        "end": {
          "local": "1974-09-28T13:41:14+08:00",
          "utc": "1974-09-28T05:41:14Z",
          "ms": 149578874331.02106
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-09-27",
          "window": {
            "start": {
              "local": "1974-09-27T11:29:48+08:00",
              "utc": "1974-09-27T03:29:48Z",
              "ms": 149484588316.78308
            },
            "end": {
              "local": "1974-09-27T12:17:48+08:00",
              "utc": "1974-09-27T04:17:48Z",
              "ms": 149487468316.78308
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-09-28",
          "window": {
            "start": {
              "local": "1974-09-28T11:29:28+08:00",
              "utc": "1974-09-28T03:29:28Z",
              "ms": 149570967977.69678
            },
            "end": {
              "local": "1974-09-28T12:17:28+08:00",
              "utc": "1974-09-28T04:17:28Z",
              "ms": 149573847977.69678
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 11:21 on Fri 27 Sep to 13:41 on Sat 28 Sep.",
          "fact": "1974-09-27T03:21:00Z → 1974-09-28T05:41:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 27th, 11:29–12:17 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 529 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Fuzhou, 1974: Friday 27 September.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "1974-09-27",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-28",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Vāmana Jayantī 1974 falls on Friday 27 September. Dvādaśī runs from 11:21 on Fri 27 Sep to 13:41 on Sat 28 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pradosha-vrata?on=1974-09-28",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7729,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-09-28T13:41:14+08:00",
          "utc": "1974-09-28T05:41:14Z",
          "ms": 149578874331.02106
        },
        "end": {
          "local": "1974-09-29T15:43:20+08:00",
          "utc": "1974-09-29T07:43:20Z",
          "ms": 149672600281.22696
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-28T13:41:14+08:00",
          "utc": "1974-09-28T05:41:14Z",
          "ms": 149578874331.02106
        },
        "end": {
          "local": "1974-09-29T15:43:20+08:00",
          "utc": "1974-09-29T07:43:20Z",
          "ms": 149672600281.22696
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-09-28",
          "window": {
            "start": {
              "local": "1974-09-28T17:53:15+08:00",
              "utc": "1974-09-28T09:53:15Z",
              "ms": 149593994583.40796
            },
            "end": {
              "local": "1974-09-28T19:29:22+08:00",
              "utc": "1974-09-28T11:29:22Z",
              "ms": 149599761551.52728
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        },
        {
          "local_date": "1974-09-29",
          "window": {
            "start": {
              "local": "1974-09-29T17:52:09+08:00",
              "utc": "1974-09-29T09:52:09Z",
              "ms": 149680328849.95264
            },
            "end": {
              "local": "1974-09-29T19:28:28+08:00",
              "utc": "1974-09-29T11:28:28Z",
              "ms": 149686108005.673
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:41 on Sat 28 Sep to 15:43 on Sun 29 Sep.",
          "fact": "1974-09-28T05:41:14Z → 1974-09-29T07:43:20Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:29 on the 28th, 17:52–19:28 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 28th and 0 of 96 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7729 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Saturday 28 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": "1974-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Saturday 28 September. Trayodaśī runs from 13:41 on Sat 28 Sep to 15:43 on Sun 29 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-09-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-09-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26737,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-09-29T15:43:20+08:00",
          "utc": "1974-09-29T07:43:20Z",
          "ms": 149672600281.22696
        },
        "end": {
          "local": "1974-09-30T17:22:48+08:00",
          "utc": "1974-09-30T09:22:48Z",
          "ms": 149764968437.03522
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-09-29T15:43:20+08:00",
          "utc": "1974-09-29T07:43:20Z",
          "ms": 149672600281.22696
        },
        "end": {
          "local": "1974-09-30T17:22:48+08:00",
          "utc": "1974-09-30T09:22:48Z",
          "ms": 149764968437.03522
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "1974-09-29",
          "window": {
            "start": {
              "local": "1974-09-29T05:54:07+08:00",
              "utc": "1974-09-28T21:54:07Z",
              "ms": 149637246844.30283
            },
            "end": {
              "local": "1974-09-29T08:17:43+08:00",
              "utc": "1974-09-29T00:17:43Z",
              "ms": 149645863245.4328
            }
          },
          "covered_min": 0,
          "window_min": 144,
          "qualifies": false
        },
        {
          "local_date": "1974-09-30",
          "window": {
            "start": {
              "local": "1974-09-30T05:54:33+08:00",
              "utc": "1974-09-29T21:54:33Z",
              "ms": 149723672517.85532
            },
            "end": {
              "local": "1974-09-30T08:17:51+08:00",
              "utc": "1974-09-30T00:17:51Z",
              "ms": 149732270689.9257
            }
          },
          "covered_min": 143,
          "window_min": 143,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:43 on Sun 29 Sep to 17:23 on Mon 30 Sep.",
          "fact": "1974-09-29T07:43:20Z → 1974-09-30T09:22:48Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:54–08:18 on the 29th, 05:55–08:18 on the 30th.",
          "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 144 minutes on the 29th and 143 of 143 on the 30th.",
          "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 26737 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Fuzhou, 1974: Monday 30 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": "1974-09-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-09-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ananta Caturdaśī 1974 falls on Monday 30 September. Caturdaśī runs from 15:43 on Sun 29 Sep to 17:23 on Mon 30 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-10-04",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-04",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1931,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-10-04T20:01:40+08:00",
          "utc": "1974-10-04T12:01:40Z",
          "ms": 150120099957.00162
        },
        "end": {
          "local": "1974-10-05T19:44:46+08:00",
          "utc": "1974-10-05T11:44:46Z",
          "ms": 150205486055.9101
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-04T20:01:40+08:00",
          "utc": "1974-10-04T12:01:40Z",
          "ms": 150120099957.00162
        },
        "end": {
          "local": "1974-10-05T19:44:46+08:00",
          "utc": "1974-10-05T11:44:46Z",
          "ms": 150205486055.9101
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-10-04",
          "window": {
            "start": {
              "local": "1974-10-04T19:29:03+08:00",
              "utc": "1974-10-04T11:29:03Z",
              "ms": 150118142959.46338
            },
            "end": {
              "local": "1974-10-04T19:29:03+08:00",
              "utc": "1974-10-04T11:29:03Z",
              "ms": 150118142959.46338
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-10-05",
          "window": {
            "start": {
              "local": "1974-10-05T20:16:57+08:00",
              "utc": "1974-10-05T12:16:57Z",
              "ms": 150207417164.90808
            },
            "end": {
              "local": "1974-10-05T20:16:57+08:00",
              "utc": "1974-10-05T12:16:57Z",
              "ms": 150207417164.90808
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:02 on Fri 4 Oct to 19:45 on Sat 5 Oct.",
          "fact": "1974-10-04T12:01:40Z → 1974-10-05T11:44:46Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:29 on the 4th and 20:17 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not 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": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 1931 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Friday 4 October.",
          "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": "1974-10-04",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-04",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Friday 4 October. Caturthī runs from 20:02 on Fri 4 Oct to 19:45 on Sat 5 Oct, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-10-04",
      "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/1974/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7469,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1974-10-06T19:05:31+08:00",
          "utc": "1974-10-06T11:05:31Z",
          "ms": 150289530963.83994
        },
        "end": {
          "local": "1974-10-07T18:03:14+08:00",
          "utc": "1974-10-07T10:03:14Z",
          "ms": 150372194136.23645
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-06T19:05:31+08:00",
          "utc": "1974-10-06T11:05:31Z",
          "ms": 150289530963.83994
        },
        "end": {
          "local": "1974-10-07T18:03:14+08:00",
          "utc": "1974-10-07T10:03:14Z",
          "ms": 150372194136.23645
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-10-06",
          "window": {
            "start": {
              "local": "1974-10-06T21:10:00+08:00",
              "utc": "1974-10-06T13:10:00Z",
              "ms": 150297000071.1693
            },
            "end": {
              "local": "1974-10-06T21:10:00+08:00",
              "utc": "1974-10-06T13:10:00Z",
              "ms": 150297000071.1693
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-10-07",
          "window": {
            "start": {
              "local": "1974-10-07T22:07:46+08:00",
              "utc": "1974-10-07T14:07:46Z",
              "ms": 150386865635.86188
            },
            "end": {
              "local": "1974-10-07T22:07:46+08:00",
              "utc": "1974-10-07T14:07:46Z",
              "ms": 150386865635.86188
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 19:06 on Sun 6 Oct to 18:03 on Mon 7 Oct.",
          "fact": "1974-10-06T11:05:31Z → 1974-10-07T10:03:14Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:10 on the 6th and 22:08 on the 7th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is on the 6th and is not on the 7th.",
          "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 7469 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Fuzhou, 1974: Sunday 6 October.",
          "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": "1974-10-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Candra Ṣaṣṭhī 1974 falls on Sunday 6 October. Ṣaṣṭhī runs from 19:06 on Sun 6 Oct to 18:03 on Mon 7 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3911,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-10-08T16:37:21+08:00",
          "utc": "1974-10-08T08:37:21Z",
          "ms": 150453441149.6782
        },
        "end": {
          "local": "1974-10-09T14:48:00+08:00",
          "utc": "1974-10-09T06:48:00Z",
          "ms": 150533280250.36087
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-08T16:37:21+08:00",
          "utc": "1974-10-08T08:37:21Z",
          "ms": 150453441149.6782
        },
        "end": {
          "local": "1974-10-09T14:48:00+08:00",
          "utc": "1974-10-09T06:48:00Z",
          "ms": 150533280250.36087
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-10-08",
          "window": {
            "start": {
              "local": "1974-10-08T17:42:33+08:00",
              "utc": "1974-10-08T09:42:33Z",
              "ms": 150457352592.64896
            },
            "end": {
              "local": "1974-10-08T19:20:41+08:00",
              "utc": "1974-10-08T11:20:41Z",
              "ms": 150463240979.54883
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "1974-10-09",
          "window": {
            "start": {
              "local": "1974-10-09T17:41:31+08:00",
              "utc": "1974-10-09T09:41:31Z",
              "ms": 150543690816.6082
            },
            "end": {
              "local": "1974-10-09T19:19:51+08:00",
              "utc": "1974-10-09T11:19:51Z",
              "ms": 150549591255.90048
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 16:37 on Tue 8 Oct to 14:48 on Wed 9 Oct.",
          "fact": "1974-10-08T08:37:21Z → 1974-10-09T06:48:00Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:21 on the 8th, 17:42–19:20 on the 9th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 98 of 98 minutes on the 8th and 0 of 98 on the 9th.",
          "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 3911 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Fuzhou, 1974: Tuesday 8 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-10-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 1974 falls on Tuesday 8 October. Aṣṭamī runs from 16:37 on Tue 8 Oct to 14:48 on Wed 9 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23504,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-10-08T16:37:21+08:00",
          "utc": "1974-10-08T08:37:21Z",
          "ms": 150453441149.6782
        },
        "end": {
          "local": "1974-10-09T14:48:00+08:00",
          "utc": "1974-10-09T06:48:00Z",
          "ms": 150533280250.36087
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-08T16:37:21+08:00",
          "utc": "1974-10-08T08:37:21Z",
          "ms": 150453441149.6782
        },
        "end": {
          "local": "1974-10-09T14:48:00+08:00",
          "utc": "1974-10-09T06:48:00Z",
          "ms": 150533280250.36087
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-10-08",
          "window": {
            "start": {
              "local": "1974-10-08T23:09:05+08:00",
              "utc": "1974-10-08T15:09:05Z",
              "ms": 150476944961.0544
            },
            "end": {
              "local": "1974-10-08T23:09:05+08:00",
              "utc": "1974-10-08T15:09:05Z",
              "ms": 150476944961.0544
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-10-09",
          "window": {
            "start": {
              "local": "1974-10-10T00:12:28+08:00",
              "utc": "1974-10-09T16:12:28Z",
              "ms": 150567147900.609
            },
            "end": {
              "local": "1974-10-10T00:12:28+08:00",
              "utc": "1974-10-09T16:12:28Z",
              "ms": 150567147900.609
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 16:37 on Tue 8 Oct to 14:48 on Wed 9 Oct.",
          "fact": "1974-10-08T08:37:21Z → 1974-10-09T06:48:00Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:09 on the 8th and 00:12 on the 9th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 8th and is not on the 9th.",
          "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 23504 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 1974: Tuesday 8 October.",
          "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": "1974-10-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 1974 falls on Tuesday 8 October. Aṣṭamī runs from 16:37 on Tue 8 Oct to 14:48 on Wed 9 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-10-12",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4879,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-10-11T10:06:07+08:00",
          "utc": "1974-10-11T02:06:07Z",
          "ms": 150689167253.25635
        },
        "end": {
          "local": "1974-10-12T07:21:21+08:00",
          "utc": "1974-10-11T23:21:21Z",
          "ms": 150765681303.2666
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-11T10:06:07+08:00",
