{
  "id": "/fuzhou/festivals/2050",
  "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": 2050,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/fuzhou/festivals/2050/ekadashi?on=2050-01-03",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10712,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-01-03T03:27:48+08:00",
          "utc": "2050-01-02T19:27:48Z",
          "ms": 2524764468298.3135
        },
        "end": {
          "local": "2050-01-04T03:52:27+08:00",
          "utc": "2050-01-03T19:52:27Z",
          "ms": 2524852346998.914
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-03T03:27:48+08:00",
          "utc": "2050-01-02T19:27:48Z",
          "ms": 2524764468298.3135
        },
        "end": {
          "local": "2050-01-04T03:52:27+08:00",
          "utc": "2050-01-03T19:52:27Z",
          "ms": 2524852346998.914
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-01-03",
          "window": {
            "start": {
              "local": "2050-01-03T06:50:45+08:00",
              "utc": "2050-01-02T22:50:45Z",
              "ms": 2524776645429.47
            },
            "end": {
              "local": "2050-01-03T06:50:45+08:00",
              "utc": "2050-01-02T22:50:45Z",
              "ms": 2524776645429.47
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-01-04",
          "window": {
            "start": {
              "local": "2050-01-04T06:50:59+08:00",
              "utc": "2050-01-03T22:50:59Z",
              "ms": 2524863058827.1445
            },
            "end": {
              "local": "2050-01-04T06:50:59+08:00",
              "utc": "2050-01-03T22:50:59Z",
              "ms": 2524863058827.1445
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:28 on Mon 3 Jan to 03:52 on Tue 4 Jan.",
          "fact": "2050-01-02T19:27:48Z → 2050-01-03T19:52:27Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:51 on the 3rd and 06:51 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 10712 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 2050: Monday 3 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": "2050-01-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 2050 falls on Monday 3 January. Ekādaśī runs from 03:28 on Mon 3 Jan to 03:52 on Tue 4 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-01-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-01-05",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34416,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-01-05T04:45:36+08:00",
          "utc": "2050-01-04T20:45:36Z",
          "ms": 2524941936169.398
        },
        "end": {
          "local": "2050-01-06T06:03:22+08:00",
          "utc": "2050-01-05T22:03:22Z",
          "ms": 2525033001792.486
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-05T04:45:36+08:00",
          "utc": "2050-01-04T20:45:36Z",
          "ms": 2524941936169.398
        },
        "end": {
          "local": "2050-01-06T06:03:22+08:00",
          "utc": "2050-01-05T22:03:22Z",
          "ms": 2525033001792.486
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-01-04",
          "window": {
            "start": {
              "local": "2050-01-04T17:24:26+08:00",
              "utc": "2050-01-04T09:24:26Z",
              "ms": 2524901066359.409
            },
            "end": {
              "local": "2050-01-04T19:12:00+08:00",
              "utc": "2050-01-04T11:12:00Z",
              "ms": 2524907520283.6016
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "2050-01-05",
          "window": {
            "start": {
              "local": "2050-01-05T17:25:09+08:00",
              "utc": "2050-01-05T09:25:09Z",
              "ms": 2524987508594.503
            },
            "end": {
              "local": "2050-01-05T19:12:38+08:00",
              "utc": "2050-01-05T11:12:38Z",
              "ms": 2524993958289.5967
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:46 on Wed 5 Jan to 06:03 on Thu 6 Jan.",
          "fact": "2050-01-04T20:45:36Z → 2050-01-05T22:03:22Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:24–19:12 on the 4th, 17:25–19:13 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 108 minutes on the 4th and 107 of 107 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 34416 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Wednesday 5 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": "2050-01-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Wednesday 5 January. Trayodaśī runs from 04:46 on Wed 5 Jan to 06:03 on Thu 6 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-01-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-01-11",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6717,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-01-11T16:48:06+08:00",
          "utc": "2050-01-11T08:48:06Z",
          "ms": 2525503686453.511
        },
        "end": {
          "local": "2050-01-12T19:22:02+08:00",
          "utc": "2050-01-12T11:22:02Z",
          "ms": 2525599322352.777
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-11T16:48:06+08:00",
          "utc": "2050-01-11T08:48:06Z",
          "ms": 2525503686453.511
        },
        "end": {
          "local": "2050-01-12T19:22:02+08:00",
          "utc": "2050-01-12T11:22:02Z",
          "ms": 2525599322352.777
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-01-11",
          "window": {
            "start": {
              "local": "2050-01-11T20:23:37+08:00",
              "utc": "2050-01-11T12:23:37Z",
              "ms": 2525516616566.361
            },
            "end": {
              "local": "2050-01-11T20:23:37+08:00",
              "utc": "2050-01-11T12:23:37Z",
              "ms": 2525516616566.361
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-01-12",
          "window": {
            "start": {
              "local": "2050-01-12T21:13:59+08:00",
              "utc": "2050-01-12T13:13:59Z",
              "ms": 2525606038998.6157
            },
            "end": {
              "local": "2050-01-12T21:13:59+08:00",
              "utc": "2050-01-12T13:13:59Z",
              "ms": 2525606038998.6157
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:48 on Tue 11 Jan to 19:22 on Wed 12 Jan.",
          "fact": "2050-01-11T08:48:06Z → 2050-01-12T11:22:02Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:24 on the 11th and 21:14 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 11th and is not on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6717 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Tuesday 11 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Tuesday 11 January. Caturthī runs from 16:48 on Tue 11 Jan to 19:22 on Wed 12 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-01-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13837,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        },
        "end": {
          "local": "2050-02-13T10:22:39+08:00",
          "utc": "2050-02-13T02:22:39Z",
          "ms": 2528331759322.9546
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        },
        "end": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2050-01-14",
          "window": {
            "start": {
              "local": "2050-01-13T17:31:03+08:00",
              "utc": "2050-01-13T09:31:03Z",
              "ms": 2525679063062.7847
            },
            "end": {
              "local": "2050-01-14T17:31:49+08:00",
              "utc": "2050-01-14T09:31:49Z",
              "ms": 2525765508902.627
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2050-01-15",
          "window": {
            "start": {
              "local": "2050-01-14T17:31:49+08:00",
              "utc": "2050-01-14T09:31:49Z",
              "ms": 2525765508902.627
            },
            "end": {
              "local": "2050-01-15T17:32:35+08:00",
              "utc": "2050-01-15T09:32:35Z",
              "ms": 2525851954964.5645
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2050-01-15",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 21:22 on Fri 14 Jan.",
          "fact": "2050-01-14T13:22:25Z · 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 17:33.",
          "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 13837 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Saturday 15 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Fuzhou, 2050: Friday 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": "2050-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2050-01-13",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2050-01-13",
