{
  "id": "/fuzhou/festivals/2043",
  "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": 2043,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/fuzhou/festivals/2043/ekadashi?on=2043-01-07",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7187,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-01-06T08:51:06+08:00",
          "utc": "2043-01-06T00:51:06Z",
          "ms": 2304118265609.504
        },
        "end": {
          "local": "2043-01-07T11:10:16+08:00",
          "utc": "2043-01-07T03:10:16Z",
          "ms": 2304213015857.4224
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-01-06T08:51:06+08:00",
          "utc": "2043-01-06T00:51:06Z",
          "ms": 2304118265609.504
        },
        "end": {
          "local": "2043-01-07T11:10:16+08:00",
          "utc": "2043-01-07T03:10:16Z",
          "ms": 2304213015857.4224
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-01-06",
          "window": {
            "start": {
              "local": "2043-01-06T06:51:19+08:00",
              "utc": "2043-01-05T22:51:19Z",
              "ms": 2304111079038.312
            },
            "end": {
              "local": "2043-01-06T06:51:19+08:00",
              "utc": "2043-01-05T22:51:19Z",
              "ms": 2304111079038.312
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-01-07",
          "window": {
            "start": {
              "local": "2043-01-07T06:51:29+08:00",
              "utc": "2043-01-06T22:51:29Z",
              "ms": 2304197488695.562
            },
            "end": {
              "local": "2043-01-07T06:51:29+08:00",
              "utc": "2043-01-06T22:51:29Z",
              "ms": 2304197488695.562
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:51 on Tue 6 Jan to 11:10 on Wed 7 Jan.",
          "fact": "2043-01-06T00:51:06Z → 2043-01-07T03:10:16Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:51 on the 6th and 06:51 on the 7th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7187 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Fuzhou, 2043: Wednesday 7 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": "2043-01-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saphalā Ekādaśī 2043 falls on Wednesday 7 January. Ekādaśī runs from 08:51 on Tue 6 Jan to 11:10 on Wed 7 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-01-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/pradosha-vrata?on=2043-01-08",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11705,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-01-08T12:59:15+08:00",
          "utc": "2043-01-08T04:59:15Z",
          "ms": 2304305955104.341
        },
        "end": {
          "local": "2043-01-09T14:12:45+08:00",
          "utc": "2043-01-09T06:12:45Z",
          "ms": 2304396764906.51
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-01-08T12:59:15+08:00",
          "utc": "2043-01-08T04:59:15Z",
          "ms": 2304305955104.341
        },
        "end": {
          "local": "2043-01-09T14:12:45+08:00",
          "utc": "2043-01-09T06:12:45Z",
          "ms": 2304396764906.51
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-01-08",
          "window": {
            "start": {
              "local": "2043-01-08T17:27:05+08:00",
              "utc": "2043-01-08T09:27:05Z",
              "ms": 2304322025140.3774
            },
            "end": {
              "local": "2043-01-08T19:14:22+08:00",
              "utc": "2043-01-08T11:14:22Z",
              "ms": 2304328462274.575
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "2043-01-09",
          "window": {
            "start": {
              "local": "2043-01-09T17:27:49+08:00",
              "utc": "2043-01-09T09:27:49Z",
              "ms": 2304408469444.463
            },
            "end": {
              "local": "2043-01-09T19:15:01+08:00",
              "utc": "2043-01-09T11:15:01Z",
              "ms": 2304414901373.621
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:59 on Thu 8 Jan to 14:13 on Fri 9 Jan.",
          "fact": "2043-01-08T04:59:15Z → 2043-01-09T06:12:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:27–19:14 on the 8th, 17:28–19:15 on the 9th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 8th and 0 of 107 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11705 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Thursday 8 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": "2043-01-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Thursday 8 January. Trayodaśī runs from 12:59 on Thu 8 Jan to 14:13 on Fri 9 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-01-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/shivaratri?on=2043-01-09",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32178,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-01-09T14:12:45+08:00",
          "utc": "2043-01-09T06:12:45Z",
          "ms": 2304396764906.51
        },
        "end": {
          "local": "2043-01-10T14:49:56+08:00",
          "utc": "2043-01-10T06:49:56Z",
          "ms": 2304485395898.529
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-01-09T14:12:45+08:00",
          "utc": "2043-01-09T06:12:45Z",
          "ms": 2304396764906.51
        },
        "end": {
          "local": "2043-01-10T14:49:56+08:00",
          "utc": "2043-01-10T06:49:56Z",
          "ms": 2304485395898.529
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-01-09",
          "window": {
            "start": {
              "local": "2043-01-09T23:45:49+08:00",
              "utc": "2043-01-09T15:45:49Z",
              "ms": 2304431149178.806
            },
            "end": {
              "local": "2043-01-10T00:33:49+08:00",
              "utc": "2043-01-09T16:33:49Z",
              "ms": 2304434029178.806
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-01-10",
          "window": {
            "start": {
              "local": "2043-01-10T23:46:13+08:00",
              "utc": "2043-01-10T15:46:13Z",
              "ms": 2304517573426.743
            },
            "end": {
              "local": "2043-01-11T00:34:13+08:00",
              "utc": "2043-01-10T16:34:13Z",
              "ms": 2304520453426.743
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:13 on Fri 9 Jan to 14:50 on Sat 10 Jan.",
          "fact": "2043-01-09T06:12:45Z → 2043-01-10T06:49:56Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 9th, 23:46–00:34 on the 10th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32178 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Friday 9 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": "2043-01-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Friday 9 January. Caturdaśī runs from 14:13 on Fri 9 Jan to 14:50 on Sat 10 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-01-09",
      "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/2043/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30800,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        },
        "end": {
          "local": "2043-02-13T15:02:36+08:00",
          "utc": "2043-02-13T07:02:36Z",
          "ms": 2307423756430.9927
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        },
        "end": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2043-01-14",
          "window": {
            "start": {
              "local": "2043-01-13T17:30:50+08:00",
              "utc": "2043-01-13T09:30:50Z",
              "ms": 2304754250369.6294
            },
            "end": {
              "local": "2043-01-14T17:31:36+08:00",
              "utc": "2043-01-14T09:31:36Z",
              "ms": 2304840696308.108
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2043-01-15",
          "window": {
            "start": {
              "local": "2043-01-14T17:31:36+08:00",
              "utc": "2043-01-14T09:31:36Z",
              "ms": 2304840696308.108
            },
            "end": {
              "local": "2043-01-15T17:32:22+08:00",
              "utc": "2043-01-15T09:32:22Z",
              "ms": 2304927142443.8945
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2043-01-15",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 02:05 on Thu 15 Jan.",
          "fact": "2043-01-14T18:04:57Z · 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 17:32, 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 14th and the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 30800 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Thursday 15 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Fuzhou, 2043: Wednesday 14 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": "2043-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2043-01-14",
          "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": "2043-01-13",
          "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 2043 falls on Wednesday 14 January. It is kept the day before Pongal, which falls on Thursday 15 January. The Sun enters Makara at 02:05 on Thu 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vinayaka-chaturthi?on=2043-01-14",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 360,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-01-14T12:29:45+08:00",
          "utc": "2043-01-14T04:29:45Z",
          "ms": 2304822585395.966
        },
        "end": {
          "local": "2043-01-15T11:07:25+08:00",
          "utc": "2043-01-15T03:07:25Z",
          "ms": 2304904044974.1646
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-01-14T12:29:45+08:00",
          "utc": "2043-01-14T04:29:45Z",
          "ms": 2304822585395.966
        },
        "end": {
          "local": "2043-01-15T11:07:25+08:00",
          "utc": "2043-01-15T03:07:25Z",
          "ms": 2304904044974.1646
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-01-14",
          "window": {
            "start": {
              "local": "2043-01-14T11:47:46+08:00",
              "utc": "2043-01-14T03:47:46Z",
              "ms": 2304820065641.2095
            },
            "end": {
              "local": "2043-01-14T12:35:46+08:00",
              "utc": "2043-01-14T04:35:46Z",
              "ms": 2304822945641.2095
            }
          },
          "covered_min": 6,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-01-15",
          "window": {
            "start": {
              "local": "2043-01-15T11:48:08+08:00",
              "utc": "2043-01-15T03:48:08Z",
              "ms": 2304906487568.054
            },
            "end": {
              "local": "2043-01-15T12:36:08+08:00",
              "utc": "2043-01-15T04:36:08Z",
              "ms": 2304909367568.054
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:30 on Wed 14 Jan to 11:07 on Thu 15 Jan.",
          "fact": "2043-01-14T04:29:45Z → 2043-01-15T03:07:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 14th, 11:48–12:36 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 6 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 360 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Wednesday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-14",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Wednesday 14 January. Caturthī runs from 12:30 on Wed 14 Jan to 11:07 on Thu 15 Jan and covers 6 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-01-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30800,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        },
        "end": {
          "local": "2043-02-13T15:02:36+08:00",
          "utc": "2043-02-13T07:02:36Z",
          "ms": 2307423756430.9927
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        },
        "end": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2043-01-14",
          "window": {
            "start": {
              "local": "2043-01-13T17:30:50+08:00",
              "utc": "2043-01-13T09:30:50Z",
              "ms": 2304754250369.6294
            },
            "end": {
              "local": "2043-01-14T17:31:36+08:00",
              "utc": "2043-01-14T09:31:36Z",
              "ms": 2304840696308.108
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2043-01-15",
          "window": {
            "start": {
              "local": "2043-01-14T17:31:36+08:00",
              "utc": "2043-01-14T09:31:36Z",
              "ms": 2304840696308.108
            },
            "end": {
              "local": "2043-01-15T17:32:22+08:00",
              "utc": "2043-01-15T09:32:22Z",
              "ms": 2304927142443.8945
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 02:05 on Thu 15 Jan.",
          "fact": "2043-01-14T18:04:57Z · 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 17:32, 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 14th and the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 30800 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Fuzhou, 2043: Thursday 15 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": "2043-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2043-01-15",
          "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": "2043-01-14",
          "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 2043 falls on Thursday 15 January. The Sun enters Makara at 02:05 on Thu 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7497,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        },
        "end": {
          "local": "2043-02-13T15:02:36+08:00",
          "utc": "2043-02-13T07:02:36Z",
          "ms": 2307423756430.9927
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        },
        "end": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2043-01-14",
          "window": {
            "start": {
              "local": "2043-01-14T00:00:00+08:00",
              "utc": "2043-01-13T16:00:00Z",
              "ms": 2304777600000
            },
            "end": {
              "local": "2043-01-15T00:00:00+08:00",
              "utc": "2043-01-14T16:00:00Z",
              "ms": 2304864000000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2043-01-15",
          "window": {
            "start": {
              "local": "2043-01-15T00:00:00+08:00",
              "utc": "2043-01-14T16:00:00Z",
              "ms": 2304864000000
            },
            "end": {
              "local": "2043-01-16T00:00:00+08:00",
              "utc": "2043-01-15T16:00:00Z",
              "ms": 2304950400000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 02:05 on Thu 15 Jan.",
          "fact": "2043-01-14T18:04:57Z · 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 15th, 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 midnight → only-day · margin 7497 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Fuzhou, 2043: Thursday 15 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": "2043-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2043-01-14",
          "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": "2043-01-15",
          "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 2043 falls on Thursday 15 January. The Sun enters Makara at 02:05 on Thu 15 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30800,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        },
        "end": {
          "local": "2043-02-13T15:02:36+08:00",
          "utc": "2043-02-13T07:02:36Z",
          "ms": 2307423756430.9927
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        },
        "end": {
          "local": "2043-01-15T02:04:57+08:00",
          "utc": "2043-01-14T18:04:57Z",
          "ms": 2304871496543.162
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2043-01-14",
          "window": {
            "start": {
              "local": "2043-01-13T17:30:50+08:00",
              "utc": "2043-01-13T09:30:50Z",
              "ms": 2304754250369.6294
            },
            "end": {
              "local": "2043-01-14T17:31:36+08:00",
              "utc": "2043-01-14T09:31:36Z",
              "ms": 2304840696308.108
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2043-01-15",
          "window": {
            "start": {
              "local": "2043-01-14T17:31:36+08:00",
              "utc": "2043-01-14T09:31:36Z",
              "ms": 2304840696308.108
            },
            "end": {
              "local": "2043-01-15T17:32:22+08:00",
              "utc": "2043-01-15T09:32:22Z",
              "ms": 2304927142443.8945
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2043-01-15",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 02:05 on Thu 15 Jan.",
          "fact": "2043-01-14T18:04:57Z · 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 17:32, 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 14th and the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 30800 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Thursday 15 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Fuzhou, 2043: Friday 16 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": "2043-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2043-01-16",
          "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": "2043-01-15",
          "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 2043 falls on Friday 16 January. It is kept the day after Pongal, which falls on Thursday 15 January. The Sun enters Makara at 02:05 on Thu 15 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 14th and the 15th. Counted from sunrise, as in Orissa, it is 15 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-01-21",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24846,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-01-20T23:57:01+08:00",
          "utc": "2043-01-20T15:57:01Z",
          "ms": 2305382221159.6436
        },
        "end": {
          "local": "2043-01-21T21:49:29+08:00",
          "utc": "2043-01-21T13:49:29Z",
          "ms": 2305460969430.452
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-01-20T23:57:01+08:00",
          "utc": "2043-01-20T15:57:01Z",
          "ms": 2305382221159.6436
        },
        "end": {
          "local": "2043-01-21T21:49:29+08:00",
          "utc": "2043-01-21T13:49:29Z",
          "ms": 2305460969430.452
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-01-21",
          "window": {
            "start": {
              "local": "2043-01-21T06:51:07+08:00",
              "utc": "2043-01-20T22:51:07Z",
              "ms": 2305407066845.708
            },
            "end": {
              "local": "2043-01-21T06:51:07+08:00",
              "utc": "2043-01-20T22:51:07Z",
              "ms": 2305407066845.708
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-01-22",
          "window": {
            "start": {
              "local": "2043-01-22T06:50:54+08:00",
              "utc": "2043-01-21T22:50:54Z",
              "ms": 2305493453883.7734
            },
            "end": {
              "local": "2043-01-22T06:50:54+08:00",
              "utc": "2043-01-21T22:50:54Z",
              "ms": 2305493453883.7734
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:57 on Tue 20 Jan to 21:49 on Wed 21 Jan.",
          "fact": "2043-01-20T15:57:01Z → 2043-01-21T13:49:29Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:51 on the 21st and 06:51 on the 22nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24846 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 2043: Wednesday 21 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": "2043-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 2043 falls on Wednesday 21 January. Ekādaśī runs from 23:57 on Tue 20 Jan to 21:49 on Wed 21 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-01-21",
      "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/2043/pradosha-vrata?on=2043-01-23",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 716,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-01-22T19:45:22+08:00",
          "utc": "2043-01-22T11:45:22Z",
          "ms": 2305539922375.029
        },
        "end": {
          "local": "2043-01-23T17:50:30+08:00",
          "utc": "2043-01-23T09:50:30Z",
          "ms": 2305619429762.516
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-01-22T19:45:22+08:00",
          "utc": "2043-01-22T11:45:22Z",
          "ms": 2305539922375.029
        },
        "end": {
          "local": "2043-01-23T17:50:30+08:00",
          "utc": "2043-01-23T09:50:30Z",
          "ms": 2305619429762.516
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-01-22",
          "window": {
            "start": {
              "local": "2043-01-22T17:37:48+08:00",
              "utc": "2043-01-22T09:37:48Z",
              "ms": 2305532267745.5435
            },
            "end": {
              "local": "2043-01-22T19:23:31+08:00",
              "utc": "2043-01-22T11:23:31Z",
              "ms": 2305538610636.334
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2043-01-23",
          "window": {
            "start": {
              "local": "2043-01-23T17:38:34+08:00",
              "utc": "2043-01-23T09:38:34Z",
              "ms": 2305618714160.127
            },
            "end": {
              "local": "2043-01-23T19:24:09+08:00",
              "utc": "2043-01-23T11:24:09Z",
              "ms": 2305625048737.0522
            }
          },
          "covered_min": 12,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:45 on Thu 22 Jan to 17:50 on Fri 23 Jan.",
          "fact": "2043-01-22T11:45:22Z → 2043-01-23T09:50:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:24 on the 22nd, 17:39–19:24 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 22nd and 12 of 106 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 716 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Friday 23 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": "2043-01-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Friday 23 January. Trayodaśī runs from 19:45 on Thu 22 Jan to 17:50 on Fri 23 Jan and covers 12 of 106 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-01-23",
      "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/2043/sankashta-chaturthi?on=2043-01-28",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-01-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19999,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-01-28T14:40:21+08:00",
          "utc": "2043-01-28T06:40:21Z",
          "ms": 2306040020998.4805
        },
        "end": {
          "local": "2043-01-29T15:56:50+08:00",
          "utc": "2043-01-29T07:56:50Z",
          "ms": 2306131010138.8486
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-01-28T14:40:21+08:00",
          "utc": "2043-01-28T06:40:21Z",
          "ms": 2306040020998.4805
        },
        "end": {
          "local": "2043-01-29T15:56:50+08:00",
          "utc": "2043-01-29T07:56:50Z",
          "ms": 2306131010138.8486
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-01-28",
          "window": {
            "start": {
              "local": "2043-01-28T20:36:58+08:00",
              "utc": "2043-01-28T12:36:58Z",
              "ms": 2306061418030.3076
            },
            "end": {
              "local": "2043-01-28T20:36:58+08:00",
              "utc": "2043-01-28T12:36:58Z",
              "ms": 2306061418030.3076
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-01-29",
          "window": {
            "start": {
              "local": "2043-01-29T21:30:09+08:00",
              "utc": "2043-01-29T13:30:09Z",
              "ms": 2306151008997.806
            },
            "end": {
              "local": "2043-01-29T21:30:09+08:00",
              "utc": "2043-01-29T13:30:09Z",
              "ms": 2306151008997.806
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 14:40 on Wed 28 Jan to 15:57 on Thu 29 Jan.",
          "fact": "2043-01-28T06:40:21Z → 2043-01-29T07:56:50Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:37 on the 28th and 21:30 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 28th and is not on the 29th.",
          "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 19999 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Wednesday 28 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": "2043-01-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-01-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Wednesday 28 January. Caturthī runs from 14:40 on Wed 28 Jan to 15:57 on Thu 29 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-01-28",
      "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/2043/ekadashi?on=2043-02-06",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1018,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-02-05T05:48:14+08:00",
          "utc": "2043-02-04T21:48:14Z",
          "ms": 2306699294495.166
        },
        "end": {
          "local": "2043-02-06T07:01:47+08:00",
          "utc": "2043-02-05T23:01:47Z",
          "ms": 2306790107021.462
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-05T05:48:14+08:00",
          "utc": "2043-02-04T21:48:14Z",
          "ms": 2306699294495.166
        },
        "end": {
          "local": "2043-02-06T07:01:47+08:00",
          "utc": "2043-02-05T23:01:47Z",
          "ms": 2306790107021.462
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-02-05",
          "window": {
            "start": {
              "local": "2043-02-05T06:45:22+08:00",
              "utc": "2043-02-04T22:45:22Z",
              "ms": 2306702722409.478
            },
            "end": {
              "local": "2043-02-05T06:45:22+08:00",
              "utc": "2043-02-04T22:45:22Z",
              "ms": 2306702722409.478
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-02-06",
          "window": {
            "start": {
              "local": "2043-02-06T06:44:49+08:00",
              "utc": "2043-02-05T22:44:49Z",
              "ms": 2306789088705.59
            },
            "end": {
              "local": "2043-02-06T06:44:49+08:00",
              "utc": "2043-02-05T22:44:49Z",
              "ms": 2306789088705.59
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:48 on Thu 5 Feb to 07:02 on Fri 6 Feb.",
          "fact": "2043-02-04T21:48:14Z → 2043-02-05T23:01:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:45 on the 5th and 06:45 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 5th and is on the 6th.",
          "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 1018 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 2043: Friday 6 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": "2043-02-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 2043 falls on Friday 6 February. Ekādaśī runs from 05:48 on Thu 5 Feb to 07:02 on Fri 6 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-02-06",
      "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/2043/pradosha-vrata?on=2043-02-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37047,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-02-07T07:32:20+08:00",
          "utc": "2043-02-06T23:32:20Z",
          "ms": 2306878340473.996
        },
        "end": {
          "local": "2043-02-08T07:20:29+08:00",
          "utc": "2043-02-07T23:20:29Z",
          "ms": 2306964028741.7705
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-07T07:32:20+08:00",
          "utc": "2043-02-06T23:32:20Z",
          "ms": 2306878340473.996
        },
        "end": {
          "local": "2043-02-08T07:20:29+08:00",
          "utc": "2043-02-07T23:20:29Z",
          "ms": 2306964028741.7705
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-02-07",
          "window": {
            "start": {
              "local": "2043-02-07T17:49:48+08:00",
              "utc": "2043-02-07T09:49:48Z",
              "ms": 2306915387636.2754
            },
            "end": {
              "local": "2043-02-07T19:32:58+08:00",
              "utc": "2043-02-07T11:32:58Z",
              "ms": 2306921578299.2124
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "2043-02-08",
          "window": {
            "start": {
              "local": "2043-02-08T17:50:30+08:00",
              "utc": "2043-02-08T09:50:30Z",
              "ms": 2307001830213.97
            },
            "end": {
              "local": "2043-02-08T19:33:30+08:00",
              "utc": "2043-02-08T11:33:30Z",
              "ms": 2307008010219.362
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:32 on Sat 7 Feb to 07:20 on Sun 8 Feb.",
          "fact": "2043-02-06T23:32:20Z → 2043-02-07T23:20:29Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:33 on the 7th, 17:51–19:34 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 7th and 0 of 103 on the 8th.",
          "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 37047 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Saturday 7 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": "2043-02-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Saturday 7 February. Trayodaśī runs from 07:32 on Sat 7 Feb to 07:20 on Sun 8 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-02-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/shivaratri?on=2043-02-08",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20968,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-02-08T07:20:29+08:00",
          "utc": "2043-02-07T23:20:29Z",
          "ms": 2306964028741.7705
        },
        "end": {
          "local": "2043-02-09T06:30:13+08:00",
          "utc": "2043-02-08T22:30:13Z",
          "ms": 2307047413242.435
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-08T07:20:29+08:00",
          "utc": "2043-02-07T23:20:29Z",
          "ms": 2306964028741.7705
        },
        "end": {
          "local": "2043-02-09T06:30:13+08:00",
          "utc": "2043-02-08T22:30:13Z",
          "ms": 2307047413242.435
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-02-07",
          "window": {
            "start": {
              "local": "2043-02-07T23:52:43+08:00",
              "utc": "2043-02-07T15:52:43Z",
              "ms": 2306937162622.29
            },
            "end": {
              "local": "2043-02-08T00:40:43+08:00",
              "utc": "2043-02-07T16:40:43Z",
              "ms": 2306940042622.29
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-02-08",
          "window": {
            "start": {
              "local": "2043-02-08T23:52:45+08:00",
              "utc": "2043-02-08T15:52:45Z",
              "ms": 2307023565234.189
            },
            "end": {
              "local": "2043-02-09T00:40:45+08:00",
              "utc": "2043-02-08T16:40:45Z",
              "ms": 2307026445234.189
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:20 on Sun 8 Feb to 06:30 on Mon 9 Feb.",
          "fact": "2043-02-07T23:20:29Z → 2043-02-08T22:30:13Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 7th, 23:53–00:41 on the 8th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20968 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Sunday 8 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-02-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Sunday 8 February. Caturdaśī runs from 07:20 on Sun 8 Feb to 06:30 on Mon 9 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-02-08",
      "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/2043/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 767,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-02-08T07:20:29+08:00",
          "utc": "2043-02-07T23:20:29Z",
          "ms": 2306964028741.7705
        },
        "end": {
          "local": "2043-02-09T06:30:13+08:00",
          "utc": "2043-02-08T22:30:13Z",
          "ms": 2307047413242.435
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-08T07:20:29+08:00",
          "utc": "2043-02-07T23:20:29Z",
          "ms": 2306964028741.7705
        },
        "end": {
          "local": "2043-02-09T06:30:13+08:00",
          "utc": "2043-02-08T22:30:13Z",
          "ms": 2307047413242.435
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2043-02-08",
          "window": {
            "start": {
              "local": "2043-02-08T05:00:27+08:00",
              "utc": "2043-02-07T21:00:27Z",
              "ms": 2306955626945.3677
            },
            "end": {
              "local": "2043-02-08T06:43:38+08:00",
              "utc": "2043-02-07T22:43:38Z",
              "ms": 2306961817608.3047
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "2043-02-09",
          "window": {
            "start": {
              "local": "2043-02-09T05:00:00+08:00",
              "utc": "2043-02-08T21:00:00Z",
              "ms": 2307042000249.016
            },
            "end": {
              "local": "2043-02-09T06:43:00+08:00",
              "utc": "2043-02-08T22:43:00Z",
              "ms": 2307048180254.4077
            }
          },
          "covered_min": 90,
          "window_min": 103,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:20 on Sun 8 Feb to 06:30 on Mon 9 Feb.",
          "fact": "2043-02-07T23:20:29Z → 2043-02-08T22:30:13Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:00–06:44 on the 8th, 05:00–06:43 on the 9th.",
          "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 103 minutes on the 8th and 90 of 103 on the 9th.",
          "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 767 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Fuzhou, 2043: Monday 9 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-02-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Tarpaṇa 2043 falls on Monday 9 February. Caturdaśī runs from 07:20 on Sun 8 Feb to 06:30 on Mon 9 Feb and covers 90 of 103 minutes of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28788,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-02-12T23:00:31+08:00",
          "utc": "2043-02-12T15:00:31Z",
          "ms": 2307366030585.68
        },
        "end": {
          "local": "2043-02-13T20:40:56+08:00",
          "utc": "2043-02-13T12:40:56Z",
          "ms": 2307444056325.9067
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-12T23:00:31+08:00",
          "utc": "2043-02-12T15:00:31Z",
          "ms": 2307366030585.68
        },
        "end": {
          "local": "2043-02-13T20:40:56+08:00",
          "utc": "2043-02-13T12:40:56Z",
          "ms": 2307444056325.9067
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-02-12",
          "window": {
            "start": {
              "local": "2043-02-12T11:53:09+08:00",
              "utc": "2043-02-12T03:53:09Z",
              "ms": 2307325988907.198
            },
            "end": {
              "local": "2043-02-12T12:41:09+08:00",
              "utc": "2043-02-12T04:41:09Z",
              "ms": 2307328868907.198
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-02-13",
          "window": {
            "start": {
              "local": "2043-02-13T11:53:08+08:00",
              "utc": "2043-02-13T03:53:08Z",
              "ms": 2307412388214.5396
            },
            "end": {
              "local": "2043-02-13T12:41:08+08:00",
              "utc": "2043-02-13T04:41:08Z",
              "ms": 2307415268214.5396
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:01 on Thu 12 Feb to 20:41 on Fri 13 Feb.",
          "fact": "2043-02-12T15:00:31Z → 2043-02-13T12:40:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 12th, 11:53–12:41 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 28788 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Fuzhou, 2043: Friday 13 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-02-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2043 falls on Friday 13 February. Caturthī runs from 23:01 on Thu 12 Feb to 20:41 on Fri 13 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3894,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-02-12T23:00:31+08:00",
          "utc": "2043-02-12T15:00:31Z",
          "ms": 2307366030585.68
        },
        "end": {
          "local": "2043-02-13T20:40:56+08:00",
          "utc": "2043-02-13T12:40:56Z",
          "ms": 2307444056325.9067
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-12T23:00:31+08:00",
          "utc": "2043-02-12T15:00:31Z",
          "ms": 2307366030585.68
        },
        "end": {
          "local": "2043-02-13T20:40:56+08:00",
          "utc": "2043-02-13T12:40:56Z",
          "ms": 2307444056325.9067
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-02-12",
          "window": {
            "start": {
              "local": "2043-02-12T17:53:17+08:00",
              "utc": "2043-02-12T09:53:17Z",
              "ms": 2307347596606.329
            },
            "end": {
              "local": "2043-02-12T19:35:33+08:00",
              "utc": "2043-02-12T11:35:33Z",
              "ms": 2307353732960.7793
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2043-02-13",
          "window": {
            "start": {
              "local": "2043-02-13T17:53:57+08:00",
              "utc": "2043-02-13T09:53:57Z",
              "ms": 2307434037164.372
            },
            "end": {
              "local": "2043-02-13T19:36:02+08:00",
              "utc": "2043-02-13T11:36:02Z",
              "ms": 2307440162372.5933
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:01 on Thu 12 Feb to 20:41 on Fri 13 Feb.",
          "fact": "2043-02-12T15:00:31Z → 2043-02-13T12:40:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:36 on the 12th, 17:54–19:36 on the 13th.",
          "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 102 minutes on the 12th and 102 of 102 on the 13th.",
          "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 3894 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Fuzhou, 2043: Friday 13 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-02-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Tila Caturthī 2043 falls on Friday 13 February. Caturthī runs from 23:01 on Thu 12 Feb to 20:41 on Fri 13 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20452,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2043-02-13T20:40:56+08:00",
          "utc": "2043-02-13T12:40:56Z",
          "ms": 2307444056325.9067
        },
        "end": {
          "local": "2043-02-14T18:21:59+08:00",
          "utc": "2043-02-14T10:21:59Z",
          "ms": 2307522119224.027
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-13T20:40:56+08:00",
          "utc": "2043-02-13T12:40:56Z",
          "ms": 2307444056325.9067
        },
        "end": {
          "local": "2043-02-14T18:21:59+08:00",
          "utc": "2043-02-14T10:21:59Z",
          "ms": 2307522119224.027
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-02-13",
          "window": {
            "start": {
              "local": "2043-02-13T11:53:08+08:00",
              "utc": "2043-02-13T03:53:08Z",
              "ms": 2307412388214.5396
            },
            "end": {
              "local": "2043-02-13T12:41:08+08:00",
              "utc": "2043-02-13T04:41:08Z",
              "ms": 2307415268214.5396
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-02-14",
          "window": {
            "start": {
              "local": "2043-02-14T11:53:07+08:00",
              "utc": "2043-02-14T03:53:07Z",
              "ms": 2307498786756.626
            },
            "end": {
              "local": "2043-02-14T12:41:07+08:00",
              "utc": "2043-02-14T04:41:07Z",
              "ms": 2307501666756.626
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 20:41 on Fri 13 Feb to 18:22 on Sat 14 Feb.",
          "fact": "2043-02-13T12:40:56Z → 2043-02-14T10:21:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 13th, 11:53–12:41 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20452 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Fuzhou, 2043: Saturday 14 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-02-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Pañcamī 2043 falls on Saturday 14 February. Pañcamī runs from 20:41 on Fri 13 Feb to 18:22 on Sat 14 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20452,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2043-02-13T20:40:56+08:00",
          "utc": "2043-02-13T12:40:56Z",
          "ms": 2307444056325.9067
        },
        "end": {
          "local": "2043-02-14T18:21:59+08:00",
          "utc": "2043-02-14T10:21:59Z",
          "ms": 2307522119224.027
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-13T20:40:56+08:00",
          "utc": "2043-02-13T12:40:56Z",
          "ms": 2307444056325.9067
        },
        "end": {
          "local": "2043-02-14T18:21:59+08:00",
          "utc": "2043-02-14T10:21:59Z",
          "ms": 2307522119224.027
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-02-13",
          "window": {
            "start": {
              "local": "2043-02-13T11:53:08+08:00",
              "utc": "2043-02-13T03:53:08Z",
              "ms": 2307412388214.5396
            },
            "end": {
              "local": "2043-02-13T12:41:08+08:00",
              "utc": "2043-02-13T04:41:08Z",
              "ms": 2307415268214.5396
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-02-14",
          "window": {
            "start": {
              "local": "2043-02-14T11:53:07+08:00",
              "utc": "2043-02-14T03:53:07Z",
              "ms": 2307498786756.626
            },
            "end": {
              "local": "2043-02-14T12:41:07+08:00",
              "utc": "2043-02-14T04:41:07Z",
              "ms": 2307501666756.626
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 20:41 on Fri 13 Feb to 18:22 on Sat 14 Feb.",
          "fact": "2043-02-13T12:40:56Z → 2043-02-14T10:21:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 13th, 11:53–12:41 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20452 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Fuzhou, 2043: Saturday 14 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-02-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasanta Pañcamī 2043 falls on Saturday 14 February. Pañcamī runs from 20:41 on Fri 13 Feb to 18:22 on Sat 14 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26535,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2043-02-15T16:07:30+08:00",
          "utc": "2043-02-15T08:07:30Z",
          "ms": 2307600450410.751
        },
        "end": {
          "local": "2043-02-16T14:00:22+08:00",
          "utc": "2043-02-16T06:00:22Z",
          "ms": 2307679221878.597
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-15T16:07:30+08:00",
          "utc": "2043-02-15T08:07:30Z",
          "ms": 2307600450410.751
        },
        "end": {
          "local": "2043-02-16T14:00:22+08:00",
          "utc": "2043-02-16T06:00:22Z",
          "ms": 2307679221878.597
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2043-02-15",
          "window": {
            "start": {
              "local": "2043-02-15T04:56:58+08:00",
              "utc": "2043-02-14T20:56:58Z",
              "ms": 2307560218137.963
            },
            "end": {
              "local": "2043-02-15T06:38:52+08:00",
              "utc": "2043-02-14T22:38:52Z",
              "ms": 2307566332115.0005
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2043-02-16",
          "window": {
            "start": {
              "local": "2043-02-16T04:56:24+08:00",
              "utc": "2043-02-15T20:56:24Z",
              "ms": 2307646584290.988
            },
            "end": {
              "local": "2043-02-16T06:38:07+08:00",
              "utc": "2043-02-15T22:38:07Z",
              "ms": 2307652686955.9854
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 16:08 on Sun 15 Feb to 14:00 on Mon 16 Feb.",
          "fact": "2043-02-15T08:07:30Z → 2043-02-16T06:00:22Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:57–06:39 on the 15th, 04:56–06:38 on the 16th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during aruṇodaya. It covers 0 of 102 minutes on the 15th and 102 of 102 on the 16th.",
          "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 26535 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Fuzhou, 2043: Monday 16 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-02-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ratha Saptamī 2043 falls on Monday 16 February. Saptamī runs from 16:08 on Sun 15 Feb to 14:00 on Mon 16 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-02-20",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3076,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-02-19T08:43:31+08:00",
          "utc": "2043-02-19T00:43:31Z",
          "ms": 2307919410849.61
        },
        "end": {
          "local": "2043-02-20T07:26:13+08:00",
          "utc": "2043-02-19T23:26:13Z",
          "ms": 2308001172666.9336
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-19T08:43:31+08:00",
          "utc": "2043-02-19T00:43:31Z",
          "ms": 2307919410849.61
        },
        "end": {
          "local": "2043-02-20T07:26:13+08:00",
          "utc": "2043-02-19T23:26:13Z",
          "ms": 2308001172666.9336
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-02-19",
          "window": {
            "start": {
              "local": "2043-02-19T06:35:45+08:00",
              "utc": "2043-02-18T22:35:45Z",
              "ms": 2307911745454.061
            },
            "end": {
              "local": "2043-02-19T06:35:45+08:00",
              "utc": "2043-02-18T22:35:45Z",
              "ms": 2307911745454.061
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-02-20",
          "window": {
            "start": {
              "local": "2043-02-20T06:34:56+08:00",
              "utc": "2043-02-19T22:34:56Z",
              "ms": 2307998096371.1646
            },
            "end": {
              "local": "2043-02-20T06:34:56+08:00",
              "utc": "2043-02-19T22:34:56Z",
              "ms": 2307998096371.1646
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:44 on Thu 19 Feb to 07:26 on Fri 20 Feb.",
          "fact": "2043-02-19T00:43:31Z → 2043-02-19T23:26:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:36 on the 19th and 06:35 on the 20th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is 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 3076 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Fuzhou, 2043: Friday 20 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": "2043-02-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jayā Ekādaśī 2043 falls on Friday 20 February. Ekādaśī runs from 08:44 on Thu 19 Feb to 07:26 on Fri 20 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-02-20",
      "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/2043/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15990,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2043-02-20T07:26:13+08:00",
          "utc": "2043-02-19T23:26:13Z",
          "ms": 2308001172666.9336
        },
        "end": {
          "local": "2043-02-21T06:27:28+08:00",
          "utc": "2043-02-20T22:27:28Z",
          "ms": 2308084048372.747
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-20T07:26:13+08:00",
          "utc": "2043-02-19T23:26:13Z",
          "ms": 2308001172666.9336
        },
        "end": {
          "local": "2043-02-21T06:27:28+08:00",
          "utc": "2043-02-20T22:27:28Z",
          "ms": 2308084048372.747
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-02-20",
          "window": {
            "start": {
              "local": "2043-02-20T11:52:43+08:00",
              "utc": "2043-02-20T03:52:43Z",
              "ms": 2308017162522.922
            },
            "end": {
              "local": "2043-02-20T12:40:43+08:00",
              "utc": "2043-02-20T04:40:43Z",
              "ms": 2308020042522.922
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-02-21",
          "window": {
            "start": {
              "local": "2043-02-21T11:52:36+08:00",
              "utc": "2043-02-21T03:52:36Z",
              "ms": 2308103556033.779
            },
            "end": {
              "local": "2043-02-21T12:40:36+08:00",
              "utc": "2043-02-21T04:40:36Z",
              "ms": 2308106436033.779
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 07:26 on Fri 20 Feb to 06:27 on Sat 21 Feb.",
          "fact": "2043-02-19T23:26:13Z → 2043-02-20T22:27:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 20th, 11:53–12:41 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 15990 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Fuzhou, 2043: Friday 20 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": "2043-02-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhīṣma Dvādaśī 2043 falls on Friday 20 February. Dvādaśī runs from 07:26 on Fri 20 Feb to 06:27 on Sat 21 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-02-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36666,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-02-21T06:27:28+08:00",
          "utc": "2043-02-20T22:27:28Z",
          "ms": 2308084048372.747
        },
        "end": {
          "local": "2043-02-22T05:50:45+08:00",
          "utc": "2043-02-21T21:50:45Z",
          "ms": 2308168245006.4824
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-21T06:27:28+08:00",
          "utc": "2043-02-20T22:27:28Z",
          "ms": 2308084048372.747
        },
        "end": {
          "local": "2043-02-22T05:50:45+08:00",
          "utc": "2043-02-21T21:50:45Z",
          "ms": 2308168245006.4824
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-02-20",
          "window": {
            "start": {
              "local": "2043-02-20T17:58:29+08:00",
              "utc": "2043-02-20T09:58:29Z",
              "ms": 2308039108674.6797
            },
            "end": {
              "local": "2043-02-20T19:39:14+08:00",
              "utc": "2043-02-20T11:39:14Z",
              "ms": 2308045153701.862
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        },
        {
          "local_date": "2043-02-21",
          "window": {
            "start": {
              "local": "2043-02-21T17:59:06+08:00",
              "utc": "2043-02-21T09:59:06Z",
              "ms": 2308125545689.0127
            },
            "end": {
              "local": "2043-02-21T19:39:39+08:00",
              "utc": "2043-02-21T11:39:39Z",
              "ms": 2308131578997.8965
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:27 on Sat 21 Feb to 05:51 on Sun 22 Feb.",
          "fact": "2043-02-20T22:27:28Z → 2043-02-21T21:50:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:39 on the 20th, 17:59–19:40 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 101 minutes on the 20th and 101 of 101 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 36666 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Saturday 21 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": "2043-02-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Saturday 21 February. Trayodaśī runs from 06:27 on Sat 21 Feb to 05:51 on Sun 22 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-02-21",
      "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/2043/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21251,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-02-23T05:39:46+08:00",
          "utc": "2043-02-22T21:39:46Z",
          "ms": 2308253986072.693
        },
        "end": {
          "local": "2043-02-24T05:58:02+08:00",
          "utc": "2043-02-23T21:58:02Z",
          "ms": 2308341481771.08
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-23T05:39:46+08:00",
          "utc": "2043-02-22T21:39:46Z",
          "ms": 2308253986072.693
        },
        "end": {
          "local": "2043-02-24T05:58:02+08:00",
          "utc": "2043-02-23T21:58:02Z",
          "ms": 2308341481771.08
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-02-23",
          "window": {
            "start": {
              "local": "2043-02-23T11:52:21+08:00",
              "utc": "2043-02-23T03:52:21Z",
              "ms": 2308276341109.9443
            },
            "end": {
              "local": "2043-02-23T12:40:21+08:00",
              "utc": "2043-02-23T04:40:21Z",
              "ms": 2308279221109.9443
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-02-24",
          "window": {
            "start": {
              "local": "2043-02-24T11:52:13+08:00",
              "utc": "2043-02-24T03:52:13Z",