          "utc": "1974-10-11T02:06:07Z",
          "ms": 150689167253.25635
        },
        "end": {
          "local": "1974-10-12T07:21:21+08:00",
          "utc": "1974-10-11T23:21:21Z",
          "ms": 150765681303.2666
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-10-11",
          "window": {
            "start": {
              "local": "1974-10-11T05:59:33+08:00",
              "utc": "1974-10-10T21:59:33Z",
              "ms": 150674373100.58676
            },
            "end": {
              "local": "1974-10-11T05:59:33+08:00",
              "utc": "1974-10-10T21:59:33Z",
              "ms": 150674373100.58676
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-10-12",
          "window": {
            "start": {
              "local": "1974-10-12T06:00:02+08:00",
              "utc": "1974-10-11T22:00:02Z",
              "ms": 150760802471.19107
            },
            "end": {
              "local": "1974-10-12T06:00:02+08:00",
              "utc": "1974-10-11T22:00:02Z",
              "ms": 150760802471.19107
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:06 on Fri 11 Oct to 07:21 on Sat 12 Oct.",
          "fact": "1974-10-11T02:06:07Z → 1974-10-11T23:21:21Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:00 on the 11th and 06:00 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 4879 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Fuzhou, 1974: Saturday 12 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": "1974-10-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Indirā Ekādaśī 1974 falls on Saturday 12 October. Ekādaśī runs from 10:06 on Fri 11 Oct to 07:21 on Sat 12 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-10-12",
      "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/1974/pradosha-vrata?on=1974-10-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22750,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-10-13T04:28:40+08:00",
          "utc": "1974-10-12T20:28:40Z",
          "ms": 150841720258.19266
        },
        "end": {
          "local": "1974-10-14T01:35:48+08:00",
          "utc": "1974-10-13T17:35:48Z",
          "ms": 150917748124.2717
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-13T04:28:40+08:00",
          "utc": "1974-10-12T20:28:40Z",
          "ms": 150841720258.19266
        },
        "end": {
          "local": "1974-10-14T01:35:48+08:00",
          "utc": "1974-10-13T17:35:48Z",
          "ms": 150917748124.2717
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-10-12",
          "window": {
            "start": {
              "local": "1974-10-12T17:38:29+08:00",
              "utc": "1974-10-12T09:38:29Z",
              "ms": 150802708946.22458
            },
            "end": {
              "local": "1974-10-12T19:17:25+08:00",
              "utc": "1974-10-12T11:17:25Z",
              "ms": 150808645384.12244
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        },
        {
          "local_date": "1974-10-13",
          "window": {
            "start": {
              "local": "1974-10-13T17:37:30+08:00",
              "utc": "1974-10-13T09:37:30Z",
              "ms": 150889049563.26956
            },
            "end": {
              "local": "1974-10-13T19:16:38+08:00",
              "utc": "1974-10-13T11:16:38Z",
              "ms": 150894997939.40158
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:29 on Sun 13 Oct to 01:36 on Mon 14 Oct.",
          "fact": "1974-10-12T20:28:40Z → 1974-10-13T17:35:48Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:17 on the 12th, 17:37–19:17 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 99 minutes on the 12th and 99 of 99 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 22750 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Sunday 13 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": "1974-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Sunday 13 October. Trayodaśī runs from 04:29 on Sun 13 Oct to 01:36 on Mon 14 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-10-13",
      "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/1974/shivaratri?on=1974-10-13",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-13",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2015,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-10-14T01:35:48+08:00",
          "utc": "1974-10-13T17:35:48Z",
          "ms": 150917748124.2717
        },
        "end": {
          "local": "1974-10-14T22:51:27+08:00",
          "utc": "1974-10-14T14:51:27Z",
          "ms": 150994286799.29022
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-14T01:35:48+08:00",
          "utc": "1974-10-13T17:35:48Z",
          "ms": 150917748124.2717
        },
        "end": {
          "local": "1974-10-14T22:51:27+08:00",
          "utc": "1974-10-14T14:51:27Z",
          "ms": 150994286799.29022
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-10-13",
          "window": {
            "start": {
              "local": "1974-10-13T23:25:16+08:00",
              "utc": "1974-10-13T15:25:16Z",
              "ms": 150909915973.76462
            },
            "end": {
              "local": "1974-10-14T00:13:16+08:00",
              "utc": "1974-10-13T16:13:16Z",
              "ms": 150912795973.76462
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-10-14",
          "window": {
            "start": {
              "local": "1974-10-14T23:25:02+08:00",
              "utc": "1974-10-14T15:25:02Z",
              "ms": 150996301889.47766
            },
            "end": {
              "local": "1974-10-15T00:13:02+08:00",
              "utc": "1974-10-14T16:13:02Z",
              "ms": 150999181889.47766
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 01:36 on Mon 14 Oct to 22:51 on Mon 14 Oct.",
          "fact": "1974-10-13T17:35:48Z → 1974-10-14T14:51:27Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 13th, 23:25–00:13 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 2015 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Sunday 13 October.",
          "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": "1974-10-13",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Sunday 13 October. Caturdaśī runs from 01:36 on Mon 14 Oct to 22:51 on Mon 14 Oct, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-10-13",
      "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/1974/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18483,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1974-10-14T22:51:27+08:00",
          "utc": "1974-10-14T14:51:27Z",
          "ms": 150994286799.29022
        },
        "end": {
          "local": "1974-10-15T20:24:47+08:00",
          "utc": "1974-10-15T12:24:47Z",
          "ms": 151071887476.24496
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-14T22:51:27+08:00",
          "utc": "1974-10-14T14:51:27Z",
          "ms": 150994286799.29022
        },
        "end": {
          "local": "1974-10-15T20:24:47+08:00",
          "utc": "1974-10-15T12:24:47Z",
          "ms": 151071887476.24496
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "1974-10-14",
          "window": {
            "start": {
              "local": "1974-10-14T12:58:19+08:00",
              "utc": "1974-10-14T04:58:19Z",
              "ms": 150958699458.7621
            },
            "end": {
              "local": "1974-10-14T15:17:25+08:00",
              "utc": "1974-10-14T07:17:25Z",
              "ms": 150967045150.2629
            }
          },
          "covered_min": 0,
          "window_min": 139,
          "qualifies": false
        },
        {
          "local_date": "1974-10-15",
          "window": {
            "start": {
              "local": "1974-10-15T12:57:57+08:00",
              "utc": "1974-10-15T04:57:57Z",
              "ms": 151045076857.95367
            },
            "end": {
              "local": "1974-10-15T15:16:45+08:00",
              "utc": "1974-10-15T07:16:45Z",
              "ms": 151053404831.54102
            }
          },
          "covered_min": 139,
          "window_min": 139,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 22:51 on Mon 14 Oct to 20:25 on Tue 15 Oct.",
          "fact": "1974-10-14T14:51:27Z → 1974-10-15T12:24:47Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:58–15:17 on the 14th, 12:58–15:17 on the 15th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 139 minutes on the 14th and 139 of 139 on the 15th.",
          "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 18483 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Fuzhou, 1974: Tuesday 15 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": "1974-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālaya Amāvāsyā 1974 falls on Tuesday 15 October. Amāvasyā runs from 22:51 on Mon 14 Oct to 20:25 on Tue 15 Oct and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22356,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1974-10-15T20:24:47+08:00",
          "utc": "1974-10-15T12:24:47Z",
          "ms": 151071887476.24496
        },
        "end": {
          "local": "1974-10-16T18:24:56+08:00",
          "utc": "1974-10-16T10:24:56Z",
          "ms": 151151096093.20096
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-15T20:24:47+08:00",
          "utc": "1974-10-15T12:24:47Z",
          "ms": 151071887476.24496
        },
        "end": {
          "local": "1974-10-16T18:24:56+08:00",
          "utc": "1974-10-16T10:24:56Z",
          "ms": 151151096093.20096
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-10-15",
          "window": {
            "start": {
              "local": "1974-10-15T11:24:33+08:00",
              "utc": "1974-10-15T03:24:33Z",
              "ms": 151039472871.16
            },
            "end": {
              "local": "1974-10-15T12:12:33+08:00",
              "utc": "1974-10-15T04:12:33Z",
              "ms": 151042352871.16
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-10-16",
          "window": {
            "start": {
              "local": "1974-10-16T11:24:20+08:00",
              "utc": "1974-10-16T03:24:20Z",
              "ms": 151125859684.65375
            },
            "end": {
              "local": "1974-10-16T12:12:20+08:00",
              "utc": "1974-10-16T04:12:20Z",
              "ms": 151128739684.65375
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 20:25 on Tue 15 Oct to 18:25 on Wed 16 Oct.",
          "fact": "1974-10-15T12:24:47Z → 1974-10-16T10:24:56Z"
        },
        {
          "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": "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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22356 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Fuzhou, 1974: Wednesday 16 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": "1974-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Navratri) 1974 falls on Wednesday 16 October. Pratipadā runs from 20:25 on Tue 15 Oct to 18:25 on Wed 16 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vinayaka-chaturthi?on=1974-10-19",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14715,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-10-18T16:17:10+08:00",
          "utc": "1974-10-18T08:17:10Z",
          "ms": 151316229732.4236
        },
        "end": {
          "local": "1974-10-19T16:19:51+08:00",
          "utc": "1974-10-19T08:19:51Z",
          "ms": 151402790668.65683
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-18T16:17:10+08:00",
          "utc": "1974-10-18T08:17:10Z",
          "ms": 151316229732.4236
        },
        "end": {
          "local": "1974-10-19T16:19:51+08:00",
          "utc": "1974-10-19T08:19:51Z",
          "ms": 151402790668.65683
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-10-18",
          "window": {
            "start": {
              "local": "1974-10-18T11:23:55+08:00",
              "utc": "1974-10-18T03:23:55Z",
              "ms": 151298635030.01764
            },
            "end": {
              "local": "1974-10-18T12:11:55+08:00",
              "utc": "1974-10-18T04:11:55Z",
              "ms": 151301515030.01764
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-10-19",
          "window": {
            "start": {
              "local": "1974-10-19T11:23:44+08:00",
              "utc": "1974-10-19T03:23:44Z",
              "ms": 151385023588.45215
            },
            "end": {
              "local": "1974-10-19T12:11:44+08:00",
              "utc": "1974-10-19T04:11:44Z",
              "ms": 151387903588.45215
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:17 on Fri 18 Oct to 16:20 on Sat 19 Oct.",
          "fact": "1974-10-18T08:17:10Z → 1974-10-19T08:19:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 18th, 11:24–12:12 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 0 of 48 minutes on the 18th and 48 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 14715 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Saturday 19 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": "1974-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Saturday 19 October. Caturthī runs from 16:17 on Fri 18 Oct to 16:20 on Sat 19 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-10-19",
      "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/1974/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33796,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1974-10-21T18:38:59+08:00",
          "utc": "1974-10-21T10:38:59Z",
          "ms": 151583939252.41083
        },
        "end": {
          "local": "1974-10-22T20:42:36+08:00",
          "utc": "1974-10-22T12:42:36Z",
          "ms": 151677756313.3613
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-21T18:38:59+08:00",
          "utc": "1974-10-21T10:38:59Z",
          "ms": 151583939252.41083
        },
        "end": {
          "local": "1974-10-22T20:42:36+08:00",
          "utc": "1974-10-22T12:42:36Z",
          "ms": 151677756313.3613
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "1974-10-22",
          "window": {
            "start": {
              "local": "1974-10-22T06:05:18+08:00",
              "utc": "1974-10-21T22:05:18Z",
              "ms": 151625118243.28235
            },
            "end": {
              "local": "1974-10-22T06:50:54+08:00",
              "utc": "1974-10-21T22:50:54Z",
              "ms": 151627853540.69434
            }
          },
          "covered_min": 46,
          "window_min": 46,
          "qualifies": true
        },
        {
          "local_date": "1974-10-23",
          "window": {
            "start": {
              "local": "1974-10-23T06:05:52+08:00",
              "utc": "1974-10-22T22:05:52Z",
              "ms": 151711552098.75482
            },
            "end": {
              "local": "1974-10-23T06:51:22+08:00",
              "utc": "1974-10-22T22:51:22Z",
              "ms": 151714281692.80405
            }
          },
          "covered_min": 0,
          "window_min": 45,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 18:39 on Mon 21 Oct to 20:43 on Tue 22 Oct.",
          "fact": "1974-10-21T10:38:59Z → 1974-10-22T12:42:36Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:05–06:51 on the 22nd, 06:06–06:51 on the 23rd.",
          "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 46 of 46 minutes on the 22nd and 0 of 45 on the 23rd.",
          "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 33796 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Fuzhou, 1974: Tuesday 22 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": "1974-10-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Saptamī 1974 falls on Tuesday 22 October. Saptamī runs from 18:39 on Mon 21 Oct to 20:43 on Tue 22 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30683,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-10-22T20:42:36+08:00",
          "utc": "1974-10-22T12:42:36Z",
          "ms": 151677756313.3613
        },
        "end": {
          "local": "1974-10-23T23:06:58+08:00",