          "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 2050 falls on Friday 14 January. It is kept the day before Pongal, which falls on Saturday 15 January. The Sun enters Makara at 21:22 on Fri 14 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 midnight, or counted from sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9455,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        },
        "end": {
          "local": "2050-02-13T10:22:39+08:00",
          "utc": "2050-02-13T02:22:39Z",
          "ms": 2528331759322.9546
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        },
        "end": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2050-01-14",
          "window": {
            "start": {
              "local": "2050-01-14T00:00:00+08:00",
              "utc": "2050-01-13T16:00:00Z",
              "ms": 2525702400000
            },
            "end": {
              "local": "2050-01-15T00:00:00+08:00",
              "utc": "2050-01-14T16:00:00Z",
              "ms": 2525788800000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2050-01-15",
          "window": {
            "start": {
              "local": "2050-01-15T00:00:00+08:00",
              "utc": "2050-01-14T16:00:00Z",
              "ms": 2525788800000
            },
            "end": {
              "local": "2050-01-16T00:00:00+08:00",
              "utc": "2050-01-15T16:00:00Z",
              "ms": 2525875200000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 21:22 on Fri 14 Jan.",
          "fact": "2050-01-14T13:22:25Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Fuzhou.",
          "fact": "civil-day: midnight-to-midnight · Asia/Shanghai"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from midnight → only-day · margin 9455 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Fuzhou, 2050: Friday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "makara-sankranti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "midnight"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2050-01-14",
          "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": "2050-01-15",
          "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 2050 falls on Friday 14 January. The Sun enters Makara at 21:22 on Fri 14 Jan, and the rule counts the day from midnight. 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 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13837,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        },
        "end": {
          "local": "2050-02-13T10:22:39+08:00",
          "utc": "2050-02-13T02:22:39Z",
          "ms": 2528331759322.9546
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        },
        "end": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2050-01-14",
          "window": {
            "start": {
              "local": "2050-01-13T17:31:03+08:00",
              "utc": "2050-01-13T09:31:03Z",
              "ms": 2525679063062.7847
            },
            "end": {
              "local": "2050-01-14T17:31:49+08:00",
              "utc": "2050-01-14T09:31:49Z",
              "ms": 2525765508902.627
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2050-01-15",
          "window": {
            "start": {
              "local": "2050-01-14T17:31:49+08:00",
              "utc": "2050-01-14T09:31:49Z",
              "ms": 2525765508902.627
            },
            "end": {
              "local": "2050-01-15T17:32:35+08:00",
              "utc": "2050-01-15T09:32:35Z",
              "ms": 2525851954964.5645
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 21:22 on Fri 14 Jan.",
          "fact": "2050-01-14T13:22:25Z · 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 17:33.",
          "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 13837 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Fuzhou, 2050: Saturday 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": "2050-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2050-01-14",
          "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": "2050-01-14",
          "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 2050 falls on Saturday 15 January. The Sun enters Makara at 21:22 on Fri 14 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 midnight, or counted from sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13837,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        },
        "end": {
          "local": "2050-02-13T10:22:39+08:00",
          "utc": "2050-02-13T02:22:39Z",
          "ms": 2528331759322.9546
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        },
        "end": {
          "local": "2050-01-14T21:22:25+08:00",
          "utc": "2050-01-14T13:22:25Z",
          "ms": 2525779345449.3496
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2050-01-14",
          "window": {
            "start": {
              "local": "2050-01-13T17:31:03+08:00",
              "utc": "2050-01-13T09:31:03Z",
              "ms": 2525679063062.7847
            },
            "end": {
              "local": "2050-01-14T17:31:49+08:00",
              "utc": "2050-01-14T09:31:49Z",
              "ms": 2525765508902.627
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2050-01-15",
          "window": {
            "start": {
              "local": "2050-01-14T17:31:49+08:00",
              "utc": "2050-01-14T09:31:49Z",
              "ms": 2525765508902.627
            },
            "end": {
              "local": "2050-01-15T17:32:35+08:00",
              "utc": "2050-01-15T09:32:35Z",
              "ms": 2525851954964.5645
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2050-01-15",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 21:22 on Fri 14 Jan.",
          "fact": "2050-01-14T13:22:25Z · 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 17:33.",
          "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 13837 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Saturday 15 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Fuzhou, 2050: Sunday 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": "2050-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2050-01-15",
          "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": "2050-01-15",
          "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 2050 falls on Sunday 16 January. It is kept the day after Pongal, which falls on Saturday 15 January. The Sun enters Makara at 21:22 on Fri 14 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 midnight, or counted from sunrise, as in Orissa, it is 15 January.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-01-19",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15862,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-01-19T02:27:01+08:00",
          "utc": "2050-01-18T18:27:01Z",
          "ms": 2526143221268.044
        },
        "end": {
          "local": "2050-01-20T01:02:47+08:00",
          "utc": "2050-01-19T17:02:47Z",
          "ms": 2526224567184.2085
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-19T02:27:01+08:00",
          "utc": "2050-01-18T18:27:01Z",
          "ms": 2526143221268.044
        },
        "end": {
          "local": "2050-01-20T01:02:47+08:00",
          "utc": "2050-01-19T17:02:47Z",
          "ms": 2526224567184.2085
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-01-19",
          "window": {
            "start": {
              "local": "2050-01-19T06:51:23+08:00",
              "utc": "2050-01-18T22:51:23Z",
              "ms": 2526159083123.203
            },
            "end": {
              "local": "2050-01-19T06:51:23+08:00",
              "utc": "2050-01-18T22:51:23Z",
              "ms": 2526159083123.203
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-01-20",
          "window": {
            "start": {
              "local": "2050-01-20T06:51:13+08:00",
              "utc": "2050-01-19T22:51:13Z",
              "ms": 2526245472812.689
            },
            "end": {
              "local": "2050-01-20T06:51:13+08:00",
              "utc": "2050-01-19T22:51:13Z",
              "ms": 2526245472812.689
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:27 on Wed 19 Jan to 01:03 on Thu 20 Jan.",
          "fact": "2050-01-18T18:27:01Z → 2050-01-19T17:02:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:51 on the 19th and 06:51 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 15862 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 2050: Wednesday 19 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 2050 falls on Wednesday 19 January. Ekādaśī runs from 02:27 on Wed 19 Jan to 01:03 on Thu 20 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-01-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-01-21",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2263,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-01-20T22:51:44+08:00",