              "ms": 2308362732713.748
            },
            "end": {
              "local": "2043-02-24T12:40:13+08:00",
              "utc": "2043-02-24T04:40:13Z",
              "ms": 2308365612713.748
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:40 on Mon 23 Feb to 05:58 on Tue 24 Feb.",
          "fact": "2043-02-22T21:39:46Z → 2043-02-23T21:58:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 23rd, 11:52–12:40 on the 24th.",
          "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 23rd and 0 of 48 on the 24th.",
          "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 21251 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Fuzhou, 2043: Monday 23 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": "2043-02-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Māghī Pūrṇimā 2043 falls on Monday 23 February. Pūrṇimā runs from 05:40 on Mon 23 Feb to 05:58 on Tue 24 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-02-27",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-02-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34475,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-02-27T10:04:00+08:00",
          "utc": "2043-02-27T02:04:00Z",
          "ms": 2308615439931.629
        },
        "end": {
          "local": "2043-02-28T12:22:24+08:00",
          "utc": "2043-02-28T04:22:24Z",
          "ms": 2308710144247.7563
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-02-27T10:04:00+08:00",
          "utc": "2043-02-27T02:04:00Z",
          "ms": 2308615439931.629
        },
        "end": {
          "local": "2043-02-28T12:22:24+08:00",
          "utc": "2043-02-28T04:22:24Z",
          "ms": 2308710144247.7563
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-02-27",
          "window": {
            "start": {
              "local": "2043-02-27T21:04:31+08:00",
              "utc": "2043-02-27T13:04:31Z",
              "ms": 2308655070708.079
            },
            "end": {
              "local": "2043-02-27T21:04:31+08:00",
              "utc": "2043-02-27T13:04:31Z",
              "ms": 2308655070708.079
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-02-28",
          "window": {
            "start": {
              "local": "2043-02-28T21:56:59+08:00",
              "utc": "2043-02-28T13:56:59Z",
              "ms": 2308744619124.124
            },
            "end": {
              "local": "2043-02-28T21:56:59+08:00",
              "utc": "2043-02-28T13:56:59Z",
              "ms": 2308744619124.124
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:04 on Fri 27 Feb to 12:22 on Sat 28 Feb.",
          "fact": "2043-02-27T02:04:00Z → 2043-02-28T04:22:24Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:05 on the 27th and 21:57 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34475 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Friday 27 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-02-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-02-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Friday 27 February. Caturthī runs from 10:04 on Fri 27 Feb to 12:22 on Sat 28 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-02-27",
      "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/2043/ekadashi?on=2043-03-07",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21959,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-03-07T00:15:08+08:00",
          "utc": "2043-03-06T16:15:08Z",
          "ms": 2309271308056.2817
        },
        "end": {
          "local": "2043-03-08T00:11:22+08:00",
          "utc": "2043-03-07T16:11:22Z",
          "ms": 2309357481556.276
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-07T00:15:08+08:00",
          "utc": "2043-03-06T16:15:08Z",
          "ms": 2309271308056.2817
        },
        "end": {
          "local": "2043-03-08T00:11:22+08:00",
          "utc": "2043-03-07T16:11:22Z",
          "ms": 2309357481556.276
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-03-07",
          "window": {
            "start": {
              "local": "2043-03-07T06:21:07+08:00",
              "utc": "2043-03-06T22:21:07Z",
              "ms": 2309293267409.277
            },
            "end": {
              "local": "2043-03-07T06:21:07+08:00",
              "utc": "2043-03-06T22:21:07Z",
              "ms": 2309293267409.277
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-03-08",
          "window": {
            "start": {
              "local": "2043-03-08T06:20:07+08:00",
              "utc": "2043-03-07T22:20:07Z",
              "ms": 2309379607270.7163
            },
            "end": {
              "local": "2043-03-08T06:20:07+08:00",
              "utc": "2043-03-07T22:20:07Z",
              "ms": 2309379607270.7163
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:15 on Sat 7 Mar to 00:11 on Sun 8 Mar.",
          "fact": "2043-03-06T16:15:08Z → 2043-03-07T16:11:22Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:21 on the 7th and 06:20 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21959 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Fuzhou, 2043: Saturday 7 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": "2043-03-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Ekādaśī 2043 falls on Saturday 7 March. Ekādaśī runs from 00:15 on Sat 7 Mar to 00:11 on Sun 8 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-03-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7144,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-03-09T21:50:02+08:00",
          "utc": "2043-03-09T13:50:02Z",
          "ms": 2309521802228.4033
        },
        "end": {
          "local": "2043-03-10T19:43:19+08:00",
          "utc": "2043-03-10T11:43:19Z",
          "ms": 2309600599384.292
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-09T21:50:02+08:00",
          "utc": "2043-03-09T13:50:02Z",
          "ms": 2309521802228.4033
        },
        "end": {
          "local": "2043-03-10T19:43:19+08:00",
          "utc": "2043-03-10T11:43:19Z",
          "ms": 2309600599384.292
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-03-09",
          "window": {
            "start": {
              "local": "2043-03-09T23:49:06+08:00",
              "utc": "2043-03-09T15:49:06Z",
              "ms": 2309528945918.343
            },
            "end": {
              "local": "2043-03-10T00:37:06+08:00",
              "utc": "2043-03-09T16:37:06Z",
              "ms": 2309531825918.343
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-03-10",
          "window": {
            "start": {
              "local": "2043-03-10T23:48:51+08:00",
              "utc": "2043-03-10T15:48:51Z",
              "ms": 2309615330735.795
            },
            "end": {
              "local": "2043-03-11T00:36:51+08:00",
              "utc": "2043-03-10T16:36:51Z",
              "ms": 2309618210735.795
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:50 on Mon 9 Mar to 19:43 on Tue 10 Mar.",
          "fact": "2043-03-09T13:50:02Z → 2043-03-10T11:43:19Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 9th, 23:49–00:37 on the 10th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 7144 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Fuzhou, 2043: Monday 9 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maha-shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day"
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "disputed",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāśivarātri 2043 falls on Monday 9 March. Caturdaśī runs from 21:50 on Mon 9 Mar to 19:43 on Tue 10 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-03-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7476,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-03-08T23:21:34+08:00",
          "utc": "2043-03-08T15:21:34Z",
          "ms": 2309440894443.578
        },
        "end": {
          "local": "2043-03-09T21:50:02+08:00",
          "utc": "2043-03-09T13:50:02Z",
          "ms": 2309521802228.4033
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-08T23:21:34+08:00",
          "utc": "2043-03-08T15:21:34Z",
          "ms": 2309440894443.578
        },
        "end": {
          "local": "2043-03-09T21:50:02+08:00",
          "utc": "2043-03-09T13:50:02Z",
          "ms": 2309521802228.4033
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-03-08",
          "window": {
            "start": {
              "local": "2043-03-08T18:07:35+08:00",
              "utc": "2043-03-08T10:07:35Z",
              "ms": 2309422054846.384
            },
            "end": {
              "local": "2043-03-08T19:45:07+08:00",
              "utc": "2043-03-08T11:45:07Z",
              "ms": 2309427907090.7476
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        },
        {
          "local_date": "2043-03-09",
          "window": {
            "start": {
              "local": "2043-03-09T18:08:06+08:00",
              "utc": "2043-03-09T10:08:06Z",
              "ms": 2309508486176.035
            },
            "end": {
              "local": "2043-03-09T19:45:26+08:00",
              "utc": "2043-03-09T11:45:26Z",
              "ms": 2309514326107.3174
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:22 on Sun 8 Mar to 21:50 on Mon 9 Mar.",
          "fact": "2043-03-08T15:21:34Z → 2043-03-09T13:50:02Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:45 on the 8th, 18:08–19:45 on the 9th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 8th and 97 of 97 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7476 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Monday 9 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": "2043-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Monday 9 March. Trayodaśī runs from 23:22 on Sun 8 Mar to 21:50 on Mon 9 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-03-09",
      "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/2043/vinayaka-chaturthi?on=2043-03-14",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13103,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-03-14T08:09:55+08:00",
          "utc": "2043-03-14T00:09:55Z",
          "ms": 2309904595452.0796
        },
        "end": {
          "local": "2043-03-15T05:11:37+08:00",
          "utc": "2043-03-14T21:11:37Z",
          "ms": 2309980297159.755
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-14T08:09:55+08:00",
          "utc": "2043-03-14T00:09:55Z",
          "ms": 2309904595452.0796
        },
        "end": {
          "local": "2043-03-15T05:11:37+08:00",
          "utc": "2043-03-14T21:11:37Z",
          "ms": 2309980297159.755
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-03-14",
          "window": {
            "start": {
              "local": "2043-03-14T11:48:18+08:00",
              "utc": "2043-03-14T03:48:18Z",
              "ms": 2309917698331.8096
            },
            "end": {
              "local": "2043-03-14T12:36:18+08:00",
              "utc": "2043-03-14T04:36:18Z",
              "ms": 2309920578331.8096
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-03-15",
          "window": {
            "start": {
              "local": "2043-03-15T11:48:02+08:00",
              "utc": "2043-03-15T03:48:02Z",
              "ms": 2310004081835.7017
            },
            "end": {
              "local": "2043-03-15T12:36:02+08:00",
              "utc": "2043-03-15T04:36:02Z",
              "ms": 2310006961835.7017
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:10 on Sat 14 Mar to 05:12 on Sun 15 Mar.",
          "fact": "2043-03-14T00:09:55Z → 2043-03-14T21:11:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 14th, 11:48–12:36 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13103 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Saturday 14 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": "2043-03-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Saturday 14 March. Caturthī runs from 08:10 on Sat 14 Mar to 05:12 on Sun 15 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-03-14",
      "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/2043/ekadashi?on=2043-03-21",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 41768,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-03-20T18:30:25+08:00",
          "utc": "2043-03-20T10:30:25Z",
          "ms": 2310460224934.326
        },
        "end": {
          "local": "2043-03-21T18:21:17+08:00",
          "utc": "2043-03-21T10:21:17Z",
          "ms": 2310546077421.9897
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-20T18:30:25+08:00",
          "utc": "2043-03-20T10:30:25Z",
          "ms": 2310460224934.326
        },
        "end": {
          "local": "2043-03-21T18:21:17+08:00",
          "utc": "2043-03-21T10:21:17Z",
          "ms": 2310546077421.9897
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-03-21",
          "window": {
            "start": {
              "local": "2043-03-21T06:06:33+08:00",
              "utc": "2043-03-20T22:06:33Z",
              "ms": 2310501993379.9487
            },
            "end": {
              "local": "2043-03-21T06:06:33+08:00",
              "utc": "2043-03-20T22:06:33Z",
              "ms": 2310501993379.9487
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-03-22",
          "window": {
            "start": {
              "local": "2043-03-22T06:05:29+08:00",
              "utc": "2043-03-21T22:05:29Z",
              "ms": 2310588329211.482
            },
            "end": {
              "local": "2043-03-22T06:05:29+08:00",
              "utc": "2043-03-21T22:05:29Z",
              "ms": 2310588329211.482
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:30 on Fri 20 Mar to 18:21 on Sat 21 Mar.",
          "fact": "2043-03-20T10:30:25Z → 2043-03-21T10:21:17Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:07 on the 21st and 06:05 on the 22nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 41768 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Fuzhou, 2043: Saturday 21 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": "2043-03-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Āmalakī Ekādaśī 2043 falls on Saturday 21 March. Ekādaśī runs from 18:30 on Fri 20 Mar to 18:21 on Sat 21 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-03-21",
      "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/2043/pradosha-vrata?on=2043-03-23",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-23",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1156,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-03-22T18:41:32+08:00",
          "utc": "2043-03-22T10:41:32Z",
          "ms": 2310633692018.8223
        },
        "end": {
          "local": "2043-03-23T19:30:10+08:00",
          "utc": "2043-03-23T11:30:10Z",
          "ms": 2310723010469.2803
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-22T18:41:32+08:00",
          "utc": "2043-03-22T10:41:32Z",
          "ms": 2310633692018.8223
        },
        "end": {
          "local": "2043-03-23T19:30:10+08:00",
          "utc": "2043-03-23T11:30:10Z",
          "ms": 2310723010469.2803
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-03-22",
          "window": {
            "start": {
              "local": "2043-03-22T18:14:32+08:00",
              "utc": "2043-03-22T10:14:32Z",
              "ms": 2310632071537.7334
            },
            "end": {
              "local": "2043-03-22T19:49:11+08:00",
              "utc": "2043-03-22T11:49:11Z",
              "ms": 2310637750660.6304
            }
          },
          "covered_min": 68,
          "window_min": 95,
          "qualifies": true
        },
        {
          "local_date": "2043-03-23",
          "window": {
            "start": {
              "local": "2043-03-23T18:15:00+08:00",
              "utc": "2043-03-23T10:15:00Z",
              "ms": 2310718499885.958
            },
            "end": {
              "local": "2043-03-23T19:49:27+08:00",
              "utc": "2043-03-23T11:49:27Z",
              "ms": 2310724166654.898
            }
          },
          "covered_min": 75,
          "window_min": 94,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:42 on Sun 22 Mar to 19:30 on Mon 23 Mar.",
          "fact": "2043-03-22T10:41:32Z → 2043-03-23T11:30:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:49 on the 22nd, 18:15–19:49 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 68 of 95 minutes on the 22nd and 75 of 94 on the 23rd.",
          "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 1156 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Monday 23 March.",
          "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": "2043-03-23",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Monday 23 March. Trayodaśī runs from 18:42 on Sun 22 Mar to 19:30 on Mon 23 Mar and covers 75 of 94 minutes of pradoṣa that evening. It also reaches the previous evening for 68 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/2043/pradosha-vrata?on=2043-03-23",
      "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/2043/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9019,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-03-24T20:45:47+08:00",
          "utc": "2043-03-24T12:45:47Z",
          "ms": 2310813947481.859
        },
        "end": {
          "local": "2043-03-25T22:26:22+08:00",
          "utc": "2043-03-25T14:26:22Z",
          "ms": 2310906381799.8696
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-24T20:45:47+08:00",
          "utc": "2043-03-24T12:45:47Z",
          "ms": 2310813947481.859
        },
        "end": {
          "local": "2043-03-25T22:26:22+08:00",
          "utc": "2043-03-25T14:26:22Z",
          "ms": 2310906381799.8696
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2043-03-24",
          "window": {
            "start": {
              "local": "2043-03-24T15:49:03+08:00",
              "utc": "2043-03-24T07:49:03Z",
              "ms": 2310796142630.5215
            },
            "end": {
              "local": "2043-03-24T18:15:28+08:00",
              "utc": "2043-03-24T10:15:28Z",
              "ms": 2310804928124.9
            }
          },
          "covered_min": 0,
          "window_min": 146,
          "qualifies": false
        },
        {
          "local_date": "2043-03-25",
          "window": {
            "start": {
              "local": "2043-03-25T15:49:12+08:00",
              "utc": "2043-03-25T07:49:12Z",
              "ms": 2310882552281.936
            },
            "end": {
              "local": "2043-03-25T18:15:56+08:00",
              "utc": "2043-03-25T10:15:56Z",
              "ms": 2310891356272.1147
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 20:46 on Tue 24 Mar to 22:26 on Wed 25 Mar.",
          "fact": "2043-03-24T12:45:47Z → 2043-03-25T14:26:22Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:15 on the 24th, 15:49–18:16 on the 25th.",
          "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 146 minutes on the 24th and 147 of 147 on the 25th.",
          "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 9019 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Fuzhou, 2043: Wednesday 25 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "holika-dahana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana."
          }
        ],
        "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.",
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Holikā Dahana 2043 falls on Wednesday 25 March. Pūrṇimā runs from 20:46 on Tue 24 Mar to 22:26 on Wed 25 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9019,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-03-24T20:45:47+08:00",
          "utc": "2043-03-24T12:45:47Z",
          "ms": 2310813947481.859
        },
        "end": {
          "local": "2043-03-25T22:26:22+08:00",
          "utc": "2043-03-25T14:26:22Z",
          "ms": 2310906381799.8696
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-24T20:45:47+08:00",
          "utc": "2043-03-24T12:45:47Z",
          "ms": 2310813947481.859
        },
        "end": {
          "local": "2043-03-25T22:26:22+08:00",
          "utc": "2043-03-25T14:26:22Z",
          "ms": 2310906381799.8696
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2043-03-24",
          "window": {
            "start": {
              "local": "2043-03-24T15:49:03+08:00",
              "utc": "2043-03-24T07:49:03Z",
              "ms": 2310796142630.5215
            },
            "end": {
              "local": "2043-03-24T18:15:28+08:00",
              "utc": "2043-03-24T10:15:28Z",
              "ms": 2310804928124.9
            }
          },
          "covered_min": 0,
          "window_min": 146,
          "qualifies": false
        },
        {
          "local_date": "2043-03-25",
          "window": {
            "start": {
              "local": "2043-03-25T15:49:12+08:00",
              "utc": "2043-03-25T07:49:12Z",
              "ms": 2310882552281.936
            },
            "end": {
              "local": "2043-03-25T18:15:56+08:00",
              "utc": "2043-03-25T10:15:56Z",
              "ms": 2310891356272.1147
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2043-03-25",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 20:46 on Tue 24 Mar to 22:26 on Wed 25 Mar.",
          "fact": "2043-03-24T12:45:47Z → 2043-03-25T14:26:22Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:15 on the 24th, 15:49–18:16 on the 25th.",
          "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 146 minutes on the 24th and 147 of 147 on the 25th.",
          "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 9019 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Wednesday 25 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Fuzhou, 2043: Thursday 26 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "holi",
        "follows": {
          "festival": "holika-dahana",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana."
          }
        ],
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Holī 2043 falls on Thursday 26 March. It is kept the day after Holikā Dahana, which falls on Wednesday 25 March. Pūrṇimā runs from 20:46 on Tue 24 Mar to 22:26 on Wed 25 Mar and covers all of sāyāhna on the 25th.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19871,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2043-03-25T22:26:22+08:00",
          "utc": "2043-03-25T14:26:22Z",
          "ms": 2310906381799.8696
        },
        "end": {
          "local": "2043-03-27T00:28:56+08:00",
          "utc": "2043-03-26T16:28:56Z",
          "ms": 2311000136321.8203
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-25T22:26:22+08:00",
          "utc": "2043-03-25T14:26:22Z",
          "ms": 2310906381799.8696
        },
        "end": {
          "local": "2043-03-27T00:28:56+08:00",
          "utc": "2043-03-26T16:28:56Z",
          "ms": 2311000136321.8203
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-03-26",
          "window": {
            "start": {
              "local": "2043-03-26T06:01:12+08:00",
              "utc": "2043-03-25T22:01:12Z",
              "ms": 2310933671993.1313
            },
            "end": {
              "local": "2043-03-26T06:01:12+08:00",
              "utc": "2043-03-25T22:01:12Z",
              "ms": 2310933671993.1313
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-03-27",
          "window": {
            "start": {
              "local": "2043-03-27T06:00:08+08:00",
              "utc": "2043-03-26T22:00:08Z",
              "ms": 2311020007697.658
            },
            "end": {
              "local": "2043-03-27T06:00:08+08:00",
              "utc": "2043-03-26T22:00:08Z",
              "ms": 2311020007697.658
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 22:26 on Wed 25 Mar to 00:29 on Fri 27 Mar.",
          "fact": "2043-03-25T14:26:22Z → 2043-03-26T16:28:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:01 on the 26th and 06:00 on the 27th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā 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: purvaviddha → only-day · margin 19871 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Fuzhou, 2043: Thursday 26 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": "2043-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasantotsava 2043 falls on Thursday 26 March. Pratipadā runs from 22:26 on Wed 25 Mar to 00:29 on Fri 27 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-03-29",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31105,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-03-29T05:20:59+08:00",
          "utc": "2043-03-28T21:20:59Z",
          "ms": 2311190458619.3267
        },
        "end": {
          "local": "2043-03-30T07:56:10+08:00",
          "utc": "2043-03-29T23:56:10Z",
          "ms": 2311286169691.9697
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-03-29T05:20:59+08:00",
          "utc": "2043-03-28T21:20:59Z",
          "ms": 2311190458619.3267
        },
        "end": {
          "local": "2043-03-30T07:56:10+08:00",
          "utc": "2043-03-29T23:56:10Z",
          "ms": 2311286169691.9697
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-03-28",
          "window": {
            "start": {
              "local": "2043-03-28T20:42:33+08:00",
              "utc": "2043-03-28T12:42:33Z",
              "ms": 2311159353197.094
            },
            "end": {
              "local": "2043-03-28T20:42:33+08:00",
              "utc": "2043-03-28T12:42:33Z",
              "ms": 2311159353197.094
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-03-29",
          "window": {
            "start": {
              "local": "2043-03-29T21:37:08+08:00",
              "utc": "2043-03-29T13:37:08Z",
              "ms": 2311249027793.7603
            },
            "end": {
              "local": "2043-03-29T21:37:08+08:00",
              "utc": "2043-03-29T13:37:08Z",
              "ms": 2311249027793.7603
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:21 on Sun 29 Mar to 07:56 on Mon 30 Mar.",
          "fact": "2043-03-28T21:20:59Z → 2043-03-29T23:56:10Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:43 on the 28th and 21:37 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31105 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Sunday 29 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": "2043-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Sunday 29 March. Caturthī runs from 05:21 on Sun 29 Mar to 07:56 on Mon 30 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-03-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6474,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-04-02T14:18:36+08:00",
          "utc": "2043-04-02T06:18:36Z",
          "ms": 2311568315971.284
        },
        "end": {
          "local": "2043-04-03T15:23:40+08:00",
          "utc": "2043-04-03T07:23:40Z",
          "ms": 2311658619602.3184
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-02T14:18:36+08:00",
          "utc": "2043-04-02T06:18:36Z",
          "ms": 2311568315971.284
        },
        "end": {
          "local": "2043-04-03T15:23:40+08:00",
          "utc": "2043-04-03T07:23:40Z",
          "ms": 2311658619602.3184
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-02",
          "window": {
            "start": {
              "local": "2043-04-02T11:42:42+08:00",
              "utc": "2043-04-02T03:42:42Z",
              "ms": 2311558962180.2266
            },
            "end": {
              "local": "2043-04-02T12:30:42+08:00",
              "utc": "2043-04-02T04:30:42Z",
              "ms": 2311561842180.2266
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-04-03",
          "window": {
            "start": {
              "local": "2043-04-03T11:42:25+08:00",
              "utc": "2043-04-03T03:42:25Z",
              "ms": 2311645344568.9307
            },
            "end": {
              "local": "2043-04-03T12:30:25+08:00",
              "utc": "2043-04-03T04:30:25Z",
              "ms": 2311648224568.9307
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 14:19 on Thu 2 Apr to 15:24 on Fri 3 Apr.",
          "fact": "2043-04-02T06:18:36Z → 2043-04-03T07:23:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:42–12:30 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 6474 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Fuzhou, 2043: Friday 3 April.",
          "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": "2043-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śītalāṣṭamī 2043 falls on Friday 3 April. Aṣṭamī runs from 14:19 on Thu 2 Apr to 15:24 on Fri 3 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-04-06",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29723,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-04-05T15:18:10+08:00",
          "utc": "2043-04-05T07:18:10Z",
          "ms": 2311831089761.1714
        },
        "end": {
          "local": "2043-04-06T14:04:56+08:00",
          "utc": "2043-04-06T06:04:56Z",
          "ms": 2311913095649.516
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-05T15:18:10+08:00",
          "utc": "2043-04-05T07:18:10Z",
          "ms": 2311831089761.1714
        },
        "end": {
          "local": "2043-04-06T14:04:56+08:00",
          "utc": "2043-04-06T06:04:56Z",
          "ms": 2311913095649.516
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-04-05",
          "window": {
            "start": {
              "local": "2043-04-05T05:50:35+08:00",
              "utc": "2043-04-04T21:50:35Z",
              "ms": 2311797035189.248
            },
            "end": {
              "local": "2043-04-05T05:50:35+08:00",
              "utc": "2043-04-04T21:50:35Z",
              "ms": 2311797035189.248
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-04-06",
          "window": {
            "start": {
              "local": "2043-04-06T05:49:33+08:00",
              "utc": "2043-04-05T21:49:33Z",
              "ms": 2311883372767.6714
            },
            "end": {
              "local": "2043-04-06T05:49:33+08:00",
              "utc": "2043-04-05T21:49:33Z",
              "ms": 2311883372767.6714
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:18 on Sun 5 Apr to 14:05 on Mon 6 Apr.",
          "fact": "2043-04-05T07:18:10Z → 2043-04-06T06:04:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:51 on the 5th and 05:50 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29723 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Fuzhou, 2043: Monday 6 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": "2043-04-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāpamocanī Ekādaśī 2043 falls on Monday 6 April. Ekādaśī runs from 15:18 on Sun 5 Apr to 14:05 on Mon 6 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-04-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/pradosha-vrata?on=2043-04-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22419,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-04-07T12:08:22+08:00",
          "utc": "2043-04-07T04:08:22Z",
          "ms": 2311992501915.601
        },
        "end": {
          "local": "2043-04-08T09:34:27+08:00",
          "utc": "2043-04-08T01:34:27Z",
          "ms": 2312069667494.1494
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-07T12:08:22+08:00",
          "utc": "2043-04-07T04:08:22Z",
          "ms": 2311992501915.601
        },
        "end": {
          "local": "2043-04-08T09:34:27+08:00",
          "utc": "2043-04-08T01:34:27Z",
          "ms": 2312069667494.1494
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-04-07",
          "window": {
            "start": {
              "local": "2043-04-07T18:22:01+08:00",
              "utc": "2043-04-07T10:22:01Z",
              "ms": 2312014921077.3105
            },
            "end": {
              "local": "2043-04-07T19:53:25+08:00",
              "utc": "2043-04-07T11:53:25Z",
              "ms": 2312020404794.4116
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        },
        {
          "local_date": "2043-04-08",
          "window": {
            "start": {
              "local": "2043-04-08T18:22:30+08:00",
              "utc": "2043-04-08T10:22:30Z",
              "ms": 2312101349507.455
            },
            "end": {
              "local": "2043-04-08T19:53:41+08:00",
              "utc": "2043-04-08T11:53:41Z",
              "ms": 2312106821254.894
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:08 on Tue 7 Apr to 09:34 on Wed 8 Apr.",
          "fact": "2043-04-07T04:08:22Z → 2043-04-08T01:34:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:53 on the 7th, 18:22–19:54 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 7th and 0 of 91 on the 8th.",
          "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 22419 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Tuesday 7 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": "2043-04-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Tuesday 7 April. Trayodaśī runs from 12:08 on Tue 7 Apr to 09:34 on Wed 8 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-04-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/shivaratri?on=2043-04-08",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21748,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-04-08T09:34:27+08:00",
          "utc": "2043-04-08T01:34:27Z",
          "ms": 2312069667494.1494
        },
        "end": {
          "local": "2043-04-09T06:30:57+08:00",
          "utc": "2043-04-08T22:30:57Z",
          "ms": 2312145056730.2505
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-08T09:34:27+08:00",
          "utc": "2043-04-08T01:34:27Z",
          "ms": 2312069667494.1494
        },
        "end": {
          "local": "2043-04-09T06:30:57+08:00",
          "utc": "2043-04-08T22:30:57Z",
          "ms": 2312145056730.2505
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-04-07",
          "window": {
            "start": {
              "local": "2043-04-07T23:40:45+08:00",
              "utc": "2043-04-07T15:40:45Z",
              "ms": 2312034045016.4395
            },
            "end": {
              "local": "2043-04-08T00:28:45+08:00",
              "utc": "2043-04-07T16:28:45Z",
              "ms": 2312036925016.4395
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-04-08",
          "window": {
            "start": {
              "local": "2043-04-08T23:40:29+08:00",
              "utc": "2043-04-08T15:40:29Z",
              "ms": 2312120428560.352
            },
            "end": {
              "local": "2043-04-09T00:28:29+08:00",
              "utc": "2043-04-08T16:28:29Z",
              "ms": 2312123308560.352
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 09:34 on Wed 8 Apr to 06:31 on Thu 9 Apr.",
          "fact": "2043-04-08T01:34:27Z → 2043-04-08T22:30:57Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 7th, 23:40–00:28 on the 8th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21748 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Wednesday 8 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": "2043-04-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Wednesday 8 April. Caturdaśī runs from 09:34 on Wed 8 Apr to 06:31 on Thu 9 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-04-08",
      "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/2043/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30825,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2043-04-10T03:06:42+08:00",
          "utc": "2043-04-09T19:06:42Z",
          "ms": 2312219202109.6587
        },
        "end": {
          "local": "2043-04-10T23:31:14+08:00",
          "utc": "2043-04-10T15:31:14Z",
          "ms": 2312292674226.246
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-10T03:06:42+08:00",
          "utc": "2043-04-09T19:06:42Z",
          "ms": 2312219202109.6587
        },
        "end": {
          "local": "2043-04-10T23:31:14+08:00",
          "utc": "2043-04-10T15:31:14Z",
          "ms": 2312292674226.246
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-10",
          "window": {
            "start": {
              "local": "2043-04-10T11:40:27+08:00",
              "utc": "2043-04-10T03:40:27Z",
              "ms": 2312250026668.795
            },
            "end": {
              "local": "2043-04-10T12:28:27+08:00",
              "utc": "2043-04-10T04:28:27Z",
              "ms": 2312252906668.795
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-04-11",
          "window": {
            "start": {
              "local": "2043-04-11T11:40:11+08:00",
              "utc": "2043-04-11T03:40:11Z",
              "ms": 2312336410779.25
            },
            "end": {
              "local": "2043-04-11T12:28:11+08:00",
              "utc": "2043-04-11T04:28:11Z",
              "ms": 2312339290779.25
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 03:07 on Fri 10 Apr to 23:31 on Fri 10 Apr.",
          "fact": "2043-04-09T19:06:42Z → 2043-04-10T15:31:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 10th, 11:40–12:28 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30825 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Fuzhou, 2043: Friday 10 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha-caitra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 2043 falls on Friday 10 April. Pratipadā runs from 03:07 on Fri 10 Apr to 23:31 on Fri 10 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14257,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2043-04-11T19:54:18+08:00",
          "utc": "2043-04-11T11:54:18Z",
          "ms": 2312366057938.749
        },
        "end": {
          "local": "2043-04-12T16:25:32+08:00",
          "utc": "2043-04-12T08:25:32Z",
          "ms": 2312439931859.744
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-11T19:54:18+08:00",
          "utc": "2043-04-11T11:54:18Z",
          "ms": 2312366057938.749
        },
        "end": {
          "local": "2043-04-12T16:25:32+08:00",
          "utc": "2043-04-12T08:25:32Z",
          "ms": 2312439931859.744
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-11",
          "window": {
            "start": {
              "local": "2043-04-11T11:40:11+08:00",
              "utc": "2043-04-11T03:40:11Z",
              "ms": 2312336410779.25
            },
            "end": {
              "local": "2043-04-11T12:28:11+08:00",
              "utc": "2043-04-11T04:28:11Z",
              "ms": 2312339290779.25
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-04-12",
          "window": {
            "start": {
              "local": "2043-04-12T11:39:55+08:00",
              "utc": "2043-04-12T03:39:55Z",
              "ms": 2312422795166.742
            },
            "end": {
              "local": "2043-04-12T12:27:55+08:00",
              "utc": "2043-04-12T04:27:55Z",
              "ms": 2312425675166.742
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 19:54 on Sat 11 Apr to 16:26 on Sun 12 Apr.",
          "fact": "2043-04-11T11:54:18Z → 2043-04-12T08:25:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 11th, 11:40–12:28 on the 12th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14257 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Fuzhou, 2043: Sunday 12 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gauri-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-04-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 2043 falls on Sunday 12 April. Tṛtīyā runs from 19:54 on Sat 11 Apr to 16:26 on Sun 12 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14257,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2043-04-11T19:54:18+08:00",
          "utc": "2043-04-11T11:54:18Z",
          "ms": 2312366057938.749
        },
        "end": {
          "local": "2043-04-12T16:25:32+08:00",
          "utc": "2043-04-12T08:25:32Z",
          "ms": 2312439931859.744
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-11T19:54:18+08:00",
          "utc": "2043-04-11T11:54:18Z",
          "ms": 2312366057938.749
        },
        "end": {
          "local": "2043-04-12T16:25:32+08:00",
          "utc": "2043-04-12T08:25:32Z",
          "ms": 2312439931859.744
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-11",
          "window": {
            "start": {
              "local": "2043-04-11T11:40:11+08:00",
              "utc": "2043-04-11T03:40:11Z",
              "ms": 2312336410779.25
            },
            "end": {
              "local": "2043-04-11T12:28:11+08:00",
              "utc": "2043-04-11T04:28:11Z",
              "ms": 2312339290779.25
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-04-12",
          "window": {
            "start": {
              "local": "2043-04-12T11:39:55+08:00",
              "utc": "2043-04-12T03:39:55Z",
              "ms": 2312422795166.742
            },
            "end": {
              "local": "2043-04-12T12:27:55+08:00",
              "utc": "2043-04-12T04:27:55Z",
              "ms": 2312425675166.742
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 19:54 on Sat 11 Apr to 16:26 on Sun 12 Apr.",
          "fact": "2043-04-11T11:54:18Z → 2043-04-12T08:25:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 11th, 11:40–12:28 on the 12th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14257 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Fuzhou, 2043: Sunday 12 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "saubhagya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-04-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saubhāgya Śayana Vrata 2043 falls on Sunday 12 April. Tṛtīyā runs from 19:54 on Sat 11 Apr to 16:26 on Sun 12 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vinayaka-chaturthi?on=2043-04-13",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2788,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-04-12T16:25:32+08:00",
          "utc": "2043-04-12T08:25:32Z",
          "ms": 2312439931859.744
        },
        "end": {
          "local": "2043-04-13T13:14:08+08:00",
          "utc": "2043-04-13T05:14:08Z",
          "ms": 2312514847886.16
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-12T16:25:32+08:00",
          "utc": "2043-04-12T08:25:32Z",
          "ms": 2312439931859.744
        },
        "end": {
          "local": "2043-04-13T13:14:08+08:00",
          "utc": "2043-04-13T05:14:08Z",
          "ms": 2312514847886.16
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-12",
          "window": {
            "start": {
              "local": "2043-04-12T11:39:55+08:00",
              "utc": "2043-04-12T03:39:55Z",
              "ms": 2312422795166.742
            },
            "end": {
              "local": "2043-04-12T12:27:55+08:00",
              "utc": "2043-04-12T04:27:55Z",
              "ms": 2312425675166.742
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-04-13",
          "window": {
            "start": {
              "local": "2043-04-13T11:39:40+08:00",
              "utc": "2043-04-13T03:39:40Z",
              "ms": 2312509179843.1606
            },
            "end": {
              "local": "2043-04-13T12:27:40+08:00",
              "utc": "2043-04-13T04:27:40Z",
              "ms": 2312512059843.1606
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:26 on Sun 12 Apr to 13:14 on Mon 13 Apr.",
          "fact": "2043-04-12T08:25:32Z → 2043-04-13T05:14:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 12th, 11:40–12:28 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2788 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Monday 13 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": "2043-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Monday 13 April. Caturthī runs from 16:26 on Sun 12 Apr to 13:14 on Mon 13 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-04-13",
      "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/2043/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33554,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2043-04-14T20:21:15+08:00",
          "utc": "2043-04-14T12:21:15Z",
          "ms": 2312626875014.6494
        },
        "end": {
          "local": "2043-05-15T17:11:17+08:00",
          "utc": "2043-05-15T09:11:17Z",
          "ms": 2315293876588.871
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2043-04-14T20:21:15+08:00",
          "utc": "2043-04-14T12:21:15Z",
          "ms": 2312626875014.6494
        },
        "end": {
          "local": "2043-04-14T20:21:15+08:00",
          "utc": "2043-04-14T12:21:15Z",
          "ms": 2312626875014.6494
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2043-04-14",
          "window": {
            "start": {
              "local": "2043-04-14T05:41:27+08:00",
              "utc": "2043-04-13T21:41:27Z",
              "ms": 2312574087430.4434
            },
            "end": {
              "local": "2043-04-15T05:40:29+08:00",
              "utc": "2043-04-14T21:40:29Z",
              "ms": 2312660428854.3755
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        },
        {
          "local_date": "2043-04-15",
          "window": {
            "start": {
              "local": "2043-04-15T05:40:29+08:00",
              "utc": "2043-04-14T21:40:29Z",
              "ms": 2312660428854.3755
            },
            "end": {
              "local": "2043-04-16T05:39:31+08:00",
              "utc": "2043-04-15T21:39:31Z",
              "ms": 2312746770819.59
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 20:21 on Tue 14 Apr.",
          "fact": "2043-04-14T12:21:15Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:41 on the 14th, and from 05:40 on the 15th.",
          "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 14th, not the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunrise → only-day · margin 33554 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Fuzhou, 2043: Tuesday 14 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": "2043-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2043-04-14",
          "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": "2043-04-15",
          "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 2043 falls on Tuesday 14 April. The Sun enters Meṣa at 20:21 on Tue 14 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 15 April.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2788,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2043-04-13T13:14:08+08:00",
          "utc": "2043-04-13T05:14:08Z",
          "ms": 2312514847886.16
        },
        "end": {
          "local": "2043-04-14T10:28:28+08:00",
          "utc": "2043-04-14T02:28:28Z",
          "ms": 2312591308092.387
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-13T13:14:08+08:00",
          "utc": "2043-04-13T05:14:08Z",
          "ms": 2312514847886.16
        },
        "end": {
          "local": "2043-04-14T10:28:28+08:00",
          "utc": "2043-04-14T02:28:28Z",
          "ms": 2312591308092.387
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-13",
          "window": {
            "start": {
              "local": "2043-04-13T11:39:40+08:00",
              "utc": "2043-04-13T03:39:40Z",
              "ms": 2312509179843.1606
            },
            "end": {
              "local": "2043-04-13T12:27:40+08:00",
              "utc": "2043-04-13T04:27:40Z",
              "ms": 2312512059843.1606
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-04-14",
          "window": {
            "start": {
              "local": "2043-04-14T11:39:25+08:00",
              "utc": "2043-04-14T03:39:25Z",
              "ms": 2312595564820.963
            },
            "end": {
              "local": "2043-04-14T12:27:25+08:00",
              "utc": "2043-04-14T04:27:25Z",
              "ms": 2312598444820.963
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 13:14 on Mon 13 Apr to 10:28 on Tue 14 Apr.",
          "fact": "2043-04-13T05:14:08Z → 2043-04-14T02:28:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 13th, 11:39–12:27 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 2788 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Fuzhou, 2043: Tuesday 14 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "lakshmi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pañcamī 2043 falls on Tuesday 14 April. Pañcamī runs from 13:14 on Mon 13 Apr to 10:28 on Tue 14 Apr, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17879,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-04-16T06:40:57+08:00",
          "utc": "2043-04-15T22:40:57Z",
          "ms": 2312750456759.924
        },
        "end": {
          "local": "2043-04-17T05:47:31+08:00",
          "utc": "2043-04-16T21:47:31Z",
          "ms": 2312833651398.2847
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-16T06:40:57+08:00",
          "utc": "2043-04-15T22:40:57Z",
          "ms": 2312750456759.924
        },
        "end": {
          "local": "2043-04-17T05:47:31+08:00",
          "utc": "2043-04-16T21:47:31Z",
          "ms": 2312833651398.2847
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-16",
          "window": {
            "start": {
              "local": "2043-04-16T11:38:56+08:00",
              "utc": "2043-04-16T03:38:56Z",
              "ms": 2312768335734.6816
            },
            "end": {
              "local": "2043-04-16T12:26:56+08:00",
              "utc": "2043-04-16T04:26:56Z",
              "ms": 2312771215734.6816
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-04-17",
          "window": {
            "start": {
              "local": "2043-04-17T11:38:42+08:00",
              "utc": "2043-04-17T03:38:42Z",
              "ms": 2312854721699.5645
            },
            "end": {
              "local": "2043-04-17T12:26:42+08:00",
              "utc": "2043-04-17T04:26:42Z",
              "ms": 2312857601699.5645
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 06:41 on Thu 16 Apr to 05:48 on Fri 17 Apr.",
          "fact": "2043-04-15T22:40:57Z → 2043-04-16T21:47:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 17879 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Fuzhou, 2043: Thursday 16 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-04-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhavānī Utpatti 2043 falls on Thursday 16 April. Aṣṭamī runs from 06:41 on Thu 16 Apr to 05:48 on Fri 17 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21070,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2043-04-17T05:47:31+08:00",
          "utc": "2043-04-16T21:47:31Z",
          "ms": 2312833651398.2847
        },
        "end": {
          "local": "2043-04-18T05:35:58+08:00",
          "utc": "2043-04-17T21:35:58Z",
          "ms": 2312919357959.308
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-17T05:47:31+08:00",
          "utc": "2043-04-16T21:47:31Z",
          "ms": 2312833651398.2847
        },
        "end": {
          "local": "2043-04-18T05:35:58+08:00",
          "utc": "2043-04-17T21:35:58Z",
          "ms": 2312919357959.308
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-17",
          "window": {
            "start": {
              "local": "2043-04-17T11:38:42+08:00",
              "utc": "2043-04-17T03:38:42Z",
              "ms": 2312854721699.5645
            },
            "end": {
              "local": "2043-04-17T12:26:42+08:00",
              "utc": "2043-04-17T04:26:42Z",
              "ms": 2312857601699.5645
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-04-18",
          "window": {
            "start": {
              "local": "2043-04-18T11:38:28+08:00",
              "utc": "2043-04-18T03:38:28Z",
              "ms": 2312941108023.41
            },
            "end": {
              "local": "2043-04-18T12:26:28+08:00",
              "utc": "2043-04-18T04:26:28Z",
              "ms": 2312943988023.41
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 05:48 on Fri 17 Apr to 05:36 on Sat 18 Apr.",