          "utc": "1974-10-23T15:06:58Z",
          "ms": 151772817646.12518
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-22T20:42:36+08:00",
          "utc": "1974-10-22T12:42:36Z",
          "ms": 151677756313.3613
        },
        "end": {
          "local": "1974-10-23T23:06:58+08:00",
          "utc": "1974-10-23T15:06:58Z",
          "ms": 151772817646.12518
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-10-22",
          "window": {
            "start": {
              "local": "1974-10-22T11:23:13+08:00",
              "utc": "1974-10-22T03:23:13Z",
              "ms": 151644192973.87225
            },
            "end": {
              "local": "1974-10-22T12:11:13+08:00",
              "utc": "1974-10-22T04:11:13Z",
              "ms": 151647072973.87225
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-10-23",
          "window": {
            "start": {
              "local": "1974-10-23T11:23:04+08:00",
              "utc": "1974-10-23T03:23:04Z",
              "ms": 151730584054.12408
            },
            "end": {
              "local": "1974-10-23T12:11:04+08:00",
              "utc": "1974-10-23T04:11:04Z",
              "ms": 151733464054.12408
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 20:43 on Tue 22 Oct to 23:07 on Wed 23 Oct.",
          "fact": "1974-10-22T12:42:36Z → 1974-10-23T15:06:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 22nd, 11:23–12:11 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 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30683 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Fuzhou, 1974: Wednesday 23 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": "1974-10-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 1974 falls on Wednesday 23 October. Aṣṭamī runs from 20:43 on Tue 22 Oct to 23:07 on Wed 23 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35106,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1974-10-23T23:06:58+08:00",
          "utc": "1974-10-23T15:06:58Z",
          "ms": 151772817646.12518
        },
        "end": {
          "local": "1974-10-25T01:37:43+08:00",
          "utc": "1974-10-24T17:37:43Z",
          "ms": 151868262627.9433
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-23T23:06:58+08:00",
          "utc": "1974-10-23T15:06:58Z",
          "ms": 151772817646.12518
        },
        "end": {
          "local": "1974-10-25T01:37:43+08:00",
          "utc": "1974-10-24T17:37:43Z",
          "ms": 151868262627.9433
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-10-24",
          "window": {
            "start": {
              "local": "1974-10-24T11:22:56+08:00",
              "utc": "1974-10-24T03:22:56Z",
              "ms": 151816975801.63864
            },
            "end": {
              "local": "1974-10-24T12:10:56+08:00",
              "utc": "1974-10-24T04:10:56Z",
              "ms": 151819855801.63864
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-10-25",
          "window": {
            "start": {
              "local": "1974-10-25T11:22:48+08:00",
              "utc": "1974-10-25T03:22:48Z",
              "ms": 151903368231.3601
            },
            "end": {
              "local": "1974-10-25T12:10:48+08:00",
              "utc": "1974-10-25T04:10:48Z",
              "ms": 151906248231.3601
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 23:07 on Wed 23 Oct to 01:38 on Fri 25 Oct.",
          "fact": "1974-10-23T15:06:58Z → 1974-10-24T17:37:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 24th, 11:23–12:11 on the 25th.",
          "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 24th and 0 of 48 on the 25th.",
          "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 35106 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Fuzhou, 1974: Thursday 24 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": "1974-10-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahānavamī 1974 falls on Thursday 24 October. Navamī runs from 23:07 on Wed 23 Oct to 01:38 on Fri 25 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26513,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "1974-10-25T01:37:43+08:00",
          "utc": "1974-10-24T17:37:43Z",
          "ms": 151868262627.9433
        },
        "end": {
          "local": "1974-10-26T04:00:49+08:00",
          "utc": "1974-10-25T20:00:49Z",
          "ms": 151963248684.22705
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-25T01:37:43+08:00",
          "utc": "1974-10-24T17:37:43Z",
          "ms": 151868262627.9433
        },
        "end": {
          "local": "1974-10-26T04:00:49+08:00",
          "utc": "1974-10-25T20:00:49Z",
          "ms": 151963248684.22705
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-10-25",
          "window": {
            "start": {
              "local": "1974-10-25T11:22:48+08:00",
              "utc": "1974-10-25T03:22:48Z",
              "ms": 151903368231.3601
            },
            "end": {
              "local": "1974-10-25T12:10:48+08:00",
              "utc": "1974-10-25T04:10:48Z",
              "ms": 151906248231.3601
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-10-26",
          "window": {
            "start": {
              "local": "1974-10-26T11:22:41+08:00",
              "utc": "1974-10-26T03:22:41Z",
              "ms": 151989761358.23895
            },
            "end": {
              "local": "1974-10-26T12:10:41+08:00",
              "utc": "1974-10-26T04:10:41Z",
              "ms": 151992641358.23895
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 01:38 on Fri 25 Oct to 04:01 on Sat 26 Oct.",
          "fact": "1974-10-24T17:37:43Z → 1974-10-25T20:00:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 25th, 11:23–12:11 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26513 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Fuzhou, 1974: Friday 25 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": "1974-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 1974 falls on Friday 25 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 01:38 on Fri 25 Oct to 04:01 on Sat 26 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-10-26",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 218,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-10-26T04:00:49+08:00",
          "utc": "1974-10-25T20:00:49Z",
          "ms": 151963248684.22705
        },
        "end": {
          "local": "1974-10-27T06:04:34+08:00",
          "utc": "1974-10-26T22:04:34Z",
          "ms": 152057073824.65204
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-26T04:00:49+08:00",
          "utc": "1974-10-25T20:00:49Z",
          "ms": 151963248684.22705
        },
        "end": {
          "local": "1974-10-27T06:04:34+08:00",
          "utc": "1974-10-26T22:04:34Z",
          "ms": 152057073824.65204
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-10-26",
          "window": {
            "start": {
              "local": "1974-10-26T06:07:36+08:00",
              "utc": "1974-10-25T22:07:36Z",
              "ms": 151970856237.996
            },
            "end": {
              "local": "1974-10-26T06:07:36+08:00",
              "utc": "1974-10-25T22:07:36Z",
              "ms": 151970856237.996
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-10-27",
          "window": {
            "start": {
              "local": "1974-10-27T06:08:12+08:00",
              "utc": "1974-10-26T22:08:12Z",
              "ms": 152057291818.29437
            },
            "end": {
              "local": "1974-10-27T06:08:12+08:00",
              "utc": "1974-10-26T22:08:12Z",
              "ms": 152057291818.29437
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:01 on Sat 26 Oct to 06:05 on Sun 27 Oct.",
          "fact": "1974-10-25T20:00:49Z → 1974-10-26T22:04:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:08 on the 26th and 06:08 on the 27th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.",
          "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 218 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 1974: Saturday 26 October.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1974-10-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 1974 falls on Saturday 26 October. Ekādaśī runs from 04:01 on Sat 26 Oct to 06:05 on Sun 27 Oct and is current at sunrise that day. It is 3 min 38 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-10-26",
      "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/1974/pradosha-vrata?on=1974-10-28",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31075,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-10-28T07:40:52+08:00",
          "utc": "1974-10-27T23:40:52Z",
          "ms": 152149252056.3058
        },
        "end": {
          "local": "1974-10-29T08:45:30+08:00",
          "utc": "1974-10-29T00:45:30Z",
          "ms": 152239530473.23083
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-10-28T07:40:52+08:00",
          "utc": "1974-10-27T23:40:52Z",
          "ms": 152149252056.3058
        },
        "end": {
          "local": "1974-10-29T08:45:30+08:00",
          "utc": "1974-10-29T00:45:30Z",
          "ms": 152239530473.23083
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-10-28",
          "window": {
            "start": {
              "local": "1974-10-28T17:24:12+08:00",
              "utc": "1974-10-28T09:24:12Z",
              "ms": 152184251690.00024
            },
            "end": {
              "local": "1974-10-28T19:06:13+08:00",
              "utc": "1974-10-28T11:06:13Z",
              "ms": 152190373370.61673
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        },
        {
          "local_date": "1974-10-29",
          "window": {
            "start": {
              "local": "1974-10-29T17:23:26+08:00",
              "utc": "1974-10-29T09:23:26Z",
              "ms": 152270605847.7174
            },
            "end": {
              "local": "1974-10-29T19:05:39+08:00",
              "utc": "1974-10-29T11:05:39Z",
              "ms": 152276738560.65927
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:41 on Mon 28 Oct to 08:46 on Tue 29 Oct.",
          "fact": "1974-10-27T23:40:52Z → 1974-10-29T00:45:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:24–19:06 on the 28th, 17:23–19:06 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 28th and 0 of 102 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31075 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Monday 28 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": "1974-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Monday 28 October. Trayodaśī runs from 07:41 on Mon 28 Oct to 08:46 on Tue 29 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-10-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/1974/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33750,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-11-03T06:52:01+08:00",
          "utc": "1974-11-02T22:52:01Z",
          "ms": 152664721248.01355
        },
        "end": {
          "local": "1974-11-04T05:24:57+08:00",
          "utc": "1974-11-03T21:24:57Z",
          "ms": 152745897417.8838
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-03T06:52:01+08:00",
          "utc": "1974-11-02T22:52:01Z",
          "ms": 152664721248.01355
        },
        "end": {
          "local": "1974-11-04T05:24:57+08:00",
          "utc": "1974-11-03T21:24:57Z",
          "ms": 152745897417.8838
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-11-02",
          "window": {
            "start": {
              "local": "1974-11-02T19:05:05+08:00",
              "utc": "1974-11-02T11:05:05Z",
              "ms": 152622305153.09332
            },
            "end": {
              "local": "1974-11-02T19:05:05+08:00",
              "utc": "1974-11-02T11:05:05Z",
              "ms": 152622305153.09332
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-11-03",
          "window": {
            "start": {
              "local": "1974-11-03T20:02:28+08:00",
              "utc": "1974-11-03T12:02:28Z",
              "ms": 152712147910.1387
            },
            "end": {
              "local": "1974-11-03T20:02:28+08:00",
              "utc": "1974-11-03T12:02:28Z",
              "ms": 152712147910.1387
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:52 on Sun 3 Nov to 05:25 on Mon 4 Nov.",
          "fact": "1974-11-02T22:52:01Z → 1974-11-03T21:24:57Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:05 on the 2nd and 20:02 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33750 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Fuzhou, 1974: Sunday 3 November.",
          "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": "1974-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 1974 falls on Sunday 3 November. Caturthī runs from 06:52 on Sun 3 Nov to 05:25 on Mon 4 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-11-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33750,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-11-03T06:52:01+08:00",
          "utc": "1974-11-02T22:52:01Z",
          "ms": 152664721248.01355
        },
        "end": {
          "local": "1974-11-04T05:24:57+08:00",
          "utc": "1974-11-03T21:24:57Z",
          "ms": 152745897417.8838
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-03T06:52:01+08:00",
          "utc": "1974-11-02T22:52:01Z",
          "ms": 152664721248.01355
        },
        "end": {
          "local": "1974-11-04T05:24:57+08:00",
          "utc": "1974-11-03T21:24:57Z",
          "ms": 152745897417.8838
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-11-02",
          "window": {
            "start": {
              "local": "1974-11-02T19:05:05+08:00",
              "utc": "1974-11-02T11:05:05Z",
              "ms": 152622305153.09332
            },
            "end": {
              "local": "1974-11-02T19:05:05+08:00",
              "utc": "1974-11-02T11:05:05Z",
              "ms": 152622305153.09332
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-11-03",
          "window": {
            "start": {
              "local": "1974-11-03T20:02:28+08:00",
              "utc": "1974-11-03T12:02:28Z",
              "ms": 152712147910.1387
            },
            "end": {
              "local": "1974-11-03T20:02:28+08:00",
              "utc": "1974-11-03T12:02:28Z",
              "ms": 152712147910.1387
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:52 on Sun 3 Nov to 05:25 on Mon 4 Nov.",
          "fact": "1974-11-02T22:52:01Z → 1974-11-03T21:24:57Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:05 on the 2nd and 20:02 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 33750 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Sunday 3 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": "1974-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Sunday 3 November. Caturthī runs from 06:52 on Sun 3 Nov to 05:25 on Mon 4 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-11-03",
      "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/1974/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-06",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2457,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-11-06T23:50:33+08:00",
          "utc": "1974-11-06T15:50:33Z",
          "ms": 152985032644.07288
        },
        "end": {
          "local": "1974-11-07T21:42:26+08:00",
          "utc": "1974-11-07T13:42:26Z",
          "ms": 153063746092.49496
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-06T23:50:33+08:00",
          "utc": "1974-11-06T15:50:33Z",
          "ms": 152985032644.07288
        },
        "end": {
          "local": "1974-11-07T21:42:26+08:00",
          "utc": "1974-11-07T13:42:26Z",
          "ms": 153063746092.49496
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-11-06",
          "window": {
            "start": {
              "local": "1974-11-06T23:09:36+08:00",
              "utc": "1974-11-06T15:09:36Z",
              "ms": 152982575878.59192