          "utc": "2050-01-20T14:51:44Z",
          "ms": 2526303104307.819
        },
        "end": {
          "local": "2050-01-21T20:00:45+08:00",
          "utc": "2050-01-21T12:00:45Z",
          "ms": 2526379245061.274
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-20T22:51:44+08:00",
          "utc": "2050-01-20T14:51:44Z",
          "ms": 2526303104307.819
        },
        "end": {
          "local": "2050-01-21T20:00:45+08:00",
          "utc": "2050-01-21T12:00:45Z",
          "ms": 2526379245061.274
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-01-20",
          "window": {
            "start": {
              "local": "2050-01-20T17:36:27+08:00",
              "utc": "2050-01-20T09:36:27Z",
              "ms": 2526284187386.679
            },
            "end": {
              "local": "2050-01-20T19:22:24+08:00",
              "utc": "2050-01-20T11:22:24Z",
              "ms": 2526290543871.0283
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2050-01-21",
          "window": {
            "start": {
              "local": "2050-01-21T17:37:14+08:00",
              "utc": "2050-01-21T09:37:14Z",
              "ms": 2526370634047.9053
            },
            "end": {
              "local": "2050-01-21T19:23:03+08:00",
              "utc": "2050-01-21T11:23:03Z",
              "ms": 2526376982541.1455
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:52 on Thu 20 Jan to 20:01 on Fri 21 Jan.",
          "fact": "2050-01-20T14:51:44Z → 2050-01-21T12:00:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:22 on the 20th, 17:37–19:23 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 20th and 106 of 106 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2263 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Friday 21 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": "2050-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Friday 21 January. Trayodaśī runs from 22:52 on Thu 20 Jan to 20:01 on Fri 21 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-01-21",
      "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/2050/shivaratri?on=2050-01-21",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13756,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-01-21T20:00:45+08:00",
          "utc": "2050-01-21T12:00:45Z",
          "ms": 2526379245061.274
        },
        "end": {
          "local": "2050-01-22T16:38:59+08:00",
          "utc": "2050-01-22T08:38:59Z",
          "ms": 2526453538667.1616
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-21T20:00:45+08:00",
          "utc": "2050-01-21T12:00:45Z",
          "ms": 2526379245061.274
        },
        "end": {
          "local": "2050-01-22T16:38:59+08:00",
          "utc": "2050-01-22T08:38:59Z",
          "ms": 2526453538667.1616
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-01-21",
          "window": {
            "start": {
              "local": "2050-01-21T23:50:01+08:00",
              "utc": "2050-01-21T15:50:01Z",
              "ms": 2526393000897.5566
            },
            "end": {
              "local": "2050-01-22T00:38:01+08:00",
              "utc": "2050-01-21T16:38:01Z",
              "ms": 2526395880897.5566
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-01-22",
          "window": {
            "start": {
              "local": "2050-01-22T23:50:17+08:00",
              "utc": "2050-01-22T15:50:17Z",
              "ms": 2526479416842.5713
            },
            "end": {
              "local": "2050-01-23T00:38:17+08:00",
              "utc": "2050-01-22T16:38:17Z",
              "ms": 2526482296842.5713
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 20:01 on Fri 21 Jan to 16:39 on Sat 22 Jan.",
          "fact": "2050-01-21T12:00:45Z → 2050-01-22T08:38:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 21st, 23:50–00:38 on the 22nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13756 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Friday 21 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Friday 21 January. Caturdaśī runs from 20:01 on Fri 21 Jan to 16:39 on Sat 22 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-01-21",
      "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/2050/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32654,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-01-21T20:00:45+08:00",
          "utc": "2050-01-21T12:00:45Z",
          "ms": 2526379245061.274
        },
        "end": {
          "local": "2050-01-22T16:38:59+08:00",
          "utc": "2050-01-22T08:38:59Z",
          "ms": 2526453538667.1616
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-21T20:00:45+08:00",
          "utc": "2050-01-21T12:00:45Z",
          "ms": 2526379245061.274
        },
        "end": {
          "local": "2050-01-22T16:38:59+08:00",
          "utc": "2050-01-22T08:38:59Z",
          "ms": 2526453538667.1616
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2050-01-22",
          "window": {
            "start": {
              "local": "2050-01-22T05:04:59+08:00",
              "utc": "2050-01-21T21:04:59Z",
              "ms": 2526411899253.9683
            },
            "end": {
              "local": "2050-01-22T06:50:48+08:00",
              "utc": "2050-01-21T22:50:48Z",
              "ms": 2526418247747.2085
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "2050-01-23",
          "window": {
            "start": {
              "local": "2050-01-23T05:04:53+08:00",
              "utc": "2050-01-22T21:04:53Z",
              "ms": 2526498292691.7944
            },
            "end": {
              "local": "2050-01-23T06:50:33+08:00",
              "utc": "2050-01-22T22:50:33Z",
              "ms": 2526504633000.6025
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 20:01 on Fri 21 Jan to 16:39 on Sat 22 Jan.",
          "fact": "2050-01-21T12:00:45Z → 2050-01-22T08:38:59Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:51 on the 22nd, 05:05–06:51 on the 23rd.",
          "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 106 of 106 minutes on the 22nd and 0 of 106 on the 23rd.",
          "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 32654 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Fuzhou, 2050: Saturday 22 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Tarpaṇa 2050 falls on Saturday 22 January. Caturdaśī runs from 20:01 on Fri 21 Jan to 16:39 on Sat 22 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35874,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-01-26T01:45:30+08:00",
          "utc": "2050-01-25T17:45:30Z",
          "ms": 2526745529885.944
        },
        "end": {
          "local": "2050-01-26T22:37:17+08:00",
          "utc": "2050-01-26T14:37:17Z",
          "ms": 2526820636725.9766
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-26T01:45:30+08:00",
          "utc": "2050-01-25T17:45:30Z",
          "ms": 2526745529885.944
        },
        "end": {
          "local": "2050-01-26T22:37:17+08:00",
          "utc": "2050-01-26T14:37:17Z",
          "ms": 2526820636725.9766
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-01-25",
          "window": {
            "start": {
              "local": "2050-01-25T11:51:10+08:00",
              "utc": "2050-01-25T03:51:10Z",
              "ms": 2526695469596.4585
            },
            "end": {
              "local": "2050-01-25T12:39:10+08:00",
              "utc": "2050-01-25T04:39:10Z",
              "ms": 2526698349596.4585
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-01-26",
          "window": {
            "start": {
              "local": "2050-01-26T11:51:23+08:00",
              "utc": "2050-01-26T03:51:23Z",
              "ms": 2526781883120.855
            },
            "end": {
              "local": "2050-01-26T12:39:23+08:00",
              "utc": "2050-01-26T04:39:23Z",
              "ms": 2526784763120.855
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:45 on Wed 26 Jan to 22:37 on Wed 26 Jan.",
          "fact": "2050-01-25T17:45:30Z → 2050-01-26T14:37:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 25th, 11:51–12:39 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 35874 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Fuzhou, 2050: Wednesday 26 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2050 falls on Wednesday 26 January. Caturthī runs from 01:45 on Wed 26 Jan to 22:37 on Wed 26 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11465,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-01-26T01:45:30+08:00",