          "fact": "2043-04-16T21:47:31Z → 2043-04-17T21:35:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:38–12:26 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21070 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Fuzhou, 2043: Friday 17 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": "2043-04-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāma Navamī 2043 falls on Friday 17 April. Navamī runs from 05:48 on Fri 17 Apr to 05:36 on Sat 18 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-04-20",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1661,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-04-19T06:04:21+08:00",
          "utc": "2043-04-18T22:04:21Z",
          "ms": 2313007461425.9995
        },
        "end": {
          "local": "2043-04-20T07:08:36+08:00",
          "utc": "2043-04-19T23:08:36Z",
          "ms": 2313097715804.5137
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-19T06:04:21+08:00",
          "utc": "2043-04-18T22:04:21Z",
          "ms": 2313007461425.9995
        },
        "end": {
          "local": "2043-04-20T07:08:36+08:00",
          "utc": "2043-04-19T23:08:36Z",
          "ms": 2313097715804.5137
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-04-19",
          "window": {
            "start": {
              "local": "2043-04-19T05:36:40+08:00",
              "utc": "2043-04-18T21:36:40Z",
              "ms": 2313005800212.527
            },
            "end": {
              "local": "2043-04-19T05:36:40+08:00",
              "utc": "2043-04-18T21:36:40Z",
              "ms": 2313005800212.527
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-04-20",
          "window": {
            "start": {
              "local": "2043-04-20T05:35:45+08:00",
              "utc": "2043-04-19T21:35:45Z",
              "ms": 2313092144594.0117
            },
            "end": {
              "local": "2043-04-20T05:35:45+08:00",
              "utc": "2043-04-19T21:35:45Z",
              "ms": 2313092144594.0117
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:04 on Sun 19 Apr to 07:09 on Mon 20 Apr.",
          "fact": "2043-04-18T22:04:21Z → 2043-04-19T23:08:36Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:37 on the 19th and 05:36 on the 20th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is 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 1661 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Fuzhou, 2043: Monday 20 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": "2043-04-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmadā Ekādaśī 2043 falls on Monday 20 April. Ekādaśī runs from 06:04 on Sun 19 Apr to 07:09 on Mon 20 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-04-20",
      "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/2043/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3382,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-04-21T08:43:02+08:00",
          "utc": "2043-04-21T00:43:02Z",
          "ms": 2313189782276.8438
        },
        "end": {
          "local": "2043-04-22T10:41:15+08:00",
          "utc": "2043-04-22T02:41:15Z",
          "ms": 2313283275085.444
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-21T08:43:02+08:00",
          "utc": "2043-04-21T00:43:02Z",
          "ms": 2313189782276.8438
        },
        "end": {
          "local": "2043-04-22T10:41:15+08:00",
          "utc": "2043-04-22T02:41:15Z",
          "ms": 2313283275085.444
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-21",
          "window": {
            "start": {
              "local": "2043-04-21T11:37:49+08:00",
              "utc": "2043-04-21T03:37:49Z",
              "ms": 2313200269305.294
            },
            "end": {
              "local": "2043-04-21T12:25:49+08:00",
              "utc": "2043-04-21T04:25:49Z",
              "ms": 2313203149305.294
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-04-22",
          "window": {
            "start": {
              "local": "2043-04-22T11:37:37+08:00",
              "utc": "2043-04-22T03:37:37Z",
              "ms": 2313286657221.496
            },
            "end": {
              "local": "2043-04-22T12:25:37+08:00",
              "utc": "2043-04-22T04:25:37Z",
              "ms": 2313289537221.496
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:43 on Tue 21 Apr to 10:41 on Wed 22 Apr.",
          "fact": "2043-04-21T00:43:02Z → 2043-04-22T02:41:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 21st, 11:38–12:26 on the 22nd.",
          "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 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: purvaviddha → only-day · margin 3382 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Fuzhou, 2043: Tuesday 21 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": "2043-04-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-21",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Anaṅga Trayodaśī 2043 falls on Tuesday 21 April. Trayodaśī runs from 08:43 on Tue 21 Apr to 10:41 on Wed 22 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-04-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28084,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-04-21T08:43:02+08:00",
          "utc": "2043-04-21T00:43:02Z",
          "ms": 2313189782276.8438
        },
        "end": {
          "local": "2043-04-22T10:41:15+08:00",
          "utc": "2043-04-22T02:41:15Z",
          "ms": 2313283275085.444
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-21T08:43:02+08:00",
          "utc": "2043-04-21T00:43:02Z",
          "ms": 2313189782276.8438
        },
        "end": {
          "local": "2043-04-22T10:41:15+08:00",
          "utc": "2043-04-22T02:41:15Z",
          "ms": 2313283275085.444
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-04-21",
          "window": {
            "start": {
              "local": "2043-04-21T18:28:49+08:00",
              "utc": "2043-04-21T10:28:49Z",
              "ms": 2313224928967.1465
            },
            "end": {
              "local": "2043-04-21T19:57:30+08:00",
              "utc": "2043-04-21T11:57:30Z",
              "ms": 2313230249823.0513
            }
          },
          "covered_min": 89,
          "window_min": 89,
          "qualifies": true
        },
        {
          "local_date": "2043-04-22",
          "window": {
            "start": {
              "local": "2043-04-22T18:29:19+08:00",
              "utc": "2043-04-22T10:29:19Z",
              "ms": 2313311359056.5586
            },
            "end": {
              "local": "2043-04-22T19:57:49+08:00",
              "utc": "2043-04-22T11:57:49Z",
              "ms": 2313316668762.154
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:43 on Tue 21 Apr to 10:41 on Wed 22 Apr.",
          "fact": "2043-04-21T00:43:02Z → 2043-04-22T02:41:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–19:57 on the 21st, 18:29–19:58 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 21st and 0 of 88 on the 22nd.",
          "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 28084 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Tuesday 21 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": "2043-04-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Tuesday 21 April. Trayodaśī runs from 08:43 on Tue 21 Apr to 10:41 on Wed 22 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-04-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1876,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-04-22T10:41:15+08:00",
          "utc": "2043-04-22T02:41:15Z",
          "ms": 2313283275085.444
        },
        "end": {
          "local": "2043-04-23T12:56:42+08:00",
          "utc": "2043-04-23T04:56:42Z",
          "ms": 2313377801583.8315
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-22T10:41:15+08:00",
          "utc": "2043-04-22T02:41:15Z",
          "ms": 2313283275085.444
        },
        "end": {
          "local": "2043-04-23T12:56:42+08:00",
          "utc": "2043-04-23T04:56:42Z",
          "ms": 2313377801583.8315
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-22",
          "window": {
            "start": {
              "local": "2043-04-22T11:37:37+08:00",
              "utc": "2043-04-22T03:37:37Z",
              "ms": 2313286657221.496
            },
            "end": {
              "local": "2043-04-22T12:25:37+08:00",
              "utc": "2043-04-22T04:25:37Z",
              "ms": 2313289537221.496
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-04-23",
          "window": {
            "start": {
              "local": "2043-04-23T11:37:26+08:00",
              "utc": "2043-04-23T03:37:26Z",
              "ms": 2313373045574.395
            },
            "end": {
              "local": "2043-04-23T12:25:26+08:00",
              "utc": "2043-04-23T04:25:26Z",
              "ms": 2313375925574.395
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:41 on Wed 22 Apr to 12:57 on Thu 23 Apr.",
          "fact": "2043-04-22T02:41:15Z → 2043-04-23T04:56:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 22nd, 11:37–12:25 on the 23rd.",
          "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 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 1876 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 2043: Thursday 23 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": "2043-04-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-23",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 2043 falls on Thursday 23 April. Caturdaśī runs from 10:41 on Wed 22 Apr to 12:57 on Thu 23 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1876,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-04-23T12:56:42+08:00",
          "utc": "2043-04-23T04:56:42Z",
          "ms": 2313377801583.8315
        },
        "end": {
          "local": "2043-04-24T15:23:05+08:00",
          "utc": "2043-04-24T07:23:05Z",
          "ms": 2313472985468.1987
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-23T12:56:42+08:00",
          "utc": "2043-04-23T04:56:42Z",
          "ms": 2313377801583.8315
        },
        "end": {
          "local": "2043-04-24T15:23:05+08:00",
          "utc": "2043-04-24T07:23:05Z",
          "ms": 2313472985468.1987
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-04-23",
          "window": {
            "start": {
              "local": "2043-04-23T11:37:26+08:00",
              "utc": "2043-04-23T03:37:26Z",
              "ms": 2313373045574.395
            },
            "end": {
              "local": "2043-04-23T12:25:26+08:00",
              "utc": "2043-04-23T04:25:26Z",
              "ms": 2313375925574.395
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-04-24",
          "window": {
            "start": {
              "local": "2043-04-24T11:37:14+08:00",
              "utc": "2043-04-24T03:37:14Z",
              "ms": 2313459434378.818
            },
            "end": {
              "local": "2043-04-24T12:25:14+08:00",
              "utc": "2043-04-24T04:25:14Z",
              "ms": 2313462314378.818
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 12:57 on Thu 23 Apr to 15:23 on Fri 24 Apr.",
          "fact": "2043-04-23T04:56:42Z → 2043-04-24T07:23:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 23rd, 11:37–12:25 on the 24th.",
          "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 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 1876 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Fuzhou, 2043: Friday 24 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": "2043-04-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Caitrī Pūrṇimā 2043 falls on Friday 24 April. Pūrṇimā runs from 12:57 on Thu 23 Apr to 15:23 on Fri 24 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-04-28",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5171,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-04-27T22:48:26+08:00",
          "utc": "2043-04-27T14:48:26Z",
          "ms": 2313758906049.101
        },
        "end": {
          "local": "2043-04-29T00:58:05+08:00",
          "utc": "2043-04-28T16:58:05Z",
          "ms": 2313853085198.864
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-04-27T22:48:26+08:00",
          "utc": "2043-04-27T14:48:26Z",
          "ms": 2313758906049.101
        },
        "end": {
          "local": "2043-04-29T00:58:05+08:00",
          "utc": "2043-04-28T16:58:05Z",
          "ms": 2313853085198.864
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-04-27",
          "window": {
            "start": {
              "local": "2043-04-27T21:22:15+08:00",
              "utc": "2043-04-27T13:22:15Z",
              "ms": 2313753735381.275
            },
            "end": {
              "local": "2043-04-27T21:22:15+08:00",
              "utc": "2043-04-27T13:22:15Z",
              "ms": 2313753735381.275
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-04-28",
          "window": {
            "start": {
              "local": "2043-04-28T22:17:36+08:00",
              "utc": "2043-04-28T14:17:36Z",
              "ms": 2313843456032.4946
            },
            "end": {
              "local": "2043-04-28T22:17:36+08:00",
              "utc": "2043-04-28T14:17:36Z",
              "ms": 2313843456032.4946
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:48 on Mon 27 Apr to 00:58 on Wed 29 Apr.",
          "fact": "2043-04-27T14:48:26Z → 2043-04-28T16:58:05Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:22 on the 27th and 22:18 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5171 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Tuesday 28 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": "2043-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-04-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Tuesday 28 April. Caturthī runs from 22:48 on Mon 27 Apr to 00:58 on Wed 29 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-04-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/ekadashi?on=2043-05-05",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9118,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-05-05T02:51:26+08:00",
          "utc": "2043-05-04T18:51:26Z",
          "ms": 2314378286281.929
        },
        "end": {
          "local": "2043-05-06T00:44:54+08:00",
          "utc": "2043-05-05T16:44:54Z",
          "ms": 2314457094219.388
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-05T02:51:26+08:00",
          "utc": "2043-05-04T18:51:26Z",
          "ms": 2314378286281.929
        },
        "end": {
          "local": "2043-05-06T00:44:54+08:00",
          "utc": "2043-05-05T16:44:54Z",
          "ms": 2314457094219.388
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-05-05",
          "window": {
            "start": {
              "local": "2043-05-05T05:23:24+08:00",
              "utc": "2043-05-04T21:23:24Z",
              "ms": 2314387404483.5815
            },
            "end": {
              "local": "2043-05-05T05:23:24+08:00",
              "utc": "2043-05-04T21:23:24Z",
              "ms": 2314387404483.5815
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-05-06",
          "window": {
            "start": {
              "local": "2043-05-06T05:22:43+08:00",
              "utc": "2043-05-05T21:22:43Z",
              "ms": 2314473762500.6562
            },
            "end": {
              "local": "2043-05-06T05:22:43+08:00",
              "utc": "2043-05-05T21:22:43Z",
              "ms": 2314473762500.6562
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:51 on Tue 5 May to 00:45 on Wed 6 May.",
          "fact": "2043-05-04T18:51:26Z → 2043-05-05T16:44:54Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:23 on the 5th and 05:23 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9118 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Fuzhou, 2043: Tuesday 5 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": "2043-05-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Varūthinī Ekādaśī 2043 falls on Tuesday 5 May. Ekādaśī runs from 02:51 on Tue 5 May to 00:45 on Wed 6 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-05-05",
      "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/2043/pradosha-vrata?on=2043-05-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 561,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-05-06T22:00:58+08:00",
          "utc": "2043-05-06T14:00:58Z",
          "ms": 2314533657623.8975
        },
        "end": {
          "local": "2043-05-07T18:46:31+08:00",
          "utc": "2043-05-07T10:46:31Z",
          "ms": 2314608390528.295
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-06T22:00:58+08:00",
          "utc": "2043-05-06T14:00:58Z",
          "ms": 2314533657623.8975
        },
        "end": {
          "local": "2043-05-07T18:46:31+08:00",
          "utc": "2043-05-07T10:46:31Z",
          "ms": 2314608390528.295
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-05-06",
          "window": {
            "start": {
              "local": "2043-05-06T18:36:37+08:00",
              "utc": "2043-05-06T10:36:37Z",
              "ms": 2314521397074.638
            },
            "end": {
              "local": "2043-05-06T20:02:40+08:00",
              "utc": "2043-05-06T12:02:40Z",
              "ms": 2314526560339.007
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        },
        {
          "local_date": "2043-05-07",
          "window": {
            "start": {
              "local": "2043-05-07T18:37:09+08:00",
              "utc": "2043-05-07T10:37:09Z",
              "ms": 2314607829433.309
            },
            "end": {
              "local": "2043-05-07T20:03:03+08:00",
              "utc": "2043-05-07T12:03:03Z",
              "ms": 2314612983064.808
            }
          },
          "covered_min": 9,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:01 on Wed 6 May to 18:47 on Thu 7 May.",
          "fact": "2043-05-06T14:00:58Z → 2043-05-07T10:46:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:03 on the 6th, 18:37–20:03 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 6th and 9 of 86 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 561 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Thursday 7 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": "2043-05-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Thursday 7 May. Trayodaśī runs from 22:01 on Wed 6 May to 18:47 on Thu 7 May and covers 9 of 86 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-05-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/shivaratri?on=2043-05-07",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17325,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-05-07T18:46:31+08:00",
          "utc": "2043-05-07T10:46:31Z",
          "ms": 2314608390528.295
        },
        "end": {
          "local": "2043-05-08T15:10:04+08:00",
          "utc": "2043-05-08T07:10:04Z",
          "ms": 2314681803999.3438
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-07T18:46:31+08:00",
          "utc": "2043-05-07T10:46:31Z",
          "ms": 2314608390528.295
        },
        "end": {
          "local": "2043-05-08T15:10:04+08:00",
          "utc": "2043-05-08T07:10:04Z",
          "ms": 2314681803999.3438
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-05-07",
          "window": {
            "start": {
              "local": "2043-05-07T23:35:16+08:00",
              "utc": "2043-05-07T15:35:16Z",
              "ms": 2314625715551.4307
            },
            "end": {
              "local": "2043-05-08T00:23:16+08:00",
              "utc": "2043-05-07T16:23:16Z",
              "ms": 2314628595551.4307
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-05-08",
          "window": {
            "start": {
              "local": "2043-05-08T23:35:12+08:00",
              "utc": "2043-05-08T15:35:12Z",
              "ms": 2314712112366.592
            },
            "end": {
              "local": "2043-05-09T00:23:12+08:00",
              "utc": "2043-05-08T16:23:12Z",
              "ms": 2314714992366.592
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:47 on Thu 7 May to 15:10 on Fri 8 May.",
          "fact": "2043-05-07T10:46:31Z → 2043-05-08T07:10:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 7th, 23:35–00:23 on the 8th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17325 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Thursday 7 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": "2043-05-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Thursday 7 May. Caturdaśī runs from 18:47 on Thu 7 May to 15:10 on Fri 8 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-05-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5451,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2043-05-11T03:48:38+08:00",
          "utc": "2043-05-10T19:48:38Z",
          "ms": 2314900117962.6235
        },
        "end": {
          "local": "2043-05-12T00:26:04+08:00",
          "utc": "2043-05-11T16:26:04Z",
          "ms": 2314974363749.6157
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-11T03:48:38+08:00",
          "utc": "2043-05-10T19:48:38Z",
          "ms": 2314900117962.6235
        },
        "end": {
          "local": "2043-05-12T00:26:04+08:00",
          "utc": "2043-05-11T16:26:04Z",
          "ms": 2314974363749.6157
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2043-05-11",
          "window": {
            "start": {
              "local": "2043-05-11T05:19:28+08:00",
              "utc": "2043-05-10T21:19:28Z",
              "ms": 2314905568470.1865
            },
            "end": {
              "local": "2043-05-11T09:46:06+08:00",
              "utc": "2043-05-11T01:46:06Z",
              "ms": 2314921565506.849
            }
          },
          "covered_min": 267,
          "window_min": 267,
          "qualifies": true
        },
        {
          "local_date": "2043-05-12",
          "window": {
            "start": {
              "local": "2043-05-12T05:18:53+08:00",
              "utc": "2043-05-11T21:18:53Z",
              "ms": 2314991932930.764
            },
            "end": {
              "local": "2043-05-12T09:45:53+08:00",
              "utc": "2043-05-12T01:45:53Z",
              "ms": 2315007952685.1636
            }
          },
          "covered_min": 0,
          "window_min": 267,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 03:49 on Mon 11 May to 00:26 on Tue 12 May.",
          "fact": "2043-05-10T19:48:38Z → 2043-05-11T16:26:04Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:19–09:46 on the 11th, 05:19–09:46 on the 12th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 267 of 267 minutes on the 11th and 0 of 267 on the 12th.",
          "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 5451 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Fuzhou, 2043: Monday 11 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.",
        "kaala": "purvahna",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-05-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Tṛtīyā 2043 falls on Monday 11 May. Tṛtīyā runs from 03:49 on Mon 11 May to 00:26 on Tue 12 May and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15688,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2043-05-11T03:48:38+08:00",
          "utc": "2043-05-10T19:48:38Z",
          "ms": 2314900117962.6235
        },
        "end": {
          "local": "2043-05-12T00:26:04+08:00",
          "utc": "2043-05-11T16:26:04Z",
          "ms": 2314974363749.6157
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-11T03:48:38+08:00",
          "utc": "2043-05-10T19:48:38Z",
          "ms": 2314900117962.6235
        },
        "end": {
          "local": "2043-05-12T00:26:04+08:00",
          "utc": "2043-05-11T16:26:04Z",
          "ms": 2314974363749.6157
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-05-10",
          "window": {
            "start": {
              "local": "2043-05-10T18:38:47+08:00",
              "utc": "2043-05-10T10:38:47Z",
              "ms": 2314867126976.114
            },
            "end": {
              "local": "2043-05-10T20:04:13+08:00",
              "utc": "2043-05-10T12:04:13Z",
              "ms": 2314872252508.6567
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "2043-05-11",
          "window": {
            "start": {
              "local": "2043-05-11T18:39:20+08:00",
              "utc": "2043-05-11T10:39:20Z",
              "ms": 2314953559580.174
            },
            "end": {
              "local": "2043-05-11T20:04:36+08:00",
              "utc": "2043-05-11T12:04:36Z",
              "ms": 2314958676026.9194
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 03:49 on Mon 11 May to 00:26 on Tue 12 May.",
          "fact": "2043-05-10T19:48:38Z → 2043-05-11T16:26:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:04 on the 10th, 18:39–20:05 on the 11th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 85 minutes on the 10th and 85 of 85 on the 11th.",
          "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 15688 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Fuzhou, 2043: Monday 11 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-05-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Jayantī 2043 falls on Monday 11 May. Tṛtīyā runs from 03:49 on Mon 11 May to 00:26 on Tue 12 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vinayaka-chaturthi?on=2043-05-12",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32971,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-05-12T00:26:04+08:00",
          "utc": "2043-05-11T16:26:04Z",
          "ms": 2314974363749.6157
        },
        "end": {
          "local": "2043-05-12T21:32:54+08:00",
          "utc": "2043-05-12T13:32:54Z",
          "ms": 2315050373695.432
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-12T00:26:04+08:00",
          "utc": "2043-05-11T16:26:04Z",
          "ms": 2314974363749.6157
        },
        "end": {
          "local": "2043-05-12T21:32:54+08:00",
          "utc": "2043-05-12T13:32:54Z",
          "ms": 2315050373695.432
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-05-11",
          "window": {
            "start": {
              "local": "2043-05-11T11:35:24+08:00",
              "utc": "2043-05-11T03:35:24Z",
              "ms": 2314928124025.18
            },
            "end": {
              "local": "2043-05-11T12:23:24+08:00",
              "utc": "2043-05-11T04:23:24Z",
              "ms": 2314931004025.18
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-05-12",
          "window": {
            "start": {
              "local": "2043-05-12T11:35:23+08:00",
              "utc": "2043-05-12T03:35:23Z",
              "ms": 2315014522562.3633
            },
            "end": {
              "local": "2043-05-12T12:23:23+08:00",
              "utc": "2043-05-12T04:23:23Z",
              "ms": 2315017402562.3633
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:26 on Tue 12 May to 21:33 on Tue 12 May.",
          "fact": "2043-05-11T16:26:04Z → 2043-05-12T13:32:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 11th, 11:35–12:23 on the 12th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32971 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Tuesday 12 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": "2043-05-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Tuesday 12 May. Caturthī runs from 00:26 on Tue 12 May to 21:33 on Tue 12 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-05-12",
      "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/2043/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24874,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2043-05-12T21:32:54+08:00",
          "utc": "2043-05-12T13:32:54Z",
          "ms": 2315050373695.432
        },
        "end": {
          "local": "2043-05-13T19:17:56+08:00",
          "utc": "2043-05-13T11:17:56Z",
          "ms": 2315128675683.0356
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-12T21:32:54+08:00",
          "utc": "2043-05-12T13:32:54Z",
          "ms": 2315050373695.432
        },
        "end": {
          "local": "2043-05-13T19:17:56+08:00",
          "utc": "2043-05-13T11:17:56Z",
          "ms": 2315128675683.0356
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-05-12",
          "window": {
            "start": {
              "local": "2043-05-12T11:35:23+08:00",
              "utc": "2043-05-12T03:35:23Z",
              "ms": 2315014522562.3633
            },
            "end": {
              "local": "2043-05-12T12:23:23+08:00",
              "utc": "2043-05-12T04:23:23Z",
              "ms": 2315017402562.3633
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-05-13",
          "window": {
            "start": {
              "local": "2043-05-13T11:35:22+08:00",
              "utc": "2043-05-13T03:35:22Z",
              "ms": 2315100921651.91
            },
            "end": {
              "local": "2043-05-13T12:23:22+08:00",
              "utc": "2043-05-13T04:23:22Z",
              "ms": 2315103801651.91
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 21:33 on Tue 12 May to 19:18 on Wed 13 May.",
          "fact": "2043-05-12T13:32:54Z → 2043-05-13T11:17:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 12th, 11:35–12:23 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24874 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Fuzhou, 2043: Wednesday 13 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shankara-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sankara jayanti."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-05-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śaṅkara Jayantī 2043 falls on Wednesday 13 May. Pañcamī runs from 21:33 on Tue 12 May to 19:18 on Wed 13 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17018,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2043-05-14T17:47:58+08:00",
          "utc": "2043-05-14T09:47:58Z",
          "ms": 2315209677934.454
        },
        "end": {
          "local": "2043-05-15T17:06:59+08:00",
          "utc": "2043-05-15T09:06:59Z",
          "ms": 2315293619196.461
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-14T17:47:58+08:00",
          "utc": "2043-05-14T09:47:58Z",
          "ms": 2315209677934.454
        },
        "end": {
          "local": "2043-05-15T17:06:59+08:00",
          "utc": "2043-05-15T09:06:59Z",
          "ms": 2315293619196.461
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-05-14",
          "window": {
            "start": {
              "local": "2043-05-14T11:35:21+08:00",
              "utc": "2043-05-14T03:35:21Z",
              "ms": 2315187321289.698
            },
            "end": {
              "local": "2043-05-14T12:23:21+08:00",
              "utc": "2043-05-14T04:23:21Z",
              "ms": 2315190201289.698
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-05-15",
          "window": {
            "start": {
              "local": "2043-05-15T11:35:21+08:00",
              "utc": "2043-05-15T03:35:21Z",
              "ms": 2315273721472.17
            },
            "end": {
              "local": "2043-05-15T12:23:21+08:00",
              "utc": "2043-05-15T04:23:21Z",
              "ms": 2315276601472.17
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 17:48 on Thu 14 May to 17:07 on Fri 15 May.",
          "fact": "2043-05-14T09:47:58Z → 2043-05-15T09:06:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 14th, 11:35–12:23 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17018 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Fuzhou, 2043: Friday 15 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-05-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 2043 falls on Friday 15 May. Saptamī runs from 17:48 on Thu 14 May to 17:07 on Fri 15 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-05-19",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26887,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-05-18T19:43:30+08:00",
          "utc": "2043-05-18T11:43:30Z",
          "ms": 2315562210075.8086
        },
        "end": {
          "local": "2043-05-19T21:46:42+08:00",
          "utc": "2043-05-19T13:46:42Z",
          "ms": 2315656002488.6255
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-18T19:43:30+08:00",
          "utc": "2043-05-18T11:43:30Z",
          "ms": 2315562210075.8086
        },
        "end": {
          "local": "2043-05-19T21:46:42+08:00",
          "utc": "2043-05-19T13:46:42Z",
          "ms": 2315656002488.6255
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-05-19",
          "window": {
            "start": {
              "local": "2043-05-19T05:15:16+08:00",
              "utc": "2043-05-18T21:15:16Z",
              "ms": 2315596516093.059
            },
            "end": {
              "local": "2043-05-19T05:15:16+08:00",
              "utc": "2043-05-18T21:15:16Z",
              "ms": 2315596516093.059
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-05-20",
          "window": {
            "start": {
              "local": "2043-05-20T05:14:50+08:00",
              "utc": "2043-05-19T21:14:50Z",
              "ms": 2315682889825.6343
            },
            "end": {
              "local": "2043-05-20T05:14:50+08:00",
              "utc": "2043-05-19T21:14:50Z",
              "ms": 2315682889825.6343
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:44 on Mon 18 May to 21:47 on Tue 19 May.",
          "fact": "2043-05-18T11:43:30Z → 2043-05-19T13:46:42Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:15 on the 19th and 05:15 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 26887 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Fuzhou, 2043: Tuesday 19 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": "2043-05-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mohinī Ekādaśī 2043 falls on Tuesday 19 May. Ekādaśī runs from 19:44 on Mon 18 May to 21:47 on Tue 19 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-05-19",
      "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/2043/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33795,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2043-05-19T21:46:42+08:00",
          "utc": "2043-05-19T13:46:42Z",
          "ms": 2315656002488.6255
        },
        "end": {
          "local": "2043-05-21T00:09:00+08:00",
          "utc": "2043-05-20T16:09:00Z",
          "ms": 2315750940261.1396
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-19T21:46:42+08:00",
          "utc": "2043-05-19T13:46:42Z",
          "ms": 2315656002488.6255
        },
        "end": {
          "local": "2043-05-21T00:09:00+08:00",
          "utc": "2043-05-20T16:09:00Z",
          "ms": 2315750940261.1396
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-05-19",
          "window": {
            "start": {
              "local": "2043-05-19T11:35:28+08:00",
              "utc": "2043-05-19T03:35:28Z",
              "ms": 2315619327585.531
            },
            "end": {
              "local": "2043-05-19T12:23:28+08:00",
              "utc": "2043-05-19T04:23:28Z",
              "ms": 2315622207585.531
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-05-20",
          "window": {
            "start": {
              "local": "2043-05-20T11:35:30+08:00",
              "utc": "2043-05-20T03:35:30Z",
              "ms": 2315705730442.954
            },
            "end": {
              "local": "2043-05-20T12:23:30+08:00",
              "utc": "2043-05-20T04:23:30Z",
              "ms": 2315708610442.954
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:47 on Tue 19 May to 00:09 on Thu 21 May.",
          "fact": "2043-05-19T13:46:42Z → 2043-05-20T16:09:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 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": "Dvādaśī 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33795 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Fuzhou, 2043: Wednesday 20 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": "2043-05-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Dvādaśī 2043 falls on Wednesday 20 May. Dvādaśī runs from 21:47 on Tue 19 May to 00:09 on Thu 21 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33795,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2043-05-19T21:46:42+08:00",
          "utc": "2043-05-19T13:46:42Z",
          "ms": 2315656002488.6255
        },
        "end": {
          "local": "2043-05-21T00:09:00+08:00",
          "utc": "2043-05-20T16:09:00Z",
          "ms": 2315750940261.1396
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-19T21:46:42+08:00",
          "utc": "2043-05-19T13:46:42Z",
          "ms": 2315656002488.6255
        },
        "end": {
          "local": "2043-05-21T00:09:00+08:00",
          "utc": "2043-05-20T16:09:00Z",
          "ms": 2315750940261.1396
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-05-19",
          "window": {
            "start": {
              "local": "2043-05-19T11:35:28+08:00",
              "utc": "2043-05-19T03:35:28Z",
              "ms": 2315619327585.531
            },
            "end": {
              "local": "2043-05-19T12:23:28+08:00",
              "utc": "2043-05-19T04:23:28Z",
              "ms": 2315622207585.531
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-05-20",
          "window": {
            "start": {
              "local": "2043-05-20T11:35:30+08:00",
              "utc": "2043-05-20T03:35:30Z",
              "ms": 2315705730442.954
            },
            "end": {
              "local": "2043-05-20T12:23:30+08:00",
              "utc": "2043-05-20T04:23:30Z",
              "ms": 2315708610442.954
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:47 on Tue 19 May to 00:09 on Thu 21 May.",
          "fact": "2043-05-19T13:46:42Z → 2043-05-20T16:09:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 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": "Dvādaśī 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33795 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Fuzhou, 2043: Wednesday 20 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": "2043-05-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rukmiṇī Dvādaśī 2043 falls on Wednesday 20 May. Dvādaśī runs from 21:47 on Tue 19 May to 00:09 on Thu 21 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-05-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14447,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-05-21T00:09:00+08:00",
          "utc": "2043-05-20T16:09:00Z",
          "ms": 2315750940261.1396
        },
        "end": {
          "local": "2043-05-22T02:40:16+08:00",
          "utc": "2043-05-21T18:40:16Z",
          "ms": 2315846415954.008
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-21T00:09:00+08:00",
          "utc": "2043-05-20T16:09:00Z",
          "ms": 2315750940261.1396
        },
        "end": {
          "local": "2043-05-22T02:40:16+08:00",
          "utc": "2043-05-21T18:40:16Z",
          "ms": 2315846415954.008
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-05-20",
          "window": {
            "start": {
              "local": "2043-05-20T18:44:11+08:00",
              "utc": "2043-05-20T10:44:11Z",
              "ms": 2315731451060.274
            },
            "end": {
              "local": "2043-05-20T20:08:13+08:00",
              "utc": "2043-05-20T12:08:13Z",
              "ms": 2315736492888.2397
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "2043-05-21",
          "window": {
            "start": {
              "local": "2043-05-21T18:44:43+08:00",
              "utc": "2043-05-21T10:44:43Z",
              "ms": 2315817882878.2163
            },
            "end": {
              "local": "2043-05-21T20:08:37+08:00",
              "utc": "2043-05-21T12:08:37Z",
              "ms": 2315822917285.969
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:09 on Thu 21 May to 02:40 on Fri 22 May.",
          "fact": "2043-05-20T16:09:00Z → 2043-05-21T18:40:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:08 on the 20th, 18:45–20:09 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 84 minutes on the 20th and 84 of 84 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 14447 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Thursday 21 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": "2043-05-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Thursday 21 May. Trayodaśī runs from 00:09 on Thu 21 May to 02:40 on Fri 22 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-05-21",
      "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/2043/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23499,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-05-22T02:40:16+08:00",
          "utc": "2043-05-21T18:40:16Z",
          "ms": 2315846415954.008
        },
        "end": {
          "local": "2043-05-23T05:11:51+08:00",
          "utc": "2043-05-22T21:11:51Z",
          "ms": 2315941911223.387
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-22T02:40:16+08:00",
          "utc": "2043-05-21T18:40:16Z",
          "ms": 2315846415954.008
        },
        "end": {
          "local": "2043-05-23T05:11:51+08:00",
          "utc": "2043-05-22T21:11:51Z",
          "ms": 2315941911223.387
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-05-21",
          "window": {
            "start": {
              "local": "2043-05-21T18:44:43+08:00",
              "utc": "2043-05-21T10:44:43Z",
              "ms": 2315817882878.2163
            },
            "end": {
              "local": "2043-05-21T20:08:37+08:00",
              "utc": "2043-05-21T12:08:37Z",
              "ms": 2315822917285.969
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "2043-05-22",
          "window": {
            "start": {
              "local": "2043-05-22T18:45:15+08:00",
              "utc": "2043-05-22T10:45:15Z",
              "ms": 2315904314512.076
            },
            "end": {
              "local": "2043-05-22T20:09:02+08:00",
              "utc": "2043-05-22T12:09:02Z",
              "ms": 2315909341688.3584
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 02:40 on Fri 22 May to 05:12 on Sat 23 May.",
          "fact": "2043-05-21T18:40:16Z → 2043-05-22T21:11:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:09 on the 21st, 18:45–20:09 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 21st and 84 of 84 on the 22nd.",
          "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 23499 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Fuzhou, 2043: Friday 22 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": "2043-05-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2043 falls on Friday 22 May. Caturdaśī runs from 02:40 on Fri 22 May to 05:12 on Sat 23 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14325,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-05-23T05:11:51+08:00",
          "utc": "2043-05-22T21:11:51Z",
          "ms": 2315941911223.387
        },
        "end": {
          "local": "2043-05-24T07:37:02+08:00",
          "utc": "2043-05-23T23:37:02Z",
          "ms": 2316037022348.163
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-23T05:11:51+08:00",
          "utc": "2043-05-22T21:11:51Z",
          "ms": 2315941911223.387
        },
        "end": {
          "local": "2043-05-24T07:37:02+08:00",
          "utc": "2043-05-23T23:37:02Z",
          "ms": 2316037022348.163
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-05-23",
          "window": {
            "start": {
              "local": "2043-05-23T11:35:42+08:00",
              "utc": "2043-05-23T03:35:42Z",
              "ms": 2315964942137.8877
            },
            "end": {
              "local": "2043-05-23T12:23:42+08:00",
              "utc": "2043-05-23T04:23:42Z",
              "ms": 2315967822137.8877
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-05-24",
          "window": {
            "start": {
              "local": "2043-05-24T11:35:47+08:00",
              "utc": "2043-05-24T03:35:47Z",
              "ms": 2316051347059.1133
            },
            "end": {
              "local": "2043-05-24T12:23:47+08:00",
              "utc": "2043-05-24T04:23:47Z",
              "ms": 2316054227059.1133
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:12 on Sat 23 May to 07:37 on Sun 24 May.",
          "fact": "2043-05-22T21:11:51Z → 2043-05-23T23:37:02Z"
        },
        {
          "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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14325 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Fuzhou, 2043: Saturday 23 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": "2043-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Buddha Pūrṇimā 2043 falls on Saturday 23 May. Pūrṇimā runs from 05:12 on Sat 23 May to 07:37 on Sun 24 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14325,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-05-23T05:11:51+08:00",
          "utc": "2043-05-22T21:11:51Z",
          "ms": 2315941911223.387
        },
        "end": {
          "local": "2043-05-24T07:37:02+08:00",
          "utc": "2043-05-23T23:37:02Z",
          "ms": 2316037022348.163
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-23T05:11:51+08:00",
          "utc": "2043-05-22T21:11:51Z",
          "ms": 2315941911223.387
        },
        "end": {
          "local": "2043-05-24T07:37:02+08:00",
          "utc": "2043-05-23T23:37:02Z",
          "ms": 2316037022348.163
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-05-23",
          "window": {
            "start": {
              "local": "2043-05-23T11:35:42+08:00",
              "utc": "2043-05-23T03:35:42Z",
              "ms": 2315964942137.8877
            },
            "end": {
              "local": "2043-05-23T12:23:42+08:00",
              "utc": "2043-05-23T04:23:42Z",
              "ms": 2315967822137.8877
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-05-24",
          "window": {
            "start": {
              "local": "2043-05-24T11:35:47+08:00",
              "utc": "2043-05-24T03:35:47Z",
              "ms": 2316051347059.1133
            },
            "end": {
              "local": "2043-05-24T12:23:47+08:00",
              "utc": "2043-05-24T04:23:47Z",
              "ms": 2316054227059.1133
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:12 on Sat 23 May to 07:37 on Sun 24 May.",
          "fact": "2043-05-22T21:11:51Z → 2043-05-23T23:37:02Z"
        },
        {
          "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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14325 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Fuzhou, 2043: Saturday 23 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": "2043-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sampat Gaurī Vrata 2043 falls on Saturday 23 May. Pūrṇimā runs from 05:12 on Sat 23 May to 07:37 on Sun 24 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-05-27",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-05-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28527,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-05-27T13:29:07+08:00",
          "utc": "2043-05-27T05:29:07Z",
          "ms": 2316317346712.1294
        },
        "end": {
          "local": "2043-05-28T14:46:38+08:00",
          "utc": "2043-05-28T06:46:38Z",
          "ms": 2316408397646.0464
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-05-27T13:29:07+08:00",
          "utc": "2043-05-27T05:29:07Z",
          "ms": 2316317346712.1294
        },
        "end": {
          "local": "2043-05-28T14:46:38+08:00",
          "utc": "2043-05-28T06:46:38Z",
          "ms": 2316408397646.0464
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-05-27",
          "window": {
            "start": {
              "local": "2043-05-27T21:56:31+08:00",
              "utc": "2043-05-27T13:56:31Z",
              "ms": 2316347791268.913
            },
            "end": {
              "local": "2043-05-27T21:56:31+08:00",
              "utc": "2043-05-27T13:56:31Z",
              "ms": 2316347791268.913
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-05-28",
          "window": {
            "start": {
              "local": "2043-05-28T22:42:04+08:00",
              "utc": "2043-05-28T14:42:04Z",
              "ms": 2316436924352.9146
            },
            "end": {
              "local": "2043-05-28T22:42:04+08:00",
              "utc": "2043-05-28T14:42:04Z",
              "ms": 2316436924352.9146
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:29 on Wed 27 May to 14:47 on Thu 28 May.",
          "fact": "2043-05-27T05:29:07Z → 2043-05-28T06:46:38Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:57 on the 27th and 22:42 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28527 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Wednesday 27 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": "2043-05-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-05-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Wednesday 27 May. Caturthī runs from 13:29 on Wed 27 May to 14:47 on Thu 28 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-05-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/ekadashi?on=2043-06-04",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12473,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-06-03T11:19:09+08:00",
          "utc": "2043-06-03T03:19:09Z",
          "ms": 2316914349137.016
        },
        "end": {
          "local": "2043-06-04T08:38:38+08:00",
          "utc": "2043-06-04T00:38:38Z",
          "ms": 2316991118274.3994
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-03T11:19:09+08:00",
          "utc": "2043-06-03T03:19:09Z",
          "ms": 2316914349137.016
        },
        "end": {
          "local": "2043-06-04T08:38:38+08:00",
          "utc": "2043-06-04T00:38:38Z",
          "ms": 2316991118274.3994
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-06-03",
          "window": {
            "start": {
              "local": "2043-06-03T05:10:53+08:00",
              "utc": "2043-06-02T21:10:53Z",
              "ms": 2316892252926.4663
            },
            "end": {
              "local": "2043-06-03T05:10:53+08:00",
              "utc": "2043-06-02T21:10:53Z",
              "ms": 2316892252926.4663
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-06-04",
          "window": {
            "start": {
              "local": "2043-06-04T05:10:46+08:00",
              "utc": "2043-06-03T21:10:46Z",
              "ms": 2316978645535.7744
            },
            "end": {
              "local": "2043-06-04T05:10:46+08:00",
              "utc": "2043-06-03T21:10:46Z",
              "ms": 2316978645535.7744
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:19 on Wed 3 Jun to 08:39 on Thu 4 Jun.",
          "fact": "2043-06-03T03:19:09Z → 2043-06-04T00:38:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:11 on the 3rd and 05:11 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12473 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Fuzhou, 2043: Thursday 4 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": "2043-06-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aparā Ekādaśī 2043 falls on Thursday 4 June. Ekādaśī runs from 11:19 on Wed 3 Jun to 08:39 on Thu 4 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-06-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/pradosha-vrata?on=2043-06-05",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20721,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-06-05T05:29:42+08:00",
          "utc": "2043-06-04T21:29:42Z",
          "ms": 2317066181993.724
        },
        "end": {
          "local": "2043-06-06T01:59:54+08:00",
          "utc": "2043-06-05T17:59:54Z",
          "ms": 2317139993869.3447
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-05T05:29:42+08:00",
          "utc": "2043-06-04T21:29:42Z",
          "ms": 2317066181993.724
        },
        "end": {
          "local": "2043-06-06T01:59:54+08:00",
          "utc": "2043-06-05T17:59:54Z",
          "ms": 2317139993869.3447
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-06-04",