            },
            "end": {
              "local": "1974-11-06T23:09:36+08:00",
              "utc": "1974-11-06T15:09:36Z",
              "ms": 152982575878.59192
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-11-07",
          "window": {
            "start": {
              "local": "1974-11-08T00:12:19+08:00",
              "utc": "1974-11-07T16:12:19Z",
              "ms": 153072739376.39337
            },
            "end": {
              "local": "1974-11-08T00:12:19+08:00",
              "utc": "1974-11-07T16:12:19Z",
              "ms": 153072739376.39337
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 23:51 on Wed 6 Nov to 21:42 on Thu 7 Nov.",
          "fact": "1974-11-06T15:50:33Z → 1974-11-07T13:42:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:10 on the 6th and 00:12 on the 7th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 6th and is not on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 2457 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Fuzhou, 1974: Wednesday 6 November.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "1974-11-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-06",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Ahoyī Aṣṭamī 1974 falls on Wednesday 6 November. Aṣṭamī runs from 23:51 on Wed 6 Nov to 21:42 on Thu 7 Nov, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-11-10",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31846,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-11-09T17:17:25+08:00",
          "utc": "1974-11-09T09:17:25Z",
          "ms": 153220644578.4826
        },
        "end": {
          "local": "1974-11-10T15:08:02+08:00",
          "utc": "1974-11-10T07:08:02Z",
          "ms": 153299282030.25122
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-09T17:17:25+08:00",
          "utc": "1974-11-09T09:17:25Z",
          "ms": 153220644578.4826
        },
        "end": {
          "local": "1974-11-10T15:08:02+08:00",
          "utc": "1974-11-10T07:08:02Z",
          "ms": 153299282030.25122
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-11-09",
          "window": {
            "start": {
              "local": "1974-11-09T06:16:34+08:00",
              "utc": "1974-11-08T22:16:34Z",
              "ms": 153180994361.14056
            },
            "end": {
              "local": "1974-11-09T06:16:34+08:00",
              "utc": "1974-11-08T22:16:34Z",
              "ms": 153180994361.14056
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1974-11-10",
          "window": {
            "start": {
              "local": "1974-11-10T06:17:16+08:00",
              "utc": "1974-11-09T22:17:16Z",
              "ms": 153267435970.608
            },
            "end": {
              "local": "1974-11-10T06:17:16+08:00",
              "utc": "1974-11-09T22:17:16Z",
              "ms": 153267435970.608
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:17 on Sat 9 Nov to 15:08 on Sun 10 Nov.",
          "fact": "1974-11-09T09:17:25Z → 1974-11-10T07:08:02Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:17 on the 9th and 06:17 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31846 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Fuzhou, 1974: Sunday 10 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": "1974-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ramā Ekādaśī 1974 falls on Sunday 10 November. Ekādaśī runs from 17:17 on Sat 9 Nov to 15:08 on Sun 10 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-11-10",
      "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/1974/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7665,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1974-11-10T15:08:02+08:00",
          "utc": "1974-11-10T07:08:02Z",
          "ms": 153299282030.25122
        },
        "end": {
          "local": "1974-11-11T13:07:07+08:00",
          "utc": "1974-11-11T05:07:07Z",
          "ms": 153378426654.59497
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-10T15:08:02+08:00",
          "utc": "1974-11-10T07:08:02Z",
          "ms": 153299282030.25122
        },
        "end": {
          "local": "1974-11-11T13:07:07+08:00",
          "utc": "1974-11-11T05:07:07Z",
          "ms": 153378426654.59497
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-11-10",
          "window": {
            "start": {
              "local": "1974-11-10T17:15:47+08:00",
              "utc": "1974-11-10T09:15:47Z",
              "ms": 153306947176.97897
            },
            "end": {
              "local": "1974-11-10T19:00:05+08:00",
              "utc": "1974-11-10T11:00:05Z",
              "ms": 153313204613.07535
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "1974-11-11",
          "window": {
            "start": {
              "local": "1974-11-11T17:15:17+08:00",
              "utc": "1974-11-11T09:15:17Z",
              "ms": 153393317339.4611
            },
            "end": {
              "local": "1974-11-11T18:59:44+08:00",
              "utc": "1974-11-11T10:59:44Z",
              "ms": 153399584397.24814
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 15:08 on Sun 10 Nov to 13:07 on Mon 11 Nov.",
          "fact": "1974-11-10T07:08:02Z → 1974-11-11T05:07:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:00 on the 10th, 17:15–19:00 on the 11th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 10th and 0 of 104 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 7665 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Fuzhou, 1974: Sunday 10 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": "1974-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 1974 falls on Sunday 10 November. Dvādaśī runs from 15:08 on Sun 10 Nov to 13:07 on Mon 11 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14891,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-11-11T13:07:07+08:00",
          "utc": "1974-11-11T05:07:07Z",
          "ms": 153378426654.59497
        },
        "end": {
          "local": "1974-11-12T11:20:17+08:00",
          "utc": "1974-11-12T03:20:17Z",
          "ms": 153458417486.85352
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-11T13:07:07+08:00",
          "utc": "1974-11-11T05:07:07Z",
          "ms": 153378426654.59497
        },
        "end": {
          "local": "1974-11-12T11:20:17+08:00",
          "utc": "1974-11-12T03:20:17Z",
          "ms": 153458417486.85352
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-11-11",
          "window": {
            "start": {
              "local": "1974-11-11T17:15:17+08:00",
              "utc": "1974-11-11T09:15:17Z",
              "ms": 153393317339.4611
            },
            "end": {
              "local": "1974-11-11T18:59:44+08:00",
              "utc": "1974-11-11T10:59:44Z",
              "ms": 153399584397.24814
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "1974-11-12",
          "window": {
            "start": {
              "local": "1974-11-12T17:14:49+08:00",
              "utc": "1974-11-12T09:14:49Z",
              "ms": 153479688886.86978
            },
            "end": {
              "local": "1974-11-12T18:59:25+08:00",
              "utc": "1974-11-12T10:59:25Z",
              "ms": 153485965425.2245
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:07 on Mon 11 Nov to 11:20 on Tue 12 Nov.",
          "fact": "1974-11-11T05:07:07Z → 1974-11-12T03:20:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:00 on the 11th, 17:15–18:59 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 104 of 104 minutes on the 11th and 0 of 105 on the 12th.",
          "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 14891 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Fuzhou, 1974: Monday 11 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": "1974-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Dīpadāna 1974 falls on Monday 11 November. Trayodaśī runs from 13:07 on Mon 11 Nov to 11:20 on Tue 12 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pradosha-vrata?on=1974-11-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14891,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-11-11T13:07:07+08:00",
          "utc": "1974-11-11T05:07:07Z",
          "ms": 153378426654.59497
        },
        "end": {
          "local": "1974-11-12T11:20:17+08:00",
          "utc": "1974-11-12T03:20:17Z",
          "ms": 153458417486.85352
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-11T13:07:07+08:00",
          "utc": "1974-11-11T05:07:07Z",
          "ms": 153378426654.59497
        },
        "end": {
          "local": "1974-11-12T11:20:17+08:00",
          "utc": "1974-11-12T03:20:17Z",
          "ms": 153458417486.85352
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-11-11",
          "window": {
            "start": {
              "local": "1974-11-11T17:15:17+08:00",
              "utc": "1974-11-11T09:15:17Z",
              "ms": 153393317339.4611
            },
            "end": {
              "local": "1974-11-11T18:59:44+08:00",
              "utc": "1974-11-11T10:59:44Z",
              "ms": 153399584397.24814
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "1974-11-12",
          "window": {
            "start": {
              "local": "1974-11-12T17:14:49+08:00",
              "utc": "1974-11-12T09:14:49Z",
              "ms": 153479688886.86978
            },
            "end": {
              "local": "1974-11-12T18:59:25+08:00",
              "utc": "1974-11-12T10:59:25Z",
              "ms": 153485965425.2245
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:07 on Mon 11 Nov to 11:20 on Tue 12 Nov.",
          "fact": "1974-11-11T05:07:07Z → 1974-11-12T03:20:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:00 on the 11th, 17:15–18:59 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 104 of 104 minutes on the 11th and 0 of 105 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 14891 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Monday 11 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": "1974-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Monday 11 November. Trayodaśī runs from 13:07 on Mon 11 Nov to 11:20 on Tue 12 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-11-11",
      "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/1974/shivaratri?on=1974-11-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34952,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-11-12T11:20:17+08:00",
          "utc": "1974-11-12T03:20:17Z",
          "ms": 153458417486.85352
        },
        "end": {
          "local": "1974-11-13T09:53:38+08:00",
          "utc": "1974-11-13T01:53:38Z",
          "ms": 153539618229.56638
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-12T11:20:17+08:00",
          "utc": "1974-11-12T03:20:17Z",
          "ms": 153458417486.85352
        },
        "end": {
          "local": "1974-11-13T09:53:38+08:00",
          "utc": "1974-11-13T01:53:38Z",
          "ms": 153539618229.56638
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-11-11",
          "window": {
            "start": {
              "local": "1974-11-11T23:22:59+08:00",
              "utc": "1974-11-11T15:22:59Z",
              "ms": 153415378806.16248
            },
            "end": {
              "local": "1974-11-12T00:10:59+08:00",
              "utc": "1974-11-11T16:10:59Z",
              "ms": 153418258806.16248
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-11-12",
          "window": {
            "start": {
              "local": "1974-11-12T23:23:06+08:00",
              "utc": "1974-11-12T15:23:06Z",
              "ms": 153501785905.69995
            },
            "end": {
              "local": "1974-11-13T00:11:06+08:00",
              "utc": "1974-11-12T16:11:06Z",
              "ms": 153504665905.69995
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:20 on Tue 12 Nov to 09:54 on Wed 13 Nov.",
          "fact": "1974-11-12T03:20:17Z → 1974-11-13T01:53:38Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 11th, 23:23–00:11 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 34952 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Tuesday 12 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-11-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Tuesday 12 November. Caturdaśī runs from 11:20 on Tue 12 Nov to 09:54 on Wed 13 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/shivaratri?on=1974-11-12",
      "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/1974/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12855,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-11-12T11:20:17+08:00",
          "utc": "1974-11-12T03:20:17Z",
          "ms": 153458417486.85352
        },
        "end": {
          "local": "1974-11-13T09:53:38+08:00",
          "utc": "1974-11-13T01:53:38Z",
          "ms": 153539618229.56638
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-12T11:20:17+08:00",
          "utc": "1974-11-12T03:20:17Z",
          "ms": 153458417486.85352
        },
        "end": {
          "local": "1974-11-13T09:53:38+08:00",
          "utc": "1974-11-13T01:53:38Z",
          "ms": 153539618229.56638
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1974-11-12",
          "window": {
            "start": {
              "local": "1974-11-12T04:34:13+08:00",
              "utc": "1974-11-11T20:34:13Z",
              "ms": 153434053215.0768
            },
            "end": {
              "local": "1974-11-12T06:18:40+08:00",
              "utc": "1974-11-11T22:18:40Z",
              "ms": 153440320272.86386
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "1974-11-13",
          "window": {
            "start": {
              "local": "1974-11-13T04:34:46+08:00",
              "utc": "1974-11-12T20:34:46Z",
              "ms": 153520486386.17545
            },
            "end": {
              "local": "1974-11-13T06:19:23+08:00",
              "utc": "1974-11-12T22:19:23Z",
              "ms": 153526762924.53015
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:20 on Tue 12 Nov to 09:54 on Wed 13 Nov.",
          "fact": "1974-11-12T03:20:17Z → 1974-11-13T01:53:38Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:34–06:19 on the 12th, 04:35–06:19 on the 13th.",
          "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 0 of 104 minutes on the 12th and 105 of 105 on the 13th.",
          "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 12855 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Fuzhou, 1974: Wednesday 13 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": "1974-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 1974 falls on Wednesday 13 November. Caturdaśī runs from 11:20 on Tue 12 Nov to 09:54 on Wed 13 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26444,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1974-11-13T09:53:38+08:00",
          "utc": "1974-11-13T01:53:38Z",
          "ms": 153539618229.56638
        },
        "end": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-13T09:53:38+08:00",
          "utc": "1974-11-13T01:53:38Z",
          "ms": 153539618229.56638
        },
        "end": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-11-13",
          "window": {
            "start": {
              "local": "1974-11-13T17:14:22+08:00",
              "utc": "1974-11-13T09:14:22Z",
              "ms": 153566061833.4831
            },
            "end": {
              "local": "1974-11-13T18:59:08+08:00",
              "utc": "1974-11-13T10:59:08Z",
              "ms": 153572347706.27087
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "1974-11-14",
          "window": {
            "start": {
              "local": "1974-11-14T17:13:56+08:00",
              "utc": "1974-11-14T09:13:56Z",
              "ms": 153652436192.49164
            },
            "end": {
              "local": "1974-11-14T18:58:51+08:00",
              "utc": "1974-11-14T10:58:51Z",
              "ms": 153658731248.52176