          "utc": "2050-01-25T17:45:30Z",
          "ms": 2526745529885.944
        },
        "end": {
          "local": "2050-01-26T22:37:17+08:00",
          "utc": "2050-01-26T14:37:17Z",
          "ms": 2526820636725.9766
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-26T01:45:30+08:00",
          "utc": "2050-01-25T17:45:30Z",
          "ms": 2526745529885.944
        },
        "end": {
          "local": "2050-01-26T22:37:17+08:00",
          "utc": "2050-01-26T14:37:17Z",
          "ms": 2526820636725.9766
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-01-25",
          "window": {
            "start": {
              "local": "2050-01-25T17:40:20+08:00",
              "utc": "2050-01-25T09:40:20Z",
              "ms": 2526716420090.735
            },
            "end": {
              "local": "2050-01-25T19:25:35+08:00",
              "utc": "2050-01-25T11:25:35Z",
              "ms": 2526722734740.253
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2050-01-26",
          "window": {
            "start": {
              "local": "2050-01-26T17:41:06+08:00",
              "utc": "2050-01-26T09:41:06Z",
              "ms": 2526802866279.5903
            },
            "end": {
              "local": "2050-01-26T19:26:12+08:00",
              "utc": "2050-01-26T11:26:12Z",
              "ms": 2526809172025.2876
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:45 on Wed 26 Jan to 22:37 on Wed 26 Jan.",
          "fact": "2050-01-25T17:45:30Z → 2050-01-26T14:37:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:26 on the 25th, 17:41–19:26 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during pradoṣa. It covers 0 of 105 minutes on the 25th and 105 of 105 on the 26th.",
          "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 11465 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Fuzhou, 2050: Wednesday 26 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Tila Caturthī 2050 falls on Wednesday 26 January. Caturthī runs from 01:45 on Wed 26 Jan to 22:37 on Wed 26 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26624,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2050-01-26T22:37:17+08:00",
          "utc": "2050-01-26T14:37:17Z",
          "ms": 2526820636725.9766
        },
        "end": {
          "local": "2050-01-27T20:03:19+08:00",
          "utc": "2050-01-27T12:03:19Z",
          "ms": 2526897799342.4253
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-26T22:37:17+08:00",
          "utc": "2050-01-26T14:37:17Z",
          "ms": 2526820636725.9766
        },
        "end": {
          "local": "2050-01-27T20:03:19+08:00",
          "utc": "2050-01-27T12:03:19Z",
          "ms": 2526897799342.4253
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-01-26",
          "window": {
            "start": {
              "local": "2050-01-26T11:51:23+08:00",
              "utc": "2050-01-26T03:51:23Z",
              "ms": 2526781883120.855
            },
            "end": {
              "local": "2050-01-26T12:39:23+08:00",
              "utc": "2050-01-26T04:39:23Z",
              "ms": 2526784763120.855
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-01-27",
          "window": {
            "start": {
              "local": "2050-01-27T11:51:36+08:00",
              "utc": "2050-01-27T03:51:36Z",
              "ms": 2526868295825.1245
            },
            "end": {
              "local": "2050-01-27T12:39:36+08:00",
              "utc": "2050-01-27T04:39:36Z",
              "ms": 2526871175825.1245
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 22:37 on Wed 26 Jan to 20:03 on Thu 27 Jan.",
          "fact": "2050-01-26T14:37:17Z → 2050-01-27T12:03:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 26th, 11:52–12:40 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 26624 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Fuzhou, 2050: Thursday 27 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Pañcamī 2050 falls on Thursday 27 January. Pañcamī runs from 22:37 on Wed 26 Jan to 20:03 on Thu 27 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26624,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2050-01-26T22:37:17+08:00",
          "utc": "2050-01-26T14:37:17Z",
          "ms": 2526820636725.9766
        },
        "end": {
          "local": "2050-01-27T20:03:19+08:00",
          "utc": "2050-01-27T12:03:19Z",
          "ms": 2526897799342.4253
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-26T22:37:17+08:00",
          "utc": "2050-01-26T14:37:17Z",
          "ms": 2526820636725.9766
        },
        "end": {
          "local": "2050-01-27T20:03:19+08:00",
          "utc": "2050-01-27T12:03:19Z",
          "ms": 2526897799342.4253
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-01-26",
          "window": {
            "start": {
              "local": "2050-01-26T11:51:23+08:00",
              "utc": "2050-01-26T03:51:23Z",
              "ms": 2526781883120.855
            },
            "end": {
              "local": "2050-01-26T12:39:23+08:00",
              "utc": "2050-01-26T04:39:23Z",
              "ms": 2526784763120.855
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-01-27",
          "window": {
            "start": {
              "local": "2050-01-27T11:51:36+08:00",
              "utc": "2050-01-27T03:51:36Z",
              "ms": 2526868295825.1245
            },
            "end": {
              "local": "2050-01-27T12:39:36+08:00",
              "utc": "2050-01-27T04:39:36Z",
              "ms": 2526871175825.1245
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 22:37 on Wed 26 Jan to 20:03 on Thu 27 Jan.",
          "fact": "2050-01-26T14:37:17Z → 2050-01-27T12:03:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 26th, 11:52–12:40 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26624 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Fuzhou, 2050: Thursday 27 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasanta Pañcamī 2050 falls on Thursday 27 January. Pañcamī runs from 22:37 on Wed 26 Jan to 20:03 on Thu 27 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-01-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36917,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2050-01-28T18:10:45+08:00",
          "utc": "2050-01-28T10:10:45Z",
          "ms": 2526977444740.0024
        },
        "end": {
          "local": "2050-01-29T17:03:51+08:00",
          "utc": "2050-01-29T09:03:51Z",
          "ms": 2527059831287.3027
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-01-28T18:10:45+08:00",
          "utc": "2050-01-28T10:10:45Z",
          "ms": 2526977444740.0024
        },
        "end": {
          "local": "2050-01-29T17:03:51+08:00",
          "utc": "2050-01-29T09:03:51Z",
          "ms": 2527059831287.3027
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2050-01-28",
          "window": {
            "start": {
              "local": "2050-01-28T05:04:01+08:00",
              "utc": "2050-01-27T21:04:01Z",
              "ms": 2526930240668.3076
            },
            "end": {
              "local": "2050-01-28T06:48:57+08:00",
              "utc": "2050-01-27T22:48:57Z",
              "ms": 2526936537343.7505
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2050-01-29",
          "window": {
            "start": {
              "local": "2050-01-29T05:03:46+08:00",
              "utc": "2050-01-28T21:03:46Z",
              "ms": 2527016626445.631
            },
            "end": {
              "local": "2050-01-29T06:48:34+08:00",
              "utc": "2050-01-28T22:48:34Z",
              "ms": 2527022913889.6943
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 18:11 on Fri 28 Jan to 17:04 on Sat 29 Jan.",
          "fact": "2050-01-28T10:10:45Z → 2050-01-29T09:03:51Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:04–06:49 on the 28th, 05:04–06:49 on the 29th.",
          "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 105 minutes on the 28th and 105 of 105 on the 29th.",
          "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 36917 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Fuzhou, 2050: Saturday 29 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-01-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-01-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ratha Saptamī 2050 falls on Saturday 29 January. Saptamī runs from 18:11 on Fri 28 Jan to 17:04 on Sat 29 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-02-02",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39716,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-02-01T18:10:16+08:00",
          "utc": "2050-02-01T10:10:16Z",