          "window": {
            "start": {
              "local": "2043-06-04T18:51:39+08:00",
              "utc": "2043-06-04T10:51:39Z",
              "ms": 2317027898799.423
            },
            "end": {
              "local": "2043-06-04T20:14:11+08:00",
              "utc": "2043-06-04T12:14:11Z",
              "ms": 2317032850880.756
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "2043-06-05",
          "window": {
            "start": {
              "local": "2043-06-05T18:52:05+08:00",
              "utc": "2043-06-05T10:52:05Z",
              "ms": 2317114325379.366
            },
            "end": {
              "local": "2043-06-05T20:14:33+08:00",
              "utc": "2043-06-05T12:14:33Z",
              "ms": 2317119273267.0347
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:30 on Fri 5 Jun to 02:00 on Sat 6 Jun.",
          "fact": "2043-06-04T21:29:42Z → 2043-06-05T17:59:54Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:14 on the 4th, 18:52–20:15 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 4th and 82 of 82 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 20721 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Friday 5 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": "2043-06-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Friday 5 June. Trayodaśī runs from 05:30 on Fri 5 Jun to 02:00 on Sat 6 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-06-05",
      "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/2043/shivaratri?on=2043-06-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 4752,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-06-06T01:59:54+08:00",
          "utc": "2043-06-05T17:59:54Z",
          "ms": 2317139993869.3447
        },
        "end": {
          "local": "2043-06-06T22:18:19+08:00",
          "utc": "2043-06-06T14:18:19Z",
          "ms": 2317213099012.079
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-06T01:59:54+08:00",
          "utc": "2043-06-05T17:59:54Z",
          "ms": 2317139993869.3447
        },
        "end": {
          "local": "2043-06-06T22:18:19+08:00",
          "utc": "2043-06-06T14:18:19Z",
          "ms": 2317213099012.079
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-06-05",
          "window": {
            "start": {
              "local": "2043-06-05T23:37:20+08:00",
              "utc": "2043-06-05T15:37:20Z",
              "ms": 2317131439958.124
            },
            "end": {
              "local": "2043-06-06T00:25:20+08:00",
              "utc": "2043-06-05T16:25:20Z",
              "ms": 2317134319958.124
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-06-06",
          "window": {
            "start": {
              "local": "2043-06-06T23:37:31+08:00",
              "utc": "2043-06-06T15:37:31Z",
              "ms": 2317217851143.286
            },
            "end": {
              "local": "2043-06-07T00:25:31+08:00",
              "utc": "2043-06-06T16:25:31Z",
              "ms": 2317220731143.286
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 02:00 on Sat 6 Jun to 22:18 on Sat 6 Jun.",
          "fact": "2043-06-05T17:59:54Z → 2043-06-06T14:18:19Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 5th, 23:38–00:26 on the 6th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "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 4752 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Friday 5 June.",
          "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": "2043-06-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Friday 5 June. Caturdaśī runs from 02:00 on Sat 6 Jun to 22:18 on Sat 6 Jun, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-06-05",
      "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/2043/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 550,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2043-06-09T11:47:17+08:00",
          "utc": "2043-06-09T03:47:17Z",
          "ms": 2317434436746.394
        },
        "end": {
          "local": "2043-06-10T09:04:06+08:00",
          "utc": "2043-06-10T01:04:06Z",
          "ms": 2317511045561.534
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-09T11:47:17+08:00",
          "utc": "2043-06-09T03:47:17Z",
          "ms": 2317434436746.394
        },
        "end": {
          "local": "2043-06-10T09:04:06+08:00",
          "utc": "2043-06-10T01:04:06Z",
          "ms": 2317511045561.534
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-06-09",
          "window": {
            "start": {
              "local": "2043-06-09T11:38:06+08:00",
              "utc": "2043-06-09T03:38:06Z",
              "ms": 2317433886431.5645
            },
            "end": {
              "local": "2043-06-09T12:26:06+08:00",
              "utc": "2043-06-09T04:26:06Z",
              "ms": 2317436766431.5645
            }
          },
          "covered_min": 39,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-06-10",
          "window": {
            "start": {
              "local": "2043-06-10T11:38:18+08:00",
              "utc": "2043-06-10T03:38:18Z",
              "ms": 2317520298094.041
            },
            "end": {
              "local": "2043-06-10T12:26:18+08:00",
              "utc": "2043-06-10T04:26:18Z",
              "ms": 2317523178094.041
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 11:47 on Tue 9 Jun to 09:04 on Wed 10 Jun.",
          "fact": "2043-06-09T03:47:17Z → 2043-06-10T01:04:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 9th, 11:38–12:26 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 39 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 550 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Fuzhou, 2043: Tuesday 9 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rambha-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Rambha trtiya (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-06-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rambhā Tṛtīyā 2043 falls on Tuesday 9 June. Tṛtīyā runs from 11:47 on Tue 9 Jun to 09:04 on Wed 10 Jun and covers 39 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vinayaka-chaturthi?on=2043-06-10",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9253,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-06-10T09:04:06+08:00",
          "utc": "2043-06-10T01:04:06Z",
          "ms": 2317511045561.534
        },
        "end": {
          "local": "2043-06-11T07:00:55+08:00",
          "utc": "2043-06-10T23:00:55Z",
          "ms": 2317590055058.9985
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-10T09:04:06+08:00",
          "utc": "2043-06-10T01:04:06Z",
          "ms": 2317511045561.534
        },
        "end": {
          "local": "2043-06-11T07:00:55+08:00",
          "utc": "2043-06-10T23:00:55Z",
          "ms": 2317590055058.9985
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-06-10",
          "window": {
            "start": {
              "local": "2043-06-10T11:38:18+08:00",
              "utc": "2043-06-10T03:38:18Z",
              "ms": 2317520298094.041
            },
            "end": {
              "local": "2043-06-10T12:26:18+08:00",
              "utc": "2043-06-10T04:26:18Z",
              "ms": 2317523178094.041
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-06-11",
          "window": {
            "start": {
              "local": "2043-06-11T11:38:30+08:00",
              "utc": "2043-06-11T03:38:30Z",
              "ms": 2317606709965.8535
            },
            "end": {
              "local": "2043-06-11T12:26:30+08:00",
              "utc": "2043-06-11T04:26:30Z",
              "ms": 2317609589965.8535
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:04 on Wed 10 Jun to 07:01 on Thu 11 Jun.",
          "fact": "2043-06-10T01:04:06Z → 2043-06-10T23:00:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 10th, 11:38–12:26 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9253 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Wednesday 10 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": "2043-06-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Wednesday 10 June. Caturthī runs from 09:04 on Wed 10 Jun to 07:01 on Thu 11 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-06-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21222,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2043-06-12T05:45:00+08:00",
          "utc": "2043-06-11T21:45:00Z",
          "ms": 2317671900425.0894
        },
        "end": {
          "local": "2043-06-13T05:20:29+08:00",
          "utc": "2043-06-12T21:20:29Z",
          "ms": 2317756828739.2485
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-12T05:45:00+08:00",
          "utc": "2043-06-11T21:45:00Z",
          "ms": 2317671900425.0894
        },
        "end": {
          "local": "2043-06-13T05:20:29+08:00",
          "utc": "2043-06-12T21:20:29Z",
          "ms": 2317756828739.2485
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-06-12",
          "window": {
            "start": {
              "local": "2043-06-12T11:38:42+08:00",
              "utc": "2043-06-12T03:38:42Z",
              "ms": 2317693122022.3857
            },
            "end": {
              "local": "2043-06-12T12:26:42+08:00",
              "utc": "2043-06-12T04:26:42Z",
              "ms": 2317696002022.3857
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-06-13",
          "window": {
            "start": {
              "local": "2043-06-13T11:38:54+08:00",
              "utc": "2043-06-13T03:38:54Z",
              "ms": 2317779534239.967
            },
            "end": {
              "local": "2043-06-13T12:26:54+08:00",
              "utc": "2043-06-13T04:26:54Z",
              "ms": 2317782414239.967
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 05:45 on Fri 12 Jun to 05:20 on Sat 13 Jun.",
          "fact": "2043-06-11T21:45:00Z → 2043-06-12T21:20:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 12th, 11:39–12:27 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21222 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Fuzhou, 2043: Friday 12 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aranya-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-06-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Araṇya Gaurī Vrata 2043 falls on Friday 12 June. Ṣaṣṭhī runs from 05:45 on Fri 12 Jun to 05:20 on Sat 13 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21222,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2043-06-12T05:45:00+08:00",
          "utc": "2043-06-11T21:45:00Z",
          "ms": 2317671900425.0894
        },
        "end": {
          "local": "2043-06-13T05:20:29+08:00",
          "utc": "2043-06-12T21:20:29Z",
          "ms": 2317756828739.2485
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-12T05:45:00+08:00",
          "utc": "2043-06-11T21:45:00Z",
          "ms": 2317671900425.0894
        },
        "end": {
          "local": "2043-06-13T05:20:29+08:00",
          "utc": "2043-06-12T21:20:29Z",
          "ms": 2317756828739.2485
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-06-12",
          "window": {
            "start": {
              "local": "2043-06-12T11:38:42+08:00",
              "utc": "2043-06-12T03:38:42Z",
              "ms": 2317693122022.3857
            },
            "end": {
              "local": "2043-06-12T12:26:42+08:00",
              "utc": "2043-06-12T04:26:42Z",
              "ms": 2317696002022.3857
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-06-13",
          "window": {
            "start": {
              "local": "2043-06-13T11:38:54+08:00",
              "utc": "2043-06-13T03:38:54Z",
              "ms": 2317779534239.967
            },
            "end": {
              "local": "2043-06-13T12:26:54+08:00",
              "utc": "2043-06-13T04:26:54Z",
              "ms": 2317782414239.967
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 05:45 on Fri 12 Jun to 05:20 on Sat 13 Jun.",
          "fact": "2043-06-11T21:45:00Z → 2043-06-12T21:20:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 12th, 11:39–12:27 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 21222 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 2043: Friday 12 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi-jyaishtha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-06-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2043 falls on Friday 12 June. Ṣaṣṭhī runs from 05:45 on Fri 12 Jun to 05:20 on Sat 13 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-06-18",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21553,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-06-17T11:10:12+08:00",
          "utc": "2043-06-17T03:10:12Z",
          "ms": 2318123411851.5454
        },
        "end": {
          "local": "2043-06-18T13:40:22+08:00",
          "utc": "2043-06-18T05:40:22Z",
          "ms": 2318218821979.3735
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-17T11:10:12+08:00",
          "utc": "2043-06-17T03:10:12Z",
          "ms": 2318123411851.5454
        },
        "end": {
          "local": "2043-06-18T13:40:22+08:00",
          "utc": "2043-06-18T05:40:22Z",
          "ms": 2318218821979.3735
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-06-17",
          "window": {
            "start": {
              "local": "2043-06-17T05:10:59+08:00",
              "utc": "2043-06-16T21:10:59Z",
              "ms": 2318101859174.8257
            },
            "end": {
              "local": "2043-06-17T05:10:59+08:00",
              "utc": "2043-06-16T21:10:59Z",
              "ms": 2318101859174.8257
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-06-18",
          "window": {
            "start": {
              "local": "2043-06-18T05:11:08+08:00",
              "utc": "2043-06-17T21:11:08Z",
              "ms": 2318188268079.238
            },
            "end": {
              "local": "2043-06-18T05:11:08+08:00",
              "utc": "2043-06-17T21:11:08Z",
              "ms": 2318188268079.238
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:10 on Wed 17 Jun to 13:40 on Thu 18 Jun.",
          "fact": "2043-06-17T03:10:12Z → 2043-06-18T05:40:22Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:11 on the 17th and 05:11 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 21553 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Fuzhou, 2043: Thursday 18 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": "2043-06-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nirjalā Ekādaśī 2043 falls on Thursday 18 June. Ekādaśī runs from 11:10 on Wed 17 Jun to 13:40 on Thu 18 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-06-18",
      "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/2043/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4345,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2043-06-18T13:40:22+08:00",
          "utc": "2043-06-18T05:40:22Z",
          "ms": 2318218821979.3735
        },
        "end": {
          "local": "2043-06-19T16:10:53+08:00",
          "utc": "2043-06-19T08:10:53Z",
          "ms": 2318314252724.364
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-18T13:40:22+08:00",
          "utc": "2043-06-18T05:40:22Z",
          "ms": 2318218821979.3735
        },
        "end": {
          "local": "2043-06-19T16:10:53+08:00",
          "utc": "2043-06-19T08:10:53Z",
          "ms": 2318314252724.364
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-06-18",
          "window": {
            "start": {
              "local": "2043-06-18T11:39:57+08:00",
              "utc": "2043-06-18T03:39:57Z",
              "ms": 2318211596959.4805
            },
            "end": {
              "local": "2043-06-18T12:27:57+08:00",
              "utc": "2043-06-18T04:27:57Z",
              "ms": 2318214476959.4805
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-06-19",
          "window": {
            "start": {
              "local": "2043-06-19T11:40:10+08:00",
              "utc": "2043-06-19T03:40:10Z",
              "ms": 2318298009678.506
            },
            "end": {
              "local": "2043-06-19T12:28:10+08:00",
              "utc": "2043-06-19T04:28:10Z",
              "ms": 2318300889678.506
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 13:40 on Thu 18 Jun to 16:11 on Fri 19 Jun.",
          "fact": "2043-06-18T05:40:22Z → 2043-06-19T08:10:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 18th, 11:40–12:28 on the 19th.",
          "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 18th and 48 of 48 on the 19th.",
          "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 4345 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Fuzhou, 2043: Friday 19 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": "2043-06-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Rāma Dvādaśī 2043 falls on Friday 19 June. Dvādaśī runs from 13:40 on Thu 18 Jun to 16:11 on Fri 19 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-06-19",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1526,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-06-19T16:10:53+08:00",
          "utc": "2043-06-19T08:10:53Z",
          "ms": 2318314252724.364
        },
        "end": {
          "local": "2043-06-20T18:31:50+08:00",
          "utc": "2043-06-20T10:31:50Z",
          "ms": 2318409109918.672
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-19T16:10:53+08:00",
          "utc": "2043-06-19T08:10:53Z",
          "ms": 2318314252724.364
        },
        "end": {
          "local": "2043-06-20T18:31:50+08:00",
          "utc": "2043-06-20T10:31:50Z",
          "ms": 2318409109918.672
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-06-19",
          "window": {
            "start": {
              "local": "2043-06-19T18:57:01+08:00",
              "utc": "2043-06-19T10:57:01Z",
              "ms": 2318324221341.5107
            },
            "end": {
              "local": "2043-06-19T20:18:57+08:00",
              "utc": "2043-06-19T12:18:57Z",
              "ms": 2318329137024.492
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "2043-06-20",
          "window": {
            "start": {
              "local": "2043-06-20T18:57:16+08:00",
              "utc": "2043-06-20T10:57:16Z",
              "ms": 2318410635849.723
            },
            "end": {
              "local": "2043-06-20T20:19:11+08:00",
              "utc": "2043-06-20T12:19:11Z",
              "ms": 2318415551190.317
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:11 on Fri 19 Jun to 18:32 on Sat 20 Jun.",
          "fact": "2043-06-19T08:10:53Z → 2043-06-20T10:31:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:19 on the 19th, 18:57–20:19 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 82 of 82 minutes on the 19th and 0 of 82 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 1526 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Friday 19 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": "2043-06-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Friday 19 June. Trayodaśī runs from 16:11 on Fri 19 Jun to 18:32 on Sat 20 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-06-19",
      "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/2043/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1020,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-06-21T20:36:25+08:00",
          "utc": "2043-06-21T12:36:25Z",
          "ms": 2318502984634.4897
        },
        "end": {
          "local": "2043-06-22T22:20:42+08:00",
          "utc": "2043-06-22T14:20:42Z",
          "ms": 2318595642125.291
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-21T20:36:25+08:00",
          "utc": "2043-06-21T12:36:25Z",
          "ms": 2318502984634.4897
        },
        "end": {
          "local": "2043-06-22T22:20:42+08:00",
          "utc": "2043-06-22T14:20:42Z",
          "ms": 2318595642125.291
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-06-21",
          "window": {
            "start": {
              "local": "2043-06-21T18:57:29+08:00",
              "utc": "2043-06-21T10:57:29Z",
              "ms": 2318497049343.4517
            },
            "end": {
              "local": "2043-06-21T20:19:25+08:00",
              "utc": "2043-06-21T12:19:25Z",
              "ms": 2318501964606.438
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        },
        {
          "local_date": "2043-06-22",
          "window": {
            "start": {
              "local": "2043-06-22T18:57:42+08:00",
              "utc": "2043-06-22T10:57:42Z",
              "ms": 2318583461802.6865
            },
            "end": {
              "local": "2043-06-22T20:19:37+08:00",
              "utc": "2043-06-22T12:19:37Z",
              "ms": 2318588377252.726
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 20:36 on Sun 21 Jun to 22:21 on Mon 22 Jun.",
          "fact": "2043-06-21T12:36:25Z → 2043-06-22T14:20:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:19 on the 21st, 18:58–20:20 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 82 minutes on the 21st and 82 of 82 on the 22nd.",
          "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 1020 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 2043: Monday 22 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": "2043-06-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 2043 falls on Monday 22 June. Pūrṇimā runs from 20:36 on Sun 21 Jun to 22:21 on Mon 22 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-06-26",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-06-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12694,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-06-26T01:19:18+08:00",
          "utc": "2043-06-25T17:19:18Z",
          "ms": 2318865557676.0693
        },
        "end": {
          "local": "2043-06-27T01:32:29+08:00",
          "utc": "2043-06-26T17:32:29Z",
          "ms": 2318952749185.644
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-06-26T01:19:18+08:00",
          "utc": "2043-06-25T17:19:18Z",
          "ms": 2318865557676.0693
        },
        "end": {
          "local": "2043-06-27T01:32:29+08:00",
          "utc": "2043-06-26T17:32:29Z",
          "ms": 2318952749185.644
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-06-25",
          "window": {
            "start": {
              "local": "2043-06-25T21:22:56+08:00",
              "utc": "2043-06-25T13:22:56Z",
              "ms": 2318851376418.715
            },
            "end": {
              "local": "2043-06-25T21:22:56+08:00",
              "utc": "2043-06-25T13:22:56Z",
              "ms": 2318851376418.715
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-06-26",
          "window": {
            "start": {
              "local": "2043-06-26T22:00:56+08:00",
              "utc": "2043-06-26T14:00:56Z",
              "ms": 2318940055670.3433
            },
            "end": {
              "local": "2043-06-26T22:00:56+08:00",
              "utc": "2043-06-26T14:00:56Z",
              "ms": 2318940055670.3433
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:19 on Fri 26 Jun to 01:32 on Sat 27 Jun.",
          "fact": "2043-06-25T17:19:18Z → 2043-06-26T17:32:29Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:23 on the 25th and 22:01 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12694 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Friday 26 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": "2043-06-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-06-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Friday 26 June. Caturthī runs from 01:19 on Fri 26 Jun to 01:32 on Sat 27 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-06-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/ekadashi?on=2043-07-03",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33677,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-07-02T17:28:34+08:00",
          "utc": "2043-07-02T09:28:34Z",
          "ms": 2319442114302.6494
        },
        "end": {
          "local": "2043-07-03T14:36:30+08:00",
          "utc": "2043-07-03T06:36:30Z",
          "ms": 2319518190295.0244
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-02T17:28:34+08:00",
          "utc": "2043-07-02T09:28:34Z",
          "ms": 2319442114302.6494
        },
        "end": {
          "local": "2043-07-03T14:36:30+08:00",
          "utc": "2043-07-03T06:36:30Z",
          "ms": 2319518190295.0244
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-07-02",
          "window": {
            "start": {
              "local": "2043-07-02T05:14:52+08:00",
              "utc": "2043-07-01T21:14:52Z",
              "ms": 2319398091546.2256
            },
            "end": {
              "local": "2043-07-02T05:14:52+08:00",
              "utc": "2043-07-01T21:14:52Z",
              "ms": 2319398091546.2256
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-07-03",
          "window": {
            "start": {
              "local": "2043-07-03T05:15:14+08:00",
              "utc": "2043-07-02T21:15:14Z",
              "ms": 2319484513651.381
            },
            "end": {
              "local": "2043-07-03T05:15:14+08:00",
              "utc": "2043-07-02T21:15:14Z",
              "ms": 2319484513651.381
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:29 on Thu 2 Jul to 14:37 on Fri 3 Jul.",
          "fact": "2043-07-02T09:28:34Z → 2043-07-03T06:36:30Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:15 on the 2nd and 05:15 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 33677 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Fuzhou, 2043: Friday 3 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": "2043-07-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yoginī Ekādaśī 2043 falls on Friday 3 July. Ekādaśī runs from 17:29 on Thu 2 Jul to 14:37 on Fri 3 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-07-03",
      "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/2043/pradosha-vrata?on=2043-07-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27022,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-07-04T11:28:22+08:00",
          "utc": "2043-07-04T03:28:22Z",
          "ms": 2319593302032.793
        },
        "end": {
          "local": "2043-07-05T08:11:55+08:00",
          "utc": "2043-07-05T00:11:55Z",
          "ms": 2319667914976.162
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-04T11:28:22+08:00",
          "utc": "2043-07-04T03:28:22Z",
          "ms": 2319593302032.793
        },
        "end": {
          "local": "2043-07-05T08:11:55+08:00",
          "utc": "2043-07-05T00:11:55Z",
          "ms": 2319667914976.162
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-07-04",
          "window": {
            "start": {
              "local": "2043-07-04T18:58:44+08:00",
              "utc": "2043-07-04T10:58:44Z",
              "ms": 2319620324269.9585
            },
            "end": {
              "local": "2043-07-04T20:21:02+08:00",
              "utc": "2043-07-04T12:21:02Z",
              "ms": 2319625262347.9053
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "2043-07-05",
          "window": {
            "start": {
              "local": "2043-07-05T18:58:42+08:00",
              "utc": "2043-07-05T10:58:42Z",
              "ms": 2319706721742.725
            },
            "end": {
              "local": "2043-07-05T20:21:03+08:00",
              "utc": "2043-07-05T12:21:03Z",
              "ms": 2319711663361.5024
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:28 on Sat 4 Jul to 08:12 on Sun 5 Jul.",
          "fact": "2043-07-04T03:28:22Z → 2043-07-05T00:11:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 4th, 18:59–20:21 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 82 of 82 minutes on the 4th and 0 of 82 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 27022 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Saturday 4 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": "2043-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Saturday 4 July. Trayodaśī runs from 11:28 on Sat 4 Jul to 08:12 on Sun 5 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-07-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/shivaratri?on=2043-07-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15878,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-07-05T08:11:55+08:00",
          "utc": "2043-07-05T00:11:55Z",
          "ms": 2319667914976.162
        },
        "end": {
          "local": "2043-07-06T04:56:11+08:00",
          "utc": "2043-07-05T20:56:11Z",
          "ms": 2319742570982.309
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-05T08:11:55+08:00",
          "utc": "2043-07-05T00:11:55Z",
          "ms": 2319667914976.162
        },
        "end": {
          "local": "2043-07-06T04:56:11+08:00",
          "utc": "2043-07-05T20:56:11Z",
          "ms": 2319742570982.309
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-07-04",
          "window": {
            "start": {
              "local": "2043-07-04T23:43:22+08:00",
              "utc": "2043-07-04T15:43:22Z",
              "ms": 2319637402062.2593
            },
            "end": {
              "local": "2043-07-05T00:31:22+08:00",
              "utc": "2043-07-04T16:31:22Z",
              "ms": 2319640282062.2593
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-07-05",
          "window": {
            "start": {
              "local": "2043-07-05T23:43:33+08:00",
              "utc": "2043-07-05T15:43:33Z",
              "ms": 2319723812813.1396
            },
            "end": {
              "local": "2043-07-06T00:31:33+08:00",
              "utc": "2043-07-05T16:31:33Z",
              "ms": 2319726692813.1396
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:12 on Sun 5 Jul to 04:56 on Mon 6 Jul.",
          "fact": "2043-07-05T00:11:55Z → 2043-07-05T20:56:11Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 4th, 23:44–00:32 on the 5th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15878 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Sunday 5 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-07-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Sunday 5 July. Caturdaśī runs from 08:12 on Sun 5 Jul to 04:56 on Mon 6 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-07-05",
      "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/2043/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30047,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2043-07-07T23:06:34+08:00",
          "utc": "2043-07-07T15:06:34Z",
          "ms": 2319894393872.7495
        },
        "end": {
          "local": "2043-07-08T20:52:38+08:00",
          "utc": "2043-07-08T12:52:38Z",
          "ms": 2319972757557.6724
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-07T23:06:34+08:00",
          "utc": "2043-07-07T15:06:34Z",
          "ms": 2319894393872.7495
        },
        "end": {
          "local": "2043-07-08T20:52:38+08:00",
          "utc": "2043-07-08T12:52:38Z",
          "ms": 2319972757557.6724
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-07-07",
          "window": {
            "start": {
              "local": "2043-07-07T11:43:41+08:00",
              "utc": "2043-07-07T03:43:41Z",
              "ms": 2319853420688.153
            },
            "end": {
              "local": "2043-07-07T12:31:41+08:00",
              "utc": "2043-07-07T04:31:41Z",
              "ms": 2319856300688.153
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-07-08",
          "window": {
            "start": {
              "local": "2043-07-08T11:43:50+08:00",
              "utc": "2043-07-08T03:43:50Z",
              "ms": 2319939830080.264
            },
            "end": {
              "local": "2043-07-08T12:31:50+08:00",
              "utc": "2043-07-08T04:31:50Z",
              "ms": 2319942710080.264
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 23:07 on Tue 7 Jul to 20:53 on Wed 8 Jul.",
          "fact": "2043-07-07T15:06:34Z → 2043-07-08T12:52:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 7th, 11:44–12:32 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30047 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Fuzhou, 2043: Wednesday 8 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rathayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')"
          }
        ],
        "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rathayātrā 2043 falls on Wednesday 8 July. Dvitīyā runs from 23:07 on Tue 7 Jul to 20:53 on Wed 8 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vinayaka-chaturthi?on=2043-07-10",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21404,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-07-09T19:17:52+08:00",
          "utc": "2043-07-09T11:17:52Z",
          "ms": 2320053472288.335
        },
        "end": {
          "local": "2043-07-10T18:28:52+08:00",
          "utc": "2043-07-10T10:28:52Z",
          "ms": 2320136931827.2705
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-09T19:17:52+08:00",
          "utc": "2043-07-09T11:17:52Z",
          "ms": 2320053472288.335
        },
        "end": {
          "local": "2043-07-10T18:28:52+08:00",
          "utc": "2043-07-10T10:28:52Z",
          "ms": 2320136931827.2705
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-07-09",
          "window": {
            "start": {
              "local": "2043-07-09T11:43:59+08:00",
              "utc": "2043-07-09T03:43:59Z",
              "ms": 2320026239072.4697
            },
            "end": {
              "local": "2043-07-09T12:31:59+08:00",
              "utc": "2043-07-09T04:31:59Z",
              "ms": 2320029119072.4697
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-07-10",
          "window": {
            "start": {
              "local": "2043-07-10T11:44:08+08:00",
              "utc": "2043-07-10T03:44:08Z",
              "ms": 2320112647643.175
            },
            "end": {
              "local": "2043-07-10T12:32:08+08:00",
              "utc": "2043-07-10T04:32:08Z",
              "ms": 2320115527643.175
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:18 on Thu 9 Jul to 18:29 on Fri 10 Jul.",
          "fact": "2043-07-09T11:17:52Z → 2043-07-10T10:28:52Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21404 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Friday 10 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": "2043-07-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Friday 10 July. Caturthī runs from 19:18 on Thu 9 Jul to 18:29 on Fri 10 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-07-10",
      "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/2043/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21402,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2043-07-10T18:28:52+08:00",
          "utc": "2043-07-10T10:28:52Z",
          "ms": 2320136931827.2705
        },
        "end": {
          "local": "2043-07-11T18:28:58+08:00",
          "utc": "2043-07-11T10:28:58Z",
          "ms": 2320223338071.033
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-10T18:28:52+08:00",
          "utc": "2043-07-10T10:28:52Z",
          "ms": 2320136931827.2705
        },
        "end": {
          "local": "2043-07-11T18:28:58+08:00",
          "utc": "2043-07-11T10:28:58Z",
          "ms": 2320223338071.033
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-07-10",
          "window": {
            "start": {
              "local": "2043-07-10T11:44:08+08:00",
              "utc": "2043-07-10T03:44:08Z",
              "ms": 2320112647643.175
            },
            "end": {
              "local": "2043-07-10T12:32:08+08:00",
              "utc": "2043-07-10T04:32:08Z",
              "ms": 2320115527643.175
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-07-11",
          "window": {
            "start": {
              "local": "2043-07-11T11:44:16+08:00",
              "utc": "2043-07-11T03:44:16Z",
              "ms": 2320199055772.62
            },
            "end": {
              "local": "2043-07-11T12:32:16+08:00",
              "utc": "2043-07-11T04:32:16Z",
              "ms": 2320201935772.62
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 18:29 on Fri 10 Jul to 18:29 on Sat 11 Jul.",
          "fact": "2043-07-10T10:28:52Z → 2043-07-11T10:28:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 10th, 11:44–12:32 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21402 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Fuzhou, 2043: Saturday 11 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Skanda pancami (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-07-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Pañcamī 2043 falls on Saturday 11 July. Pañcamī runs from 18:29 on Fri 10 Jul to 18:29 on Sat 11 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24297,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2043-07-12T19:17:21+08:00",
          "utc": "2043-07-12T11:17:21Z",
          "ms": 2320312640757.412
        },
        "end": {
          "local": "2043-07-13T20:48:24+08:00",
          "utc": "2043-07-13T12:48:24Z",
          "ms": 2320404503547.8496
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-12T19:17:21+08:00",
          "utc": "2043-07-12T11:17:21Z",
          "ms": 2320312640757.412
        },
        "end": {
          "local": "2043-07-13T20:48:24+08:00",
          "utc": "2043-07-13T12:48:24Z",
          "ms": 2320404503547.8496
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-07-12",
          "window": {
            "start": {
              "local": "2043-07-12T11:44:23+08:00",
              "utc": "2043-07-12T03:44:23Z",
              "ms": 2320285463442.827
            },
            "end": {
              "local": "2043-07-12T12:32:23+08:00",
              "utc": "2043-07-12T04:32:23Z",
              "ms": 2320288343442.827
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-07-13",
          "window": {
            "start": {
              "local": "2043-07-13T11:44:31+08:00",
              "utc": "2043-07-13T03:44:31Z",
              "ms": 2320371870637.451
            },
            "end": {
              "local": "2043-07-13T12:32:31+08:00",
              "utc": "2043-07-13T04:32:31Z",
              "ms": 2320374750637.451
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 19:17 on Sun 12 Jul to 20:48 on Mon 13 Jul.",
          "fact": "2043-07-12T11:17:21Z → 2043-07-13T12:48:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 12th, 11:45–12:33 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 24297 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Fuzhou, 2043: Monday 13 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vivasvat-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Vivasvat saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-07-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vivasvat Saptamī 2043 falls on Monday 13 July. Saptamī runs from 19:17 on Sun 12 Jul to 20:48 on Mon 13 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-07-18",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2407,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-07-17T03:42:34+08:00",
          "utc": "2043-07-16T19:42:34Z",
          "ms": 2320688554221.989
        },
        "end": {
          "local": "2043-07-18T06:01:54+08:00",
          "utc": "2043-07-17T22:01:54Z",
          "ms": 2320783314165.5737
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-17T03:42:34+08:00",
          "utc": "2043-07-16T19:42:34Z",
          "ms": 2320688554221.989
        },
        "end": {
          "local": "2043-07-18T06:01:54+08:00",
          "utc": "2043-07-17T22:01:54Z",
          "ms": 2320783314165.5737
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-07-17",
          "window": {
            "start": {
              "local": "2043-07-17T05:21:18+08:00",
              "utc": "2043-07-16T21:21:18Z",
              "ms": 2320694478459.0522
            },
            "end": {
              "local": "2043-07-17T05:21:18+08:00",
              "utc": "2043-07-16T21:21:18Z",
              "ms": 2320694478459.0522
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-07-18",
          "window": {
            "start": {
              "local": "2043-07-18T05:21:47+08:00",
              "utc": "2043-07-17T21:21:47Z",
              "ms": 2320780907194.43
            },
            "end": {
              "local": "2043-07-18T05:21:47+08:00",
              "utc": "2043-07-17T21:21:47Z",
              "ms": 2320780907194.43
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:43 on Fri 17 Jul to 06:02 on Sat 18 Jul.",
          "fact": "2043-07-16T19:42:34Z → 2043-07-17T22:01:54Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:21 on the 17th and 05:22 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 on the 18th.",
          "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 2407 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Fuzhou, 2043: Saturday 18 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": "2043-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hariśayanī Ekādaśī 2043 falls on Saturday 18 July. Ekādaśī runs from 03:43 on Fri 17 Jul to 06:02 on Sat 18 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-07-18",
      "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/2043/pradosha-vrata?on=2043-07-19",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33445,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-07-19T08:02:35+08:00",
          "utc": "2043-07-19T00:02:35Z",
          "ms": 2320876954626.769
        },
        "end": {
          "local": "2043-07-20T09:38:03+08:00",
          "utc": "2043-07-20T01:38:03Z",
          "ms": 2320969082522.6895
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-19T08:02:35+08:00",
          "utc": "2043-07-19T00:02:35Z",
          "ms": 2320876954626.769
        },
        "end": {
          "local": "2043-07-20T09:38:03+08:00",
          "utc": "2043-07-20T01:38:03Z",
          "ms": 2320969082522.6895
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-07-19",
          "window": {
            "start": {
              "local": "2043-07-19T18:55:50+08:00",
              "utc": "2043-07-19T10:55:50Z",
              "ms": 2320916150013.306
            },
            "end": {
              "local": "2043-07-19T20:19:25+08:00",
              "utc": "2043-07-19T12:19:25Z",
              "ms": 2320921165381.0317
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2043-07-20",
          "window": {
            "start": {
              "local": "2043-07-20T18:55:28+08:00",
              "utc": "2043-07-20T10:55:28Z",
              "ms": 2321002527922.9497
            },
            "end": {
              "local": "2043-07-20T20:19:10+08:00",
              "utc": "2043-07-20T12:19:10Z",
              "ms": 2321007550142.2393
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:03 on Sun 19 Jul to 09:38 on Mon 20 Jul.",
          "fact": "2043-07-19T00:02:35Z → 2043-07-20T01:38:03Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:19 on the 19th, 18:55–20:19 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 33445 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Sunday 19 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": "2043-07-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Sunday 19 July. Trayodaśī runs from 08:03 on Sun 19 Jul to 09:38 on Mon 20 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-07-19",
      "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/2043/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1255,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-07-21T10:45:20+08:00",
          "utc": "2043-07-21T02:45:20Z",
          "ms": 2321059519788.5386
        },
        "end": {
          "local": "2043-07-22T11:24:17+08:00",
          "utc": "2043-07-22T03:24:17Z",
          "ms": 2321148256606.2773
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-21T10:45:20+08:00",
          "utc": "2043-07-21T02:45:20Z",
          "ms": 2321059519788.5386
        },
        "end": {
          "local": "2043-07-22T11:24:17+08:00",
          "utc": "2043-07-22T03:24:17Z",
          "ms": 2321148256606.2773
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-07-21",
          "window": {
            "start": {
              "local": "2043-07-21T11:45:10+08:00",
              "utc": "2043-07-21T03:45:10Z",
              "ms": 2321063109558.119
            },
            "end": {
              "local": "2043-07-21T12:33:10+08:00",
              "utc": "2043-07-21T04:33:10Z",
              "ms": 2321065989558.119
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-07-22",
          "window": {
            "start": {
              "local": "2043-07-22T11:45:12+08:00",
              "utc": "2043-07-22T03:45:12Z",
              "ms": 2321149511954.2393
            },
            "end": {
              "local": "2043-07-22T12:33:12+08:00",
              "utc": "2043-07-22T04:33:12Z",
              "ms": 2321152391954.2393
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul.",
          "fact": "2043-07-21T02:45:20Z → 2043-07-22T03:24:17Z"
        },
        {
          "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": "Pūrṇimā 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 1255 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Fuzhou, 2043: Tuesday 21 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": "2043-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Guru Pūrṇimā 2043 falls on Tuesday 21 July. Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17292,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-07-21T10:45:20+08:00",
          "utc": "2043-07-21T02:45:20Z",
          "ms": 2321059519788.5386
        },
        "end": {
          "local": "2043-07-22T11:24:17+08:00",
          "utc": "2043-07-22T03:24:17Z",
          "ms": 2321148256606.2773
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-21T10:45:20+08:00",
          "utc": "2043-07-21T02:45:20Z",
          "ms": 2321059519788.5386
        },
        "end": {
          "local": "2043-07-22T11:24:17+08:00",
          "utc": "2043-07-22T03:24:17Z",
          "ms": 2321148256606.2773
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2043-07-21",
          "window": {
            "start": {
              "local": "2043-07-21T16:12:43+08:00",
              "utc": "2043-07-21T08:12:43Z",
              "ms": 2321079162552.4185
            },
            "end": {
              "local": "2043-07-21T18:55:05+08:00",
              "utc": "2043-07-21T10:55:05Z",
              "ms": 2321088904548.618
            }
          },
          "covered_min": 162,
          "window_min": 162,
          "qualifies": true
        },
        {
          "local_date": "2043-07-22",
          "window": {
            "start": {
              "local": "2043-07-22T16:12:29+08:00",
              "utc": "2043-07-22T08:12:29Z",
              "ms": 2321165548722.0215
            },
            "end": {
              "local": "2043-07-22T18:54:40+08:00",
              "utc": "2043-07-22T10:54:40Z",
              "ms": 2321175279900.543
            }
          },
          "covered_min": 0,
          "window_min": 162,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul.",
          "fact": "2043-07-21T02:45:20Z → 2043-07-22T03:24:17Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:55 on the 21st, 16:12–18:55 on the 22nd.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 162 of 162 minutes on the 21st and 0 of 162 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17292 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Fuzhou, 2043: Tuesday 21 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kokila-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kokilā Vrata 2043 falls on Tuesday 21 July. Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27023,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-07-21T10:45:20+08:00",
          "utc": "2043-07-21T02:45:20Z",
          "ms": 2321059519788.5386
        },
        "end": {
          "local": "2043-07-22T11:24:17+08:00",
          "utc": "2043-07-22T03:24:17Z",
          "ms": 2321148256606.2773
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-21T10:45:20+08:00",
          "utc": "2043-07-21T02:45:20Z",
          "ms": 2321059519788.5386
        },
        "end": {
          "local": "2043-07-22T11:24:17+08:00",
          "utc": "2043-07-22T03:24:17Z",
          "ms": 2321148256606.2773
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-07-21",
          "window": {
            "start": {
              "local": "2043-07-21T18:55:05+08:00",
              "utc": "2043-07-21T10:55:05Z",
              "ms": 2321088904548.618
            },
            "end": {
              "local": "2043-07-21T20:18:54+08:00",
              "utc": "2043-07-21T12:18:54Z",
              "ms": 2321093933809.8604
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2043-07-22",
          "window": {
            "start": {
              "local": "2043-07-22T18:54:40+08:00",
              "utc": "2043-07-22T10:54:40Z",
              "ms": 2321175279900.543
            },
            "end": {
              "local": "2043-07-22T20:18:36+08:00",
              "utc": "2043-07-22T12:18:36Z",
              "ms": 2321180316390.1655
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul.",
          "fact": "2043-07-21T02:45:20Z → 2043-07-22T03:24:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:19 on the 21st, 18:55–20:19 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 84 of 84 minutes on the 21st and 0 of 84 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27023 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Fuzhou, 2043: Tuesday 21 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shiva-shayanotsava",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śiva Śayanotsava 2043 falls on Tuesday 21 July. Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9583,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-07-21T10:45:20+08:00",
          "utc": "2043-07-21T02:45:20Z",
          "ms": 2321059519788.5386
        },
        "end": {
          "local": "2043-07-22T11:24:17+08:00",
          "utc": "2043-07-22T03:24:17Z",
          "ms": 2321148256606.2773
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-21T10:45:20+08:00",
          "utc": "2043-07-21T02:45:20Z",
          "ms": 2321059519788.5386
        },
        "end": {
          "local": "2043-07-22T11:24:17+08:00",
          "utc": "2043-07-22T03:24:17Z",
          "ms": 2321148256606.2773
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2043-07-21",
          "window": {
            "start": {
              "local": "2043-07-21T05:23:15+08:00",
              "utc": "2043-07-20T21:23:15Z",
              "ms": 2321040194567.62
            },
            "end": {
              "local": "2043-07-21T08:05:37+08:00",
              "utc": "2043-07-21T00:05:37Z",
              "ms": 2321049936563.82
            }
          },
          "covered_min": 0,
          "window_min": 162,
          "qualifies": false
        },
        {
          "local_date": "2043-07-22",
          "window": {
            "start": {
              "local": "2043-07-22T05:23:44+08:00",
              "utc": "2043-07-21T21:23:44Z",
              "ms": 2321126624007.936
            },
            "end": {
              "local": "2043-07-22T08:05:55+08:00",
              "utc": "2043-07-22T00:05:55Z",
              "ms": 2321136355186.4575
            }
          },
          "covered_min": 162,
          "window_min": 162,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul.",
          "fact": "2043-07-21T02:45:20Z → 2043-07-22T03:24:17Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:23–08:06 on the 21st, 05:24–08:06 on the 22nd.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 162 minutes on the 21st and 162 of 162 on the 22nd.",