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 09:54 on Wed 13 Nov to 08:53 on Thu 14 Nov.",
          "fact": "1974-11-13T01:53:38Z → 1974-11-14T00:53:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:59 on the 13th, 17:14–18:59 on the 14th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 105 of 105 minutes on the 13th and 0 of 105 on the 14th.",
          "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 26444 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Fuzhou, 1974: Wednesday 13 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": "1974-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 1974 falls on Wednesday 13 November. Amāvasyā runs from 09:54 on Wed 13 Nov to 08:53 on Thu 14 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31319,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1974-11-13T09:53:38+08:00",
          "utc": "1974-11-13T01:53:38Z",
          "ms": 153539618229.56638
        },
        "end": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-13T09:53:38+08:00",
          "utc": "1974-11-13T01:53:38Z",
          "ms": 153539618229.56638
        },
        "end": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-11-12",
          "window": {
            "start": {
              "local": "1974-11-12T23:23:06+08:00",
              "utc": "1974-11-12T15:23:06Z",
              "ms": 153501785905.69995
            },
            "end": {
              "local": "1974-11-13T00:11:06+08:00",
              "utc": "1974-11-12T16:11:06Z",
              "ms": 153504665905.69995
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-11-13",
          "window": {
            "start": {
              "local": "1974-11-13T23:23:14+08:00",
              "utc": "1974-11-13T15:23:14Z",
              "ms": 153588193856.43732
            },
            "end": {
              "local": "1974-11-14T00:11:14+08:00",
              "utc": "1974-11-13T16:11:14Z",
              "ms": 153591073856.43732
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 09:54 on Wed 13 Nov to 08:53 on Thu 14 Nov.",
          "fact": "1974-11-13T01:53:38Z → 1974-11-14T00:53:13Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 12th, 23:23–00:11 on the 13th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31319 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Fuzhou, 1974: Wednesday 13 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1974-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kālī Pūjā 1974 falls on Wednesday 13 November. Amāvasyā runs from 09:54 on Wed 13 Nov to 08:53 on Thu 14 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8988,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        },
        "end": {
          "local": "1974-11-15T08:24:31+08:00",
          "utc": "1974-11-15T00:24:31Z",
          "ms": 153707070819.2736
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        },
        "end": {
          "local": "1974-11-15T08:24:31+08:00",
          "utc": "1974-11-15T00:24:31Z",
          "ms": 153707070819.2736
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-11-14",
          "window": {
            "start": {
              "local": "1974-11-14T11:23:01+08:00",
              "utc": "1974-11-14T03:23:01Z",
              "ms": 153631381035.9416
            },
            "end": {
              "local": "1974-11-14T12:11:01+08:00",
              "utc": "1974-11-14T04:11:01Z",
              "ms": 153634261035.9416
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-11-15",
          "window": {
            "start": {
              "local": "1974-11-15T11:23:11+08:00",
              "utc": "1974-11-15T03:23:11Z",
              "ms": 153717790544.52866
            },
            "end": {
              "local": "1974-11-15T12:11:11+08:00",
              "utc": "1974-11-15T04:11:11Z",
              "ms": 153720670544.52866
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 08:53 on Thu 14 Nov to 08:25 on Fri 15 Nov.",
          "fact": "1974-11-14T00:53:13Z → 1974-11-15T00:24:31Z"
        },
        {
          "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": "Pratipadā 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: purvaviddha → only-day · margin 8988 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Fuzhou, 1974: Thursday 14 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": "1974-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govardhana Pūjā 1974 falls on Thursday 14 November. Pratipadā runs from 08:53 on Thu 14 Nov to 08:25 on Fri 15 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30044,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        },
        "end": {
          "local": "1974-11-15T08:24:31+08:00",
          "utc": "1974-11-15T00:24:31Z",
          "ms": 153707070819.2736
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        },
        "end": {
          "local": "1974-11-15T08:24:31+08:00",
          "utc": "1974-11-15T00:24:31Z",
          "ms": 153707070819.2736
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-11-14",
          "window": {
            "start": {
              "local": "1974-11-14T17:13:56+08:00",
              "utc": "1974-11-14T09:13:56Z",
              "ms": 153652436192.49164
            },
            "end": {
              "local": "1974-11-14T18:58:51+08:00",
              "utc": "1974-11-14T10:58:51Z",
              "ms": 153658731248.52176
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "1974-11-15",
          "window": {
            "start": {
              "local": "1974-11-15T17:13:32+08:00",
              "utc": "1974-11-15T09:13:32Z",
              "ms": 153738811976.33984
            },
            "end": {
              "local": "1974-11-15T18:58:36+08:00",
              "utc": "1974-11-15T10:58:36Z",
              "ms": 153745116059.32068
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 08:53 on Thu 14 Nov to 08:25 on Fri 15 Nov.",
          "fact": "1974-11-14T00:53:13Z → 1974-11-15T00:24:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:59 on the 14th, 17:14–18:59 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 105 of 105 minutes on the 14th and 0 of 105 on the 15th.",
          "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 30044 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Fuzhou, 1974: Thursday 14 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": "1974-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bali Pūjā 1974 falls on Thursday 14 November. Pratipadā runs from 08:53 on Thu 14 Nov to 08:25 on Fri 15 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10295,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1974-11-15T08:24:31+08:00",
          "utc": "1974-11-15T00:24:31Z",
          "ms": 153707070819.2736
        },
        "end": {
          "local": "1974-11-16T08:31:46+08:00",
          "utc": "1974-11-16T00:31:46Z",
          "ms": 153793905848.04807
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-15T08:24:31+08:00",
          "utc": "1974-11-15T00:24:31Z",
          "ms": 153707070819.2736
        },
        "end": {
          "local": "1974-11-16T08:31:46+08:00",
          "utc": "1974-11-16T00:31:46Z",
          "ms": 153793905848.04807
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-11-15",
          "window": {
            "start": {
              "local": "1974-11-15T11:23:11+08:00",
              "utc": "1974-11-15T03:23:11Z",
              "ms": 153717790544.52866
            },
            "end": {
              "local": "1974-11-15T12:11:11+08:00",
              "utc": "1974-11-15T04:11:11Z",
              "ms": 153720670544.52866
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-11-16",
          "window": {
            "start": {
              "local": "1974-11-16T11:23:21+08:00",
              "utc": "1974-11-16T03:23:21Z",
              "ms": 153804200897.84033
            },
            "end": {
              "local": "1974-11-16T12:11:21+08:00",
              "utc": "1974-11-16T04:11:21Z",
              "ms": 153807080897.84033
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 08:25 on Fri 15 Nov to 08:32 on Sat 16 Nov.",
          "fact": "1974-11-15T00:24:31Z → 1974-11-16T00:31:46Z"
        },
        {
          "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": "Dvitīyā 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 10295 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Fuzhou, 1974: Friday 15 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": "1974-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 1974 falls on Friday 15 November. Dvitīyā runs from 08:25 on Fri 15 Nov to 08:32 on Sat 16 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-15",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 3890,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        },
        "end": {
          "local": "1974-11-15T08:24:31+08:00",
          "utc": "1974-11-15T00:24:31Z",
          "ms": 153707070819.2736
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-14T08:53:13+08:00",
          "utc": "1974-11-14T00:53:13Z",
          "ms": 153622392653.23062
        },
        "end": {
          "local": "1974-11-15T08:24:31+08:00",
          "utc": "1974-11-15T00:24:31Z",
          "ms": 153707070819.2736
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1974-11-14",
          "window": {
            "start": {
              "local": "1974-11-14T06:20:06+08:00",
              "utc": "1974-11-13T22:20:06Z",
              "ms": 153613205879.3915
            },
            "end": {
              "local": "1974-11-14T09:58:03+08:00",
              "utc": "1974-11-14T01:58:03Z",
              "ms": 153626282650.4249
            }
          },
          "covered_min": 65,
          "window_min": 218,
          "qualifies": true
        },
        {
          "local_date": "1974-11-15",
          "window": {
            "start": {
              "local": "1974-11-15T06:20:49+08:00",
              "utc": "1974-11-14T22:20:49Z",
              "ms": 153699649112.71747
            },
            "end": {
              "local": "1974-11-15T09:58:23+08:00",
              "utc": "1974-11-15T01:58:23Z",
              "ms": 153712703400.59158
            }
          },
          "covered_min": 124,
          "window_min": 218,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 08:53 on Thu 14 Nov to 08:25 on Fri 15 Nov.",
          "fact": "1974-11-14T00:53:13Z → 1974-11-15T00:24:31Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:20–09:58 on the 14th, 06:21–09:58 on the 15th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 65 of 218 minutes on the 14th and 124 of 218 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 3890 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Fuzhou, 1974: Friday 15 November.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "1974-11-15",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-15",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Dyūta Pratipad 1974 falls on Friday 15 November. Pratipadā runs from 08:53 on Thu 14 Nov to 08:25 on Fri 15 Nov and covers 124 of 218 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 65 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/1974/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/1974/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2658,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-11-17T09:17:03+08:00",
          "utc": "1974-11-17T01:17:03Z",
          "ms": 153883022916.093
        },
        "end": {
          "local": "1974-11-18T10:39:27+08:00",
          "utc": "1974-11-18T02:39:27Z",
          "ms": 153974366560.64456
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-17T09:17:03+08:00",
          "utc": "1974-11-17T01:17:03Z",
          "ms": 153883022916.093
        },
        "end": {
          "local": "1974-11-18T10:39:27+08:00",
          "utc": "1974-11-18T02:39:27Z",
          "ms": 153974366560.64456
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-11-17",
          "window": {
            "start": {
              "local": "1974-11-17T11:23:32+08:00",
              "utc": "1974-11-17T03:23:32Z",
              "ms": 153890612088.38455
            },
            "end": {
              "local": "1974-11-17T12:11:32+08:00",
              "utc": "1974-11-17T04:11:32Z",
              "ms": 153893492088.38455
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-11-18",
          "window": {
            "start": {
              "local": "1974-11-18T11:23:44+08:00",
              "utc": "1974-11-18T03:23:44Z",
              "ms": 153977024108.22522
            },
            "end": {
              "local": "1974-11-18T12:11:44+08:00",
              "utc": "1974-11-18T04:11:44Z",
              "ms": 153979904108.22522
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:17 on Sun 17 Nov to 10:39 on Mon 18 Nov.",
          "fact": "1974-11-17T01:17:03Z → 1974-11-18T02:39:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 17th, 11:24–12:12 on the 18th.",
          "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 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 2658 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Fuzhou, 1974: Sunday 17 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": "1974-11-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-17",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Nāga Caturthī 1974 falls on Sunday 17 November. Caturthī runs from 09:17 on Sun 17 Nov to 10:39 on Mon 18 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/vinayaka-chaturthi?on=1974-11-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2658,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-11-17T09:17:03+08:00",
          "utc": "1974-11-17T01:17:03Z",
          "ms": 153883022916.093
        },
        "end": {
          "local": "1974-11-18T10:39:27+08:00",
          "utc": "1974-11-18T02:39:27Z",
          "ms": 153974366560.64456
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-17T09:17:03+08:00",
          "utc": "1974-11-17T01:17:03Z",
          "ms": 153883022916.093
        },
        "end": {
          "local": "1974-11-18T10:39:27+08:00",
          "utc": "1974-11-18T02:39:27Z",
          "ms": 153974366560.64456
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-11-17",
          "window": {
            "start": {
              "local": "1974-11-17T11:23:32+08:00",
              "utc": "1974-11-17T03:23:32Z",
              "ms": 153890612088.38455
            },
            "end": {
              "local": "1974-11-17T12:11:32+08:00",
              "utc": "1974-11-17T04:11:32Z",
              "ms": 153893492088.38455
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-11-18",
          "window": {
            "start": {
              "local": "1974-11-18T11:23:44+08:00",
              "utc": "1974-11-18T03:23:44Z",
              "ms": 153977024108.22522
            },
            "end": {
              "local": "1974-11-18T12:11:44+08:00",
              "utc": "1974-11-18T04:11:44Z",
              "ms": 153979904108.22522
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:17 on Sun 17 Nov to 10:39 on Mon 18 Nov.",
          "fact": "1974-11-17T01:17:03Z → 1974-11-18T02:39:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 17th, 11:24–12:12 on the 18th.",
          "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 17th and 0 of 48 on the 18th.",
          "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 2658 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Sunday 17 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": "1974-11-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-17",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Sunday 17 November. Caturthī runs from 09:17 on Sun 17 Nov to 10:39 on Mon 18 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-11-17",
      "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/1974/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1342,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1974-11-19T12:34:19+08:00",
          "utc": "1974-11-19T04:34:19Z",
          "ms": 154067658825.74985