          "ms": 2527323015973.734
        },
        "end": {
          "local": "2050-02-02T19:44:20+08:00",
          "utc": "2050-02-02T11:44:20Z",
          "ms": 2527415059672.4287
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-01T18:10:16+08:00",
          "utc": "2050-02-01T10:10:16Z",
          "ms": 2527323015973.734
        },
        "end": {
          "local": "2050-02-02T19:44:20+08:00",
          "utc": "2050-02-02T11:44:20Z",
          "ms": 2527415059672.4287
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-02-02",
          "window": {
            "start": {
              "local": "2050-02-02T06:46:46+08:00",
              "utc": "2050-02-01T22:46:46Z",
              "ms": 2527368406150.143
            },
            "end": {
              "local": "2050-02-02T06:46:46+08:00",
              "utc": "2050-02-01T22:46:46Z",
              "ms": 2527368406150.143
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-02-03",
          "window": {
            "start": {
              "local": "2050-02-03T06:46:16+08:00",
              "utc": "2050-02-02T22:46:16Z",
              "ms": 2527454775829.929
            },
            "end": {
              "local": "2050-02-03T06:46:16+08:00",
              "utc": "2050-02-02T22:46:16Z",
              "ms": 2527454775829.929
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:10 on Tue 1 Feb to 19:44 on Wed 2 Feb.",
          "fact": "2050-02-01T10:10:16Z → 2050-02-02T11:44:20Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:47 on the 2nd and 06:46 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 39716 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Fuzhou, 2050: Wednesday 2 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": "2050-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jayā Ekādaśī 2050 falls on Wednesday 2 February. Ekādaśī runs from 18:10 on Tue 1 Feb to 19:44 on Wed 2 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-02-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25425,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2050-02-02T19:44:20+08:00",
          "utc": "2050-02-02T11:44:20Z",
          "ms": 2527415059672.4287
        },
        "end": {
          "local": "2050-02-03T21:41:47+08:00",
          "utc": "2050-02-03T13:41:47Z",
          "ms": 2527508507207.0703
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-02T19:44:20+08:00",
          "utc": "2050-02-02T11:44:20Z",
          "ms": 2527415059672.4287
        },
        "end": {
          "local": "2050-02-03T21:41:47+08:00",
          "utc": "2050-02-03T13:41:47Z",
          "ms": 2527508507207.0703
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-02-02",
          "window": {
            "start": {
              "local": "2050-02-02T11:52:35+08:00",
              "utc": "2050-02-02T03:52:35Z",
              "ms": 2527386754549.45
            },
            "end": {
              "local": "2050-02-02T12:40:35+08:00",
              "utc": "2050-02-02T04:40:35Z",
              "ms": 2527389634549.45
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-02-03",
          "window": {
            "start": {
              "local": "2050-02-03T11:52:41+08:00",
              "utc": "2050-02-03T03:52:41Z",
              "ms": 2527473161415.204
            },
            "end": {
              "local": "2050-02-03T12:40:41+08:00",
              "utc": "2050-02-03T04:40:41Z",
              "ms": 2527476041415.204
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 19:44 on Wed 2 Feb to 21:42 on Thu 3 Feb.",
          "fact": "2050-02-02T11:44:20Z → 2050-02-03T13:41:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 2nd, 11:53–12:41 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 25425 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Fuzhou, 2050: Thursday 3 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": "2050-02-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhīṣma Dvādaśī 2050 falls on Thursday 3 February. Dvādaśī runs from 19:44 on Wed 2 Feb to 21:42 on Thu 3 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/pradosha-vrata?on=2050-02-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7851,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-02-03T21:41:47+08:00",
          "utc": "2050-02-03T13:41:47Z",
          "ms": 2527508507207.0703
        },
        "end": {
          "local": "2050-02-04T23:55:17+08:00",
          "utc": "2050-02-04T15:55:17Z",
          "ms": 2527602916703.931
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-03T21:41:47+08:00",
          "utc": "2050-02-03T13:41:47Z",
          "ms": 2527508507207.0703
        },
        "end": {
          "local": "2050-02-04T23:55:17+08:00",
          "utc": "2050-02-04T15:55:17Z",
          "ms": 2527602916703.931
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-02-03",
          "window": {
            "start": {
              "local": "2050-02-03T17:47:07+08:00",
              "utc": "2050-02-03T09:47:07Z",
              "ms": 2527494427000.4795
            },
            "end": {
              "local": "2050-02-03T19:30:56+08:00",
              "utc": "2050-02-03T11:30:56Z",
              "ms": 2527500655960.1094
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2050-02-04",
          "window": {
            "start": {
              "local": "2050-02-04T17:47:51+08:00",
              "utc": "2050-02-04T09:47:51Z",
              "ms": 2527580870711.059
            },
            "end": {
              "local": "2050-02-04T19:31:29+08:00",
              "utc": "2050-02-04T11:31:29Z",
              "ms": 2527587089453.0625
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:42 on Thu 3 Feb to 23:55 on Fri 4 Feb.",
          "fact": "2050-02-03T13:41:47Z → 2050-02-04T15:55:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:31 on the 3rd, 17:48–19:31 on the 4th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 3rd and 104 of 104 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7851 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Friday 4 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-02-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Friday 4 February. Trayodaśī runs from 21:42 on Thu 3 Feb to 23:55 on Fri 4 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-02-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25526,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-02-06T02:18:46+08:00",
          "utc": "2050-02-05T18:18:46Z",
          "ms": 2527697925547.852
        },
        "end": {
          "local": "2050-02-07T04:47:34+08:00",
          "utc": "2050-02-06T20:47:34Z",
          "ms": 2527793254437.932
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-06T02:18:46+08:00",
          "utc": "2050-02-05T18:18:46Z",
          "ms": 2527697925547.852
        },
        "end": {
          "local": "2050-02-07T04:47:34+08:00",
          "utc": "2050-02-06T20:47:34Z",
          "ms": 2527793254437.932
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-02-06",
          "window": {
            "start": {
              "local": "2050-02-06T11:52:57+08:00",
              "utc": "2050-02-06T03:52:57Z",
              "ms": 2527732377077.995
            },
            "end": {
              "local": "2050-02-06T12:40:57+08:00",
              "utc": "2050-02-06T04:40:57Z",
              "ms": 2527735257077.995
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-02-07",
          "window": {
            "start": {
              "local": "2050-02-07T11:53:01+08:00",
              "utc": "2050-02-07T03:53:01Z",
              "ms": 2527818780677.551
            },
            "end": {
              "local": "2050-02-07T12:41:01+08:00",
              "utc": "2050-02-07T04:41:01Z",
              "ms": 2527821660677.551
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 02:19 on Sun 6 Feb to 04:48 on Mon 7 Feb.",
          "fact": "2050-02-05T18:18:46Z → 2050-02-06T20:47:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 6th, 11:53–12:41 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25526 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Fuzhou, 2050: Sunday 6 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maghi-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Maghi purnima (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-02-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Māghī Pūrṇimā 2050 falls on Sunday 6 February. Pūrṇimā runs from 02:19 on Sun 6 Feb to 04:48 on Mon 7 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-02-10",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26784,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-02-10T12:07:36+08:00",