          "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 9583 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Fuzhou, 2043: Wednesday 22 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": "2043-07-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vyāsa Pūjā 2043 falls on Wednesday 22 July. Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30272,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2043-07-23T11:36:29+08:00",
          "utc": "2043-07-23T03:36:29Z",
          "ms": 2321235389348.427
        },
        "end": {
          "local": "2043-07-24T11:24:21+08:00",
          "utc": "2043-07-24T03:24:21Z",
          "ms": 2321321060859.603
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-23T11:36:29+08:00",
          "utc": "2043-07-23T03:36:29Z",
          "ms": 2321235389348.427
        },
        "end": {
          "local": "2043-07-24T11:24:21+08:00",
          "utc": "2043-07-24T03:24:21Z",
          "ms": 2321321060859.603
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-07-23",
          "window": {
            "start": {
              "local": "2043-07-23T20:01:01+08:00",
              "utc": "2043-07-23T12:01:01Z",
              "ms": 2321265661197.4155
            },
            "end": {
              "local": "2043-07-23T20:01:01+08:00",
              "utc": "2043-07-23T12:01:01Z",
              "ms": 2321265661197.4155
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-07-24",
          "window": {
            "start": {
              "local": "2043-07-24T20:37:00+08:00",
              "utc": "2043-07-24T12:37:00Z",
              "ms": 2321354219919.008
            },
            "end": {
              "local": "2043-07-24T20:37:00+08:00",
              "utc": "2043-07-24T12:37:00Z",
              "ms": 2321354219919.008
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 11:36 on Thu 23 Jul to 11:24 on Fri 24 Jul.",
          "fact": "2043-07-23T03:36:29Z → 2043-07-24T03:24:21Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:01 on the 23rd and 20:37 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 23rd and is not on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30272 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 2043: Thursday 23 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": "2043-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 2043 falls on Thursday 23 July. Dvitīyā runs from 11:36 on Thu 23 Jul to 11:24 on Fri 24 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-07-25",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-07-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37209,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-07-25T10:50:14+08:00",
          "utc": "2043-07-25T02:50:14Z",
          "ms": 2321405413667.4688
        },
        "end": {
          "local": "2043-07-26T09:56:01+08:00",
          "utc": "2043-07-26T01:56:01Z",
          "ms": 2321488561248.1562
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-25T10:50:14+08:00",
          "utc": "2043-07-25T02:50:14Z",
          "ms": 2321405413667.4688
        },
        "end": {
          "local": "2043-07-26T09:56:01+08:00",
          "utc": "2043-07-26T01:56:01Z",
          "ms": 2321488561248.1562
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-07-25",
          "window": {
            "start": {
              "local": "2043-07-25T21:10:22+08:00",
              "utc": "2043-07-25T13:10:22Z",
              "ms": 2321442622205.519
            },
            "end": {
              "local": "2043-07-25T21:10:22+08:00",
              "utc": "2043-07-25T13:10:22Z",
              "ms": 2321442622205.519
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-07-26",
          "window": {
            "start": {
              "local": "2043-07-26T21:42:31+08:00",
              "utc": "2043-07-26T13:42:31Z",
              "ms": 2321530951147.0205
            },
            "end": {
              "local": "2043-07-26T21:42:31+08:00",
              "utc": "2043-07-26T13:42:31Z",
              "ms": 2321530951147.0205
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:50 on Sat 25 Jul to 09:56 on Sun 26 Jul.",
          "fact": "2043-07-25T02:50:14Z → 2043-07-26T01:56:01Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:10 on the 25th and 21:43 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37209 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Saturday 25 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": "2043-07-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-07-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Saturday 25 July. Caturthī runs from 10:50 on Sat 25 Jul to 09:56 on Sun 26 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-07-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/ekadashi?on=2043-08-01",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25225,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-07-31T22:28:17+08:00",
          "utc": "2043-07-31T14:28:17Z",
          "ms": 2321965697118.129
        },
        "end": {
          "local": "2043-08-01T19:50:38+08:00",
          "utc": "2043-08-01T11:50:38Z",
          "ms": 2322042637772.4126
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-07-31T22:28:17+08:00",
          "utc": "2043-07-31T14:28:17Z",
          "ms": 2321965697118.129
        },
        "end": {
          "local": "2043-08-01T19:50:38+08:00",
          "utc": "2043-08-01T11:50:38Z",
          "ms": 2322042637772.4126
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-08-01",
          "window": {
            "start": {
              "local": "2043-08-01T05:28:42+08:00",
              "utc": "2043-07-31T21:28:42Z",
              "ms": 2321990922459.5576
            },
            "end": {
              "local": "2043-08-01T05:28:42+08:00",
              "utc": "2043-07-31T21:28:42Z",
              "ms": 2321990922459.5576
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-08-02",
          "window": {
            "start": {
              "local": "2043-08-02T05:29:12+08:00",
              "utc": "2043-08-01T21:29:12Z",
              "ms": 2322077352344.626
            },
            "end": {
              "local": "2043-08-02T05:29:12+08:00",
              "utc": "2043-08-01T21:29:12Z",
              "ms": 2322077352344.626
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:28 on Fri 31 Jul to 19:51 on Sat 1 Aug.",
          "fact": "2043-07-31T14:28:17Z → 2043-08-01T11:50:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:29 on the 1st and 05:29 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25225 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Fuzhou, 2043: Saturday 1 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": "2043-08-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmikā Ekādaśī 2043 falls on Saturday 1 August. Ekādaśī runs from 22:28 on Fri 31 Jul to 19:51 on Sat 1 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-08-01",
      "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/2043/pradosha-vrata?on=2043-08-02",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5813,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-08-02T17:11:55+08:00",
          "utc": "2043-08-02T09:11:55Z",
          "ms": 2322119515216.728
        },
        "end": {
          "local": "2043-08-03T14:39:08+08:00",
          "utc": "2043-08-03T06:39:08Z",
          "ms": 2322196748326.629
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-02T17:11:55+08:00",
          "utc": "2043-08-02T09:11:55Z",
          "ms": 2322119515216.728
        },
        "end": {
          "local": "2043-08-03T14:39:08+08:00",
          "utc": "2043-08-03T06:39:08Z",
          "ms": 2322196748326.629
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-08-02",
          "window": {
            "start": {
              "local": "2043-08-02T18:48:48+08:00",
              "utc": "2043-08-02T10:48:48Z",
              "ms": 2322125328283.0513
            },
            "end": {
              "local": "2043-08-02T20:14:15+08:00",
              "utc": "2043-08-02T12:14:15Z",
              "ms": 2322130455467.434
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        },
        {
          "local_date": "2043-08-03",
          "window": {
            "start": {
              "local": "2043-08-03T18:48:09+08:00",
              "utc": "2043-08-03T10:48:09Z",
              "ms": 2322211689351.363
            },
            "end": {
              "local": "2043-08-03T20:13:46+08:00",
              "utc": "2043-08-03T12:13:46Z",
              "ms": 2322216825691.7573
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:12 on Sun 2 Aug to 14:39 on Mon 3 Aug.",
          "fact": "2043-08-02T09:11:55Z → 2043-08-03T06:39:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:14 on the 2nd, 18:48–20:14 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 2nd and 0 of 86 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5813 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Sunday 2 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": "2043-08-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Sunday 2 August. Trayodaśī runs from 17:12 on Sun 2 Aug to 14:39 on Mon 3 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-08-02",
      "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/2043/shivaratri?on=2043-08-03",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32762,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-08-03T14:39:08+08:00",
          "utc": "2043-08-03T06:39:08Z",
          "ms": 2322196748326.629
        },
        "end": {
          "local": "2043-08-04T12:20:04+08:00",
          "utc": "2043-08-04T04:20:04Z",
          "ms": 2322274804069.8335
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-03T14:39:08+08:00",
          "utc": "2043-08-03T06:39:08Z",
          "ms": 2322196748326.629
        },
        "end": {
          "local": "2043-08-04T12:20:04+08:00",
          "utc": "2043-08-04T04:20:04Z",
          "ms": 2322274804069.8335
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-08-03",
          "window": {
            "start": {
              "local": "2043-08-03T23:45:11+08:00",
              "utc": "2043-08-03T15:45:11Z",
              "ms": 2322229510627.842
            },
            "end": {
              "local": "2043-08-04T00:33:11+08:00",
              "utc": "2043-08-03T16:33:11Z",
              "ms": 2322232390627.842
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-08-04",
          "window": {
            "start": {
              "local": "2043-08-04T23:45:05+08:00",
              "utc": "2043-08-04T15:45:05Z",
              "ms": 2322315905428.708
            },
            "end": {
              "local": "2043-08-05T00:33:05+08:00",
              "utc": "2043-08-04T16:33:05Z",
              "ms": 2322318785428.708
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:39 on Mon 3 Aug to 12:20 on Tue 4 Aug.",
          "fact": "2043-08-03T06:39:08Z → 2043-08-04T04:20:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 3rd, 23:45–00:33 on the 4th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32762 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Monday 3 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": "2043-08-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Monday 3 August. Caturdaśī runs from 14:39 on Mon 3 Aug to 12:20 on Tue 4 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-08-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13226,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2043-08-07T08:04:06+08:00",
          "utc": "2043-08-07T00:04:06Z",
          "ms": 2322518646007.3345
        },
        "end": {
          "local": "2043-08-08T07:54:16+08:00",
          "utc": "2043-08-07T23:54:16Z",
          "ms": 2322604456038.973
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-07T08:04:06+08:00",
          "utc": "2043-08-07T00:04:06Z",
          "ms": 2322518646007.3345
        },
        "end": {
          "local": "2043-08-08T07:54:16+08:00",
          "utc": "2043-08-07T23:54:16Z",
          "ms": 2322604456038.973
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-08-07",
          "window": {
            "start": {
              "local": "2043-08-07T11:44:32+08:00",
              "utc": "2043-08-07T03:44:32Z",
              "ms": 2322531871583.2646
            },
            "end": {
              "local": "2043-08-07T12:32:32+08:00",
              "utc": "2043-08-07T04:32:32Z",
              "ms": 2322534751583.2646
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-08-08",
          "window": {
            "start": {
              "local": "2043-08-08T11:44:24+08:00",
              "utc": "2043-08-08T03:44:24Z",
              "ms": 2322618264045.038
            },
            "end": {
              "local": "2043-08-08T12:32:24+08:00",
              "utc": "2043-08-08T04:32:24Z",
              "ms": 2322621144045.038
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 08:04 on Fri 7 Aug to 07:54 on Sat 8 Aug.",
          "fact": "2043-08-07T00:04:06Z → 2043-08-07T23:54:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 7th, 11:44–12:32 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "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 13226 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Fuzhou, 2043: Friday 7 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "madhusrava-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Madhusrava (Gujerat) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 2043 falls on Friday 7 August. Tṛtīyā runs from 08:04 on Fri 7 Aug to 07:54 on Sat 8 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vinayaka-chaturthi?on=2043-08-08",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11799,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-08-08T07:54:16+08:00",
          "utc": "2043-08-07T23:54:16Z",
          "ms": 2322604456038.973
        },
        "end": {
          "local": "2043-08-09T08:27:37+08:00",
          "utc": "2043-08-09T00:27:37Z",
          "ms": 2322692857169.122
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-08T07:54:16+08:00",
          "utc": "2043-08-07T23:54:16Z",
          "ms": 2322604456038.973
        },
        "end": {
          "local": "2043-08-09T08:27:37+08:00",
          "utc": "2043-08-09T00:27:37Z",
          "ms": 2322692857169.122
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-08-08",
          "window": {
            "start": {
              "local": "2043-08-08T11:44:24+08:00",
              "utc": "2043-08-08T03:44:24Z",
              "ms": 2322618264045.038
            },
            "end": {
              "local": "2043-08-08T12:32:24+08:00",
              "utc": "2043-08-08T04:32:24Z",
              "ms": 2322621144045.038
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-08-09",
          "window": {
            "start": {
              "local": "2043-08-09T11:44:16+08:00",
              "utc": "2043-08-09T03:44:16Z",
              "ms": 2322704655911.45
            },
            "end": {
              "local": "2043-08-09T12:32:16+08:00",
              "utc": "2043-08-09T04:32:16Z",
              "ms": 2322707535911.45
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 07:54 on Sat 8 Aug to 08:28 on Sun 9 Aug.",
          "fact": "2043-08-07T23:54:16Z → 2043-08-09T00:27:37Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11799 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Saturday 8 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-08-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Saturday 8 August. Caturthī runs from 07:54 on Sat 8 Aug to 08:28 on Sun 9 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-08-08",
      "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/2043/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7317,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2043-08-09T08:27:37+08:00",
          "utc": "2043-08-09T00:27:37Z",
          "ms": 2322692857169.122
        },
        "end": {
          "local": "2043-08-10T09:42:11+08:00",
          "utc": "2043-08-10T01:42:11Z",
          "ms": 2322783730642.618
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-09T08:27:37+08:00",
          "utc": "2043-08-09T00:27:37Z",
          "ms": 2322692857169.122
        },
        "end": {
          "local": "2043-08-10T09:42:11+08:00",
          "utc": "2043-08-10T01:42:11Z",
          "ms": 2322783730642.618
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-08-09",
          "window": {
            "start": {
              "local": "2043-08-09T11:44:16+08:00",
              "utc": "2043-08-09T03:44:16Z",
              "ms": 2322704655911.45
            },
            "end": {
              "local": "2043-08-09T12:32:16+08:00",
              "utc": "2043-08-09T04:32:16Z",
              "ms": 2322707535911.45
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-08-10",
          "window": {
            "start": {
              "local": "2043-08-10T11:44:07+08:00",
              "utc": "2043-08-10T03:44:07Z",
              "ms": 2322791047186.251
            },
            "end": {
              "local": "2043-08-10T12:32:07+08:00",
              "utc": "2043-08-10T04:32:07Z",
              "ms": 2322793927186.251
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 08:28 on Sun 9 Aug to 09:42 on Mon 10 Aug.",
          "fact": "2043-08-09T00:27:37Z → 2043-08-10T01:42:11Z"
        },
        {
          "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": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7317 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Fuzhou, 2043: Sunday 9 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī 2043 falls on Sunday 9 August. Pañcamī runs from 08:28 on Sun 9 Aug to 09:42 on Mon 10 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-08-16",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26562,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-08-15T20:35:57+08:00",
          "utc": "2043-08-15T12:35:57Z",
          "ms": 2323254956668.3916
        },
        "end": {
          "local": "2043-08-16T22:13:43+08:00",
          "utc": "2043-08-16T14:13:43Z",
          "ms": 2323347222590.9526
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-15T20:35:57+08:00",
          "utc": "2043-08-15T12:35:57Z",
          "ms": 2323254956668.3916
        },
        "end": {
          "local": "2043-08-16T22:13:43+08:00",
          "utc": "2043-08-16T14:13:43Z",
          "ms": 2323347222590.9526
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-08-16",
          "window": {
            "start": {
              "local": "2043-08-16T05:35:57+08:00",
              "utc": "2043-08-15T21:35:57Z",
              "ms": 2323287356940.4663
            },
            "end": {
              "local": "2043-08-16T05:35:57+08:00",
              "utc": "2043-08-15T21:35:57Z",
              "ms": 2323287356940.4663
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-08-17",
          "window": {
            "start": {
              "local": "2043-08-17T05:36:24+08:00",
              "utc": "2043-08-16T21:36:24Z",
              "ms": 2323373784435.5005
            },
            "end": {
              "local": "2043-08-17T05:36:24+08:00",
              "utc": "2043-08-16T21:36:24Z",
              "ms": 2323373784435.5005
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:36 on Sat 15 Aug to 22:14 on Sun 16 Aug.",
          "fact": "2043-08-15T12:35:57Z → 2043-08-16T14:13:43Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:36 on the 16th and 05:36 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 26562 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 2043: Sunday 16 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": "2043-08-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 2043 falls on Sunday 16 August. Ekādaśī runs from 20:36 on Sat 15 Aug to 22:14 on Sun 16 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-08-16",
      "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/2043/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34960,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2043-08-16T22:13:43+08:00",
          "utc": "2043-08-16T14:13:43Z",
          "ms": 2323347222590.9526
        },
        "end": {
          "local": "2043-08-17T23:18:21+08:00",
          "utc": "2043-08-17T15:18:21Z",
          "ms": 2323437501241.037
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-16T22:13:43+08:00",
          "utc": "2043-08-16T14:13:43Z",
          "ms": 2323347222590.9526
        },
        "end": {
          "local": "2043-08-17T23:18:21+08:00",
          "utc": "2043-08-17T15:18:21Z",
          "ms": 2323437501241.037
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-08-16",
          "window": {
            "start": {
              "local": "2043-08-16T11:43:03+08:00",
              "utc": "2043-08-16T03:43:03Z",
              "ms": 2323309382778.4365
            },
            "end": {
              "local": "2043-08-16T12:31:03+08:00",
              "utc": "2043-08-16T04:31:03Z",
              "ms": 2323312262778.4365
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-08-17",
          "window": {
            "start": {
              "local": "2043-08-17T11:42:50+08:00",
              "utc": "2043-08-17T03:42:50Z",
              "ms": 2323395770118.395
            },
            "end": {
              "local": "2043-08-17T12:30:50+08:00",
              "utc": "2043-08-17T04:30:50Z",
              "ms": 2323398650118.395
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 22:14 on Sun 16 Aug to 23:18 on Mon 17 Aug.",
          "fact": "2043-08-16T14:13:43Z → 2043-08-17T15:18:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 16th, 11:43–12:31 on the 17th.",
          "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 16th and 48 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 34960 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Fuzhou, 2043: Monday 17 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "damodara-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-08-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dāmodara Dvādaśī 2043 falls on Monday 17 August. Dvādaśī runs from 22:14 on Sun 16 Aug to 23:18 on Mon 17 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-08-18",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11589,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-08-17T23:18:21+08:00",
          "utc": "2043-08-17T15:18:21Z",
          "ms": 2323437501241.037
        },
        "end": {
          "local": "2043-08-18T23:47:28+08:00",
          "utc": "2043-08-18T15:47:28Z",
          "ms": 2323525648110.678
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-17T23:18:21+08:00",
          "utc": "2043-08-17T15:18:21Z",
          "ms": 2323437501241.037
        },
        "end": {
          "local": "2043-08-18T23:47:28+08:00",
          "utc": "2043-08-18T15:47:28Z",
          "ms": 2323525648110.678
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-08-17",
          "window": {
            "start": {
              "local": "2043-08-17T18:37:16+08:00",
              "utc": "2043-08-17T10:37:16Z",
              "ms": 2323420635801.2896
            },
            "end": {
              "local": "2043-08-17T20:05:13+08:00",
              "utc": "2043-08-17T12:05:13Z",
              "ms": 2323425912590.554
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        },
        {
          "local_date": "2043-08-18",
          "window": {
            "start": {
              "local": "2043-08-18T18:36:22+08:00",
              "utc": "2043-08-18T10:36:22Z",
              "ms": 2323506982155.8535
            },
            "end": {
              "local": "2043-08-18T20:04:30+08:00",
              "utc": "2043-08-18T12:04:30Z",
              "ms": 2323512269708.1646
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:18 on Mon 17 Aug to 23:47 on Tue 18 Aug.",
          "fact": "2043-08-17T15:18:21Z → 2043-08-18T15:47:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:05 on the 17th, 18:36–20:04 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 88 minutes on the 17th and 88 of 88 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11589 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Tuesday 18 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": "2043-08-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Tuesday 18 August. Trayodaśī runs from 23:18 on Mon 17 Aug to 23:47 on Tue 18 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-08-18",
      "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/2043/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20950,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-08-19T23:41:52+08:00",
          "utc": "2043-08-19T15:41:52Z",
          "ms": 2323611711512.5127
        },
        "end": {
          "local": "2043-08-20T23:04:36+08:00",
          "utc": "2043-08-20T15:04:36Z",
          "ms": 2323695875565.9985
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2043-08-20T11:26:56+08:00",
          "utc": "2043-08-20T03:26:56Z",
          "ms": 2323654015757.2837
        },
        "end": {
          "local": "2043-08-20T23:04:36+08:00",
          "utc": "2043-08-20T15:04:36Z",
          "ms": 2323695875565.9985
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2043-08-19",
          "window": {
            "start": {
              "local": "2043-08-19T05:37:19+08:00",
              "utc": "2043-08-18T21:37:19Z",
              "ms": 2323546638798.186
            },
            "end": {
              "local": "2043-08-20T05:37:46+08:00",
              "utc": "2043-08-19T21:37:46Z",
              "ms": 2323633065671.1724
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2043-08-20",
          "window": {
            "start": {
              "local": "2043-08-20T05:37:46+08:00",
              "utc": "2043-08-19T21:37:46Z",
              "ms": 2323633065671.1724
            },
            "end": {
              "local": "2043-08-21T05:38:12+08:00",
              "utc": "2043-08-20T21:38:12Z",
              "ms": 2323719492344.674
            }
          },
          "covered_min": 698,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:42 on Wed 19 Aug to 23:05 on Thu 20 Aug. Its second half begins at 11:27 on Thu 20 Aug.",
          "fact": "2043-08-19T15:41:52Z → 2043-08-20T15:04:36Z · second half from 2043-08-20T03:26:56Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:37 on the 19th, and from 05:38 on the 20th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The second half of Pūrṇimā must be present during the day. It covers 0 of 1440 minutes on the 19th and 698 of 1440 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one day qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20950 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Fuzhou, 2043: Thursday 20 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "raksha-bandhana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "day",
        "priority": "unstated",
        "when_absent": "unstated",
        "half": "second"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 2043 falls on Thursday 20 August. The second half of Pūrṇimā runs from 11:27 on Thu 20 Aug to 23:05 on Thu 20 Aug and lies within that day, sunrise to sunrise.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38066,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-08-19T23:41:52+08:00",
          "utc": "2043-08-19T15:41:52Z",
          "ms": 2323611711512.5127
        },
        "end": {
          "local": "2043-08-20T23:04:36+08:00",
          "utc": "2043-08-20T15:04:36Z",
          "ms": 2323695875565.9985
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-19T23:41:52+08:00",
          "utc": "2043-08-19T15:41:52Z",
          "ms": 2323611711512.5127
        },
        "end": {
          "local": "2043-08-20T23:04:36+08:00",
          "utc": "2043-08-20T15:04:36Z",
          "ms": 2323695875565.9985
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-08-19",
          "window": {
            "start": {
              "local": "2043-08-19T11:42:23+08:00",
              "utc": "2043-08-19T03:42:23Z",
              "ms": 2323568543251.7246
            },
            "end": {
              "local": "2043-08-19T12:30:23+08:00",
              "utc": "2043-08-19T04:30:23Z",
              "ms": 2323571423251.7246
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-08-20",
          "window": {
            "start": {
              "local": "2043-08-20T11:42:09+08:00",
              "utc": "2043-08-20T03:42:09Z",
              "ms": 2323654929073.1504
            },
            "end": {
              "local": "2043-08-20T12:30:09+08:00",
              "utc": "2043-08-20T04:30:09Z",
              "ms": 2323657809073.1504
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:42 on Wed 19 Aug to 23:05 on Thu 20 Aug.",
          "fact": "2043-08-19T15:41:52Z → 2043-08-20T15:04:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 19th, 11:42–12:30 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 38066 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Fuzhou, 2043: Thursday 20 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Tarpaṇa 2043 falls on Thursday 20 August. Pūrṇimā runs from 23:42 on Wed 19 Aug to 23:05 on Thu 20 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2974,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2043-08-21T22:00:03+08:00",
          "utc": "2043-08-21T14:00:03Z",
          "ms": 2323778403141.828
        },
        "end": {
          "local": "2043-08-22T20:33:08+08:00",
          "utc": "2043-08-22T12:33:08Z",
          "ms": 2323859588403.937
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-21T22:00:03+08:00",
          "utc": "2043-08-21T14:00:03Z",
          "ms": 2323778403141.828
        },
        "end": {
          "local": "2043-08-22T20:33:08+08:00",
          "utc": "2043-08-22T12:33:08Z",
          "ms": 2323859588403.937
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-08-21",
          "window": {
            "start": {
              "local": "2043-08-21T19:10:30+08:00",
              "utc": "2043-08-21T11:10:30Z",
              "ms": 2323768229826.863
            },
            "end": {
              "local": "2043-08-21T19:10:30+08:00",
              "utc": "2043-08-21T11:10:30Z",
              "ms": 2323768229826.863
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-08-22",
          "window": {
            "start": {
              "local": "2043-08-22T19:43:34+08:00",
              "utc": "2043-08-22T11:43:34Z",
              "ms": 2323856614119.8584
            },
            "end": {
              "local": "2043-08-22T19:43:34+08:00",
              "utc": "2043-08-22T11:43:34Z",
              "ms": 2323856614119.8584
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 22:00 on Fri 21 Aug to 20:33 on Sat 22 Aug.",
          "fact": "2043-08-21T14:00:03Z → 2043-08-22T12:33:08Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:10 on the 21st and 19:44 on the 22nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 21st and is on the 22nd.",
          "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 2974 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Fuzhou, 2043: Saturday 22 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": "2043-08-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata 2043 falls on Saturday 22 August. Dvitīyā runs from 22:00 on Fri 21 Aug to 20:33 on Sat 22 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22759,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2043-08-22T20:33:08+08:00",
          "utc": "2043-08-22T12:33:08Z",
          "ms": 2323859588403.937
        },
        "end": {
          "local": "2043-08-23T18:48:43+08:00",
          "utc": "2043-08-23T10:48:43Z",
          "ms": 2323939722552.5503
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-22T20:33:08+08:00",
          "utc": "2043-08-22T12:33:08Z",
          "ms": 2323859588403.937
        },
        "end": {
          "local": "2043-08-23T18:48:43+08:00",
          "utc": "2043-08-23T10:48:43Z",
          "ms": 2323939722552.5503
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-08-22",
          "window": {
            "start": {
              "local": "2043-08-22T11:41:39+08:00",
              "utc": "2043-08-22T03:41:39Z",
              "ms": 2323827699302.683
            },
            "end": {
              "local": "2043-08-22T12:29:39+08:00",
              "utc": "2043-08-22T04:29:39Z",
              "ms": 2323830579302.683
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-08-23",
          "window": {
            "start": {
              "local": "2043-08-23T11:41:24+08:00",
              "utc": "2043-08-23T03:41:24Z",
              "ms": 2323914083743.972
            },
            "end": {
              "local": "2043-08-23T12:29:24+08:00",
              "utc": "2043-08-23T04:29:24Z",
              "ms": 2323916963743.972
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 20:33 on Sat 22 Aug to 18:49 on Sun 23 Aug.",
          "fact": "2043-08-22T12:33:08Z → 2043-08-23T10:48:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 22nd, 11:41–12:29 on the 23rd.",
          "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 22nd and 48 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: paraviddha → only-day · margin 22759 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Fuzhou, 2043: Sunday 23 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": "2043-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 2043 falls on Sunday 23 August. Tṛtīyā runs from 20:33 on Sat 22 Aug to 18:49 on Sun 23 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-08-23",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5259,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-08-23T18:48:43+08:00",
          "utc": "2043-08-23T10:48:43Z",
          "ms": 2323939722552.5503
        },
        "end": {
          "local": "2043-08-24T16:51:13+08:00",
          "utc": "2043-08-24T08:51:13Z",
          "ms": 2324019072933.676
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-23T18:48:43+08:00",
          "utc": "2043-08-23T10:48:43Z",
          "ms": 2323939722552.5503
        },
        "end": {
          "local": "2043-08-24T16:51:13+08:00",
          "utc": "2043-08-24T08:51:13Z",
          "ms": 2324019072933.676
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-08-23",
          "window": {
            "start": {
              "local": "2043-08-23T20:16:22+08:00",
              "utc": "2043-08-23T12:16:22Z",
              "ms": 2323944981535.7456
            },
            "end": {
              "local": "2043-08-23T20:16:22+08:00",
              "utc": "2043-08-23T12:16:22Z",
              "ms": 2323944981535.7456
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-08-24",
          "window": {
            "start": {
              "local": "2043-08-24T20:50:24+08:00",
              "utc": "2043-08-24T12:50:24Z",
              "ms": 2324033423651.556
            },
            "end": {
              "local": "2043-08-24T20:50:24+08:00",
              "utc": "2043-08-24T12:50:24Z",
              "ms": 2324033423651.556
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:49 on Sun 23 Aug to 16:51 on Mon 24 Aug.",
          "fact": "2043-08-23T10:48:43Z → 2043-08-24T08:51:13Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:16 on the 23rd and 20:50 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 23rd and is not on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5259 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Sunday 23 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": "2043-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Sunday 23 August. Caturthī runs from 18:49 on Sun 23 Aug to 16:51 on Mon 24 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-08-23",
      "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/2043/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1020,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-08-23T18:48:43+08:00",
          "utc": "2043-08-23T10:48:43Z",
          "ms": 2323939722552.5503
        },
        "end": {
          "local": "2043-08-24T16:51:13+08:00",
          "utc": "2043-08-24T08:51:13Z",
          "ms": 2324019072933.676
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-23T18:48:43+08:00",
          "utc": "2043-08-23T10:48:43Z",
          "ms": 2323939722552.5503
        },
        "end": {
          "local": "2043-08-24T16:51:13+08:00",
          "utc": "2043-08-24T08:51:13Z",
          "ms": 2324019072933.676
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2043-08-23",
          "window": {
            "start": {
              "local": "2043-08-23T15:57:11+08:00",
              "utc": "2043-08-23T07:57:11Z",
              "ms": 2323929430918.556
            },
            "end": {
              "local": "2043-08-23T18:31:42+08:00",
              "utc": "2043-08-23T10:31:42Z",
              "ms": 2323938702368.279
            }
          },
          "covered_min": 0,
          "window_min": 155,
          "qualifies": false
        },
        {
          "local_date": "2043-08-24",
          "window": {
            "start": {
              "local": "2043-08-24T15:56:30+08:00",
              "utc": "2043-08-24T07:56:30Z",
              "ms": 2324015789672.642
            },
            "end": {
              "local": "2043-08-24T18:30:44+08:00",
              "utc": "2043-08-24T10:30:44Z",
              "ms": 2324025044281.607
            }
          },
          "covered_min": 55,
          "window_min": 154,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:49 on Sun 23 Aug to 16:51 on Mon 24 Aug.",
          "fact": "2043-08-23T10:48:43Z → 2043-08-24T08:51:13Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:57–18:32 on the 23rd, 15:56–18:31 on the 24th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 0 of 155 minutes on the 23rd and 55 of 154 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1020 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Fuzhou, 2043: Monday 24 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": "2043-08-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bahulā Caturthī 2043 falls on Monday 24 August. Caturthī runs from 18:49 on Sun 23 Aug to 16:51 on Mon 24 Aug and covers 55 of 154 minutes of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 215,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2043-08-25T14:44:34+08:00",
          "utc": "2043-08-25T06:44:34Z",
          "ms": 2324097874172.1025
        },
        "end": {
          "local": "2043-08-26T12:32:09+08:00",
          "utc": "2043-08-26T04:32:09Z",
          "ms": 2324176329367.119
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-25T14:44:34+08:00",
          "utc": "2043-08-25T06:44:34Z",
          "ms": 2324097874172.1025
        },
        "end": {
          "local": "2043-08-26T12:32:09+08:00",
          "utc": "2043-08-26T04:32:09Z",
          "ms": 2324176329367.119
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-08-25",
          "window": {
            "start": {
              "local": "2043-08-25T11:40:51+08:00",
              "utc": "2043-08-25T03:40:51Z",
              "ms": 2324086851365.701
            },
            "end": {
              "local": "2043-08-25T12:28:51+08:00",
              "utc": "2043-08-25T04:28:51Z",
              "ms": 2324089731365.701
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-08-26",
          "window": {
            "start": {
              "local": "2043-08-26T11:40:35+08:00",
              "utc": "2043-08-26T03:40:35Z",
              "ms": 2324173234580.5874
            },
            "end": {
              "local": "2043-08-26T12:28:35+08:00",
              "utc": "2043-08-26T04:28:35Z",
              "ms": 2324176114580.5874
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 14:45 on Tue 25 Aug to 12:32 on Wed 26 Aug.",
          "fact": "2043-08-25T06:44:34Z → 2043-08-26T04:32:09Z"
        },
        {
          "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": "Ṣaṣṭhī 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 215 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Fuzhou, 2043: Wednesday 26 August.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2043-08-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hala Ṣaṣṭhī 2043 falls on Wednesday 26 August. Ṣaṣṭhī runs from 14:45 on Tue 25 Aug to 12:32 on Wed 26 Aug and covers all of madhyāhna that midday. It is 3 min 35 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27204,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-08-27T10:16:59+08:00",
          "utc": "2043-08-27T02:16:59Z",
          "ms": 2324254618953.7456
        },
        "end": {
          "local": "2043-08-28T08:01:54+08:00",
          "utc": "2043-08-28T00:01:54Z",
          "ms": 2324332914354.657
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-27T10:16:59+08:00",
          "utc": "2043-08-27T02:16:59Z",
          "ms": 2324254618953.7456
        },
        "end": {
          "local": "2043-08-28T08:01:54+08:00",
          "utc": "2043-08-28T00:01:54Z",
          "ms": 2324332914354.657
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-08-26",
          "window": {
            "start": {
              "local": "2043-08-26T23:40:47+08:00",
              "utc": "2043-08-26T15:40:47Z",
              "ms": 2324216447397.374
            },
            "end": {
              "local": "2043-08-27T00:28:47+08:00",
              "utc": "2043-08-26T16:28:47Z",
              "ms": 2324219327397.374
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-08-27",
          "window": {
            "start": {
              "local": "2043-08-27T23:40:30+08:00",
              "utc": "2043-08-27T15:40:30Z",
              "ms": 2324302830163.7974
            },
            "end": {
              "local": "2043-08-28T00:28:30+08:00",
              "utc": "2043-08-27T16:28:30Z",
              "ms": 2324305710163.7974
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 10:17 on Thu 27 Aug to 08:02 on Fri 28 Aug.",
          "fact": "2043-08-27T02:16:59Z → 2043-08-28T00:01:54Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 26th, 23:41–00:29 on the 27th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 27204 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Fuzhou, 2043: Thursday 27 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": "2043-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Janmāṣṭamī 2043 falls on Thursday 27 August. Aṣṭamī runs from 10:17 on Thu 27 Aug to 08:02 on Fri 28 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-27",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 215,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2043-08-26T12:32:09+08:00",
          "utc": "2043-08-26T04:32:09Z",
          "ms": 2324176329367.119
        },
        "end": {
          "local": "2043-08-27T10:16:59+08:00",
          "utc": "2043-08-27T02:16:59Z",
          "ms": 2324254618953.7456
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-26T12:32:09+08:00",
          "utc": "2043-08-26T04:32:09Z",
          "ms": 2324176329367.119
        },
        "end": {
          "local": "2043-08-27T10:16:59+08:00",
          "utc": "2043-08-27T02:16:59Z",
          "ms": 2324254618953.7456
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-08-26",
          "window": {
            "start": {
              "local": "2043-08-26T11:40:35+08:00",
              "utc": "2043-08-26T03:40:35Z",
              "ms": 2324173234580.5874
            },
            "end": {
              "local": "2043-08-26T12:28:35+08:00",
              "utc": "2043-08-26T04:28:35Z",
              "ms": 2324176114580.5874
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-08-27",
          "window": {
            "start": {
              "local": "2043-08-27T11:40:17+08:00",
              "utc": "2043-08-27T03:40:17Z",
              "ms": 2324259617420.4287
            },
            "end": {
              "local": "2043-08-27T12:28:17+08:00",
              "utc": "2043-08-27T04:28:17Z",
              "ms": 2324262497420.4287
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 12:32 on Wed 26 Aug to 10:17 on Thu 27 Aug.",
          "fact": "2043-08-26T04:32:09Z → 2043-08-27T02:16:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:40–12:28 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 215 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Fuzhou, 2043: Thursday 27 August.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2043-08-27",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śītalā Saptamī 2043 falls on Thursday 27 August. Saptamī runs from 12:32 on Wed 26 Aug to 10:17 on Thu 27 Aug, and reaches madhyāhna on neither day. It is 3 min 35 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-08-30",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7072,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-08-30T03:44:13+08:00",
          "utc": "2043-08-29T19:44:13Z",
          "ms": 2324490252616.898
        },
        "end": {
          "local": "2043-08-31T01:48:38+08:00",
          "utc": "2043-08-30T17:48:38Z",
          "ms": 2324569718390.1416
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-08-30T03:44:13+08:00",
          "utc": "2043-08-29T19:44:13Z",
          "ms": 2324490252616.898
        },
        "end": {
          "local": "2043-08-31T01:48:38+08:00",
          "utc": "2043-08-30T17:48:38Z",
          "ms": 2324569718390.1416
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-08-30",
          "window": {
            "start": {
              "local": "2043-08-30T05:42:05+08:00",
              "utc": "2043-08-29T21:42:05Z",
              "ms": 2324497324646.9214
            },
            "end": {
              "local": "2043-08-30T05:42:05+08:00",
              "utc": "2043-08-29T21:42:05Z",
              "ms": 2324497324646.9214
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-08-31",
          "window": {
            "start": {
              "local": "2043-08-31T05:42:30+08:00",
              "utc": "2043-08-30T21:42:30Z",
              "ms": 2324583749723.945
            },
            "end": {
              "local": "2043-08-31T05:42:30+08:00",
              "utc": "2043-08-30T21:42:30Z",
              "ms": 2324583749723.945
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:44 on Sun 30 Aug to 01:49 on Mon 31 Aug.",
          "fact": "2043-08-29T19:44:13Z → 2043-08-30T17:48:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:42 on the 30th and 05:42 on the 31st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7072 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Fuzhou, 2043: Sunday 30 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": "2043-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ajā Ekādaśī 2043 falls on Sunday 30 August. Ekādaśī runs from 03:44 on Sun 30 Aug to 01:49 on Mon 31 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-08-30",
      "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/2043/pradosha-vrata?on=2043-09-01",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10315,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-09-01T00:07:27+08:00",
          "utc": "2043-08-31T16:07:27Z",
          "ms": 2324650046817.193
        },
        "end": {
          "local": "2043-09-01T22:45:19+08:00",
          "utc": "2043-09-01T14:45:19Z",
          "ms": 2324731519003.0654
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-01T00:07:27+08:00",
          "utc": "2043-08-31T16:07:27Z",
          "ms": 2324650046817.193
        },
        "end": {
          "local": "2043-09-01T22:45:19+08:00",
          "utc": "2043-09-01T14:45:19Z",
          "ms": 2324731519003.0654
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-08-31",
          "window": {
            "start": {
              "local": "2043-08-31T18:23:41+08:00",
              "utc": "2043-08-31T10:23:41Z",
              "ms": 2324629420946.0254
            },
            "end": {
              "local": "2043-08-31T19:54:15+08:00",
              "utc": "2043-08-31T11:54:15Z",
              "ms": 2324634854776.229
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        },
        {
          "local_date": "2043-09-01",
          "window": {
            "start": {
              "local": "2043-09-01T18:22:38+08:00",
              "utc": "2043-09-01T10:22:38Z",
              "ms": 2324715758372.7603
            },
            "end": {
              "local": "2043-09-01T19:53:24+08:00",
              "utc": "2043-09-01T11:53:24Z",
              "ms": 2324721203855.922
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:07 on Tue 1 Sep to 22:45 on Tue 1 Sep.",
          "fact": "2043-08-31T16:07:27Z → 2043-09-01T14:45:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:54 on the 31st, 18:23–19:53 on the 1st.",
          "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 91 minutes on the 31st and 91 of 91 on the 1st.",
          "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 10315 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Tuesday 1 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": "2043-09-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Tuesday 1 September. Trayodaśī runs from 00:07 on Tue 1 Sep to 22:45 on Tue 1 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-09-01",
      "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/2043/shivaratri?on=2043-09-01",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3220,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-09-01T22:45:19+08:00",
          "utc": "2043-09-01T14:45:19Z",
          "ms": 2324731519003.0654
        },
        "end": {
          "local": "2043-09-02T21:47:06+08:00",
          "utc": "2043-09-02T13:47:06Z",
          "ms": 2324814426112.805
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-01T22:45:19+08:00",
          "utc": "2043-09-01T14:45:19Z",
          "ms": 2324731519003.0654
        },
        "end": {
          "local": "2043-09-02T21:47:06+08:00",
          "utc": "2043-09-02T13:47:06Z",
          "ms": 2324814426112.805
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-09-01",
          "window": {
            "start": {
              "local": "2043-09-01T23:38:59+08:00",
              "utc": "2043-09-01T15:38:59Z",
              "ms": 2324734738934.615
            },
            "end": {
              "local": "2043-09-02T00:26:59+08:00",
              "utc": "2043-09-01T16:26:59Z",
              "ms": 2324737618934.615
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-09-02",
          "window": {
            "start": {
              "local": "2043-09-02T23:38:40+08:00",
              "utc": "2043-09-02T15:38:40Z",
              "ms": 2324821119772.0312
            },
            "end": {
              "local": "2043-09-03T00:26:40+08:00",
              "utc": "2043-09-02T16:26:40Z",
              "ms": 2324823999772.0312
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:45 on Tue 1 Sep to 21:47 on Wed 2 Sep.",
          "fact": "2043-09-01T14:45:19Z → 2043-09-02T13:47:06Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 1st, 23:39–00:27 on the 2nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3220 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Tuesday 1 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": "2043-09-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Tuesday 1 September. Caturdaśī runs from 22:45 on Tue 1 Sep to 21:47 on Wed 2 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-09-01",
      "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/2043/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6874,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-09-01T22:45:19+08:00",
          "utc": "2043-09-01T14:45:19Z",
          "ms": 2324731519003.0654
        },
        "end": {
          "local": "2043-09-02T21:47:06+08:00",
          "utc": "2043-09-02T13:47:06Z",
          "ms": 2324814426112.805
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-01T22:45:19+08:00",
          "utc": "2043-09-01T14:45:19Z",
          "ms": 2324731519003.0654
        },
        "end": {
          "local": "2043-09-02T21:47:06+08:00",
          "utc": "2043-09-02T13:47:06Z",