        },
        "end": {
          "local": "1974-11-20T14:53:06+08:00",
          "utc": "1974-11-20T06:53:06Z",
          "ms": 154162386408.49826
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-19T12:34:19+08:00",
          "utc": "1974-11-19T04:34:19Z",
          "ms": 154067658825.74985
        },
        "end": {
          "local": "1974-11-20T14:53:06+08:00",
          "utc": "1974-11-20T06:53:06Z",
          "ms": 154162386408.49826
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-11-19",
          "window": {
            "start": {
              "local": "1974-11-19T11:23:57+08:00",
              "utc": "1974-11-19T03:23:57Z",
              "ms": 154063436949.0127
            },
            "end": {
              "local": "1974-11-19T12:11:57+08:00",
              "utc": "1974-11-19T04:11:57Z",
              "ms": 154066316949.0127
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-11-20",
          "window": {
            "start": {
              "local": "1974-11-20T11:24:11+08:00",
              "utc": "1974-11-20T03:24:11Z",
              "ms": 154149850601.95334
            },
            "end": {
              "local": "1974-11-20T12:12:11+08:00",
              "utc": "1974-11-20T04:12:11Z",
              "ms": 154152730601.95334
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:34 on Tue 19 Nov to 14:53 on Wed 20 Nov.",
          "fact": "1974-11-19T04:34:19Z → 1974-11-20T06:53:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 19th, 11:24–12:12 on the 20th.",
          "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 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1342 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Fuzhou, 1974: Wednesday 20 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": "1974-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-20",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 1974 falls on Wednesday 20 November. Ṣaṣṭhī runs from 12:34 on Tue 19 Nov to 14:53 on Wed 20 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18689,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1974-11-21T17:23:54+08:00",
          "utc": "1974-11-21T09:23:54Z",
          "ms": 154257834092.28012
        },
        "end": {
          "local": "1974-11-22T19:52:49+08:00",
          "utc": "1974-11-22T11:52:49Z",
          "ms": 154353169415.1502
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-21T17:23:54+08:00",
          "utc": "1974-11-21T09:23:54Z",
          "ms": 154257834092.28012
        },
        "end": {
          "local": "1974-11-22T19:52:49+08:00",
          "utc": "1974-11-22T11:52:49Z",
          "ms": 154353169415.1502
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-11-21",
          "window": {
            "start": {
              "local": "1974-11-21T11:24:25+08:00",
              "utc": "1974-11-21T03:24:25Z",
              "ms": 154236265057.75177
            },
            "end": {
              "local": "1974-11-21T12:12:25+08:00",
              "utc": "1974-11-21T04:12:25Z",
              "ms": 154239145057.75177
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-11-22",
          "window": {
            "start": {
              "local": "1974-11-22T11:24:40+08:00",
              "utc": "1974-11-22T03:24:40Z",
              "ms": 154322680306.557
            },
            "end": {
              "local": "1974-11-22T12:12:40+08:00",
              "utc": "1974-11-22T04:12:40Z",
              "ms": 154325560306.557
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 17:24 on Thu 21 Nov to 19:53 on Fri 22 Nov.",
          "fact": "1974-11-21T09:23:54Z → 1974-11-22T11:52:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 21st, 11:25–12:13 on the 22nd.",
          "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 21st and 48 of 48 on the 22nd.",
          "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 18689 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Fuzhou, 1974: Friday 22 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": "1974-11-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gopāṣṭamī 1974 falls on Friday 22 November. Aṣṭamī runs from 17:24 on Thu 21 Nov to 19:53 on Fri 22 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30084,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1974-11-22T19:52:49+08:00",
          "utc": "1974-11-22T11:52:49Z",
          "ms": 154353169415.1502
        },
        "end": {
          "local": "1974-11-23T22:06:02+08:00",
          "utc": "1974-11-23T14:06:02Z",
          "ms": 154447562194.17886
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-22T19:52:49+08:00",
          "utc": "1974-11-22T11:52:49Z",
          "ms": 154353169415.1502
        },
        "end": {
          "local": "1974-11-23T22:06:02+08:00",
          "utc": "1974-11-23T14:06:02Z",
          "ms": 154447562194.17886
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1974-11-23",
          "window": {
            "start": {
              "local": "1974-11-23T06:26:42+08:00",
              "utc": "1974-11-22T22:26:42Z",
              "ms": 154391201777.645
            },
            "end": {
              "local": "1974-11-23T10:01:31+08:00",
              "utc": "1974-11-23T02:01:31Z",
              "ms": 154404091484.50143
            }
          },
          "covered_min": 215,
          "window_min": 215,
          "qualifies": true
        },
        {
          "local_date": "1974-11-24",
          "window": {
            "start": {
              "local": "1974-11-24T06:27:26+08:00",
              "utc": "1974-11-23T22:27:26Z",
              "ms": 154477646286.29495
            },
            "end": {
              "local": "1974-11-24T10:01:58+08:00",
              "utc": "1974-11-24T02:01:58Z",
              "ms": 154490517522.6629
            }
          },
          "covered_min": 0,
          "window_min": 215,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 19:53 on Fri 22 Nov to 22:06 on Sat 23 Nov.",
          "fact": "1974-11-22T11:52:49Z → 1974-11-23T14:06:02Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:27–10:02 on the 23rd, 06:27–10:02 on the 24th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 215 of 215 minutes on the 23rd and 0 of 215 on the 24th.",
          "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 30084 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Fuzhou, 1974: Saturday 23 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": "1974-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 1974 falls on Saturday 23 November. Navamī runs from 19:53 on Fri 22 Nov to 22:06 on Sat 23 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27609,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1974-11-22T19:52:49+08:00",
          "utc": "1974-11-22T11:52:49Z",
          "ms": 154353169415.1502
        },
        "end": {
          "local": "1974-11-23T22:06:02+08:00",
          "utc": "1974-11-23T14:06:02Z",
          "ms": 154447562194.17886
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-22T19:52:49+08:00",
          "utc": "1974-11-22T11:52:49Z",
          "ms": 154353169415.1502
        },
        "end": {
          "local": "1974-11-23T22:06:02+08:00",
          "utc": "1974-11-23T14:06:02Z",
          "ms": 154447562194.17886
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-11-22",
          "window": {
            "start": {
              "local": "1974-11-22T11:24:40+08:00",
              "utc": "1974-11-22T03:24:40Z",
              "ms": 154322680306.557
            },
            "end": {
              "local": "1974-11-22T12:12:40+08:00",
              "utc": "1974-11-22T04:12:40Z",
              "ms": 154325560306.557
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-11-23",
          "window": {
            "start": {
              "local": "1974-11-23T11:24:56+08:00",
              "utc": "1974-11-23T03:24:56Z",
              "ms": 154409096337.9297
            },
            "end": {
              "local": "1974-11-23T12:12:56+08:00",
              "utc": "1974-11-23T04:12:56Z",
              "ms": 154411976337.9297
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 19:53 on Fri 22 Nov to 22:06 on Sat 23 Nov.",
          "fact": "1974-11-22T11:52:49Z → 1974-11-23T14:06:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 22nd, 11:25–12:13 on the 23rd.",
          "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 22nd and 48 of 48 on the 23rd.",
          "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 27609 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Fuzhou, 1974: Saturday 23 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": "1974-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Navamī 1974 falls on Saturday 23 November. Navamī runs from 19:53 on Fri 22 Nov to 22:06 on Sat 23 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/ekadashi?on=1974-11-25",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19637,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-11-24T23:51:45+08:00",
          "utc": "1974-11-24T15:51:45Z",
          "ms": 154540304744.05307
        },
        "end": {
          "local": "1974-11-26T01:01:38+08:00",
          "utc": "1974-11-25T17:01:38Z",
          "ms": 154630897878.13196
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-24T23:51:45+08:00",
          "utc": "1974-11-24T15:51:45Z",
          "ms": 154540304744.05307
        },
        "end": {
          "local": "1974-11-26T01:01:38+08:00",
          "utc": "1974-11-25T17:01:38Z",
          "ms": 154630897878.13196
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-11-25",
          "window": {
            "start": {
              "local": "1974-11-25T06:28:11+08:00",
              "utc": "1974-11-24T22:28:11Z",
              "ms": 154564090791.0577
            },
            "end": {
              "local": "1974-11-25T06:28:11+08:00",
              "utc": "1974-11-24T22:28:11Z",
              "ms": 154564090791.0577
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-11-26",
          "window": {
            "start": {
              "local": "1974-11-26T06:28:55+08:00",
              "utc": "1974-11-25T22:28:55Z",
              "ms": 154650535261.35678
            },
            "end": {
              "local": "1974-11-26T06:28:55+08:00",
              "utc": "1974-11-25T22:28:55Z",
              "ms": 154650535261.35678
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:52 on Sun 24 Nov to 01:02 on Tue 26 Nov.",
          "fact": "1974-11-24T15:51:45Z → 1974-11-25T17:01:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:28 on the 25th and 06:29 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 19637 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Fuzhou, 1974: Monday 25 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": "1974-11-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Prabodhinī Ekādaśī 1974 falls on Monday 25 November. Ekādaśī runs from 23:52 on Sun 24 Nov to 01:02 on Tue 26 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-11-25",
      "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/1974/pradosha-vrata?on=1974-11-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23003,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-11-27T01:31:25+08:00",
          "utc": "1974-11-26T17:31:25Z",
          "ms": 154719084902.61728
        },
        "end": {
          "local": "1974-11-28T01:20:38+08:00",
          "utc": "1974-11-27T17:20:38Z",
          "ms": 154804837936.353
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-27T01:31:25+08:00",
          "utc": "1974-11-26T17:31:25Z",
          "ms": 154719084902.61728
        },
        "end": {
          "local": "1974-11-28T01:20:38+08:00",
          "utc": "1974-11-27T17:20:38Z",
          "ms": 154804837936.353
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-11-26",
          "window": {
            "start": {
              "local": "1974-11-26T17:10:43+08:00",
              "utc": "1974-11-26T09:10:43Z",
              "ms": 154689042767.73904
            },
            "end": {
              "local": "1974-11-26T18:57:14+08:00",
              "utc": "1974-11-26T10:57:14Z",
              "ms": 154695434354.23288
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        },
        {
          "local_date": "1974-11-27",
          "window": {
            "start": {
              "local": "1974-11-27T17:10:36+08:00",
              "utc": "1974-11-27T09:10:36Z",
              "ms": 154775436455.16974
            },
            "end": {
              "local": "1974-11-27T18:57:15+08:00",
              "utc": "1974-11-27T10:57:15Z",
              "ms": 154781834791.2092
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:31 on Wed 27 Nov to 01:21 on Thu 28 Nov.",
          "fact": "1974-11-26T17:31:25Z → 1974-11-27T17:20:38Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 26th, 17:11–18:57 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 107 minutes on the 26th and 107 of 107 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 23003 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Wednesday 27 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": "1974-11-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Wednesday 27 November. Trayodaśī runs from 01:31 on Wed 27 Nov to 01:21 on Thu 28 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-11-27",
      "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/1974/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39294,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-11-29T00:31:54+08:00",
          "utc": "1974-11-28T16:31:54Z",
          "ms": 154888314471.31982
        },
        "end": {
          "local": "1974-11-29T23:10:04+08:00",
          "utc": "1974-11-29T15:10:04Z",
          "ms": 154969803506.6771
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-29T00:31:54+08:00",
          "utc": "1974-11-28T16:31:54Z",
          "ms": 154888314471.31982
        },
        "end": {
          "local": "1974-11-29T23:10:04+08:00",
          "utc": "1974-11-29T15:10:04Z",
          "ms": 154969803506.6771
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-11-29",
          "window": {
            "start": {
              "local": "1974-11-29T11:26:48+08:00",
              "utc": "1974-11-29T03:26:48Z",
              "ms": 154927608307.92133
            },
            "end": {
              "local": "1974-11-29T12:14:48+08:00",
              "utc": "1974-11-29T04:14:48Z",
              "ms": 154930488307.92133
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-11-30",
          "window": {
            "start": {
              "local": "1974-11-30T11:27:09+08:00",
              "utc": "1974-11-30T03:27:09Z",
              "ms": 155014029481.86243
            },
            "end": {
              "local": "1974-11-30T12:15:09+08:00",
              "utc": "1974-11-30T04:15:09Z",
              "ms": 155016909481.86243
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:32 on Fri 29 Nov to 23:10 on Fri 29 Nov.",
          "fact": "1974-11-28T16:31:54Z → 1974-11-29T15:10:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 29th, 11:27–12:15 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 39294 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Fuzhou, 1974: Friday 29 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": "1974-11-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kārtikī Pūrṇimā 1974 falls on Friday 29 November. Pūrṇimā runs from 00:32 on Fri 29 Nov to 23:10 on Fri 29 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-11-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1025,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-11-29T00:31:54+08:00",
          "utc": "1974-11-28T16:31:54Z",
          "ms": 154888314471.31982
        },
        "end": {
          "local": "1974-11-29T23:10:04+08:00",
          "utc": "1974-11-29T15:10:04Z",
          "ms": 154969803506.6771
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-11-29T00:31:54+08:00",
          "utc": "1974-11-28T16:31:54Z",