          "utc": "2050-02-10T04:07:36Z",
          "ms": 2528078856483.41
        },
        "end": {
          "local": "2050-02-11T14:16:15+08:00",
          "utc": "2050-02-11T06:16:15Z",
          "ms": 2528172975073.537
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-10T12:07:36+08:00",
          "utc": "2050-02-10T04:07:36Z",
          "ms": 2528078856483.41
        },
        "end": {
          "local": "2050-02-11T14:16:15+08:00",
          "utc": "2050-02-11T06:16:15Z",
          "ms": 2528172975073.537
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-02-10",
          "window": {
            "start": {
              "local": "2050-02-10T20:50:54+08:00",
              "utc": "2050-02-10T12:50:54Z",
              "ms": 2528110254459.338
            },
            "end": {
              "local": "2050-02-10T20:50:54+08:00",
              "utc": "2050-02-10T12:50:54Z",
              "ms": 2528110254459.338
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-02-11",
          "window": {
            "start": {
              "local": "2050-02-11T21:42:39+08:00",
              "utc": "2050-02-11T13:42:39Z",
              "ms": 2528199758786.318
            },
            "end": {
              "local": "2050-02-11T21:42:39+08:00",
              "utc": "2050-02-11T13:42:39Z",
              "ms": 2528199758786.318
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:08 on Thu 10 Feb to 14:16 on Fri 11 Feb.",
          "fact": "2050-02-10T04:07:36Z → 2050-02-11T06:16:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:51 on the 10th and 21:43 on the 11th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26784 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Thursday 10 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": "2050-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Thursday 10 February. Caturthī runs from 12:08 on Thu 10 Feb to 14:16 on Fri 11 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-02-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ekadashi?on=2050-02-18",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23974,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-02-17T15:37:35+08:00",
          "utc": "2050-02-17T07:37:35Z",
          "ms": 2528696254932.717
        },
        "end": {
          "local": "2050-02-18T13:15:52+08:00",
          "utc": "2050-02-18T05:15:52Z",
          "ms": 2528774151661.4297
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-17T15:37:35+08:00",
          "utc": "2050-02-17T07:37:35Z",
          "ms": 2528696254932.717
        },
        "end": {
          "local": "2050-02-18T13:15:52+08:00",
          "utc": "2050-02-18T05:15:52Z",
          "ms": 2528774151661.4297
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-02-17",
          "window": {
            "start": {
              "local": "2050-02-17T06:37:05+08:00",
              "utc": "2050-02-16T22:37:05Z",
              "ms": 2528663824658.399
            },
            "end": {
              "local": "2050-02-17T06:37:05+08:00",
              "utc": "2050-02-16T22:37:05Z",
              "ms": 2528663824658.399
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-02-18",
          "window": {
            "start": {
              "local": "2050-02-18T06:36:17+08:00",
              "utc": "2050-02-17T22:36:17Z",
              "ms": 2528750177265.8623
            },
            "end": {
              "local": "2050-02-18T06:36:17+08:00",
              "utc": "2050-02-17T22:36:17Z",
              "ms": 2528750177265.8623
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:38 on Thu 17 Feb to 13:16 on Fri 18 Feb.",
          "fact": "2050-02-17T07:37:35Z → 2050-02-18T05:15:52Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:37 on the 17th and 06:36 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 23974 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Fuzhou, 2050: Friday 18 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": "2050-02-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Ekādaśī 2050 falls on Friday 18 February. Ekādaśī runs from 15:38 on Thu 17 Feb to 13:16 on Fri 18 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-02-18",
      "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/2050/pradosha-vrata?on=2050-02-19",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27718,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-02-19T10:16:03+08:00",
          "utc": "2050-02-19T02:16:03Z",
          "ms": 2528849762747.4272
        },
        "end": {
          "local": "2050-02-20T06:46:56+08:00",
          "utc": "2050-02-19T22:46:56Z",
          "ms": 2528923616246.9565
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-19T10:16:03+08:00",
          "utc": "2050-02-19T02:16:03Z",
          "ms": 2528849762747.4272
        },
        "end": {
          "local": "2050-02-20T06:46:56+08:00",
          "utc": "2050-02-19T22:46:56Z",
          "ms": 2528923616246.9565
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-02-19",
          "window": {
            "start": {
              "local": "2050-02-19T17:58:01+08:00",
              "utc": "2050-02-19T09:58:01Z",
              "ms": 2528877480890.8267
            },
            "end": {
              "local": "2050-02-19T19:38:54+08:00",
              "utc": "2050-02-19T11:38:54Z",
              "ms": 2528883534067.0005
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "2050-02-20",
          "window": {
            "start": {
              "local": "2050-02-20T17:58:38+08:00",
              "utc": "2050-02-20T09:58:38Z",
              "ms": 2528963918385.862
            },
            "end": {
              "local": "2050-02-20T19:39:20+08:00",
              "utc": "2050-02-20T11:39:20Z",
              "ms": 2528969959880.849
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:16 on Sat 19 Feb to 06:47 on Sun 20 Feb.",
          "fact": "2050-02-19T02:16:03Z → 2050-02-19T22:46:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:39 on the 19th, 17:59–19:39 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 19th and 0 of 101 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27718 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Saturday 19 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-02-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Saturday 19 February. Trayodaśī runs from 10:16 on Sat 19 Feb to 06:47 on Sun 20 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-02-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8325,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-02-20T06:46:56+08:00",
          "utc": "2050-02-19T22:46:56Z",
          "ms": 2528923616246.9565
        },
        "end": {
          "local": "2050-02-21T02:58:59+08:00",
          "utc": "2050-02-20T18:58:59Z",
          "ms": 2528996338729.398
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-20T06:46:56+08:00",
          "utc": "2050-02-19T22:46:56Z",
          "ms": 2528923616246.9565
        },
        "end": {
          "local": "2050-02-21T02:58:59+08:00",
          "utc": "2050-02-20T18:58:59Z",
          "ms": 2528996338729.398
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-02-19",
          "window": {
            "start": {
              "local": "2050-02-19T23:52:20+08:00",
              "utc": "2050-02-19T15:52:20Z",
              "ms": 2528898740301.4785
            },
            "end": {
              "local": "2050-02-20T00:40:20+08:00",
              "utc": "2050-02-19T16:40:20Z",
              "ms": 2528901620301.4785
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-02-20",
          "window": {
            "start": {
              "local": "2050-02-20T23:52:14+08:00",
              "utc": "2050-02-20T15:52:14Z",
              "ms": 2528985133992.064
            },
            "end": {
              "local": "2050-02-21T00:40:14+08:00",
              "utc": "2050-02-20T16:40:14Z",
              "ms": 2528988013992.064
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:47 on Sun 20 Feb to 02:59 on Mon 21 Feb.",
          "fact": "2050-02-19T22:46:56Z → 2050-02-20T18:58:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:52–00:40 on the 19th, 23:52–00:40 on the 20th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 8325 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Fuzhou, 2050: Sunday 20 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maha-shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day"