          "ms": 2324814426112.805
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-09-01",
          "window": {
            "start": {
              "local": "2043-09-01T18:22:38+08:00",
              "utc": "2043-09-01T10:22:38Z",
              "ms": 2324715758372.7603
            },
            "end": {
              "local": "2043-09-01T19:53:24+08:00",
              "utc": "2043-09-01T11:53:24Z",
              "ms": 2324721203855.922
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        },
        {
          "local_date": "2043-09-02",
          "window": {
            "start": {
              "local": "2043-09-02T18:21:35+08:00",
              "utc": "2043-09-02T10:21:35Z",
              "ms": 2324802095344.379
            },
            "end": {
              "local": "2043-09-02T19:52:33+08:00",
              "utc": "2043-09-02T11:52:33Z",
              "ms": 2324807552525.086
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:45 on Tue 1 Sep to 21:47 on Wed 2 Sep.",
          "fact": "2043-09-01T14:45:19Z → 2043-09-02T13:47:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:53 on the 1st, 18:22–19:53 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 1st and 91 of 91 on the 2nd.",
          "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 6874 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Fuzhou, 2043: Wednesday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aghora-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Aghora caturdasi (pradosa vyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aghora Caturdaśī 2043 falls on Wednesday 2 September. Caturdaśī runs from 22:45 on Tue 1 Sep to 21:47 on Wed 2 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31877,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2043-09-03T21:17:25+08:00",
          "utc": "2043-09-03T13:17:25Z",
          "ms": 2324899045208.3345
        },
        "end": {
          "local": "2043-09-04T21:20:05+08:00",
          "utc": "2043-09-04T13:20:05Z",
          "ms": 2324985605389.2144
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-03T21:17:25+08:00",
          "utc": "2043-09-03T13:17:25Z",
          "ms": 2324899045208.3345
        },
        "end": {
          "local": "2043-09-04T21:20:05+08:00",
          "utc": "2043-09-04T13:20:05Z",
          "ms": 2324985605389.2144
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-09-03",
          "window": {
            "start": {
              "local": "2043-09-03T11:38:08+08:00",
              "utc": "2043-09-03T03:38:08Z",
              "ms": 2324864288041.401
            },
            "end": {
              "local": "2043-09-03T12:26:08+08:00",
              "utc": "2043-09-03T04:26:08Z",
              "ms": 2324867168041.401
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-09-04",
          "window": {
            "start": {
              "local": "2043-09-04T11:37:48+08:00",
              "utc": "2043-09-04T03:37:48Z",
              "ms": 2324950668399.0327
            },
            "end": {
              "local": "2043-09-04T12:25:48+08:00",
              "utc": "2043-09-04T04:25:48Z",
              "ms": 2324953548399.0327
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 21:17 on Thu 3 Sep to 21:20 on Fri 4 Sep.",
          "fact": "2043-09-03T13:17:25Z → 2043-09-04T13:20:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 3rd, 11:38–12:26 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 31877 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Fuzhou, 2043: Friday 4 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": "2043-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rudra Vrata 2043 falls on Friday 4 September. Pratipadā runs from 21:17 on Thu 3 Sep to 21:20 on Fri 4 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34317,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2043-09-05T21:57:25+08:00",
          "utc": "2043-09-05T13:57:25Z",
          "ms": 2325074245114.867
        },
        "end": {
          "local": "2043-09-06T23:09:24+08:00",
          "utc": "2043-09-06T15:09:24Z",
          "ms": 2325164964313.7383
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-05T21:57:25+08:00",
          "utc": "2043-09-05T13:57:25Z",
          "ms": 2325074245114.867
        },
        "end": {
          "local": "2043-09-06T23:09:24+08:00",
          "utc": "2043-09-06T15:09:24Z",
          "ms": 2325164964313.7383
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-09-05",
          "window": {
            "start": {
              "local": "2043-09-05T11:37:29+08:00",
              "utc": "2043-09-05T03:37:29Z",
              "ms": 2325037048507.297
            },
            "end": {
              "local": "2043-09-05T12:25:29+08:00",
              "utc": "2043-09-05T04:25:29Z",
              "ms": 2325039928507.297
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-09-06",
          "window": {
            "start": {
              "local": "2043-09-06T11:37:08+08:00",
              "utc": "2043-09-06T03:37:08Z",
              "ms": 2325123428380.827
            },
            "end": {
              "local": "2043-09-06T12:25:08+08:00",
              "utc": "2043-09-06T04:25:08Z",
              "ms": 2325126308380.827
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 21:57 on Sat 5 Sep to 23:09 on Sun 6 Sep.",
          "fact": "2043-09-05T13:57:25Z → 2043-09-06T15:09:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 5th, 11:37–12:25 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "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 34317 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Fuzhou, 2043: Sunday 6 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": "2043-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 2043 falls on Sunday 6 September. Tṛtīyā runs from 21:57 on Sat 5 Sep to 23:09 on Sun 6 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38608,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-09-06T23:09:24+08:00",
          "utc": "2043-09-06T15:09:24Z",
          "ms": 2325164964313.7383
        },
        "end": {
          "local": "2043-09-08T00:53:00+08:00",
          "utc": "2043-09-07T16:53:00Z",
          "ms": 2325257579589.369
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-06T23:09:24+08:00",
          "utc": "2043-09-06T15:09:24Z",
          "ms": 2325164964313.7383
        },
        "end": {
          "local": "2043-09-08T00:53:00+08:00",
          "utc": "2043-09-07T16:53:00Z",
          "ms": 2325257579589.369
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-09-07",
          "window": {
            "start": {
              "local": "2043-09-07T11:36:48+08:00",
              "utc": "2043-09-07T03:36:48Z",
              "ms": 2325209808035.037
            },
            "end": {
              "local": "2043-09-07T12:24:48+08:00",
              "utc": "2043-09-07T04:24:48Z",
              "ms": 2325212688035.037
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-09-08",
          "window": {
            "start": {
              "local": "2043-09-08T11:36:27+08:00",
              "utc": "2043-09-08T03:36:27Z",
              "ms": 2325296187485.99
            },
            "end": {
              "local": "2043-09-08T12:24:27+08:00",
              "utc": "2043-09-08T04:24:27Z",
              "ms": 2325299067485.99
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:09 on Sun 6 Sep to 00:53 on Tue 8 Sep.",
          "fact": "2043-09-06T15:09:24Z → 2043-09-07T16:53:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 7th, 11:36–12:24 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 38608 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Fuzhou, 2043: Monday 7 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": "2043-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Caturthī 2043 falls on Monday 7 September. Caturthī runs from 23:09 on Sun 6 Sep to 00:53 on Tue 8 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30870,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2043-09-08T00:53:00+08:00",
          "utc": "2043-09-07T16:53:00Z",
          "ms": 2325257579589.369
        },
        "end": {
          "local": "2043-09-09T03:01:36+08:00",
          "utc": "2043-09-08T19:01:36Z",
          "ms": 2325351696407.3335
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-08T00:53:00+08:00",
          "utc": "2043-09-07T16:53:00Z",
          "ms": 2325257579589.369
        },
        "end": {
          "local": "2043-09-09T03:01:36+08:00",
          "utc": "2043-09-08T19:01:36Z",
          "ms": 2325351696407.3335
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-09-08",
          "window": {
            "start": {
              "local": "2043-09-08T11:36:27+08:00",
              "utc": "2043-09-08T03:36:27Z",
              "ms": 2325296187485.99
            },
            "end": {
              "local": "2043-09-08T12:24:27+08:00",
              "utc": "2043-09-08T04:24:27Z",
              "ms": 2325299067485.99
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-09-09",
          "window": {
            "start": {
              "local": "2043-09-09T11:36:07+08:00",
              "utc": "2043-09-09T03:36:07Z",
              "ms": 2325382566750.4727
            },
            "end": {
              "local": "2043-09-09T12:24:07+08:00",
              "utc": "2043-09-09T04:24:07Z",
              "ms": 2325385446750.4727
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 00:53 on Tue 8 Sep to 03:02 on Wed 9 Sep.",
          "fact": "2043-09-07T16:53:00Z → 2043-09-08T19:01:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 8th, 11:36–12:24 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 30870 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Fuzhou, 2043: Tuesday 8 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": "2043-09-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Pañcamī 2043 falls on Tuesday 8 September. Pañcamī runs from 00:53 on Tue 8 Sep to 03:02 on Wed 9 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22231,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2043-09-09T03:01:36+08:00",
          "utc": "2043-09-08T19:01:36Z",
          "ms": 2325351696407.3335
        },
        "end": {
          "local": "2043-09-10T05:25:15+08:00",
          "utc": "2043-09-09T21:25:15Z",
          "ms": 2325446715053.076
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-09T03:01:36+08:00",
          "utc": "2043-09-08T19:01:36Z",
          "ms": 2325351696407.3335
        },
        "end": {
          "local": "2043-09-10T05:25:15+08:00",
          "utc": "2043-09-09T21:25:15Z",
          "ms": 2325446715053.076
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-09-09",
          "window": {
            "start": {
              "local": "2043-09-09T11:36:07+08:00",
              "utc": "2043-09-09T03:36:07Z",
              "ms": 2325382566750.4727
            },
            "end": {
              "local": "2043-09-09T12:24:07+08:00",
              "utc": "2043-09-09T04:24:07Z",
              "ms": 2325385446750.4727
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-09-10",
          "window": {
            "start": {
              "local": "2043-09-10T11:35:46+08:00",
              "utc": "2043-09-10T03:35:46Z",
              "ms": 2325468945845.925
            },
            "end": {
              "local": "2043-09-10T12:23:46+08:00",
              "utc": "2043-09-10T04:23:46Z",
              "ms": 2325471825845.925
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 03:02 on Wed 9 Sep to 05:25 on Thu 10 Sep.",
          "fact": "2043-09-08T19:01:36Z → 2043-09-09T21:25:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 9th, 11:36–12:24 on the 10th.",
          "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 9th and 0 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: paraviddha → only-day · margin 22231 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 2043: Wednesday 9 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": "2043-09-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 2043 falls on Wednesday 9 September. Ṣaṣṭhī runs from 03:02 on Wed 9 Sep to 05:25 on Thu 10 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13442,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2043-09-10T05:25:15+08:00",
          "utc": "2043-09-09T21:25:15Z",
          "ms": 2325446715053.076
        },
        "end": {
          "local": "2043-09-11T07:51:22+08:00",
          "utc": "2043-09-10T23:51:22Z",
          "ms": 2325541882308.375
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-10T05:25:15+08:00",
          "utc": "2043-09-09T21:25:15Z",
          "ms": 2325446715053.076
        },
        "end": {
          "local": "2043-09-11T07:51:22+08:00",
          "utc": "2043-09-10T23:51:22Z",
          "ms": 2325541882308.375
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-09-10",
          "window": {
            "start": {
              "local": "2043-09-10T11:35:46+08:00",
              "utc": "2043-09-10T03:35:46Z",
              "ms": 2325468945845.925
            },
            "end": {
              "local": "2043-09-10T12:23:46+08:00",
              "utc": "2043-09-10T04:23:46Z",
              "ms": 2325471825845.925
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-09-11",
          "window": {
            "start": {
              "local": "2043-09-11T11:35:25+08:00",
              "utc": "2043-09-11T03:35:25Z",
              "ms": 2325555324790.6475
            },
            "end": {
              "local": "2043-09-11T12:23:25+08:00",
              "utc": "2043-09-11T04:23:25Z",
              "ms": 2325558204790.6475
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 05:25 on Thu 10 Sep to 07:51 on Fri 11 Sep.",
          "fact": "2043-09-09T21:25:15Z → 2043-09-10T23:51:22Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 10th, 11:35–12:23 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 13442 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Fuzhou, 2043: Thursday 10 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": "2043-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Muktābharaṇa Vrata 2043 falls on Thursday 10 September. Saptamī runs from 05:25 on Thu 10 Sep to 07:51 on Fri 11 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5318,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-09-11T07:51:22+08:00",
          "utc": "2043-09-10T23:51:22Z",
          "ms": 2325541882308.375
        },
        "end": {
          "local": "2043-09-12T10:06:26+08:00",
          "utc": "2043-09-12T02:06:26Z",
          "ms": 2325636385912.2925
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-11T07:51:22+08:00",
          "utc": "2043-09-10T23:51:22Z",
          "ms": 2325541882308.375
        },
        "end": {
          "local": "2043-09-12T10:06:26+08:00",
          "utc": "2043-09-12T02:06:26Z",
          "ms": 2325636385912.2925
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-09-11",
          "window": {
            "start": {
              "local": "2043-09-11T11:35:25+08:00",
              "utc": "2043-09-11T03:35:25Z",
              "ms": 2325555324790.6475
            },
            "end": {
              "local": "2043-09-11T12:23:25+08:00",
              "utc": "2043-09-11T04:23:25Z",
              "ms": 2325558204790.6475
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-09-12",
          "window": {
            "start": {
              "local": "2043-09-12T11:35:04+08:00",
              "utc": "2043-09-12T03:35:04Z",
              "ms": 2325641703602.5195
            },
            "end": {
              "local": "2043-09-12T12:23:04+08:00",
              "utc": "2043-09-12T04:23:04Z",
              "ms": 2325644583602.5195
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 07:51 on Fri 11 Sep to 10:06 on Sat 12 Sep.",
          "fact": "2043-09-10T23:51:22Z → 2043-09-12T02:06:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 11th, 11:35–12:23 on the 12th.",
          "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 11th and 0 of 48 on the 12th.",
          "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 5318 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Fuzhou, 2043: Friday 11 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": "2043-09-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rādhāṣṭamī 2043 falls on Friday 11 September. Aṣṭamī runs from 07:51 on Fri 11 Sep to 10:06 on Sat 12 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-09-15",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26846,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-09-14T13:15:36+08:00",
          "utc": "2043-09-14T05:15:36Z",
          "ms": 2325820536121.5645
        },
        "end": {
          "local": "2043-09-15T13:53:29+08:00",
          "utc": "2043-09-15T05:53:29Z",
          "ms": 2325909209200.395
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-14T13:15:36+08:00",
          "utc": "2043-09-14T05:15:36Z",
          "ms": 2325820536121.5645
        },
        "end": {
          "local": "2043-09-15T13:53:29+08:00",
          "utc": "2043-09-15T05:53:29Z",
          "ms": 2325909209200.395
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-09-14",
          "window": {
            "start": {
              "local": "2043-09-14T05:48:10+08:00",
              "utc": "2043-09-13T21:48:10Z",
              "ms": 2325793689843.7476
            },
            "end": {
              "local": "2043-09-14T05:48:10+08:00",
              "utc": "2043-09-13T21:48:10Z",
              "ms": 2325793689843.7476
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-09-15",
          "window": {
            "start": {
              "local": "2043-09-15T05:48:34+08:00",
              "utc": "2043-09-14T21:48:34Z",
              "ms": 2325880113687.346
            },
            "end": {
              "local": "2043-09-15T05:48:34+08:00",
              "utc": "2043-09-14T21:48:34Z",
              "ms": 2325880113687.346
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:16 on Mon 14 Sep to 13:53 on Tue 15 Sep.",
          "fact": "2043-09-14T05:15:36Z → 2043-09-15T05:53:29Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:48 on the 14th and 05:49 on the 15th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is 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 26846 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Fuzhou, 2043: Tuesday 15 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": "2043-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Parivartanī Ekādaśī 2043 falls on Tuesday 15 September. Ekādaśī runs from 13:16 on Mon 14 Sep to 13:53 on Tue 15 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-09-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5250,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2043-09-15T13:53:29+08:00",
          "utc": "2043-09-15T05:53:29Z",
          "ms": 2325909209200.395
        },
        "end": {
          "local": "2043-09-16T13:49:08+08:00",
          "utc": "2043-09-16T05:49:08Z",
          "ms": 2325995348402.1343
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-15T13:53:29+08:00",
          "utc": "2043-09-15T05:53:29Z",
          "ms": 2325909209200.395
        },
        "end": {
          "local": "2043-09-16T13:49:08+08:00",
          "utc": "2043-09-16T05:49:08Z",
          "ms": 2325995348402.1343
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-09-15",
          "window": {
            "start": {
              "local": "2043-09-15T11:33:59+08:00",
              "utc": "2043-09-15T03:33:59Z",
              "ms": 2325900839439.922
            },
            "end": {
              "local": "2043-09-15T12:21:59+08:00",
              "utc": "2043-09-15T04:21:59Z",
              "ms": 2325903719439.922
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-09-16",
          "window": {
            "start": {
              "local": "2043-09-16T11:33:38+08:00",
              "utc": "2043-09-16T03:33:38Z",
              "ms": 2325987217920.99
            },
            "end": {
              "local": "2043-09-16T12:21:38+08:00",
              "utc": "2043-09-16T04:21:38Z",
              "ms": 2325990097920.99
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 13:53 on Tue 15 Sep to 13:49 on Wed 16 Sep.",
          "fact": "2043-09-15T05:53:29Z → 2043-09-16T05:49:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 15th, 11:34–12:22 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5250 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Fuzhou, 2043: Wednesday 16 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vamana-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-09-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vāmana Jayantī 2043 falls on Wednesday 16 September. Dvādaśī runs from 13:53 on Tue 15 Sep to 13:49 on Wed 16 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-09-16",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15430,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-09-16T13:49:08+08:00",
          "utc": "2043-09-16T05:49:08Z",
          "ms": 2325995348402.1343
        },
        "end": {
          "local": "2043-09-17T13:03:44+08:00",
          "utc": "2043-09-17T05:03:44Z",
          "ms": 2326079023539.66
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-16T13:49:08+08:00",
          "utc": "2043-09-16T05:49:08Z",
          "ms": 2325995348402.1343
        },
        "end": {
          "local": "2043-09-17T13:03:44+08:00",
          "utc": "2043-09-17T05:03:44Z",
          "ms": 2326079023539.66
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-09-16",
          "window": {
            "start": {
              "local": "2043-09-16T18:06:18+08:00",
              "utc": "2043-09-16T10:06:18Z",
              "ms": 2326010778307.921
            },
            "end": {
              "local": "2043-09-16T19:40:03+08:00",
              "utc": "2043-09-16T11:40:03Z",
              "ms": 2326016402720.1553
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        },
        {
          "local_date": "2043-09-17",
          "window": {
            "start": {
              "local": "2043-09-17T18:05:11+08:00",
              "utc": "2043-09-17T10:05:11Z",
              "ms": 2326097111344.939
            },
            "end": {
              "local": "2043-09-17T19:39:08+08:00",
              "utc": "2043-09-17T11:39:08Z",
              "ms": 2326102747872.439
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:49 on Wed 16 Sep to 13:04 on Thu 17 Sep.",
          "fact": "2043-09-16T05:49:08Z → 2043-09-17T05:03:44Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:40 on the 16th, 18:05–19:39 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 94 of 94 minutes on the 16th and 0 of 94 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 15430 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Wednesday 16 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": "2043-09-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Wednesday 16 September. Trayodaśī runs from 13:49 on Wed 16 Sep to 13:04 on Thu 17 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-09-16",
      "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/2043/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12271,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-09-17T13:03:44+08:00",
          "utc": "2043-09-17T05:03:44Z",
          "ms": 2326079023539.66
        },
        "end": {
          "local": "2043-09-18T11:41:08+08:00",
          "utc": "2043-09-18T03:41:08Z",
          "ms": 2326160468305.58
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-17T13:03:44+08:00",
          "utc": "2043-09-17T05:03:44Z",
          "ms": 2326079023539.66
        },
        "end": {
          "local": "2043-09-18T11:41:08+08:00",
          "utc": "2043-09-18T03:41:08Z",
          "ms": 2326160468305.58
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2043-09-17",
          "window": {
            "start": {
              "local": "2043-09-17T05:49:21+08:00",
              "utc": "2043-09-16T21:49:21Z",
              "ms": 2326052961399.6777
            },
            "end": {
              "local": "2043-09-17T08:16:31+08:00",
              "utc": "2043-09-17T00:16:31Z",
              "ms": 2326061791388.73
            }
          },
          "covered_min": 0,
          "window_min": 147,
          "qualifies": false
        },
        {
          "local_date": "2043-09-18",
          "window": {
            "start": {
              "local": "2043-09-18T05:49:45+08:00",
              "utc": "2043-09-17T21:49:45Z",
              "ms": 2326139385301.1904
            },
            "end": {
              "local": "2043-09-18T08:16:37+08:00",
              "utc": "2043-09-18T00:16:37Z",
              "ms": 2326148197107.3706
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:04 on Thu 17 Sep to 11:41 on Fri 18 Sep.",
          "fact": "2043-09-17T05:03:44Z → 2043-09-18T03:41:08Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:49–08:17 on the 17th, 05:50–08:17 on the 18th.",
          "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 147 minutes on the 17th and 147 of 147 on the 18th.",
          "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 12271 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Fuzhou, 2043: Friday 18 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": "2043-09-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ananta Caturdaśī 2043 falls on Friday 18 September. Caturdaśī runs from 13:04 on Thu 17 Sep to 11:41 on Fri 18 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-09-22",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11603,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-09-22T02:07:44+08:00",
          "utc": "2043-09-21T18:07:44Z",
          "ms": 2326471663818.2266
        },
        "end": {
          "local": "2043-09-22T23:19:53+08:00",
          "utc": "2043-09-22T15:19:53Z",
          "ms": 2326547993413.4067
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-22T02:07:44+08:00",
          "utc": "2043-09-21T18:07:44Z",
          "ms": 2326471663818.2266
        },
        "end": {
          "local": "2043-09-22T23:19:53+08:00",
          "utc": "2043-09-22T15:19:53Z",
          "ms": 2326547993413.4067
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-09-21",
          "window": {
            "start": {
              "local": "2043-09-21T19:25:34+08:00",
              "utc": "2043-09-21T11:25:34Z",
              "ms": 2326447533701.6523
            },
            "end": {
              "local": "2043-09-21T19:25:34+08:00",
              "utc": "2043-09-21T11:25:34Z",
              "ms": 2326447533701.6523
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-09-22",
          "window": {
            "start": {
              "local": "2043-09-22T20:06:30+08:00",
              "utc": "2043-09-22T12:06:30Z",
              "ms": 2326536390106.7617
            },
            "end": {
              "local": "2043-09-22T20:06:30+08:00",
              "utc": "2043-09-22T12:06:30Z",
              "ms": 2326536390106.7617
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:08 on Tue 22 Sep to 23:20 on Tue 22 Sep.",
          "fact": "2043-09-21T18:07:44Z → 2043-09-22T15:19:53Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:26 on the 21st and 20:07 on the 22nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.",
          "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 11603 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Tuesday 22 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": "2043-09-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Tuesday 22 September. Caturthī runs from 02:08 on Tue 22 Sep to 23:20 on Tue 22 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-09-22",
      "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/2043/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1033,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2043-09-23T20:36:06+08:00",
          "utc": "2043-09-23T12:36:06Z",
          "ms": 2326624565957.8984
        },
        "end": {
          "local": "2043-09-24T18:02:12+08:00",
          "utc": "2043-09-24T10:02:12Z",
          "ms": 2326701731576.5796
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-23T20:36:06+08:00",
          "utc": "2043-09-23T12:36:06Z",
          "ms": 2326624565957.8984
        },
        "end": {
          "local": "2043-09-24T18:02:12+08:00",
          "utc": "2043-09-24T10:02:12Z",
          "ms": 2326701731576.5796
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-09-23",
          "window": {
            "start": {
              "local": "2043-09-23T20:53:19+08:00",
              "utc": "2043-09-23T12:53:19Z",
              "ms": 2326625598534.4844
            },
            "end": {
              "local": "2043-09-23T20:53:19+08:00",
              "utc": "2043-09-23T12:53:19Z",
              "ms": 2326625598534.4844
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-09-24",
          "window": {
            "start": {
              "local": "2043-09-24T21:47:01+08:00",
              "utc": "2043-09-24T13:47:01Z",
              "ms": 2326715220805.046
            },
            "end": {
              "local": "2043-09-24T21:47:01+08:00",
              "utc": "2043-09-24T13:47:01Z",
              "ms": 2326715220805.046
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:36 on Wed 23 Sep to 18:02 on Thu 24 Sep.",
          "fact": "2043-09-23T12:36:06Z → 2043-09-24T10:02:12Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:53 on the 23rd and 21:47 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is on the 23rd and is not on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1033 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Fuzhou, 2043: Wednesday 23 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chandra-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-09-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Candra Ṣaṣṭhī 2043 falls on Wednesday 23 September. Ṣaṣṭhī runs from 20:36 on Wed 23 Sep to 18:02 on Thu 24 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7990,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-09-25T15:43:07+08:00",
          "utc": "2043-09-25T07:43:07Z",
          "ms": 2326779786749.638
        },
        "end": {
          "local": "2043-09-26T13:42:50+08:00",
          "utc": "2043-09-26T05:42:50Z",
          "ms": 2326858969798.286
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-25T15:43:07+08:00",
          "utc": "2043-09-25T07:43:07Z",
          "ms": 2326779786749.638
        },
        "end": {
          "local": "2043-09-26T13:42:50+08:00",
          "utc": "2043-09-26T05:42:50Z",
          "ms": 2326858969798.286
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-09-25",
          "window": {
            "start": {
              "local": "2043-09-25T17:56:16+08:00",
              "utc": "2043-09-25T09:56:16Z",
              "ms": 2326787776289.869
            },
            "end": {
              "local": "2043-09-25T19:31:50+08:00",
              "utc": "2043-09-25T11:31:50Z",
              "ms": 2326793510128.347
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        },
        {
          "local_date": "2043-09-26",
          "window": {
            "start": {
              "local": "2043-09-26T17:55:10+08:00",
              "utc": "2043-09-26T09:55:10Z",
              "ms": 2326874109923.001
            },
            "end": {
              "local": "2043-09-26T19:30:56+08:00",
              "utc": "2043-09-26T11:30:56Z",
              "ms": 2326879855952.0474
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 15:43 on Fri 25 Sep to 13:43 on Sat 26 Sep.",
          "fact": "2043-09-25T07:43:07Z → 2043-09-26T05:42:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:32 on the 25th, 17:55–19:31 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 96 of 96 minutes on the 25th and 0 of 96 on the 26th.",
          "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 7990 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Fuzhou, 2043: Friday 25 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-09-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 2043 falls on Friday 25 September. Aṣṭamī runs from 15:43 on Fri 25 Sep to 13:43 on Sat 26 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25447,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-09-25T15:43:07+08:00",
          "utc": "2043-09-25T07:43:07Z",
          "ms": 2326779786749.638
        },
        "end": {
          "local": "2043-09-26T13:42:50+08:00",
          "utc": "2043-09-26T05:42:50Z",
          "ms": 2326858969798.286
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-25T15:43:07+08:00",
          "utc": "2043-09-25T07:43:07Z",
          "ms": 2326779786749.638
        },
        "end": {
          "local": "2043-09-26T13:42:50+08:00",
          "utc": "2043-09-26T05:42:50Z",
          "ms": 2326858969798.286
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-09-25",
          "window": {
            "start": {
              "local": "2043-09-25T22:47:13+08:00",
              "utc": "2043-09-25T14:47:13Z",
              "ms": 2326805233452.9375
            },
            "end": {
              "local": "2043-09-25T22:47:13+08:00",
              "utc": "2043-09-25T14:47:13Z",
              "ms": 2326805233452.9375
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-09-26",
          "window": {
            "start": {
              "local": "2043-09-26T23:51:45+08:00",
              "utc": "2043-09-26T15:51:45Z",
              "ms": 2326895504608.465
            },
            "end": {
              "local": "2043-09-26T23:51:45+08:00",
              "utc": "2043-09-26T15:51:45Z",
              "ms": 2326895504608.465
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 15:43 on Fri 25 Sep to 13:43 on Sat 26 Sep.",
          "fact": "2043-09-25T07:43:07Z → 2043-09-26T05:42:50Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:47 on the 25th and 23:52 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 25th and is not on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25447 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 2043: Friday 25 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-09-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 2043 falls on Friday 25 September. Aṣṭamī runs from 15:43 on Fri 25 Sep to 13:43 on Sat 26 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-09-29",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14786,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-09-28T10:49:50+08:00",
          "utc": "2043-09-28T02:49:50Z",
          "ms": 2327021389629.3013
        },
        "end": {
          "local": "2043-09-29T10:00:41+08:00",
          "utc": "2043-09-29T02:00:41Z",
          "ms": 2327104841473.6353
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-28T10:49:50+08:00",
          "utc": "2043-09-28T02:49:50Z",
          "ms": 2327021389629.3013
        },
        "end": {
          "local": "2043-09-29T10:00:41+08:00",
          "utc": "2043-09-29T02:00:41Z",
          "ms": 2327104841473.6353
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-09-28",
          "window": {
            "start": {
              "local": "2043-09-28T05:53:50+08:00",
              "utc": "2043-09-27T21:53:50Z",
              "ms": 2327003630411.642
            },
            "end": {
              "local": "2043-09-28T05:53:50+08:00",
              "utc": "2043-09-27T21:53:50Z",
              "ms": 2327003630411.642
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-09-29",
          "window": {
            "start": {
              "local": "2043-09-29T05:54:16+08:00",
              "utc": "2043-09-28T21:54:16Z",
              "ms": 2327090055902.4165
            },
            "end": {
              "local": "2043-09-29T05:54:16+08:00",
              "utc": "2043-09-28T21:54:16Z",
              "ms": 2327090055902.4165
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:50 on Mon 28 Sep to 10:01 on Tue 29 Sep.",
          "fact": "2043-09-28T02:49:50Z → 2043-09-29T02:00:41Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:54 on the 28th and 05:54 on the 29th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.",
          "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 14786 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Fuzhou, 2043: Tuesday 29 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": "2043-09-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Indirā Ekādaśī 2043 falls on Tuesday 29 September. Ekādaśī runs from 10:50 on Mon 28 Sep to 10:01 on Tue 29 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-09-29",
      "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/2043/pradosha-vrata?on=2043-09-30",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-09-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29259,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-09-30T09:37:54+08:00",
          "utc": "2043-09-30T01:37:54Z",
          "ms": 2327189873605.5605
        },
        "end": {
          "local": "2043-10-01T09:42:03+08:00",
          "utc": "2043-10-01T01:42:03Z",
          "ms": 2327276523104.0737
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-09-30T09:37:54+08:00",
          "utc": "2043-09-30T01:37:54Z",
          "ms": 2327189873605.5605
        },
        "end": {
          "local": "2043-10-01T09:42:03+08:00",
          "utc": "2043-10-01T01:42:03Z",
          "ms": 2327276523104.0737
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-09-30",
          "window": {
            "start": {
              "local": "2043-09-30T17:50:47+08:00",
              "utc": "2043-09-30T09:50:47Z",
              "ms": 2327219446792.8647
            },
            "end": {
              "local": "2043-09-30T19:27:22+08:00",
              "utc": "2043-09-30T11:27:22Z",
              "ms": 2327225241565.3594
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        },
        {
          "local_date": "2043-10-01",
          "window": {
            "start": {
              "local": "2043-10-01T17:49:42+08:00",
              "utc": "2043-10-01T09:49:42Z",
              "ms": 2327305781722.482
            },
            "end": {
              "local": "2043-10-01T19:26:29+08:00",
              "utc": "2043-10-01T11:26:29Z",
              "ms": 2327311588666.1475
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:38 on Wed 30 Sep to 09:42 on Thu 1 Oct.",
          "fact": "2043-09-30T01:37:54Z → 2043-10-01T01:42:03Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:51–19:27 on the 30th, 17:50–19:26 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 97 of 97 minutes on the 30th and 0 of 97 on the 1st.",
          "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 29259 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Wednesday 30 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": "2043-09-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-09-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Wednesday 30 September. Trayodaśī runs from 09:38 on Wed 30 Sep to 09:42 on Thu 1 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-09-30",
      "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/2043/shivaratri?on=2043-10-01",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33906,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-10-01T09:42:03+08:00",
          "utc": "2043-10-01T01:42:03Z",
          "ms": 2327276523104.0737
        },
        "end": {
          "local": "2043-10-02T10:13:31+08:00",
          "utc": "2043-10-02T02:13:31Z",
          "ms": 2327364810796.6587
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-01T09:42:03+08:00",
          "utc": "2043-10-01T01:42:03Z",
          "ms": 2327276523104.0737
        },
        "end": {
          "local": "2043-10-02T10:13:31+08:00",
          "utc": "2043-10-02T02:13:31Z",
          "ms": 2327364810796.6587
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-09-30",
          "window": {
            "start": {
              "local": "2043-09-30T23:28:57+08:00",
              "utc": "2043-09-30T15:28:57Z",
              "ms": 2327239737189.7197
            },
            "end": {
              "local": "2043-10-01T00:16:57+08:00",
              "utc": "2043-09-30T16:16:57Z",
              "ms": 2327242617189.7197
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-10-01",
          "window": {
            "start": {
              "local": "2043-10-01T23:28:38+08:00",
              "utc": "2043-10-01T15:28:38Z",
              "ms": 2327326117761.227
            },
            "end": {
              "local": "2043-10-02T00:16:38+08:00",
              "utc": "2043-10-01T16:16:38Z",
              "ms": 2327328997761.227
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 09:42 on Thu 1 Oct to 10:14 on Fri 2 Oct.",
          "fact": "2043-10-01T01:42:03Z → 2043-10-02T02:13:31Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 30th, 23:29–00:17 on the 1st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33906 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Thursday 1 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-10-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Thursday 1 October. Caturdaśī runs from 09:42 on Thu 1 Oct to 10:14 on Fri 2 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-10-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6641,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2043-10-02T10:13:31+08:00",
          "utc": "2043-10-02T02:13:31Z",
          "ms": 2327364810796.6587
        },
        "end": {
          "local": "2043-10-03T11:12:14+08:00",
          "utc": "2043-10-03T03:12:14Z",
          "ms": 2327454734308.844
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-02T10:13:31+08:00",
          "utc": "2043-10-02T02:13:31Z",
          "ms": 2327364810796.6587
        },
        "end": {
          "local": "2043-10-03T11:12:14+08:00",
          "utc": "2043-10-03T03:12:14Z",
          "ms": 2327454734308.844
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2043-10-02",
          "window": {
            "start": {
              "local": "2043-10-02T13:03:24+08:00",
              "utc": "2043-10-02T05:03:24Z",
              "ms": 2327375003712.073
            },
            "end": {
              "local": "2043-10-02T15:26:00+08:00",
              "utc": "2043-10-02T07:26:00Z",
              "ms": 2327383560349.44
            }
          },
          "covered_min": 143,
          "window_min": 143,
          "qualifies": true
        },
        {
          "local_date": "2043-10-03",
          "window": {
            "start": {
              "local": "2043-10-03T13:02:56+08:00",
              "utc": "2043-10-03T05:02:56Z",
              "ms": 2327461375675.7715
            },
            "end": {
              "local": "2043-10-03T15:25:14+08:00",
              "utc": "2043-10-03T07:25:14Z",
              "ms": 2327469914143.1396
            }
          },
          "covered_min": 0,
          "window_min": 142,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 10:14 on Fri 2 Oct to 11:12 on Sat 3 Oct.",
          "fact": "2043-10-02T02:13:31Z → 2043-10-03T03:12:14Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:03–15:26 on the 2nd, 13:03–15:25 on the 3rd.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 143 of 143 minutes on the 2nd and 0 of 142 on the 3rd.",
          "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 6641 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Fuzhou, 2043: Friday 2 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": "2043-10-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālaya Amāvāsyā 2043 falls on Friday 2 October. Amāvasyā runs from 10:14 on Fri 2 Oct to 11:12 on Sat 3 Oct and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 932,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2043-10-03T11:12:14+08:00",
          "utc": "2043-10-03T03:12:14Z",
          "ms": 2327454734308.844
        },
        "end": {
          "local": "2043-10-04T12:37:29+08:00",
          "utc": "2043-10-04T04:37:29Z",
          "ms": 2327546248766.0024
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-03T11:12:14+08:00",
          "utc": "2043-10-03T03:12:14Z",
          "ms": 2327454734308.844
        },
        "end": {
          "local": "2043-10-04T12:37:29+08:00",
          "utc": "2043-10-04T04:37:29Z",
          "ms": 2327546248766.0024
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-10-03",
          "window": {
            "start": {
              "local": "2043-10-03T11:27:46+08:00",
              "utc": "2043-10-03T03:27:46Z",
              "ms": 2327455666442.088
            },
            "end": {
              "local": "2043-10-03T12:15:46+08:00",
              "utc": "2043-10-03T04:15:46Z",
              "ms": 2327458546442.088
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-10-04",
          "window": {
            "start": {
              "local": "2043-10-04T11:27:28+08:00",
              "utc": "2043-10-04T03:27:28Z",
              "ms": 2327542047817.639
            },
            "end": {
              "local": "2043-10-04T12:15:28+08:00",
              "utc": "2043-10-04T04:15:28Z",
              "ms": 2327544927817.639
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 11:12 on Sat 3 Oct to 12:37 on Sun 4 Oct.",
          "fact": "2043-10-03T03:12:14Z → 2043-10-04T04:37:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 3rd, 11:27–12:15 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 48 of 48 on the 4th.",
          "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 932 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Fuzhou, 2043: Sunday 4 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": "2043-10-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Navratri) 2043 falls on Sunday 4 October. Pratipadā runs from 11:12 on Sat 3 Oct to 12:37 on Sun 4 Oct and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vinayaka-chaturthi?on=2043-10-07",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15779,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-10-06T16:37:50+08:00",
          "utc": "2043-10-06T08:37:50Z",
          "ms": 2327733470239.7056
        },
        "end": {
          "local": "2043-10-07T19:03:03+08:00",
          "utc": "2043-10-07T11:03:03Z",
          "ms": 2327828583369.173
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-06T16:37:50+08:00",
          "utc": "2043-10-06T08:37:50Z",
          "ms": 2327733470239.7056
        },
        "end": {
          "local": "2043-10-07T19:03:03+08:00",
          "utc": "2043-10-07T11:03:03Z",
          "ms": 2327828583369.173
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-10-06",
          "window": {
            "start": {
              "local": "2043-10-06T11:26:52+08:00",
              "utc": "2043-10-06T03:26:52Z",
              "ms": 2327714811617.619
            },
            "end": {
              "local": "2043-10-06T12:14:52+08:00",
              "utc": "2043-10-06T04:14:52Z",
              "ms": 2327717691617.619
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-10-07",
          "window": {
            "start": {
              "local": "2043-10-07T11:26:34+08:00",
              "utc": "2043-10-07T03:26:34Z",
              "ms": 2327801194076.51
            },
            "end": {
              "local": "2043-10-07T12:14:34+08:00",
              "utc": "2043-10-07T04:14:34Z",
              "ms": 2327804074076.51
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:38 on Tue 6 Oct to 19:03 on Wed 7 Oct.",
          "fact": "2043-10-06T08:37:50Z → 2043-10-07T11:03:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 6th, 11:27–12:15 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15779 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Wednesday 7 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": "2043-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Wednesday 7 October. Caturthī runs from 16:38 on Tue 6 Oct to 19:03 on Wed 7 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-10-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13768,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2043-10-10T00:00:40+08:00",
          "utc": "2043-10-09T16:00:40Z",
          "ms": 2328019240313.8364
        },
        "end": {
          "local": "2043-10-11T02:10:15+08:00",
          "utc": "2043-10-10T18:10:15Z",
          "ms": 2328113414844.777
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-10T00:00:40+08:00",
          "utc": "2043-10-09T16:00:40Z",
          "ms": 2328019240313.8364
        },
        "end": {
          "local": "2043-10-11T02:10:15+08:00",
          "utc": "2043-10-10T18:10:15Z",
          "ms": 2328113414844.777
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2043-10-10",
          "window": {
            "start": {
              "local": "2043-10-10T05:59:14+08:00",
              "utc": "2043-10-09T21:59:14Z",
              "ms": 2328040753651.701
            },
            "end": {
              "local": "2043-10-10T06:45:58+08:00",
              "utc": "2043-10-09T22:45:58Z",
              "ms": 2328043557684.663
            }
          },
          "covered_min": 47,
          "window_min": 47,
          "qualifies": true
        },
        {
          "local_date": "2043-10-11",
          "window": {
            "start": {
              "local": "2043-10-11T05:59:43+08:00",
              "utc": "2043-10-10T21:59:43Z",
              "ms": 2328127182539.3057
            },
            "end": {
              "local": "2043-10-11T06:46:21+08:00",
              "utc": "2043-10-10T22:46:21Z",
              "ms": 2328129980607.084
            }
          },
          "covered_min": 0,
          "window_min": 47,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 00:01 on Sat 10 Oct to 02:10 on Sun 11 Oct.",
          "fact": "2043-10-09T16:00:40Z → 2043-10-10T18:10:15Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:59–06:46 on the 10th, 06:00–06:46 on the 11th.",
          "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 47 of 47 minutes on the 10th and 0 of 47 on the 11th.",
          "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 13768 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Fuzhou, 2043: Saturday 10 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": "2043-10-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Saptamī 2043 falls on Saturday 10 October. Saptamī runs from 00:01 on Sat 10 Oct to 02:10 on Sun 11 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27232,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-10-11T02:10:15+08:00",
          "utc": "2043-10-10T18:10:15Z",
          "ms": 2328113414844.777
        },
        "end": {
          "local": "2043-10-12T03:51:21+08:00",
          "utc": "2043-10-11T19:51:21Z",
          "ms": 2328205881070.6313
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-11T02:10:15+08:00",
          "utc": "2043-10-10T18:10:15Z",
          "ms": 2328113414844.777
        },
        "end": {
          "local": "2043-10-12T03:51:21+08:00",
          "utc": "2043-10-11T19:51:21Z",
          "ms": 2328205881070.6313
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-10-11",
          "window": {
            "start": {
              "local": "2043-10-11T11:25:28+08:00",
              "utc": "2043-10-11T03:25:28Z",
              "ms": 2328146728047.6426
            },
            "end": {
              "local": "2043-10-11T12:13:28+08:00",
              "utc": "2043-10-11T04:13:28Z",
              "ms": 2328149608047.6426
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-10-12",
          "window": {
            "start": {
              "local": "2043-10-12T11:25:13+08:00",
              "utc": "2043-10-12T03:25:13Z",
              "ms": 2328233112663.7876
            },
            "end": {
              "local": "2043-10-12T12:13:13+08:00",
              "utc": "2043-10-12T04:13:13Z",
              "ms": 2328235992663.7876
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 02:10 on Sun 11 Oct to 03:51 on Mon 12 Oct.",