          "ms": 154888314471.31982
        },
        "end": {
          "local": "1974-11-29T23:10:04+08:00",
          "utc": "1974-11-29T15:10:04Z",
          "ms": 154969803506.6771
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-11-28",
          "window": {
            "start": {
              "local": "1974-11-28T23:26:50+08:00",
              "utc": "1974-11-28T15:26:50Z",
              "ms": 154884409920.67096
            },
            "end": {
              "local": "1974-11-29T00:14:50+08:00",
              "utc": "1974-11-28T16:14:50Z",
              "ms": 154887289920.67096
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-11-29",
          "window": {
            "start": {
              "local": "1974-11-29T23:27:10+08:00",
              "utc": "1974-11-29T15:27:10Z",
              "ms": 154970830319.81042
            },
            "end": {
              "local": "1974-11-30T00:15:10+08:00",
              "utc": "1974-11-29T16:15:10Z",
              "ms": 154973710319.81042
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:32 on Fri 29 Nov to 23:10 on Fri 29 Nov.",
          "fact": "1974-11-28T16:31:54Z → 1974-11-29T15:10:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 28th, 23:27–00:15 on the 29th.",
          "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 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither night qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 1025 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Fuzhou, 1974: Friday 29 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": "1974-11-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-11-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāsayātrā 1974 falls on Friday 29 November. Pūrṇimā runs from 00:32 on Fri 29 Nov to 23:10 on Fri 29 Nov, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/sankashta-chaturthi?on=1974-12-02",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11220,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-12-02T16:50:03+08:00",
          "utc": "1974-12-02T08:50:03Z",
          "ms": 155206203222.47913
        },
        "end": {
          "local": "1974-12-03T14:21:15+08:00",
          "utc": "1974-12-03T06:21:15Z",
          "ms": 155283675027.0372
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-02T16:50:03+08:00",
          "utc": "1974-12-02T08:50:03Z",
          "ms": 155206203222.47913
        },
        "end": {
          "local": "1974-12-03T14:21:15+08:00",
          "utc": "1974-12-03T06:21:15Z",
          "ms": 155283675027.0372
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1974-12-02",
          "window": {
            "start": {
              "local": "1974-12-02T19:57:04+08:00",
              "utc": "1974-12-02T11:57:04Z",
              "ms": 155217423654.5549
            },
            "end": {
              "local": "1974-12-02T19:57:04+08:00",
              "utc": "1974-12-02T11:57:04Z",
              "ms": 155217423654.5549
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-12-03",
          "window": {
            "start": {
              "local": "1974-12-03T21:01:59+08:00",
              "utc": "1974-12-03T13:01:59Z",
              "ms": 155307718699.77155
            },
            "end": {
              "local": "1974-12-03T21:01:59+08:00",
              "utc": "1974-12-03T13:01:59Z",
              "ms": 155307718699.77155
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:50 on Mon 2 Dec to 14:21 on Tue 3 Dec.",
          "fact": "1974-12-02T08:50:03Z → 1974-12-03T06:21:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:57 on the 2nd and 21:02 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 11220 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1974: Monday 2 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": "1974-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1974 falls on Monday 2 December. Caturthī runs from 16:50 on Mon 2 Dec to 14:21 on Tue 3 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/sankashta-chaturthi?on=1974-12-02",
      "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/1974/ekadashi?on=1974-12-09",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16802,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-12-09T01:58:14+08:00",
          "utc": "1974-12-08T17:58:14Z",
          "ms": 155757493843.7197
        },
        "end": {
          "local": "1974-12-10T00:51:35+08:00",
          "utc": "1974-12-09T16:51:35Z",
          "ms": 155839894877.56104
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-09T01:58:14+08:00",
          "utc": "1974-12-08T17:58:14Z",
          "ms": 155757493843.7197
        },
        "end": {
          "local": "1974-12-10T00:51:35+08:00",
          "utc": "1974-12-09T16:51:35Z",
          "ms": 155839894877.56104
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-12-09",
          "window": {
            "start": {
              "local": "1974-12-09T06:38:16+08:00",
              "utc": "1974-12-08T22:38:16Z",
              "ms": 155774295682.26096
            },
            "end": {
              "local": "1974-12-09T06:38:16+08:00",
              "utc": "1974-12-08T22:38:16Z",
              "ms": 155774295682.26096
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-12-10",
          "window": {
            "start": {
              "local": "1974-12-10T06:38:56+08:00",
              "utc": "1974-12-09T22:38:56Z",
              "ms": 155860736187.4064
            },
            "end": {
              "local": "1974-12-10T06:38:56+08:00",
              "utc": "1974-12-09T22:38:56Z",
              "ms": 155860736187.4064
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:58 on Mon 9 Dec to 00:52 on Tue 10 Dec.",
          "fact": "1974-12-08T17:58:14Z → 1974-12-09T16:51:35Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:38 on the 9th and 06:39 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 16802 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Fuzhou, 1974: Monday 9 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": "1974-12-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Utpannā Ekādaśī 1974 falls on Monday 9 December. Ekādaśī runs from 01:58 on Mon 9 Dec to 00:52 on Tue 10 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-12-09",
      "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/1974/pradosha-vrata?on=1974-12-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17228,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-12-11T00:07:10+08:00",
          "utc": "1974-12-10T16:07:10Z",
          "ms": 155923630208.62518
        },
        "end": {
          "local": "1974-12-11T23:46:45+08:00",
          "utc": "1974-12-11T15:46:45Z",
          "ms": 156008805272.85178
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-11T00:07:10+08:00",
          "utc": "1974-12-10T16:07:10Z",
          "ms": 155923630208.62518
        },
        "end": {
          "local": "1974-12-11T23:46:45+08:00",
          "utc": "1974-12-11T15:46:45Z",
          "ms": 156008805272.85178
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-12-10",
          "window": {
            "start": {
              "local": "1974-12-10T17:11:35+08:00",
              "utc": "1974-12-10T09:11:35Z",
              "ms": 155898695037.7523
            },
            "end": {
              "local": "1974-12-10T18:59:19+08:00",
              "utc": "1974-12-10T10:59:19Z",
              "ms": 155905159181.78186
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "1974-12-11",
          "window": {
            "start": {
              "local": "1974-12-11T17:11:50+08:00",
              "utc": "1974-12-11T09:11:50Z",
              "ms": 155985110175.6073
            },
            "end": {
              "local": "1974-12-11T18:59:38+08:00",
              "utc": "1974-12-11T10:59:38Z",
              "ms": 155991577542.7458
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:07 on Wed 11 Dec to 23:47 on Wed 11 Dec.",
          "fact": "1974-12-10T16:07:10Z → 1974-12-11T15:46:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–18:59 on the 10th, 17:12–19:00 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 108 minutes on the 10th and 108 of 108 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17228 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1974: Wednesday 11 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": "1974-12-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1974 falls on Wednesday 11 December. Trayodaśī runs from 00:07 on Wed 11 Dec to 23:47 on Wed 11 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-12-11",
      "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/1974/shivaratri?on=1974-12-11",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-11",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 882,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1974-12-11T23:46:45+08:00",
          "utc": "1974-12-11T15:46:45Z",
          "ms": 156008805272.85178
        },
        "end": {
          "local": "1974-12-12T23:52:05+08:00",
          "utc": "1974-12-12T15:52:05Z",
          "ms": 156095525172.20856
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-11T23:46:45+08:00",
          "utc": "1974-12-11T15:46:45Z",
          "ms": 156008805272.85178
        },
        "end": {
          "local": "1974-12-12T23:52:05+08:00",
          "utc": "1974-12-12T15:52:05Z",
          "ms": 156095525172.20856
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1974-12-11",
          "window": {
            "start": {
              "local": "1974-12-11T23:32:03+08:00",
              "utc": "1974-12-11T15:32:03Z",
              "ms": 156007922802.37662
            },
            "end": {
              "local": "1974-12-12T00:20:03+08:00",
              "utc": "1974-12-11T16:20:03Z",
              "ms": 156010802802.37662
            }
          },
          "covered_min": 33,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-12-12",
          "window": {
            "start": {
              "local": "1974-12-12T23:32:30+08:00",
              "utc": "1974-12-12T15:32:30Z",
              "ms": 156094350415.57397
            },
            "end": {
              "local": "1974-12-13T00:20:30+08:00",
              "utc": "1974-12-12T16:20:30Z",
              "ms": 156097230415.57397
            }
          },
          "covered_min": 20,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:47 on Wed 11 Dec to 23:52 on Thu 12 Dec.",
          "fact": "1974-12-11T15:46:45Z → 1974-12-12T15:52:05Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:32–00:20 on the 11th, 23:33–00:21 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 33 of 48 minutes on the 11th and 20 of 48 on the 12th.",
          "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 882 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 1974: Wednesday 11 December.",
          "fact": "confidence: boundary (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": "1974-12-11",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 1974 falls on Wednesday 11 December. Caturdaśī runs from 23:47 on Wed 11 Dec to 23:52 on Thu 12 Dec and covers 33 of 48 minutes of niśītha that night. It also reaches the next night for 20 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/1974/shivaratri?on=1974-12-11",
      "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/1974/vinayaka-chaturthi?on=1974-12-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16057,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1974-12-17T04:50:26+08:00",
          "utc": "1974-12-16T20:50:26Z",
          "ms": 156459025649.65833
        },
        "end": {
          "local": "1974-12-18T07:07:28+08:00",
          "utc": "1974-12-17T23:07:28Z",
          "ms": 156553648363.55222
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-17T04:50:26+08:00",
          "utc": "1974-12-16T20:50:26Z",
          "ms": 156459025649.65833
        },
        "end": {
          "local": "1974-12-18T07:07:28+08:00",
          "utc": "1974-12-17T23:07:28Z",
          "ms": 156553648363.55222
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-12-17",
          "window": {
            "start": {
              "local": "1974-12-17T11:34:36+08:00",
              "utc": "1974-12-17T03:34:36Z",
              "ms": 156483275743.77808
            },
            "end": {
              "local": "1974-12-17T12:22:36+08:00",
              "utc": "1974-12-17T04:22:36Z",
              "ms": 156486155743.77808
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-12-18",
          "window": {
            "start": {
              "local": "1974-12-18T11:35:05+08:00",
              "utc": "1974-12-18T03:35:05Z",
              "ms": 156569705405.0687
            },
            "end": {
              "local": "1974-12-18T12:23:05+08:00",
              "utc": "1974-12-18T04:23:05Z",
              "ms": 156572585405.0687
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:50 on Tue 17 Dec to 07:07 on Wed 18 Dec.",
          "fact": "1974-12-16T20:50:26Z → 1974-12-17T23:07:28Z"
        },
        {
          "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": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16057 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 1974: Tuesday 17 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": "1974-12-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 1974 falls on Tuesday 17 December. Caturthī runs from 04:50 on Tue 17 Dec to 07:07 on Wed 18 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/vinayaka-chaturthi?on=1974-12-17",
      "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/1974/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7026,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1974-12-18T07:07:28+08:00",
          "utc": "1974-12-17T23:07:28Z",
          "ms": 156553648363.55222
        },
        "end": {
          "local": "1974-12-19T09:38:29+08:00",
          "utc": "1974-12-19T01:38:29Z",
          "ms": 156649108958.23615
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-18T07:07:28+08:00",
          "utc": "1974-12-17T23:07:28Z",
          "ms": 156553648363.55222
        },
        "end": {
          "local": "1974-12-19T09:38:29+08:00",
          "utc": "1974-12-19T01:38:29Z",
          "ms": 156649108958.23615
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-12-18",
          "window": {
            "start": {
              "local": "1974-12-18T11:35:05+08:00",
              "utc": "1974-12-18T03:35:05Z",
              "ms": 156569705405.0687
            },
            "end": {
              "local": "1974-12-18T12:23:05+08:00",
              "utc": "1974-12-18T04:23:05Z",
              "ms": 156572585405.0687
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-12-19",
          "window": {
            "start": {
              "local": "1974-12-19T11:35:35+08:00",
              "utc": "1974-12-19T03:35:35Z",
              "ms": 156656135225.38754
            },
            "end": {
              "local": "1974-12-19T12:23:35+08:00",
              "utc": "1974-12-19T04:23:35Z",
              "ms": 156659015225.38754
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 07:07 on Wed 18 Dec to 09:38 on Thu 19 Dec.",
          "fact": "1974-12-17T23:07:28Z → 1974-12-19T01:38:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 18th, 11:36–12:24 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "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 7026 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 1974: Wednesday 18 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": "1974-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 1974 falls on Wednesday 18 December. Pañcamī runs from 07:07 on Wed 18 Dec to 09:38 on Thu 19 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 670,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1974-12-19T09:38:29+08:00",
          "utc": "1974-12-19T01:38:29Z",
          "ms": 156649108958.23615
        },
        "end": {
          "local": "1974-12-20T12:12:55+08:00",
          "utc": "1974-12-20T04:12:55Z",