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "disputed",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-02-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāśivarātri 2050 falls on Sunday 20 February. Caturdaśī runs from 06:47 on Sun 20 Feb to 02:59 on Mon 21 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vinayaka-chaturthi?on=2050-02-24",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-02-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 588,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-02-24T12:30:21+08:00",
          "utc": "2050-02-24T04:30:21Z",
          "ms": 2529289820744.244
        },
        "end": {
          "local": "2050-02-25T09:59:58+08:00",
          "utc": "2050-02-25T01:59:58Z",
          "ms": 2529367197819.4434
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-02-24T12:30:21+08:00",
          "utc": "2050-02-24T04:30:21Z",
          "ms": 2529289820744.244
        },
        "end": {
          "local": "2050-02-25T09:59:58+08:00",
          "utc": "2050-02-25T01:59:58Z",
          "ms": 2529367197819.4434
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-02-24",
          "window": {
            "start": {
              "local": "2050-02-24T11:52:09+08:00",
              "utc": "2050-02-24T03:52:09Z",
              "ms": 2529287529197.2646
            },
            "end": {
              "local": "2050-02-24T12:40:09+08:00",
              "utc": "2050-02-24T04:40:09Z",
              "ms": 2529290409197.2646
            }
          },
          "covered_min": 10,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-02-25",
          "window": {
            "start": {
              "local": "2050-02-25T11:52:00+08:00",
              "utc": "2050-02-25T03:52:00Z",
              "ms": 2529373920192.502
            },
            "end": {
              "local": "2050-02-25T12:40:00+08:00",
              "utc": "2050-02-25T04:40:00Z",
              "ms": 2529376800192.502
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:30 on Thu 24 Feb to 10:00 on Fri 25 Feb.",
          "fact": "2050-02-24T04:30:21Z → 2050-02-25T01:59:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 24th, 11:52–12:40 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 10 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 588 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Thursday 24 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-02-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-02-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Thursday 24 February. Caturthī runs from 12:30 on Thu 24 Feb to 10:00 on Fri 25 Feb and covers 10 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-02-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ekadashi?on=2050-03-04",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17602,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-03-03T11:18:07+08:00",
          "utc": "2050-03-03T03:18:07Z",
          "ms": 2529890287296.938
        },
        "end": {
          "local": "2050-03-04T13:35:58+08:00",
          "utc": "2050-03-04T05:35:58Z",
          "ms": 2529984957658.7524
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-03T11:18:07+08:00",
          "utc": "2050-03-03T03:18:07Z",
          "ms": 2529890287296.938
        },
        "end": {
          "local": "2050-03-04T13:35:58+08:00",
          "utc": "2050-03-04T05:35:58Z",
          "ms": 2529984957658.7524
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-03-03",
          "window": {
            "start": {
              "local": "2050-03-03T06:24:45+08:00",
              "utc": "2050-03-02T22:24:45Z",
              "ms": 2529872684990.1646
            },
            "end": {
              "local": "2050-03-03T06:24:45+08:00",
              "utc": "2050-03-02T22:24:45Z",
              "ms": 2529872684990.1646
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-03-04",
          "window": {
            "start": {
              "local": "2050-03-04T06:23:47+08:00",
              "utc": "2050-03-03T22:23:47Z",
              "ms": 2529959026750.2114
            },
            "end": {
              "local": "2050-03-04T06:23:47+08:00",
              "utc": "2050-03-03T22:23:47Z",
              "ms": 2529959026750.2114
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:18 on Thu 3 Mar to 13:36 on Fri 4 Mar.",
          "fact": "2050-03-03T03:18:07Z → 2050-03-04T05:35:58Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:25 on the 3rd and 06:24 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 17602 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Fuzhou, 2050: Friday 4 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Āmalakī Ekādaśī 2050 falls on Friday 4 March. Ekādaśī runs from 11:18 on Thu 3 Mar to 13:36 on Fri 4 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-03-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-03-05",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1788,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-03-05T16:04:56+08:00",
          "utc": "2050-03-05T08:04:56Z",
          "ms": 2530080296042.683
        },
        "end": {
          "local": "2050-03-06T18:36:29+08:00",
          "utc": "2050-03-06T10:36:29Z",
          "ms": 2530175788737.2417
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-05T16:04:56+08:00",
          "utc": "2050-03-05T08:04:56Z",
          "ms": 2530080296042.683
        },
        "end": {
          "local": "2050-03-06T18:36:29+08:00",
          "utc": "2050-03-06T10:36:29Z",
          "ms": 2530175788737.2417
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-03-05",
          "window": {
            "start": {
              "local": "2050-03-05T18:06:09+08:00",
              "utc": "2050-03-05T10:06:09Z",
              "ms": 2530087568650.935
            },
            "end": {
              "local": "2050-03-05T19:44:14+08:00",
              "utc": "2050-03-05T11:44:14Z",
              "ms": 2530093453974.2495
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2050-03-06",
          "window": {
            "start": {
              "local": "2050-03-06T18:06:41+08:00",
              "utc": "2050-03-06T10:06:41Z",
              "ms": 2530174000637.5444
            },
            "end": {
              "local": "2050-03-06T19:44:34+08:00",
              "utc": "2050-03-06T11:44:34Z",
              "ms": 2530179873712.6562
            }
          },
          "covered_min": 30,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:05 on Sat 5 Mar to 18:36 on Sun 6 Mar.",
          "fact": "2050-03-05T08:04:56Z → 2050-03-06T10:36:29Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:44 on the 5th, 18:07–19:45 on the 6th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 5th and 30 of 98 on the 6th.",
          "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 1788 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Saturday 5 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": "2050-03-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Saturday 5 March. Trayodaśī runs from 16:05 on Sat 5 Mar to 18:36 on Sun 6 Mar and covers all of pradoṣa that evening. It also reaches the next evening for 30 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/2050/pradosha-vrata?on=2050-03-05",
      "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/2050/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10616,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-03-07T21:04:08+08:00",
          "utc": "2050-03-07T13:04:08Z",
          "ms": 2530271048400.3696
        },
        "end": {
          "local": "2050-03-08T23:23:20+08:00",
          "utc": "2050-03-08T15:23:20Z",
          "ms": 2530365800215.4067
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-07T21:04:08+08:00",
          "utc": "2050-03-07T13:04:08Z",
          "ms": 2530271048400.3696
        },
        "end": {
          "local": "2050-03-08T23:23:20+08:00",
          "utc": "2050-03-08T15:23:20Z",
          "ms": 2530365800215.4067
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2050-03-07",
          "window": {
            "start": {
              "local": "2050-03-07T15:45:56+08:00",
              "utc": "2050-03-07T07:45:56Z",
              "ms": 2530251955581.0293
            },
            "end": {
              "local": "2050-03-07T18:07:12+08:00",
              "utc": "2050-03-07T10:07:12Z",
              "ms": 2530260432301.0654
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        },
        {
          "local_date": "2050-03-08",
          "window": {
            "start": {
              "local": "2050-03-08T15:46:09+08:00",
              "utc": "2050-03-08T07:46:09Z",
              "ms": 2530338368593.7715
            },
            "end": {
              "local": "2050-03-08T18:07:44+08:00",
              "utc": "2050-03-08T10:07:44Z",
              "ms": 2530346863657.2876
            }
          },