          "fact": "2043-10-10T18:10:15Z → 2043-10-11T19:51:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 11th, 11:25–12:13 on the 12th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 27232 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Fuzhou, 2043: Sunday 11 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": "2043-10-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 2043 falls on Sunday 11 October. Aṣṭamī runs from 02:10 on Sun 11 Oct to 03:51 on Mon 12 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23441,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2043-10-12T03:51:21+08:00",
          "utc": "2043-10-11T19:51:21Z",
          "ms": 2328205881070.6313
        },
        "end": {
          "local": "2043-10-13T04:54:17+08:00",
          "utc": "2043-10-12T20:54:17Z",
          "ms": 2328296056704.143
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-12T03:51:21+08:00",
          "utc": "2043-10-11T19:51:21Z",
          "ms": 2328205881070.6313
        },
        "end": {
          "local": "2043-10-13T04:54:17+08:00",
          "utc": "2043-10-12T20:54:17Z",
          "ms": 2328296056704.143
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-10-12",
          "window": {
            "start": {
              "local": "2043-10-12T11:25:13+08:00",
              "utc": "2043-10-12T03:25:13Z",
              "ms": 2328233112663.7876
            },
            "end": {
              "local": "2043-10-12T12:13:13+08:00",
              "utc": "2043-10-12T04:13:13Z",
              "ms": 2328235992663.7876
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-10-13",
          "window": {
            "start": {
              "local": "2043-10-13T11:24:58+08:00",
              "utc": "2043-10-13T03:24:58Z",
              "ms": 2328319497765.7837
            },
            "end": {
              "local": "2043-10-13T12:12:58+08:00",
              "utc": "2043-10-13T04:12:58Z",
              "ms": 2328322377765.7837
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 03:51 on Mon 12 Oct to 04:54 on Tue 13 Oct.",
          "fact": "2043-10-11T19:51:21Z → 2043-10-12T20:54:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 12th, 11:25–12:13 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 23441 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Fuzhou, 2043: Monday 12 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": "2043-10-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahānavamī 2043 falls on Monday 12 October. Navamī runs from 03:51 on Mon 12 Oct to 04:54 on Tue 13 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3985,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2043-10-13T04:54:17+08:00",
          "utc": "2043-10-12T20:54:17Z",
          "ms": 2328296056704.143
        },
        "end": {
          "local": "2043-10-14T05:12:31+08:00",
          "utc": "2043-10-13T21:12:31Z",
          "ms": 2328383551147.72
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "2043-10-13T04:54:17+08:00",
          "utc": "2043-10-12T20:54:17Z",
          "ms": 2328296056704.143
        },
        "end": {
          "local": "2043-10-14T00:21:47+08:00",
          "utc": "2043-10-13T16:21:47Z",
          "ms": 2328366106933.506
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "2043-10-12T23:16:58+08:00",
            "utc": "2043-10-12T15:16:58Z",
            "ms": 2328275817687.2993
          },
          "end": {
            "local": "2043-10-14T00:21:47+08:00",
            "utc": "2043-10-13T16:21:47Z",
            "ms": 2328366106933.506
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "2043-10-13",
          "window": {
            "start": {
              "local": "2043-10-13T06:00:41+08:00",
              "utc": "2043-10-12T22:00:41Z",
              "ms": 2328300041354.342
            },
            "end": {
              "local": "2043-10-13T17:37:14+08:00",
              "utc": "2043-10-13T09:37:14Z",
              "ms": 2328341834177.2256
            }
          },
          "covered_min": 697,
          "window_min": 697,
          "qualifies": true
        },
        {
          "local_date": "2043-10-14",
          "window": {
            "start": {
              "local": "2043-10-14T06:01:11+08:00",
              "utc": "2043-10-13T22:01:11Z",
              "ms": 2328386471301.0938
            },
            "end": {
              "local": "2043-10-14T17:36:15+08:00",
              "utc": "2043-10-14T09:36:15Z",
              "ms": 2328428175443.729
            }
          },
          "covered_min": 0,
          "window_min": 695,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 04:54 on Tue 13 Oct to 05:13 on Wed 14 Oct, and Śravaṇa from 23:17 on Mon 12 Oct to 00:22 on Wed 14 Oct. They are together from 04:54 on Tue 13 Oct to 00:22 on Wed 14 Oct.",
          "fact": "2043-10-12T20:54:17Z → 2043-10-13T16:21:47Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 06:01–17:37 on the 13th, 06:01–17:36 on the 14th.",
          "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 697 of 697 minutes on the 13th and 0 of 695 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one day qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3985 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Fuzhou, 2043: Tuesday 13 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": "2043-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 2043 falls on Tuesday 13 October. Daśamī runs from 04:54 on Tue 13 Oct to 05:13 on Wed 14 Oct and is with Śravaṇa in the day time that day, for 697 minutes.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-10-14",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2920,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-10-14T05:12:31+08:00",
          "utc": "2043-10-13T21:12:31Z",
          "ms": 2328383551147.72
        },
        "end": {
          "local": "2043-10-15T04:43:21+08:00",
          "utc": "2043-10-14T20:43:21Z",
          "ms": 2328468201209.666
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-14T05:12:31+08:00",
          "utc": "2043-10-13T21:12:31Z",
          "ms": 2328383551147.72
        },
        "end": {
          "local": "2043-10-15T04:43:21+08:00",
          "utc": "2043-10-14T20:43:21Z",
          "ms": 2328468201209.666
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-10-14",
          "window": {
            "start": {
              "local": "2043-10-14T06:01:11+08:00",
              "utc": "2043-10-13T22:01:11Z",
              "ms": 2328386471301.0938
            },
            "end": {
              "local": "2043-10-14T06:01:11+08:00",
              "utc": "2043-10-13T22:01:11Z",
              "ms": 2328386471301.0938
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-10-15",
          "window": {
            "start": {
              "local": "2043-10-15T06:01:42+08:00",
              "utc": "2043-10-14T22:01:42Z",
              "ms": 2328472901620.827
            },
            "end": {
              "local": "2043-10-15T06:01:42+08:00",
              "utc": "2043-10-14T22:01:42Z",
              "ms": 2328472901620.827
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:13 on Wed 14 Oct to 04:43 on Thu 15 Oct.",
          "fact": "2043-10-13T21:12:31Z → 2043-10-14T20:43:21Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:01 on the 14th and 06:02 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 2920 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 2043: Wednesday 14 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": "2043-10-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 2043 falls on Wednesday 14 October. Ekādaśī runs from 05:13 on Wed 14 Oct to 04:43 on Thu 15 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-10-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/pradosha-vrata?on=2043-10-16",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22551,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-10-16T03:27:47+08:00",
          "utc": "2043-10-15T19:27:47Z",
          "ms": 2328550066798.738
        },
        "end": {
          "local": "2043-10-17T01:29:58+08:00",
          "utc": "2043-10-16T17:29:58Z",
          "ms": 2328629398474.494
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-16T03:27:47+08:00",
          "utc": "2043-10-15T19:27:47Z",
          "ms": 2328550066798.738
        },
        "end": {
          "local": "2043-10-17T01:29:58+08:00",
          "utc": "2043-10-16T17:29:58Z",
          "ms": 2328629398474.494
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-10-15",
          "window": {
            "start": {
              "local": "2043-10-15T17:35:17+08:00",
              "utc": "2043-10-15T09:35:17Z",
              "ms": 2328514517385.015
            },
            "end": {
              "local": "2043-10-15T19:14:53+08:00",
              "utc": "2043-10-15T11:14:53Z",
              "ms": 2328520492710.267
            }
          },
          "covered_min": 0,
          "window_min": 100,
          "qualifies": false
        },
        {
          "local_date": "2043-10-16",
          "window": {
            "start": {
              "local": "2043-10-16T17:34:20+08:00",
              "utc": "2043-10-16T09:34:20Z",
              "ms": 2328600860029.8926
            },
            "end": {
              "local": "2043-10-16T19:14:07+08:00",
              "utc": "2043-10-16T11:14:07Z",
              "ms": 2328606847149.0376
            }
          },
          "covered_min": 100,
          "window_min": 100,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:28 on Fri 16 Oct to 01:30 on Sat 17 Oct.",
          "fact": "2043-10-15T19:27:47Z → 2043-10-16T17:29:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:15 on the 15th, 17:34–19:14 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 15th and 100 of 100 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 22551 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Friday 16 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": "2043-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Friday 16 October. Trayodaśī runs from 03:28 on Fri 16 Oct to 01:30 on Sat 17 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-10-16",
      "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/2043/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35619,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-10-21T09:44:14+08:00",
          "utc": "2043-10-21T01:44:14Z",
          "ms": 2329004654253.733
        },
        "end": {
          "local": "2043-10-22T06:29:39+08:00",
          "utc": "2043-10-21T22:29:39Z",
          "ms": 2329079378979.8477
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-21T09:44:14+08:00",
          "utc": "2043-10-21T01:44:14Z",
          "ms": 2329004654253.733
        },
        "end": {
          "local": "2043-10-22T06:29:39+08:00",
          "utc": "2043-10-21T22:29:39Z",
          "ms": 2329079378979.8477
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-10-21",
          "window": {
            "start": {
              "local": "2043-10-21T19:37:53+08:00",
              "utc": "2043-10-21T11:37:53Z",
              "ms": 2329040272781.211
            },
            "end": {
              "local": "2043-10-21T19:37:53+08:00",
              "utc": "2043-10-21T11:37:53Z",
              "ms": 2329040272781.211
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-10-22",
          "window": {
            "start": {
              "local": "2043-10-22T20:37:55+08:00",
              "utc": "2043-10-22T12:37:55Z",
              "ms": 2329130275230.6978
            },
            "end": {
              "local": "2043-10-22T20:37:55+08:00",
              "utc": "2043-10-22T12:37:55Z",
              "ms": 2329130275230.6978
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:44 on Wed 21 Oct to 06:30 on Thu 22 Oct.",
          "fact": "2043-10-21T01:44:14Z → 2043-10-21T22:29:39Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:38 on the 21st and 20:38 on the 22nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.",
          "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 35619 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Fuzhou, 2043: Wednesday 21 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "karaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-10-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 2043 falls on Wednesday 21 October. Caturthī runs from 09:44 on Wed 21 Oct to 06:30 on Thu 22 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-10-21",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35619,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-10-21T09:44:14+08:00",
          "utc": "2043-10-21T01:44:14Z",
          "ms": 2329004654253.733
        },
        "end": {
          "local": "2043-10-22T06:29:39+08:00",
          "utc": "2043-10-21T22:29:39Z",
          "ms": 2329079378979.8477
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-21T09:44:14+08:00",
          "utc": "2043-10-21T01:44:14Z",
          "ms": 2329004654253.733
        },
        "end": {
          "local": "2043-10-22T06:29:39+08:00",
          "utc": "2043-10-21T22:29:39Z",
          "ms": 2329079378979.8477
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-10-21",
          "window": {
            "start": {
              "local": "2043-10-21T19:37:53+08:00",
              "utc": "2043-10-21T11:37:53Z",
              "ms": 2329040272781.211
            },
            "end": {
              "local": "2043-10-21T19:37:53+08:00",
              "utc": "2043-10-21T11:37:53Z",
              "ms": 2329040272781.211
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-10-22",
          "window": {
            "start": {
              "local": "2043-10-22T20:37:55+08:00",
              "utc": "2043-10-22T12:37:55Z",
              "ms": 2329130275230.6978
            },
            "end": {
              "local": "2043-10-22T20:37:55+08:00",
              "utc": "2043-10-22T12:37:55Z",
              "ms": 2329130275230.6978
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:44 on Wed 21 Oct to 06:30 on Thu 22 Oct.",
          "fact": "2043-10-21T01:44:14Z → 2043-10-21T22:29:39Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:38 on the 21st and 20:38 on the 22nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.",
          "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 35619 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Wednesday 21 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-10-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Wednesday 21 October. Caturthī runs from 09:44 on Wed 21 Oct to 06:30 on Thu 22 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-10-21",
      "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/2043/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-24",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1305,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-10-24T23:11:40+08:00",
          "utc": "2043-10-24T15:11:40Z",
          "ms": 2329312300224.8057
        },
        "end": {
          "local": "2043-10-25T21:52:58+08:00",
          "utc": "2043-10-25T13:52:58Z",
          "ms": 2329393978422.261
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-24T23:11:40+08:00",
          "utc": "2043-10-24T15:11:40Z",
          "ms": 2329312300224.8057
        },
        "end": {
          "local": "2043-10-25T21:52:58+08:00",
          "utc": "2043-10-25T13:52:58Z",
          "ms": 2329393978422.261
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-10-24",
          "window": {
            "start": {
              "local": "2043-10-24T22:49:56+08:00",
              "utc": "2043-10-24T14:49:56Z",
              "ms": 2329310995704.047
            },
            "end": {
              "local": "2043-10-24T22:49:56+08:00",
              "utc": "2043-10-24T14:49:56Z",
              "ms": 2329310995704.047
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-10-25",
          "window": {
            "start": {
              "local": "2043-10-25T23:55:07+08:00",
              "utc": "2043-10-25T15:55:07Z",
              "ms": 2329401307460.8584
            },
            "end": {
              "local": "2043-10-25T23:55:07+08:00",
              "utc": "2043-10-25T15:55:07Z",
              "ms": 2329401307460.8584
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 23:12 on Sat 24 Oct to 21:53 on Sun 25 Oct.",
          "fact": "2043-10-24T15:11:40Z → 2043-10-25T13:52:58Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:50 on the 24th and 23:55 on the 25th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 24th and is not on the 25th.",
          "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 1305 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Fuzhou, 2043: Saturday 24 October.",
          "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": "2043-10-24",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-24",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Ahoyī Aṣṭamī 2043 falls on Saturday 24 October. Aṣṭamī runs from 23:12 on Sat 24 Oct to 21:53 on Sun 25 Oct, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-10-28",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30683,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-10-27T21:08:01+08:00",
          "utc": "2043-10-27T13:08:01Z",
          "ms": 2329564081176.8745
        },
        "end": {
          "local": "2043-10-28T21:38:08+08:00",
          "utc": "2043-10-28T13:38:08Z",
          "ms": 2329652288238.2163
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-27T21:08:01+08:00",
          "utc": "2043-10-27T13:08:01Z",
          "ms": 2329564081176.8745
        },
        "end": {
          "local": "2043-10-28T21:38:08+08:00",
          "utc": "2043-10-28T13:38:08Z",
          "ms": 2329652288238.2163
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-10-28",
          "window": {
            "start": {
              "local": "2043-10-28T06:08:55+08:00",
              "utc": "2043-10-27T22:08:55Z",
              "ms": 2329596534757.165
            },
            "end": {
              "local": "2043-10-28T06:08:55+08:00",
              "utc": "2043-10-27T22:08:55Z",
              "ms": 2329596534757.165
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-10-29",
          "window": {
            "start": {
              "local": "2043-10-29T06:09:31+08:00",
              "utc": "2043-10-28T22:09:31Z",
              "ms": 2329682971325.6743
            },
            "end": {
              "local": "2043-10-29T06:09:31+08:00",
              "utc": "2043-10-28T22:09:31Z",
              "ms": 2329682971325.6743
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:08 on Tue 27 Oct to 21:38 on Wed 28 Oct.",
          "fact": "2043-10-27T13:08:01Z → 2043-10-28T13:38:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:09 on the 28th and 06:10 on the 29th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.",
          "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 30683 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Fuzhou, 2043: Wednesday 28 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": "2043-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ramā Ekādaśī 2043 falls on Wednesday 28 October. Ekādaśī runs from 21:08 on Tue 27 Oct to 21:38 on Wed 28 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-10-28",
      "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/2043/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9126,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2043-10-28T21:38:08+08:00",
          "utc": "2043-10-28T13:38:08Z",
          "ms": 2329652288238.2163
        },
        "end": {
          "local": "2043-10-29T22:38:28+08:00",
          "utc": "2043-10-29T14:38:28Z",
          "ms": 2329742308319.972
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-28T21:38:08+08:00",
          "utc": "2043-10-28T13:38:08Z",
          "ms": 2329652288238.2163
        },
        "end": {
          "local": "2043-10-29T22:38:28+08:00",
          "utc": "2043-10-29T14:38:28Z",
          "ms": 2329742308319.972
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-10-28",
          "window": {
            "start": {
              "local": "2043-10-28T17:23:57+08:00",
              "utc": "2043-10-28T09:23:57Z",
              "ms": 2329637037452.3706
            },
            "end": {
              "local": "2043-10-28T19:06:02+08:00",
              "utc": "2043-10-28T11:06:02Z",
              "ms": 2329643161968.811
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2043-10-29",
          "window": {
            "start": {
              "local": "2043-10-29T17:23:12+08:00",
              "utc": "2043-10-29T09:23:12Z",
              "ms": 2329723391909.883
            },
            "end": {
              "local": "2043-10-29T19:05:27+08:00",
              "utc": "2043-10-29T11:05:27Z",
              "ms": 2329729527436.5913
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:38 on Wed 28 Oct to 22:38 on Thu 29 Oct.",
          "fact": "2043-10-28T13:38:08Z → 2043-10-29T14:38:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:24–19:06 on the 28th, 17:23–19:05 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 28th and 102 of 102 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: purvaviddha → only-day · margin 9126 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Fuzhou, 2043: Thursday 29 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govatsa-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-10-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 2043 falls on Thursday 29 October. Dvādaśī runs from 21:38 on Wed 28 Oct to 22:38 on Thu 29 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12781,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-10-29T22:38:28+08:00",
          "utc": "2043-10-29T14:38:28Z",
          "ms": 2329742308319.972
        },
        "end": {
          "local": "2043-10-31T00:04:37+08:00",
          "utc": "2043-10-30T16:04:37Z",
          "ms": 2329833877239.6494
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-29T22:38:28+08:00",
          "utc": "2043-10-29T14:38:28Z",
          "ms": 2329742308319.972
        },
        "end": {
          "local": "2043-10-31T00:04:37+08:00",
          "utc": "2043-10-30T16:04:37Z",
          "ms": 2329833877239.6494
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-10-29",
          "window": {
            "start": {
              "local": "2043-10-29T17:23:12+08:00",
              "utc": "2043-10-29T09:23:12Z",
              "ms": 2329723391909.883
            },
            "end": {
              "local": "2043-10-29T19:05:27+08:00",
              "utc": "2043-10-29T11:05:27Z",
              "ms": 2329729527436.5913
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2043-10-30",
          "window": {
            "start": {
              "local": "2043-10-30T17:22:27+08:00",
              "utc": "2043-10-30T09:22:27Z",
              "ms": 2329809747462.8906
            },
            "end": {
              "local": "2043-10-30T19:04:54+08:00",
              "utc": "2043-10-30T11:04:54Z",
              "ms": 2329815893915.123
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:38 on Thu 29 Oct to 00:05 on Sat 31 Oct.",
          "fact": "2043-10-29T14:38:28Z → 2043-10-30T16:04:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:05 on the 29th, 17:22–19:05 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 102 minutes on the 29th and 102 of 102 on the 30th.",
          "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 12781 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Fuzhou, 2043: Friday 30 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dipadana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 13 Yama dipadana (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Dīpadāna 2043 falls on Friday 30 October. Trayodaśī runs from 22:38 on Thu 29 Oct to 00:05 on Sat 31 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-10-30",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12781,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-10-29T22:38:28+08:00",
          "utc": "2043-10-29T14:38:28Z",
          "ms": 2329742308319.972
        },
        "end": {
          "local": "2043-10-31T00:04:37+08:00",
          "utc": "2043-10-30T16:04:37Z",
          "ms": 2329833877239.6494
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-29T22:38:28+08:00",
          "utc": "2043-10-29T14:38:28Z",
          "ms": 2329742308319.972
        },
        "end": {
          "local": "2043-10-31T00:04:37+08:00",
          "utc": "2043-10-30T16:04:37Z",
          "ms": 2329833877239.6494
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-10-29",
          "window": {
            "start": {
              "local": "2043-10-29T17:23:12+08:00",
              "utc": "2043-10-29T09:23:12Z",
              "ms": 2329723391909.883
            },
            "end": {
              "local": "2043-10-29T19:05:27+08:00",
              "utc": "2043-10-29T11:05:27Z",
              "ms": 2329729527436.5913
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2043-10-30",
          "window": {
            "start": {
              "local": "2043-10-30T17:22:27+08:00",
              "utc": "2043-10-30T09:22:27Z",
              "ms": 2329809747462.8906
            },
            "end": {
              "local": "2043-10-30T19:04:54+08:00",
              "utc": "2043-10-30T11:04:54Z",
              "ms": 2329815893915.123
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:38 on Thu 29 Oct to 00:05 on Sat 31 Oct.",
          "fact": "2043-10-29T14:38:28Z → 2043-10-30T16:04:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:05 on the 29th, 17:22–19:05 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 102 minutes on the 29th and 102 of 102 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 12781 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Friday 30 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": "2043-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Friday 30 October. Trayodaśī runs from 22:38 on Thu 29 Oct to 00:05 on Sat 31 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-10-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9389,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-10-31T00:04:37+08:00",
          "utc": "2043-10-30T16:04:37Z",
          "ms": 2329833877239.6494
        },
        "end": {
          "local": "2043-11-01T01:52:17+08:00",
          "utc": "2043-10-31T17:52:17Z",
          "ms": 2329926737274.1113
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-31T00:04:37+08:00",
          "utc": "2043-10-30T16:04:37Z",
          "ms": 2329833877239.6494
        },
        "end": {
          "local": "2043-11-01T01:52:17+08:00",
          "utc": "2043-10-31T17:52:17Z",
          "ms": 2329926737274.1113
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2043-10-31",
          "window": {
            "start": {
              "local": "2043-10-31T04:28:19+08:00",
              "utc": "2043-10-30T20:28:19Z",
              "ms": 2329849699402.4023
            },
            "end": {
              "local": "2043-10-31T06:10:46+08:00",
              "utc": "2043-10-30T22:10:46Z",
              "ms": 2329855845854.635
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        },
        {
          "local_date": "2043-11-01",
          "window": {
            "start": {
              "local": "2043-11-01T04:28:47+08:00",
              "utc": "2043-10-31T20:28:47Z",
              "ms": 2329936126512.6255
            },
            "end": {
              "local": "2043-11-01T06:11:24+08:00",
              "utc": "2043-10-31T22:11:24Z",
              "ms": 2329942283801.613
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:05 on Sat 31 Oct to 01:52 on Sun 1 Nov.",
          "fact": "2043-10-30T16:04:37Z → 2043-10-31T17:52:17Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:28–06:11 on the 31st, 04:29–06:11 on the 1st.",
          "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 102 of 102 minutes on the 31st and 0 of 103 on the 1st.",
          "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 9389 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Fuzhou, 2043: Saturday 31 October.",
          "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": "2043-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 2043 falls on Saturday 31 October. Caturdaśī runs from 00:05 on Sat 31 Oct to 01:52 on Sun 1 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/shivaratri?on=2043-10-31",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-10-31",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 359,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-10-31T00:04:37+08:00",
          "utc": "2043-10-30T16:04:37Z",
          "ms": 2329833877239.6494
        },
        "end": {
          "local": "2043-11-01T01:52:17+08:00",
          "utc": "2043-10-31T17:52:17Z",
          "ms": 2329926737274.1113
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-10-31T00:04:37+08:00",
          "utc": "2043-10-30T16:04:37Z",
          "ms": 2329833877239.6494
        },
        "end": {
          "local": "2043-11-01T01:52:17+08:00",
          "utc": "2043-10-31T17:52:17Z",
          "ms": 2329926737274.1113
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-10-30",
          "window": {
            "start": {
              "local": "2043-10-30T23:22:37+08:00",
              "utc": "2043-10-30T15:22:37Z",
              "ms": 2329831356658.7627
            },
            "end": {
              "local": "2043-10-31T00:10:37+08:00",
              "utc": "2043-10-30T16:10:37Z",
              "ms": 2329834236658.7627
            }
          },
          "covered_min": 6,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-10-31",
          "window": {
            "start": {
              "local": "2043-10-31T23:22:34+08:00",
              "utc": "2043-10-31T15:22:34Z",
              "ms": 2329917753967.9097
            },
            "end": {
              "local": "2043-11-01T00:10:34+08:00",
              "utc": "2043-10-31T16:10:34Z",
              "ms": 2329920633967.9097
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:05 on Sat 31 Oct to 01:52 on Sun 1 Nov.",
          "fact": "2043-10-30T16:04:37Z → 2043-10-31T17:52:17Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 30th, 23:23–00:11 on the 31st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 6 of 48 minutes on the 30th and 48 of 48 on the 31st.",
          "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 359 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Saturday 31 October.",
          "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": "2043-10-31",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-10-31",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Saturday 31 October. Caturdaśī runs from 00:05 on Sat 31 Oct to 01:52 on Sun 1 Nov and covers all of niśītha that night. It also reaches the previous night for 6 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/2043/shivaratri?on=2043-10-31",
      "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/2043/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24476,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2043-11-01T01:52:17+08:00",
          "utc": "2043-10-31T17:52:17Z",
          "ms": 2329926737274.1113
        },
        "end": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-01T01:52:17+08:00",
          "utc": "2043-10-31T17:52:17Z",
          "ms": 2329926737274.1113
        },
        "end": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-10-31",
          "window": {
            "start": {
              "local": "2043-10-31T17:21:44+08:00",
              "utc": "2043-10-31T09:21:44Z",
              "ms": 2329896104134.2065
            },
            "end": {
              "local": "2043-10-31T19:04:21+08:00",
              "utc": "2043-10-31T11:04:21Z",
              "ms": 2329902261423.194
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "2043-11-01",
          "window": {
            "start": {
              "local": "2043-11-01T17:21:02+08:00",
              "utc": "2043-11-01T09:21:02Z",
              "ms": 2329982461946.061
            },
            "end": {
              "local": "2043-11-01T19:03:50+08:00",
              "utc": "2043-11-01T11:03:50Z",
              "ms": 2329988629978.925
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 01:52 on Sun 1 Nov to 03:58 on Mon 2 Nov.",
          "fact": "2043-10-31T17:52:17Z → 2043-11-01T19:57:32Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:22–19:04 on the 31st, 17:21–19:04 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 103 minutes on the 31st and 103 of 103 on the 1st.",
          "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 24476 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Fuzhou, 2043: Sunday 1 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": "2043-11-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 2043 falls on Sunday 1 November. Amāvasyā runs from 01:52 on Sun 1 Nov to 03:58 on Mon 2 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6103,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2043-11-01T01:52:17+08:00",
          "utc": "2043-10-31T17:52:17Z",
          "ms": 2329926737274.1113
        },
        "end": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-01T01:52:17+08:00",
          "utc": "2043-10-31T17:52:17Z",
          "ms": 2329926737274.1113
        },
        "end": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-10-31",
          "window": {
            "start": {
              "local": "2043-10-31T23:22:34+08:00",
              "utc": "2043-10-31T15:22:34Z",
              "ms": 2329917753967.9097
            },
            "end": {
              "local": "2043-11-01T00:10:34+08:00",
              "utc": "2043-10-31T16:10:34Z",
              "ms": 2329920633967.9097
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-11-01",
          "window": {
            "start": {
              "local": "2043-11-01T23:22:32+08:00",
              "utc": "2043-11-01T15:22:32Z",
              "ms": 2330004152069.301
            },
            "end": {
              "local": "2043-11-02T00:10:32+08:00",
              "utc": "2043-11-01T16:10:32Z",
              "ms": 2330007032069.301
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 01:52 on Sun 1 Nov to 03:58 on Mon 2 Nov.",
          "fact": "2043-10-31T17:52:17Z → 2043-11-01T19:57:32Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 31st, 23:23–00:11 on the 1st.",
          "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 31st and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6103 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Fuzhou, 2043: Sunday 1 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": "2043-11-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kālī Pūjā 2043 falls on Sunday 1 November. Amāvasyā runs from 01:52 on Sun 1 Nov to 03:58 on Mon 2 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18337,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        },
        "end": {
          "local": "2043-11-03T06:16:34+08:00",
          "utc": "2043-11-02T22:16:34Z",
          "ms": 2330115394393.8853
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        },
        "end": {
          "local": "2043-11-03T06:16:34+08:00",
          "utc": "2043-11-02T22:16:34Z",
          "ms": 2330115394393.8853
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-11-02",
          "window": {
            "start": {
              "local": "2043-11-02T11:22:12+08:00",
              "utc": "2043-11-02T03:22:12Z",
              "ms": 2330047331556.365
            },
            "end": {
              "local": "2043-11-02T12:10:12+08:00",
              "utc": "2043-11-02T04:10:12Z",
              "ms": 2330050211556.365
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-11-03",
          "window": {
            "start": {
              "local": "2043-11-03T11:22:11+08:00",
              "utc": "2043-11-03T03:22:11Z",
              "ms": 2330133731047.7983
            },
            "end": {
              "local": "2043-11-03T12:10:11+08:00",
              "utc": "2043-11-03T04:10:11Z",
              "ms": 2330136611047.7983
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 03:58 on Mon 2 Nov to 06:17 on Tue 3 Nov.",
          "fact": "2043-11-01T19:57:32Z → 2043-11-02T22:16:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 2nd, 11:22–12:10 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 18337 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Fuzhou, 2043: Monday 2 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": "2043-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govardhana Pūjā 2043 falls on Monday 2 November. Pratipadā runs from 03:58 on Mon 2 Nov to 06:17 on Tue 3 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32022,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        },
        "end": {
          "local": "2043-11-03T06:16:34+08:00",
          "utc": "2043-11-02T22:16:34Z",
          "ms": 2330115394393.8853
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        },
        "end": {
          "local": "2043-11-03T06:16:34+08:00",
          "utc": "2043-11-02T22:16:34Z",
          "ms": 2330115394393.8853
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-11-01",
          "window": {
            "start": {
              "local": "2043-11-01T17:21:02+08:00",
              "utc": "2043-11-01T09:21:02Z",
              "ms": 2329982461946.061
            },
            "end": {
              "local": "2043-11-01T19:03:50+08:00",
              "utc": "2043-11-01T11:03:50Z",
              "ms": 2329988629978.925
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "2043-11-02",
          "window": {
            "start": {
              "local": "2043-11-02T17:20:21+08:00",
              "utc": "2043-11-02T09:20:21Z",
              "ms": 2330068820920.19
            },
            "end": {
              "local": "2043-11-02T19:03:20+08:00",
              "utc": "2043-11-02T11:03:20Z",
              "ms": 2330074999599.8564
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 03:58 on Mon 2 Nov to 06:17 on Tue 3 Nov.",
          "fact": "2043-11-01T19:57:32Z → 2043-11-02T22:16:34Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:21–19:04 on the 1st, 17:20–19:03 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 0 of 103 minutes on the 1st and 103 of 103 on the 2nd.",
          "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 32022 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Fuzhou, 2043: Monday 2 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": "2043-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bali Pūjā 2043 falls on Monday 2 November. Pratipadā runs from 03:58 on Mon 2 Nov to 06:17 on Tue 3 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-02",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 233,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        },
        "end": {
          "local": "2043-11-03T06:16:34+08:00",
          "utc": "2043-11-02T22:16:34Z",
          "ms": 2330115394393.8853
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-02T03:57:32+08:00",
          "utc": "2043-11-01T19:57:32Z",
          "ms": 2330020651595.506
        },
        "end": {
          "local": "2043-11-03T06:16:34+08:00",
          "utc": "2043-11-02T22:16:34Z",
          "ms": 2330115394393.8853
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2043-11-02",
          "window": {
            "start": {
              "local": "2043-11-02T06:12:02+08:00",
              "utc": "2043-11-01T22:12:02Z",
              "ms": 2330028722192.541
            },
            "end": {
              "local": "2043-11-02T09:54:48+08:00",
              "utc": "2043-11-02T01:54:48Z",
              "ms": 2330042088435.091
            }
          },
          "covered_min": 223,
          "window_min": 223,
          "qualifies": true
        },
        {
          "local_date": "2043-11-03",
          "window": {
            "start": {
              "local": "2043-11-03T06:12:41+08:00",
              "utc": "2043-11-02T22:12:41Z",
              "ms": 2330115161017.6904
            },
            "end": {
              "local": "2043-11-03T09:55:01+08:00",
              "utc": "2043-11-03T01:55:01Z",
              "ms": 2330128501037.762
            }
          },
          "covered_min": 4,
          "window_min": 222,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 03:58 on Mon 2 Nov to 06:17 on Tue 3 Nov.",
          "fact": "2043-11-01T19:57:32Z → 2043-11-02T22:16:34Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:12–09:55 on the 2nd, 06:13–09:55 on the 3rd.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 223 of 223 minutes on the 2nd and 4 of 222 on the 3rd.",
          "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 233 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Fuzhou, 2043: Monday 2 November.",
          "fact": "confidence: boundary (margin, 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": "2043-11-02",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Dyūta Pratipad 2043 falls on Monday 2 November. Pratipadā runs from 03:58 on Mon 2 Nov to 06:17 on Tue 3 Nov and covers all of pūrvāhṇa that forenoon. It also reaches the next forenoon for 4 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 53 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9411,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2043-11-03T06:16:34+08:00",
          "utc": "2043-11-02T22:16:34Z",
          "ms": 2330115394393.8853
        },
        "end": {
          "local": "2043-11-04T08:45:21+08:00",
          "utc": "2043-11-04T00:45:21Z",
          "ms": 2330210720508.0127
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-03T06:16:34+08:00",
          "utc": "2043-11-02T22:16:34Z",
          "ms": 2330115394393.8853
        },
        "end": {
          "local": "2043-11-04T08:45:21+08:00",
          "utc": "2043-11-04T00:45:21Z",
          "ms": 2330210720508.0127
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-11-03",
          "window": {
            "start": {
              "local": "2043-11-03T11:22:11+08:00",
              "utc": "2043-11-03T03:22:11Z",
              "ms": 2330133731047.7983
            },
            "end": {
              "local": "2043-11-03T12:10:11+08:00",
              "utc": "2043-11-03T04:10:11Z",
              "ms": 2330136611047.7983
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-11-04",
          "window": {
            "start": {
              "local": "2043-11-04T11:22:11+08:00",
              "utc": "2043-11-04T03:22:11Z",
              "ms": 2330220131353.2134
            },
            "end": {
              "local": "2043-11-04T12:10:11+08:00",
              "utc": "2043-11-04T04:10:11Z",
              "ms": 2330223011353.2134
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 06:17 on Tue 3 Nov to 08:45 on Wed 4 Nov.",
          "fact": "2043-11-02T22:16:34Z → 2043-11-04T00:45:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 3rd, 11:22–12:10 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 9411 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Fuzhou, 2043: Tuesday 3 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": "2043-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 2043 falls on Tuesday 3 November. Dvitīyā runs from 06:17 on Tue 3 Nov to 08:45 on Wed 4 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/vinayaka-chaturthi?on=2043-11-05",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 207,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-11-05T11:18:45+08:00",
          "utc": "2043-11-05T03:18:45Z",
          "ms": 2330306325229.2886
        },
        "end": {
          "local": "2043-11-06T13:50:10+08:00",
          "utc": "2043-11-06T05:50:10Z",
          "ms": 2330401809704.488
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-05T11:18:45+08:00",
          "utc": "2043-11-05T03:18:45Z",
          "ms": 2330306325229.2886
        },
        "end": {
          "local": "2043-11-06T13:50:10+08:00",
          "utc": "2043-11-06T05:50:10Z",
          "ms": 2330401809704.488
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-11-05",
          "window": {
            "start": {
              "local": "2043-11-05T11:22:12+08:00",
              "utc": "2043-11-05T03:22:12Z",
              "ms": 2330306532477.0273
            },
            "end": {
              "local": "2043-11-05T12:10:12+08:00",
              "utc": "2043-11-05T04:10:12Z",
              "ms": 2330309412477.0273
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-11-06",
          "window": {
            "start": {
              "local": "2043-11-06T11:22:14+08:00",
              "utc": "2043-11-06T03:22:14Z",
              "ms": 2330392934423.0366
            },
            "end": {
              "local": "2043-11-06T12:10:14+08:00",
              "utc": "2043-11-06T04:10:14Z",
              "ms": 2330395814423.0366
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:19 on Thu 5 Nov to 13:50 on Fri 6 Nov.",
          "fact": "2043-11-05T03:18:45Z → 2043-11-06T05:50:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 5th, 11:22–12:10 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 207 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Thursday 5 November.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-11-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-06",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Thursday 5 November. Caturthī runs from 11:19 on Thu 5 Nov to 13:50 on Fri 6 Nov 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. It is 3 min 27 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-11-05",
      "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/2043/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-06",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 207,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-11-05T11:18:45+08:00",
          "utc": "2043-11-05T03:18:45Z",
          "ms": 2330306325229.2886
        },
        "end": {
          "local": "2043-11-06T13:50:10+08:00",
          "utc": "2043-11-06T05:50:10Z",
          "ms": 2330401809704.488
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-05T11:18:45+08:00",
          "utc": "2043-11-05T03:18:45Z",
          "ms": 2330306325229.2886
        },
        "end": {
          "local": "2043-11-06T13:50:10+08:00",
          "utc": "2043-11-06T05:50:10Z",
          "ms": 2330401809704.488
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-11-05",
          "window": {
            "start": {
              "local": "2043-11-05T11:22:12+08:00",
              "utc": "2043-11-05T03:22:12Z",
              "ms": 2330306532477.0273
            },
            "end": {
              "local": "2043-11-05T12:10:12+08:00",
              "utc": "2043-11-05T04:10:12Z",
              "ms": 2330309412477.0273
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-11-06",
          "window": {
            "start": {
              "local": "2043-11-06T11:22:14+08:00",
              "utc": "2043-11-06T03:22:14Z",
              "ms": 2330392934423.0366
            },
            "end": {
              "local": "2043-11-06T12:10:14+08:00",
              "utc": "2043-11-06T04:10:14Z",
              "ms": 2330395814423.0366
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:19 on Thu 5 Nov to 13:50 on Fri 6 Nov.",
          "fact": "2043-11-05T03:18:45Z → 2043-11-06T05:50:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 5th, 11:22–12:10 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 207 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Fuzhou, 2043: Friday 6 November.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2043-11-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Caturthī 2043 falls on Friday 6 November. Caturthī runs from 11:19 on Thu 5 Nov to 13:50 on Fri 6 Nov and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 3 min 27 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14452,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2043-11-07T16:11:09+08:00",
          "utc": "2043-11-07T08:11:09Z",
          "ms": 2330496668884.8247
        },
        "end": {
          "local": "2043-11-08T18:11:55+08:00",
          "utc": "2043-11-08T10:11:55Z",
          "ms": 2330590314984.283
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-07T16:11:09+08:00",
          "utc": "2043-11-07T08:11:09Z",
          "ms": 2330496668884.8247
        },
        "end": {
          "local": "2043-11-08T18:11:55+08:00",
          "utc": "2043-11-08T10:11:55Z",
          "ms": 2330590314984.283
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-11-07",
          "window": {
            "start": {
              "local": "2043-11-07T11:22:17+08:00",
              "utc": "2043-11-07T03:22:17Z",
              "ms": 2330479337194.45
            },
            "end": {
              "local": "2043-11-07T12:10:17+08:00",
              "utc": "2043-11-07T04:10:17Z",
              "ms": 2330482217194.45
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-11-08",
          "window": {
            "start": {
              "local": "2043-11-08T11:22:21+08:00",
              "utc": "2043-11-08T03:22:21Z",
              "ms": 2330565740793.917
            },
            "end": {
              "local": "2043-11-08T12:10:21+08:00",
              "utc": "2043-11-08T04:10:21Z",
              "ms": 2330568620793.917
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 16:11 on Sat 7 Nov to 18:12 on Sun 8 Nov.",
          "fact": "2043-11-07T08:11:09Z → 2043-11-08T10:11:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 7th, 11:22–12:10 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14452 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Fuzhou, 2043: Sunday 8 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": "2043-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 2043 falls on Sunday 8 November. Ṣaṣṭhī runs from 16:11 on Sat 7 Nov to 18:12 on Sun 8 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27113,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2043-11-09T19:42:18+08:00",
          "utc": "2043-11-09T11:42:18Z",
          "ms": 2330682138322.573
        },
        "end": {
          "local": "2043-11-10T20:33:12+08:00",
          "utc": "2043-11-10T12:33:12Z",
          "ms": 2330771592042.771
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-09T19:42:18+08:00",
          "utc": "2043-11-09T11:42:18Z",
          "ms": 2330682138322.573
        },
        "end": {
          "local": "2043-11-10T20:33:12+08:00",
          "utc": "2043-11-10T12:33:12Z",
          "ms": 2330771592042.771
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-11-09",
          "window": {
            "start": {
              "local": "2043-11-09T11:22:25+08:00",
              "utc": "2043-11-09T03:22:25Z",
              "ms": 2330652145223.5654
            },
            "end": {
              "local": "2043-11-09T12:10:25+08:00",
              "utc": "2043-11-09T04:10:25Z",
              "ms": 2330655025223.5654
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-11-10",
          "window": {
            "start": {
              "local": "2043-11-10T11:22:30+08:00",
              "utc": "2043-11-10T03:22:30Z",
              "ms": 2330738550485.0576
            },
            "end": {
              "local": "2043-11-10T12:10:30+08:00",
              "utc": "2043-11-10T04:10:30Z",
              "ms": 2330741430485.0576
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 19:42 on Mon 9 Nov to 20:33 on Tue 10 Nov.",
          "fact": "2043-11-09T11:42:18Z → 2043-11-10T12:33:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 9th, 11:23–12:11 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27113 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Fuzhou, 2043: Tuesday 10 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": "2043-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gopāṣṭamī 2043 falls on Tuesday 10 November. Aṣṭamī runs from 19:42 on Mon 9 Nov to 20:33 on Tue 10 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34852,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2043-11-10T20:33:12+08:00",