          "ms": 156744774949.79285
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-19T09:38:29+08:00",
          "utc": "1974-12-19T01:38:29Z",
          "ms": 156649108958.23615
        },
        "end": {
          "local": "1974-12-20T12:12:55+08:00",
          "utc": "1974-12-20T04:12:55Z",
          "ms": 156744774949.79285
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-12-19",
          "window": {
            "start": {
              "local": "1974-12-19T11:35:35+08:00",
              "utc": "1974-12-19T03:35:35Z",
              "ms": 156656135225.38754
            },
            "end": {
              "local": "1974-12-19T12:23:35+08:00",
              "utc": "1974-12-19T04:23:35Z",
              "ms": 156659015225.38754
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-12-20",
          "window": {
            "start": {
              "local": "1974-12-20T11:36:05+08:00",
              "utc": "1974-12-20T03:36:05Z",
              "ms": 156742565168.82312
            },
            "end": {
              "local": "1974-12-20T12:24:05+08:00",
              "utc": "1974-12-20T04:24:05Z",
              "ms": 156745445168.82312
            }
          },
          "covered_min": 37,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:38 on Thu 19 Dec to 12:13 on Fri 20 Dec.",
          "fact": "1974-12-19T01:38:29Z → 1974-12-20T04:12:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 19th, 11:36–12:24 on the 20th.",
          "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 19th and 37 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 670 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Fuzhou, 1974: Thursday 19 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": "1974-12-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī 1974 falls on Thursday 19 December. Ṣaṣṭhī runs from 09:38 on Thu 19 Dec to 12:13 on Fri 20 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 37 minutes; by the rule the first midday is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 670,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1974-12-19T09:38:29+08:00",
          "utc": "1974-12-19T01:38:29Z",
          "ms": 156649108958.23615
        },
        "end": {
          "local": "1974-12-20T12:12:55+08:00",
          "utc": "1974-12-20T04:12:55Z",
          "ms": 156744774949.79285
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-19T09:38:29+08:00",
          "utc": "1974-12-19T01:38:29Z",
          "ms": 156649108958.23615
        },
        "end": {
          "local": "1974-12-20T12:12:55+08:00",
          "utc": "1974-12-20T04:12:55Z",
          "ms": 156744774949.79285
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-12-19",
          "window": {
            "start": {
              "local": "1974-12-19T11:35:35+08:00",
              "utc": "1974-12-19T03:35:35Z",
              "ms": 156656135225.38754
            },
            "end": {
              "local": "1974-12-19T12:23:35+08:00",
              "utc": "1974-12-19T04:23:35Z",
              "ms": 156659015225.38754
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-12-20",
          "window": {
            "start": {
              "local": "1974-12-20T11:36:05+08:00",
              "utc": "1974-12-20T03:36:05Z",
              "ms": 156742565168.82312
            },
            "end": {
              "local": "1974-12-20T12:24:05+08:00",
              "utc": "1974-12-20T04:24:05Z",
              "ms": 156745445168.82312
            }
          },
          "covered_min": 37,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:38 on Thu 19 Dec to 12:13 on Fri 20 Dec.",
          "fact": "1974-12-19T01:38:29Z → 1974-12-20T04:12:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 19th, 11:36–12:24 on the 20th.",
          "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 19th and 37 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 670 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Fuzhou, 1974: Friday 20 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": "1974-12-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Campā Ṣaṣṭhī 1974 falls on Friday 20 December. Ṣaṣṭhī runs from 09:38 on Thu 19 Dec to 12:13 on Fri 20 Dec and covers 37 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 670,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1974-12-20T12:12:55+08:00",
          "utc": "1974-12-20T04:12:55Z",
          "ms": 156744774949.79285
        },
        "end": {
          "local": "1974-12-21T14:38:13+08:00",
          "utc": "1974-12-21T06:38:13Z",
          "ms": 156839892882.82764
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-20T12:12:55+08:00",
          "utc": "1974-12-20T04:12:55Z",
          "ms": 156744774949.79285
        },
        "end": {
          "local": "1974-12-21T14:38:13+08:00",
          "utc": "1974-12-21T06:38:13Z",
          "ms": 156839892882.82764
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-12-20",
          "window": {
            "start": {
              "local": "1974-12-20T11:36:05+08:00",
              "utc": "1974-12-20T03:36:05Z",
              "ms": 156742565168.82312
            },
            "end": {
              "local": "1974-12-20T12:24:05+08:00",
              "utc": "1974-12-20T04:24:05Z",
              "ms": 156745445168.82312
            }
          },
          "covered_min": 11,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1974-12-21",
          "window": {
            "start": {
              "local": "1974-12-21T11:36:35+08:00",
              "utc": "1974-12-21T03:36:35Z",
              "ms": 156828995199.75323
            },
            "end": {
              "local": "1974-12-21T12:24:35+08:00",
              "utc": "1974-12-21T04:24:35Z",
              "ms": 156831875199.75323
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 12:13 on Fri 20 Dec to 14:38 on Sat 21 Dec.",
          "fact": "1974-12-20T04:12:55Z → 1974-12-21T06:38:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 20th, 11:37–12:25 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 11 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 670 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Fuzhou, 1974: Friday 20 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": "1974-12-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mitra Saptamī 1974 falls on Friday 20 December. Saptamī runs from 12:13 on Fri 20 Dec to 14:38 on Sat 21 Dec and covers 11 of 48 minutes 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/1974/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/1974/ekadashi?on=1974-12-25",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 42569,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1974-12-24T18:58:01+08:00",
          "utc": "1974-12-24T10:58:01Z",
          "ms": 157114681400.03674
        },
        "end": {
          "local": "1974-12-25T18:58:23+08:00",
          "utc": "1974-12-25T10:58:23Z",
          "ms": 157201102917.4785
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-24T18:58:01+08:00",
          "utc": "1974-12-24T10:58:01Z",
          "ms": 157114681400.03674
        },
        "end": {
          "local": "1974-12-25T18:58:23+08:00",
          "utc": "1974-12-25T10:58:23Z",
          "ms": 157201102917.4785
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1974-12-25",
          "window": {
            "start": {
              "local": "1974-12-25T06:47:30+08:00",
              "utc": "1974-12-24T22:47:30Z",
              "ms": 157157250289.34674
            },
            "end": {
              "local": "1974-12-25T06:47:30+08:00",
              "utc": "1974-12-24T22:47:30Z",
              "ms": 157157250289.34674
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1974-12-26",
          "window": {
            "start": {
              "local": "1974-12-26T06:47:56+08:00",
              "utc": "1974-12-25T22:47:56Z",
              "ms": 157243676497.03595
            },
            "end": {
              "local": "1974-12-26T06:47:56+08:00",
              "utc": "1974-12-25T22:47:56Z",
              "ms": 157243676497.03595
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:58 on Tue 24 Dec to 18:58 on Wed 25 Dec.",
          "fact": "1974-12-24T10:58:01Z → 1974-12-25T10:58:23Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:48 on the 25th and 06:48 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 42569 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Fuzhou, 1974: Wednesday 25 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": "1974-12-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mokṣadā Ekādaśī 1974 falls on Wednesday 25 December. Ekādaśī runs from 18:58 on Tue 24 Dec to 18:58 on Wed 25 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/ekadashi?on=1974-12-25",
      "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/1974/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20659,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1974-12-25T18:58:23+08:00",
          "utc": "1974-12-25T10:58:23Z",
          "ms": 157201102917.4785
        },
        "end": {
          "local": "1974-12-26T18:11:25+08:00",
          "utc": "1974-12-26T10:11:25Z",
          "ms": 157284684773.3807
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-25T18:58:23+08:00",
          "utc": "1974-12-25T10:58:23Z",
          "ms": 157201102917.4785
        },
        "end": {
          "local": "1974-12-26T18:11:25+08:00",
          "utc": "1974-12-26T10:11:25Z",
          "ms": 157284684773.3807
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1974-12-25",
          "window": {
            "start": {
              "local": "1974-12-25T11:38:36+08:00",
              "utc": "1974-12-25T03:38:36Z",
              "ms": 157174715500.78754
            },
            "end": {
              "local": "1974-12-25T12:26:36+08:00",
              "utc": "1974-12-25T04:26:36Z",
              "ms": 157177595500.78754
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1974-12-26",
          "window": {
            "start": {
              "local": "1974-12-26T11:39:05+08:00",
              "utc": "1974-12-26T03:39:05Z",
              "ms": 157261145451.49237
            },
            "end": {
              "local": "1974-12-26T12:27:05+08:00",
              "utc": "1974-12-26T04:27:05Z",
              "ms": 157264025451.49237
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 18:58 on Wed 25 Dec to 18:11 on Thu 26 Dec.",
          "fact": "1974-12-25T10:58:23Z → 1974-12-26T10:11:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 25th, 11:39–12:27 on the 26th.",
          "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 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20659 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Fuzhou, 1974: Thursday 26 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": "1974-12-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 1974 falls on Thursday 26 December. Dvādaśī runs from 18:58 on Wed 25 Dec to 18:11 on Thu 26 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/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/1974/pradosha-vrata?on=1974-12-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2315,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1974-12-26T18:11:25+08:00",
          "utc": "1974-12-26T10:11:25Z",
          "ms": 157284684773.3807
        },
        "end": {
          "local": "1974-12-27T16:40:14+08:00",
          "utc": "1974-12-27T08:40:14Z",
          "ms": 157365613785.56287
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-26T18:11:25+08:00",
          "utc": "1974-12-26T10:11:25Z",
          "ms": 157284684773.3807
        },
        "end": {
          "local": "1974-12-27T16:40:14+08:00",
          "utc": "1974-12-27T08:40:14Z",
          "ms": 157365613785.56287
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-12-26",
          "window": {
            "start": {
              "local": "1974-12-26T17:18:14+08:00",
              "utc": "1974-12-26T09:18:14Z",
              "ms": 157281494405.94876
            },
            "end": {
              "local": "1974-12-26T19:06:15+08:00",
              "utc": "1974-12-26T11:06:15Z",
              "ms": 157287975352.02658
            }
          },
          "covered_min": 55,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "1974-12-27",
          "window": {
            "start": {
              "local": "1974-12-27T17:18:49+08:00",
              "utc": "1974-12-27T09:18:49Z",
              "ms": 157367929074.3235
            },
            "end": {
              "local": "1974-12-27T19:06:49+08:00",
              "utc": "1974-12-27T11:06:49Z",
              "ms": 157374408567.9448
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:11 on Thu 26 Dec to 16:40 on Fri 27 Dec.",
          "fact": "1974-12-26T10:11:25Z → 1974-12-27T08:40:14Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:06 on the 26th, 17:19–19:07 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 55 of 108 minutes on the 26th and 0 of 108 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 2315 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 1974: Thursday 26 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": "1974-12-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1974 falls on Thursday 26 December. Trayodaśī runs from 18:11 on Thu 26 Dec to 16:40 on Fri 27 Dec and covers 55 of 108 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/pradosha-vrata?on=1974-12-26",
      "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/1974/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 1974,
      "local_date": "1974-12-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10120,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1974-12-28T14:30:45+08:00",
          "utc": "1974-12-28T06:30:45Z",
          "ms": 157444245101.81705
        },
        "end": {
          "local": "1974-12-29T11:50:51+08:00",
          "utc": "1974-12-29T03:50:51Z",
          "ms": 157521050987.52484
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1974-12-28T14:30:45+08:00",
          "utc": "1974-12-28T06:30:45Z",
          "ms": 157444245101.81705
        },
        "end": {
          "local": "1974-12-29T11:50:51+08:00",
          "utc": "1974-12-29T03:50:51Z",
          "ms": 157521050987.52484
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1974-12-28",
          "window": {
            "start": {
              "local": "1974-12-28T17:19:25+08:00",
              "utc": "1974-12-28T09:19:25Z",
              "ms": 157454364683.12534
            },
            "end": {
              "local": "1974-12-28T19:07:22+08:00",
              "utc": "1974-12-28T11:07:22Z",
              "ms": 157460842431.70535
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "1974-12-29",
          "window": {
            "start": {
              "local": "1974-12-29T17:20:01+08:00",
              "utc": "1974-12-29T09:20:01Z",
              "ms": 157540801198.48828
            },
            "end": {
              "local": "1974-12-29T19:07:57+08:00",
              "utc": "1974-12-29T11:07:57Z",
              "ms": 157547276910.9294
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:31 on Sat 28 Dec to 11:51 on Sun 29 Dec.",
          "fact": "1974-12-28T06:30:45Z → 1974-12-29T03:50:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:07 on the 28th, 17:20–19:08 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 108 of 108 minutes on the 28th and 0 of 108 on the 29th.",
          "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 10120 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Fuzhou, 1974: Saturday 28 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": "1974-12-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1974-12-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 1974 falls on Saturday 28 December. Pūrṇimā runs from 14:31 on Sat 28 Dec to 11:51 on Sun 29 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/1974/dattatreyotpatti",
      "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"
  }
}