          "utc": "2043-11-10T12:33:12Z",
          "ms": 2330771592042.771
        },
        "end": {
          "local": "2043-11-11T20:37:56+08:00",
          "utc": "2043-11-11T12:37:56Z",
          "ms": 2330858275707.27
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-10T20:33:12+08:00",
          "utc": "2043-11-10T12:33:12Z",
          "ms": 2330771592042.771
        },
        "end": {
          "local": "2043-11-11T20:37:56+08:00",
          "utc": "2043-11-11T12:37:56Z",
          "ms": 2330858275707.27
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2043-11-11",
          "window": {
            "start": {
              "local": "2043-11-11T06:18:06+08:00",
              "utc": "2043-11-10T22:18:06Z",
              "ms": 2330806685762.2417
            },
            "end": {
              "local": "2043-11-11T09:57:06+08:00",
              "utc": "2043-11-11T01:57:06Z",
              "ms": 2330819826307.203
            }
          },
          "covered_min": 219,
          "window_min": 219,
          "qualifies": true
        },
        {
          "local_date": "2043-11-12",
          "window": {
            "start": {
              "local": "2043-11-12T06:18:48+08:00",
              "utc": "2043-11-11T22:18:48Z",
              "ms": 2330893127903.467
            },
            "end": {
              "local": "2043-11-12T09:57:25+08:00",
              "utc": "2043-11-12T01:57:25Z",
              "ms": 2330906244973.487
            }
          },
          "covered_min": 0,
          "window_min": 219,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 20:33 on Tue 10 Nov to 20:38 on Wed 11 Nov.",
          "fact": "2043-11-10T12:33:12Z → 2043-11-11T12:37:56Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:18–09:57 on the 11th, 06:19–09:57 on the 12th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 219 of 219 minutes on the 11th and 0 of 219 on the 12th.",
          "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 34852 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Fuzhou, 2043: Wednesday 11 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": "2043-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 2043 falls on Wednesday 11 November. Navamī runs from 20:33 on Tue 10 Nov to 20:38 on Wed 11 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30162,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2043-11-10T20:33:12+08:00",
          "utc": "2043-11-10T12:33:12Z",
          "ms": 2330771592042.771
        },
        "end": {
          "local": "2043-11-11T20:37:56+08:00",
          "utc": "2043-11-11T12:37:56Z",
          "ms": 2330858275707.27
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-10T20:33:12+08:00",
          "utc": "2043-11-10T12:33:12Z",
          "ms": 2330771592042.771
        },
        "end": {
          "local": "2043-11-11T20:37:56+08:00",
          "utc": "2043-11-11T12:37:56Z",
          "ms": 2330858275707.27
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-11-10",
          "window": {
            "start": {
              "local": "2043-11-10T11:22:30+08:00",
              "utc": "2043-11-10T03:22:30Z",
              "ms": 2330738550485.0576
            },
            "end": {
              "local": "2043-11-10T12:10:30+08:00",
              "utc": "2043-11-10T04:10:30Z",
              "ms": 2330741430485.0576
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-11-11",
          "window": {
            "start": {
              "local": "2043-11-11T11:22:37+08:00",
              "utc": "2043-11-11T03:22:37Z",
              "ms": 2330824956579.6836
            },
            "end": {
              "local": "2043-11-11T12:10:37+08:00",
              "utc": "2043-11-11T04:10:37Z",
              "ms": 2330827836579.6836
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 20:33 on Tue 10 Nov to 20:38 on Wed 11 Nov.",
          "fact": "2043-11-10T12:33:12Z → 2043-11-11T12:37:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 10th, 11:23–12:11 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 30162 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Fuzhou, 2043: Wednesday 11 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": "2043-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Navamī 2043 falls on Wednesday 11 November. Navamī runs from 20:33 on Tue 10 Nov to 20:38 on Wed 11 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-11-13",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37577,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-11-12T19:53:13+08:00",
          "utc": "2043-11-12T11:53:13Z",
          "ms": 2330941993159.445
        },
        "end": {
          "local": "2043-11-13T18:19:32+08:00",
          "utc": "2043-11-13T10:19:32Z",
          "ms": 2331022772267.779
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-12T19:53:13+08:00",
          "utc": "2043-11-12T11:53:13Z",
          "ms": 2330941993159.445
        },
        "end": {
          "local": "2043-11-13T18:19:32+08:00",
          "utc": "2043-11-13T10:19:32Z",
          "ms": 2331022772267.779
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-11-13",
          "window": {
            "start": {
              "local": "2043-11-13T06:19:30+08:00",
              "utc": "2043-11-12T22:19:30Z",
              "ms": 2330979570334.5967
            },
            "end": {
              "local": "2043-11-13T06:19:30+08:00",
              "utc": "2043-11-12T22:19:30Z",
              "ms": 2330979570334.5967
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-11-14",
          "window": {
            "start": {
              "local": "2043-11-14T06:20:13+08:00",
              "utc": "2043-11-13T22:20:13Z",
              "ms": 2331066013039.0083
            },
            "end": {
              "local": "2043-11-14T06:20:13+08:00",
              "utc": "2043-11-13T22:20:13Z",
              "ms": 2331066013039.0083
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:53 on Thu 12 Nov to 18:20 on Fri 13 Nov.",
          "fact": "2043-11-12T11:53:13Z → 2043-11-13T10:19:32Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:20 on the 13th and 06:20 on the 14th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37577 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Fuzhou, 2043: Friday 13 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": "2043-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Prabodhinī Ekādaśī 2043 falls on Friday 13 November. Ekādaśī runs from 19:53 on Thu 12 Nov to 18:20 on Fri 13 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-11-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/pradosha-vrata?on=2043-11-14",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4377,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-11-14T16:00:50+08:00",
          "utc": "2043-11-14T08:00:50Z",
          "ms": 2331100849762.0166
        },
        "end": {
          "local": "2043-11-15T13:03:54+08:00",
          "utc": "2043-11-15T05:03:54Z",
          "ms": 2331176634233.9272
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-14T16:00:50+08:00",
          "utc": "2043-11-14T08:00:50Z",
          "ms": 2331100849762.0166
        },
        "end": {
          "local": "2043-11-15T13:03:54+08:00",
          "utc": "2043-11-15T05:03:54Z",
          "ms": 2331176634233.9272
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-11-14",
          "window": {
            "start": {
              "local": "2043-11-14T17:13:47+08:00",
              "utc": "2043-11-14T09:13:47Z",
              "ms": 2331105226706.3926
            },
            "end": {
              "local": "2043-11-14T18:58:44+08:00",
              "utc": "2043-11-14T10:58:44Z",
              "ms": 2331111523945.6045
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2043-11-15",
          "window": {
            "start": {
              "local": "2043-11-15T17:13:23+08:00",
              "utc": "2043-11-15T09:13:23Z",
              "ms": 2331191602620.3706
            },
            "end": {
              "local": "2043-11-15T18:58:29+08:00",
              "utc": "2043-11-15T10:58:29Z",
              "ms": 2331197908831.4087
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:01 on Sat 14 Nov to 13:04 on Sun 15 Nov.",
          "fact": "2043-11-14T08:00:50Z → 2043-11-15T05:03:54Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:59 on the 14th, 17:13–18:58 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4377 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Saturday 14 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": "2043-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Saturday 14 November. Trayodaśī runs from 16:01 on Sat 14 Nov to 13:04 on Sun 15 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-11-14",
      "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/2043/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6338,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-11-16T09:37:42+08:00",
          "utc": "2043-11-16T01:37:42Z",
          "ms": 2331250661619.5737
        },
        "end": {
          "local": "2043-11-17T05:52:33+08:00",
          "utc": "2043-11-16T21:52:33Z",
          "ms": 2331323553006.212
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-16T09:37:42+08:00",
          "utc": "2043-11-16T01:37:42Z",
          "ms": 2331250661619.5737
        },
        "end": {
          "local": "2043-11-17T05:52:33+08:00",
          "utc": "2043-11-16T21:52:33Z",
          "ms": 2331323553006.212
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-11-16",
          "window": {
            "start": {
              "local": "2043-11-16T11:23:20+08:00",
              "utc": "2043-11-16T03:23:20Z",
              "ms": 2331256999587.053
            },
            "end": {
              "local": "2043-11-16T12:11:20+08:00",
              "utc": "2043-11-16T04:11:20Z",
              "ms": 2331259879587.053
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-11-17",
          "window": {
            "start": {
              "local": "2043-11-17T11:23:31+08:00",
              "utc": "2043-11-17T03:23:31Z",
              "ms": 2331343410703.8823
            },
            "end": {
              "local": "2043-11-17T12:11:31+08:00",
              "utc": "2043-11-17T04:11:31Z",
              "ms": 2331346290703.8823
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:38 on Mon 16 Nov to 05:53 on Tue 17 Nov.",
          "fact": "2043-11-16T01:37:42Z → 2043-11-16T21:52:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 16th, 11:24–12:12 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6338 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Fuzhou, 2043: Monday 16 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": "2043-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kārtikī Pūrṇimā 2043 falls on Monday 16 November. Pūrṇimā runs from 09:38 on Mon 16 Nov to 05:53 on Tue 17 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20452,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-11-16T09:37:42+08:00",
          "utc": "2043-11-16T01:37:42Z",
          "ms": 2331250661619.5737
        },
        "end": {
          "local": "2043-11-17T05:52:33+08:00",
          "utc": "2043-11-16T21:52:33Z",
          "ms": 2331323553006.212
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-16T09:37:42+08:00",
          "utc": "2043-11-16T01:37:42Z",
          "ms": 2331250661619.5737
        },
        "end": {
          "local": "2043-11-17T05:52:33+08:00",
          "utc": "2043-11-16T21:52:33Z",
          "ms": 2331323553006.212
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-11-15",
          "window": {
            "start": {
              "local": "2043-11-15T23:23:31+08:00",
              "utc": "2043-11-15T15:23:31Z",
              "ms": 2331213810911.7637
            },
            "end": {
              "local": "2043-11-16T00:11:31+08:00",
              "utc": "2043-11-15T16:11:31Z",
              "ms": 2331216690911.7637
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2043-11-16",
          "window": {
            "start": {
              "local": "2043-11-16T23:23:41+08:00",
              "utc": "2043-11-16T15:23:41Z",
              "ms": 2331300221301.053
            },
            "end": {
              "local": "2043-11-17T00:11:41+08:00",
              "utc": "2043-11-16T16:11:41Z",
              "ms": 2331303101301.053
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:38 on Mon 16 Nov to 05:53 on Tue 17 Nov.",
          "fact": "2043-11-16T01:37:42Z → 2043-11-16T21:52:33Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 15th, 23:24–00:12 on the 16th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20452 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Fuzhou, 2043: Monday 16 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": "2043-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāsayātrā 2043 falls on Monday 16 November. Pūrṇimā runs from 09:38 on Mon 16 Nov to 05:53 on Tue 17 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/sankashta-chaturthi?on=2043-11-19",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2995,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-11-19T18:36:20+08:00",
          "utc": "2043-11-19T10:36:20Z",
          "ms": 2331542179671.987
        },
        "end": {
          "local": "2043-11-20T15:27:53+08:00",
          "utc": "2043-11-20T07:27:53Z",
          "ms": 2331617273326.6426
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-19T18:36:20+08:00",
          "utc": "2043-11-19T10:36:20Z",
          "ms": 2331542179671.987
        },
        "end": {
          "local": "2043-11-20T15:27:53+08:00",
          "utc": "2043-11-20T07:27:53Z",
          "ms": 2331617273326.6426
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-11-19",
          "window": {
            "start": {
              "local": "2043-11-19T19:26:14+08:00",
              "utc": "2043-11-19T11:26:14Z",
              "ms": 2331545174293.714
            },
            "end": {
              "local": "2043-11-19T19:26:14+08:00",
              "utc": "2043-11-19T11:26:14Z",
              "ms": 2331545174293.714
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-11-20",
          "window": {
            "start": {
              "local": "2043-11-20T20:35:32+08:00",
              "utc": "2043-11-20T12:35:32Z",
              "ms": 2331635732398.399
            },
            "end": {
              "local": "2043-11-20T20:35:32+08:00",
              "utc": "2043-11-20T12:35:32Z",
              "ms": 2331635732398.399
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:36 on Thu 19 Nov to 15:28 on Fri 20 Nov.",
          "fact": "2043-11-19T10:36:20Z → 2043-11-20T07:27:53Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:26 on the 19th and 20:36 on the 20th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.",
          "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 2995 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Thursday 19 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": "2043-11-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Thursday 19 November. Caturthī runs from 18:36 on Thu 19 Nov to 15:28 on Fri 20 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-11-19",
      "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/2043/ekadashi?on=2043-11-27",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17705,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-11-26T11:24:05+08:00",
          "utc": "2043-11-26T03:24:05Z",
          "ms": 2332121044789.71
        },
        "end": {
          "local": "2043-11-27T13:06:35+08:00",
          "utc": "2043-11-27T05:06:35Z",
          "ms": 2332213595129.801
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-26T11:24:05+08:00",
          "utc": "2043-11-26T03:24:05Z",
          "ms": 2332121044789.71
        },
        "end": {
          "local": "2043-11-27T13:06:35+08:00",
          "utc": "2043-11-27T05:06:35Z",
          "ms": 2332213595129.801
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-11-26",
          "window": {
            "start": {
              "local": "2043-11-26T06:29:00+08:00",
              "utc": "2043-11-25T22:29:00Z",
              "ms": 2332103340204.082
            },
            "end": {
              "local": "2043-11-26T06:29:00+08:00",
              "utc": "2043-11-25T22:29:00Z",
              "ms": 2332103340204.082
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-11-27",
          "window": {
            "start": {
              "local": "2043-11-27T06:29:45+08:00",
              "utc": "2043-11-26T22:29:45Z",
              "ms": 2332189784621.6904
            },
            "end": {
              "local": "2043-11-27T06:29:45+08:00",
              "utc": "2043-11-26T22:29:45Z",
              "ms": 2332189784621.6904
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:24 on Thu 26 Nov to 13:07 on Fri 27 Nov.",
          "fact": "2043-11-26T03:24:05Z → 2043-11-27T05:06:35Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:29 on the 26th and 06:30 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 17705 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Fuzhou, 2043: Friday 27 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": "2043-11-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Utpannā Ekādaśī 2043 falls on Friday 27 November. Ekādaśī runs from 11:24 on Thu 26 Nov to 13:07 on Fri 27 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-11-27",
      "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/2043/pradosha-vrata?on=2043-11-28",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-28",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1422,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-11-28T15:12:40+08:00",
          "utc": "2043-11-28T07:12:40Z",
          "ms": 2332307559975.505
        },
        "end": {
          "local": "2043-11-29T17:34:05+08:00",
          "utc": "2043-11-29T09:34:05Z",
          "ms": 2332402445498.1953
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-28T15:12:40+08:00",
          "utc": "2043-11-28T07:12:40Z",
          "ms": 2332307559975.505
        },
        "end": {
          "local": "2043-11-29T17:34:05+08:00",
          "utc": "2043-11-29T09:34:05Z",
          "ms": 2332402445498.1953
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-11-28",
          "window": {
            "start": {
              "local": "2043-11-28T17:10:26+08:00",
              "utc": "2043-11-28T09:10:26Z",
              "ms": 2332314625922.896
            },
            "end": {
              "local": "2043-11-28T18:57:12+08:00",
              "utc": "2043-11-28T10:57:12Z",
              "ms": 2332321032225.841
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "2043-11-29",
          "window": {
            "start": {
              "local": "2043-11-29T17:10:23+08:00",
              "utc": "2043-11-29T09:10:23Z",
              "ms": 2332401023182.7153
            },
            "end": {
              "local": "2043-11-29T18:57:16+08:00",
              "utc": "2043-11-29T10:57:16Z",
              "ms": 2332407435728.068
            }
          },
          "covered_min": 24,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:13 on Sat 28 Nov to 17:34 on Sun 29 Nov.",
          "fact": "2043-11-28T07:12:40Z → 2043-11-29T09:34:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:10–18:57 on the 28th, 17:10–18:57 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 107 of 107 minutes on the 28th and 24 of 107 on the 29th.",
          "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 1422 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Saturday 28 November.",
          "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": "2043-11-28",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-28",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Saturday 28 November. Trayodaśī runs from 15:13 on Sat 28 Nov to 17:34 on Sun 29 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 24 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/2043/pradosha-vrata?on=2043-11-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/shivaratri?on=2043-11-29",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-11-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12212,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-11-29T17:34:05+08:00",
          "utc": "2043-11-29T09:34:05Z",
          "ms": 2332402445498.1953
        },
        "end": {
          "local": "2043-11-30T20:03:59+08:00",
          "utc": "2043-11-30T12:03:59Z",
          "ms": 2332497839291.1606
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-11-29T17:34:05+08:00",
          "utc": "2043-11-29T09:34:05Z",
          "ms": 2332402445498.1953
        },
        "end": {
          "local": "2043-11-30T20:03:59+08:00",
          "utc": "2043-11-30T12:03:59Z",
          "ms": 2332497839291.1606
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-11-29",
          "window": {
            "start": {
              "local": "2043-11-29T23:27:10+08:00",
              "utc": "2043-11-29T15:27:10Z",
              "ms": 2332423630227.787
            },
            "end": {
              "local": "2043-11-30T00:15:10+08:00",
              "utc": "2043-11-29T16:15:10Z",
              "ms": 2332426510227.787
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-11-30",
          "window": {
            "start": {
              "local": "2043-11-30T23:27:32+08:00",
              "utc": "2043-11-30T15:27:32Z",
              "ms": 2332510051581.3247
            },
            "end": {
              "local": "2043-12-01T00:15:32+08:00",
              "utc": "2043-11-30T16:15:32Z",
              "ms": 2332512931581.3247
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:34 on Sun 29 Nov to 20:04 on Mon 30 Nov.",
          "fact": "2043-11-29T09:34:05Z → 2043-11-30T12:03:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 29th, 23:28–00:16 on the 30th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12212 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Sunday 29 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": "2043-11-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-11-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Sunday 29 November. Caturdaśī runs from 17:34 on Sun 29 Nov to 20:04 on Mon 30 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-11-29",
      "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/2043/vinayaka-chaturthi?on=2043-12-05",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12727,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-12-05T05:54:14+08:00",
          "utc": "2043-12-04T21:54:14Z",
          "ms": 2332878854002.4517
        },
        "end": {
          "local": "2043-12-06T07:57:24+08:00",
          "utc": "2043-12-05T23:57:24Z",
          "ms": 2332972644443.508
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-05T05:54:14+08:00",
          "utc": "2043-12-04T21:54:14Z",
          "ms": 2332878854002.4517
        },
        "end": {
          "local": "2043-12-06T07:57:24+08:00",
          "utc": "2043-12-05T23:57:24Z",
          "ms": 2332972644443.508
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-12-05",
          "window": {
            "start": {
              "local": "2043-12-05T11:29:07+08:00",
              "utc": "2043-12-05T03:29:07Z",
              "ms": 2332898946620.0264
            },
            "end": {
              "local": "2043-12-05T12:17:07+08:00",
              "utc": "2043-12-05T04:17:07Z",
              "ms": 2332901826620.0264
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-12-06",
          "window": {
            "start": {
              "local": "2043-12-06T11:29:32+08:00",
              "utc": "2043-12-06T03:29:32Z",
              "ms": 2332985371778.327
            },
            "end": {
              "local": "2043-12-06T12:17:32+08:00",
              "utc": "2043-12-06T04:17:32Z",
              "ms": 2332988251778.327
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:54 on Sat 5 Dec to 07:57 on Sun 6 Dec.",
          "fact": "2043-12-04T21:54:14Z → 2043-12-05T23:57:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 5th, 11:30–12:18 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12727 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2043: Saturday 5 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": "2043-12-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2043 falls on Saturday 5 December. Caturthī runs from 05:54 on Sat 5 Dec to 07:57 on Sun 6 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/vinayaka-chaturthi?on=2043-12-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6664,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2043-12-06T07:57:24+08:00",
          "utc": "2043-12-05T23:57:24Z",
          "ms": 2332972644443.508
        },
        "end": {
          "local": "2043-12-07T09:38:53+08:00",
          "utc": "2043-12-07T01:38:53Z",
          "ms": 2333065133175.7983
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-06T07:57:24+08:00",
          "utc": "2043-12-05T23:57:24Z",
          "ms": 2332972644443.508
        },
        "end": {
          "local": "2043-12-07T09:38:53+08:00",
          "utc": "2043-12-07T01:38:53Z",
          "ms": 2333065133175.7983
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-12-06",
          "window": {
            "start": {
              "local": "2043-12-06T11:29:32+08:00",
              "utc": "2043-12-06T03:29:32Z",
              "ms": 2332985371778.327
            },
            "end": {
              "local": "2043-12-06T12:17:32+08:00",
              "utc": "2043-12-06T04:17:32Z",
              "ms": 2332988251778.327
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-12-07",
          "window": {
            "start": {
              "local": "2043-12-07T11:29:57+08:00",
              "utc": "2043-12-07T03:29:57Z",
              "ms": 2333071797458.446
            },
            "end": {
              "local": "2043-12-07T12:17:57+08:00",
              "utc": "2043-12-07T04:17:57Z",
              "ms": 2333074677458.446
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 07:57 on Sun 6 Dec to 09:39 on Mon 7 Dec.",
          "fact": "2043-12-05T23:57:24Z → 2043-12-07T01:38:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 6th, 11:30–12:18 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6664 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 2043: Sunday 6 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": "2043-12-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 2043 falls on Sunday 6 December. Pañcamī runs from 07:57 on Sun 6 Dec to 09:39 on Mon 7 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2369,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2043-12-07T09:38:53+08:00",
          "utc": "2043-12-07T01:38:53Z",
          "ms": 2333065133175.7983
        },
        "end": {
          "local": "2043-12-08T10:50:55+08:00",
          "utc": "2043-12-08T02:50:55Z",
          "ms": 2333155854925.83
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-07T09:38:53+08:00",
          "utc": "2043-12-07T01:38:53Z",
          "ms": 2333065133175.7983
        },
        "end": {
          "local": "2043-12-08T10:50:55+08:00",
          "utc": "2043-12-08T02:50:55Z",
          "ms": 2333155854925.83
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-12-07",
          "window": {
            "start": {
              "local": "2043-12-07T11:29:57+08:00",
              "utc": "2043-12-07T03:29:57Z",
              "ms": 2333071797458.446
            },
            "end": {
              "local": "2043-12-07T12:17:57+08:00",
              "utc": "2043-12-07T04:17:57Z",
              "ms": 2333074677458.446
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-12-08",
          "window": {
            "start": {
              "local": "2043-12-08T11:30:24+08:00",
              "utc": "2043-12-08T03:30:24Z",
              "ms": 2333158223631.006
            },
            "end": {
              "local": "2043-12-08T12:18:24+08:00",
              "utc": "2043-12-08T04:18:24Z",
              "ms": 2333161103631.006
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:39 on Mon 7 Dec to 10:51 on Tue 8 Dec.",
          "fact": "2043-12-07T01:38:53Z → 2043-12-08T02:50:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 7th, 11:30–12:18 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2369 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Fuzhou, 2043: Monday 7 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": "2043-12-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-07",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Campā Ṣaṣṭhī 2043 falls on Monday 7 December. Ṣaṣṭhī runs from 09:39 on Mon 7 Dec to 10:51 on Tue 8 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2369,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2043-12-07T09:38:53+08:00",
          "utc": "2043-12-07T01:38:53Z",
          "ms": 2333065133175.7983
        },
        "end": {
          "local": "2043-12-08T10:50:55+08:00",
          "utc": "2043-12-08T02:50:55Z",
          "ms": 2333155854925.83
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-07T09:38:53+08:00",
          "utc": "2043-12-07T01:38:53Z",
          "ms": 2333065133175.7983
        },
        "end": {
          "local": "2043-12-08T10:50:55+08:00",
          "utc": "2043-12-08T02:50:55Z",
          "ms": 2333155854925.83
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-12-07",
          "window": {
            "start": {
              "local": "2043-12-07T11:29:57+08:00",
              "utc": "2043-12-07T03:29:57Z",
              "ms": 2333071797458.446
            },
            "end": {
              "local": "2043-12-07T12:17:57+08:00",
              "utc": "2043-12-07T04:17:57Z",
              "ms": 2333074677458.446
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-12-08",
          "window": {
            "start": {
              "local": "2043-12-08T11:30:24+08:00",
              "utc": "2043-12-08T03:30:24Z",
              "ms": 2333158223631.006
            },
            "end": {
              "local": "2043-12-08T12:18:24+08:00",
              "utc": "2043-12-08T04:18:24Z",
              "ms": 2333161103631.006
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:39 on Mon 7 Dec to 10:51 on Tue 8 Dec.",
          "fact": "2043-12-07T01:38:53Z → 2043-12-08T02:50:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 7th, 11:30–12:18 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 2369 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Fuzhou, 2043: Monday 7 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": "2043-12-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-07",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī 2043 falls on Monday 7 December. Ṣaṣṭhī runs from 09:39 on Mon 7 Dec to 10:51 on Tue 8 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-08",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 294,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2043-12-08T10:50:55+08:00",
          "utc": "2043-12-08T02:50:55Z",
          "ms": 2333155854925.83
        },
        "end": {
          "local": "2043-12-09T11:25:56+08:00",
          "utc": "2043-12-09T03:25:56Z",
          "ms": 2333244356039.934
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-08T10:50:55+08:00",
          "utc": "2043-12-08T02:50:55Z",
          "ms": 2333155854925.83
        },
        "end": {
          "local": "2043-12-09T11:25:56+08:00",
          "utc": "2043-12-09T03:25:56Z",
          "ms": 2333244356039.934
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-12-08",
          "window": {
            "start": {
              "local": "2043-12-08T11:30:24+08:00",
              "utc": "2043-12-08T03:30:24Z",
              "ms": 2333158223631.006
            },
            "end": {
              "local": "2043-12-08T12:18:24+08:00",
              "utc": "2043-12-08T04:18:24Z",
              "ms": 2333161103631.006
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-12-09",
          "window": {
            "start": {
              "local": "2043-12-09T11:30:50+08:00",
              "utc": "2043-12-09T03:30:50Z",
              "ms": 2333244650266.258
            },
            "end": {
              "local": "2043-12-09T12:18:50+08:00",
              "utc": "2043-12-09T04:18:50Z",
              "ms": 2333247530266.258
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 10:51 on Tue 8 Dec to 11:26 on Wed 9 Dec.",
          "fact": "2043-12-08T02:50:55Z → 2043-12-09T03:25:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 8th, 11:31–12:19 on the 9th.",
          "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 8th and 0 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 294 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Fuzhou, 2043: Tuesday 8 December.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2043-12-08",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-08",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Mitra Saptamī 2043 falls on Tuesday 8 December. Saptamī runs from 10:51 on Tue 8 Dec to 11:26 on Wed 9 Dec and covers all of madhyāhna that midday. It is 4 min 54 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/ekadashi?on=2043-12-12",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1405,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-12-12T08:42:07+08:00",
          "utc": "2043-12-12T00:42:07Z",
          "ms": 2333493726852.1797
        },
        "end": {
          "local": "2043-12-13T06:17:33+08:00",
          "utc": "2043-12-12T22:17:33Z",
          "ms": 2333571452659.378
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-12T08:42:07+08:00",
          "utc": "2043-12-12T00:42:07Z",
          "ms": 2333493726852.1797
        },
        "end": {
          "local": "2043-12-13T06:17:33+08:00",
          "utc": "2043-12-12T22:17:33Z",
          "ms": 2333571452659.378
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-12-12",
          "window": {
            "start": {
              "local": "2043-12-12T06:40:19+08:00",
              "utc": "2043-12-11T22:40:19Z",
              "ms": 2333486418959.6226
            },
            "end": {
              "local": "2043-12-12T06:40:19+08:00",
              "utc": "2043-12-11T22:40:19Z",
              "ms": 2333486418959.6226
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-12-13",
          "window": {
            "start": {
              "local": "2043-12-13T06:40:57+08:00",
              "utc": "2043-12-12T22:40:57Z",
              "ms": 2333572857200.8804
            },
            "end": {
              "local": "2043-12-13T06:40:57+08:00",
              "utc": "2043-12-12T22:40:57Z",
              "ms": 2333572857200.8804
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:42 on Sat 12 Dec to 06:18 on Sun 13 Dec.",
          "fact": "2043-12-12T00:42:07Z → 2043-12-12T22:17:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:40 on the 12th and 06:41 on the 13th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not 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": "Neither sunrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 1405 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Fuzhou, 2043: Saturday 12 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": "2043-12-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mokṣadā Ekādaśī 2043 falls on Saturday 12 December. Ekādaśī runs from 08:42 on Sat 12 Dec to 06:18 on Sun 13 Dec, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-12-12",
      "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/2043/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18908,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2043-12-13T06:17:33+08:00",
          "utc": "2043-12-12T22:17:33Z",
          "ms": 2333571452659.378
        },
        "end": {
          "local": "2043-12-14T03:15:51+08:00",
          "utc": "2043-12-13T19:15:51Z",
          "ms": 2333646951360.4653
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-13T06:17:33+08:00",
          "utc": "2043-12-12T22:17:33Z",
          "ms": 2333571452659.378
        },
        "end": {
          "local": "2043-12-14T03:15:51+08:00",
          "utc": "2043-12-13T19:15:51Z",
          "ms": 2333646951360.4653
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2043-12-13",
          "window": {
            "start": {
              "local": "2043-12-13T11:32:41+08:00",
              "utc": "2043-12-13T03:32:41Z",
              "ms": 2333590360837.9453
            },
            "end": {
              "local": "2043-12-13T12:20:41+08:00",
              "utc": "2043-12-13T04:20:41Z",
              "ms": 2333593240837.9453
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-12-14",
          "window": {
            "start": {
              "local": "2043-12-14T11:33:09+08:00",
              "utc": "2043-12-14T03:33:09Z",
              "ms": 2333676789342.4824
            },
            "end": {
              "local": "2043-12-14T12:21:09+08:00",
              "utc": "2043-12-14T04:21:09Z",
              "ms": 2333679669342.4824
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 06:18 on Sun 13 Dec to 03:16 on Mon 14 Dec.",
          "fact": "2043-12-12T22:17:33Z → 2043-12-13T19:15:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 13th, 11:33–12:21 on the 14th.",
          "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 13th and 0 of 48 on the 14th.",
          "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 18908 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Fuzhou, 2043: Sunday 13 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": "2043-12-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 2043 falls on Sunday 13 December. Dvādaśī runs from 06:18 on Sun 13 Dec to 03:16 on Mon 14 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/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/2043/pradosha-vrata?on=2043-12-14",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17101,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-12-14T03:15:51+08:00",
          "utc": "2043-12-13T19:15:51Z",
          "ms": 2333646951360.4653
        },
        "end": {
          "local": "2043-12-14T23:45:40+08:00",
          "utc": "2043-12-14T15:45:40Z",
          "ms": 2333720740217.9536
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-14T03:15:51+08:00",
          "utc": "2043-12-13T19:15:51Z",
          "ms": 2333646951360.4653
        },
        "end": {
          "local": "2043-12-14T23:45:40+08:00",
          "utc": "2043-12-14T15:45:40Z",
          "ms": 2333720740217.9536
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-12-13",
          "window": {
            "start": {
              "local": "2043-12-13T17:12:24+08:00",
              "utc": "2043-12-13T09:12:24Z",
              "ms": 2333610744475.0103
            },
            "end": {
              "local": "2043-12-13T19:00:18+08:00",
              "utc": "2043-12-13T11:00:18Z",
              "ms": 2333617217839.016
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "2043-12-14",
          "window": {
            "start": {
              "local": "2043-12-14T17:12:44+08:00",
              "utc": "2043-12-14T09:12:44Z",
              "ms": 2333697163979.912
            },
            "end": {
              "local": "2043-12-14T19:00:40+08:00",
              "utc": "2043-12-14T11:00:40Z",
              "ms": 2333703639640.855
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:16 on Mon 14 Dec to 23:46 on Mon 14 Dec.",
          "fact": "2043-12-13T19:15:51Z → 2043-12-14T15:45:40Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–19:00 on the 13th, 17:13–19:01 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 108 minutes on the 13th and 108 of 108 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17101 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2043: Monday 14 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": "2043-12-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2043 falls on Monday 14 December. Trayodaśī runs from 03:16 on Mon 14 Dec to 23:46 on Mon 14 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-12-14",
      "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/2043/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-15",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3375,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2043-12-15T19:57:17+08:00",
          "utc": "2043-12-15T11:57:17Z",
          "ms": 2333793437484.384
        },
        "end": {
          "local": "2043-12-16T16:02:05+08:00",
          "utc": "2043-12-16T08:02:05Z",
          "ms": 2333865725072.0757
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-15T19:57:17+08:00",
          "utc": "2043-12-15T11:57:17Z",
          "ms": 2333793437484.384
        },
        "end": {
          "local": "2043-12-16T16:02:05+08:00",
          "utc": "2043-12-16T08:02:05Z",
          "ms": 2333865725072.0757
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-12-15",
          "window": {
            "start": {
              "local": "2043-12-15T17:13:05+08:00",
              "utc": "2043-12-15T09:13:05Z",
              "ms": 2333783584833.829
            },
            "end": {
              "local": "2043-12-15T19:01:03+08:00",
              "utc": "2043-12-15T11:01:03Z",
              "ms": 2333790062504.363
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "2043-12-16",
          "window": {
            "start": {
              "local": "2043-12-16T17:13:27+08:00",
              "utc": "2043-12-16T09:13:27Z",
              "ms": 2333870007016.3916
            },
            "end": {
              "local": "2043-12-16T19:01:26+08:00",
              "utc": "2043-12-16T11:01:26Z",
              "ms": 2333876486407.4683
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:57 on Tue 15 Dec to 16:02 on Wed 16 Dec.",
          "fact": "2043-12-15T11:57:17Z → 2043-12-16T08:02:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–19:01 on the 15th, 17:13–19:01 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 108 minutes on the 15th and 0 of 108 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 3375 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Fuzhou, 2043: Tuesday 15 December.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2043-12-15",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-15",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 2043 falls on Tuesday 15 December. Pūrṇimā runs from 19:57 on Tue 15 Dec to 16:02 on Wed 16 Dec, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/dattatreyotpatti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-12-19",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23709,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2043-12-19T05:33:50+08:00",
          "utc": "2043-12-18T21:33:50Z",
          "ms": 2334087229987.451
        },
        "end": {
          "local": "2043-12-20T03:07:22+08:00",
          "utc": "2043-12-19T19:07:22Z",
          "ms": 2334164842034.6104
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-19T05:33:50+08:00",
          "utc": "2043-12-18T21:33:50Z",
          "ms": 2334087229987.451
        },
        "end": {
          "local": "2043-12-20T03:07:22+08:00",
          "utc": "2043-12-19T19:07:22Z",
          "ms": 2334164842034.6104
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2043-12-18",
          "window": {
            "start": {
              "local": "2043-12-18T19:22:46+08:00",
              "utc": "2043-12-18T11:22:46Z",
              "ms": 2334050565562.876
            },
            "end": {
              "local": "2043-12-18T19:22:46+08:00",
              "utc": "2043-12-18T11:22:46Z",
              "ms": 2334050565562.876
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2043-12-19",
          "window": {
            "start": {
              "local": "2043-12-19T20:32:13+08:00",
              "utc": "2043-12-19T12:32:13Z",
              "ms": 2334141133481.592
            },
            "end": {
              "local": "2043-12-19T20:32:13+08:00",
              "utc": "2043-12-19T12:32:13Z",
              "ms": 2334141133481.592
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:34 on Sat 19 Dec to 03:07 on Sun 20 Dec.",
          "fact": "2043-12-18T21:33:50Z → 2043-12-19T19:07:22Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:23 on the 18th and 20:32 on the 19th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 18th and is on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23709 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2043: Saturday 19 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": "2043-12-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2043 falls on Saturday 19 December. Caturthī runs from 05:34 on Sat 19 Dec to 03:07 on Sun 20 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/sankashta-chaturthi?on=2043-12-19",
      "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/2043/ekadashi?on=2043-12-27",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3626,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2043-12-26T05:21:03+08:00",
          "utc": "2043-12-25T21:21:03Z",
          "ms": 2334691263246.1245
        },
        "end": {
          "local": "2043-12-27T07:48:46+08:00",
          "utc": "2043-12-26T23:48:46Z",
          "ms": 2334786526111.224
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-26T05:21:03+08:00",
          "utc": "2043-12-25T21:21:03Z",
          "ms": 2334691263246.1245
        },
        "end": {
          "local": "2043-12-27T07:48:46+08:00",
          "utc": "2043-12-26T23:48:46Z",
          "ms": 2334786526111.224
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2043-12-26",
          "window": {
            "start": {
              "local": "2043-12-26T06:47:55+08:00",
              "utc": "2043-12-25T22:47:55Z",
              "ms": 2334696474888.081
            },
            "end": {
              "local": "2043-12-26T06:47:55+08:00",
              "utc": "2043-12-25T22:47:55Z",
              "ms": 2334696474888.081
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2043-12-27",
          "window": {
            "start": {
              "local": "2043-12-27T06:48:20+08:00",
              "utc": "2043-12-26T22:48:20Z",
              "ms": 2334782899714.85
            },
            "end": {
              "local": "2043-12-27T06:48:20+08:00",
              "utc": "2043-12-26T22:48:20Z",
              "ms": 2334782899714.85
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:21 on Sat 26 Dec to 07:49 on Sun 27 Dec.",
          "fact": "2043-12-25T21:21:03Z → 2043-12-26T23:48:46Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:48 on the 26th and 06:48 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 on the 27th.",
          "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 3626 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Fuzhou, 2043: Sunday 27 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": "2043-12-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saphalā Ekādaśī 2043 falls on Sunday 27 December. Ekādaśī runs from 05:21 on Sat 26 Dec to 07:49 on Sun 27 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/ekadashi?on=2043-12-27",
      "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/2043/pradosha-vrata?on=2043-12-28",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15522,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2043-12-28T10:25:17+08:00",
          "utc": "2043-12-28T02:25:17Z",
          "ms": 2334882316574.3506
        },
        "end": {
          "local": "2043-12-29T13:01:23+08:00",
          "utc": "2043-12-29T05:01:23Z",
          "ms": 2334978083030.295
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-28T10:25:17+08:00",
          "utc": "2043-12-28T02:25:17Z",
          "ms": 2334882316574.3506
        },
        "end": {
          "local": "2043-12-29T13:01:23+08:00",
          "utc": "2043-12-29T05:01:23Z",
          "ms": 2334978083030.295
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2043-12-28",
          "window": {
            "start": {
              "local": "2043-12-28T17:19:28+08:00",
              "utc": "2043-12-28T09:19:28Z",
              "ms": 2334907167619.012
            },
            "end": {
              "local": "2043-12-28T19:07:25+08:00",
              "utc": "2043-12-28T11:07:25Z",
              "ms": 2334913644696.859
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "2043-12-29",
          "window": {
            "start": {
              "local": "2043-12-29T17:20:05+08:00",
              "utc": "2043-12-29T09:20:05Z",
              "ms": 2334993604543.299
            },
            "end": {
              "local": "2043-12-29T19:08:00+08:00",
              "utc": "2043-12-29T11:08:00Z",
              "ms": 2335000079511.196
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:25 on Mon 28 Dec to 13:01 on Tue 29 Dec.",
          "fact": "2043-12-28T02:25:17Z → 2043-12-29T05:01:23Z"
        },
        {
          "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": "Trayodaśī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15522 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2043: Monday 28 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": "2043-12-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2043 falls on Monday 28 December. Trayodaśī runs from 10:25 on Mon 28 Dec to 13:01 on Tue 29 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/pradosha-vrata?on=2043-12-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2043/shivaratri?on=2043-12-29",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2043,
      "local_date": "2043-12-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29447,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2043-12-29T13:01:23+08:00",
          "utc": "2043-12-29T05:01:23Z",
          "ms": 2334978083030.295
        },
        "end": {
          "local": "2043-12-30T15:30:27+08:00",
          "utc": "2043-12-30T07:30:27Z",
          "ms": 2335073427043.0503
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2043-12-29T13:01:23+08:00",
          "utc": "2043-12-29T05:01:23Z",
          "ms": 2334978083030.295
        },
        "end": {
          "local": "2043-12-30T15:30:27+08:00",
          "utc": "2043-12-30T07:30:27Z",
          "ms": 2335073427043.0503
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2043-12-29",
          "window": {
            "start": {
              "local": "2043-12-29T23:40:46+08:00",
              "utc": "2043-12-29T15:40:46Z",
              "ms": 2335016445672.9126
            },
            "end": {
              "local": "2043-12-30T00:28:46+08:00",
              "utc": "2043-12-29T16:28:46Z",
              "ms": 2335019325672.9126
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2043-12-30",
          "window": {
            "start": {
              "local": "2043-12-30T23:41:14+08:00",
              "utc": "2043-12-30T15:41:14Z",
              "ms": 2335102874470.842
            },
            "end": {
              "local": "2043-12-31T00:29:14+08:00",
              "utc": "2043-12-30T16:29:14Z",
              "ms": 2335105754470.842
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:01 on Tue 29 Dec to 15:30 on Wed 30 Dec.",
          "fact": "2043-12-29T05:01:23Z → 2043-12-30T07:30:27Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 29th, 23:41–00:29 on the 30th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29447 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2043: Tuesday 29 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2043-12-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2043-12-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2043 falls on Tuesday 29 December. Caturdaśī runs from 13:01 on Tue 29 Dec to 15:30 on Wed 30 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2043/shivaratri?on=2043-12-29",
      "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"
  }
}