          "covered_min": 142,
          "window_min": 142,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 21:04 on Mon 7 Mar to 23:23 on Tue 8 Mar.",
          "fact": "2050-03-07T13:04:08Z → 2050-03-08T15:23:20Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:07 on the 7th, 15:46–18:08 on the 8th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 7th and 142 of 142 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10616 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Fuzhou, 2050: Tuesday 8 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": "2050-03-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Holikā Dahana 2050 falls on Tuesday 8 March. Pūrṇimā runs from 21:04 on Mon 7 Mar to 23:23 on Tue 8 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10616,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-03-07T21:04:08+08:00",
          "utc": "2050-03-07T13:04:08Z",
          "ms": 2530271048400.3696
        },
        "end": {
          "local": "2050-03-08T23:23:20+08:00",
          "utc": "2050-03-08T15:23:20Z",
          "ms": 2530365800215.4067
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-07T21:04:08+08:00",
          "utc": "2050-03-07T13:04:08Z",
          "ms": 2530271048400.3696
        },
        "end": {
          "local": "2050-03-08T23:23:20+08:00",
          "utc": "2050-03-08T15:23:20Z",
          "ms": 2530365800215.4067
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2050-03-07",
          "window": {
            "start": {
              "local": "2050-03-07T15:45:56+08:00",
              "utc": "2050-03-07T07:45:56Z",
              "ms": 2530251955581.0293
            },
            "end": {
              "local": "2050-03-07T18:07:12+08:00",
              "utc": "2050-03-07T10:07:12Z",
              "ms": 2530260432301.0654
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        },
        {
          "local_date": "2050-03-08",
          "window": {
            "start": {
              "local": "2050-03-08T15:46:09+08:00",
              "utc": "2050-03-08T07:46:09Z",
              "ms": 2530338368593.7715
            },
            "end": {
              "local": "2050-03-08T18:07:44+08:00",
              "utc": "2050-03-08T10:07:44Z",
              "ms": 2530346863657.2876
            }
          },
          "covered_min": 142,
          "window_min": 142,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2050-03-08",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 21:04 on Mon 7 Mar to 23:23 on Tue 8 Mar.",
          "fact": "2050-03-07T13:04:08Z → 2050-03-08T15:23:20Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:07 on the 7th, 15:46–18:08 on the 8th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 7th and 142 of 142 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10616 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Tuesday 8 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Fuzhou, 2050: Wednesday 9 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": "2050-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Holī 2050 falls on Wednesday 9 March. It is kept the day after Holikā Dahana, which falls on Tuesday 8 March. Pūrṇimā runs from 21:04 on Mon 7 Mar to 23:23 on Tue 8 Mar and covers all of sāyāhna on the 8th.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17227,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2050-03-08T23:23:20+08:00",
          "utc": "2050-03-08T15:23:20Z",
          "ms": 2530365800215.4067
        },
        "end": {
          "local": "2050-03-10T01:30:40+08:00",
          "utc": "2050-03-09T17:30:40Z",
          "ms": 2530459839668.16
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-08T23:23:20+08:00",
          "utc": "2050-03-08T15:23:20Z",
          "ms": 2530365800215.4067
        },
        "end": {
          "local": "2050-03-10T01:30:40+08:00",
          "utc": "2050-03-09T17:30:40Z",
          "ms": 2530459839668.16
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-03-09",
          "window": {
            "start": {
              "local": "2050-03-09T06:18:48+08:00",
              "utc": "2050-03-08T22:18:48Z",
              "ms": 2530390727522.738
            },
            "end": {
              "local": "2050-03-09T06:18:48+08:00",
              "utc": "2050-03-08T22:18:48Z",
              "ms": 2530390727522.738
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-03-10",
          "window": {
            "start": {
              "local": "2050-03-10T06:17:46+08:00",
              "utc": "2050-03-09T22:17:46Z",
              "ms": 2530477066280.069
            },
            "end": {
              "local": "2050-03-10T06:17:46+08:00",
              "utc": "2050-03-09T22:17:46Z",
              "ms": 2530477066280.069
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 23:23 on Tue 8 Mar to 01:31 on Thu 10 Mar.",
          "fact": "2050-03-08T15:23:20Z → 2050-03-09T17:30:40Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:19 on the 9th and 06:18 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 9th and is not on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17227 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Fuzhou, 2050: Wednesday 9 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasantotsava",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "sunrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vasantotsava 2050 falls on Wednesday 9 March. Pratipadā runs from 23:23 on Tue 8 Mar to 01:31 on Thu 10 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-03-12",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30319,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-03-12T04:56:53+08:00",
          "utc": "2050-03-11T20:56:53Z",
          "ms": 2530645012626.5815
        },
        "end": {
          "local": "2050-03-13T06:07:58+08:00",
          "utc": "2050-03-12T22:07:58Z",
          "ms": 2530735677630.8037
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-12T04:56:53+08:00",
          "utc": "2050-03-11T20:56:53Z",
          "ms": 2530645012626.5815
        },
        "end": {
          "local": "2050-03-13T06:07:58+08:00",
          "utc": "2050-03-12T22:07:58Z",
          "ms": 2530735677630.8037
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-03-11",
          "window": {
            "start": {
              "local": "2050-03-11T20:31:33+08:00",
              "utc": "2050-03-11T12:31:33Z",
              "ms": 2530614693337.4326
            },
            "end": {
              "local": "2050-03-11T20:31:33+08:00",
              "utc": "2050-03-11T12:31:33Z",
              "ms": 2530614693337.4326
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-03-12",
          "window": {
            "start": {
              "local": "2050-03-12T21:25:45+08:00",
              "utc": "2050-03-12T13:25:45Z",
              "ms": 2530704345085.7036
            },
            "end": {
              "local": "2050-03-12T21:25:45+08:00",
              "utc": "2050-03-12T13:25:45Z",
              "ms": 2530704345085.7036
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:57 on Sat 12 Mar to 06:08 on Sun 13 Mar.",
          "fact": "2050-03-11T20:56:53Z → 2050-03-12T22:07:58Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:32 on the 11th and 21:26 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30319 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Saturday 12 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": "2050-03-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Saturday 12 March. Caturthī runs from 04:57 on Sat 12 Mar to 06:08 on Sun 13 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-03-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18710,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-03-16T06:35:48+08:00",
          "utc": "2050-03-15T22:35:48Z",
          "ms": 2530996548242.536
        },
        "end": {
          "local": "2050-03-17T05:30:25+08:00",
          "utc": "2050-03-16T21:30:25Z",
          "ms": 2531079025070.8237
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-16T06:35:48+08:00",
          "utc": "2050-03-15T22:35:48Z",
          "ms": 2530996548242.536
        },
        "end": {
          "local": "2050-03-17T05:30:25+08:00",
          "utc": "2050-03-16T21:30:25Z",
          "ms": 2531079025070.8237
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-03-16",
          "window": {
            "start": {
              "local": "2050-03-16T11:47:38+08:00",
              "utc": "2050-03-16T03:47:38Z",
              "ms": 2531015258446.1064
            },
            "end": {
              "local": "2050-03-16T12:35:38+08:00",
              "utc": "2050-03-16T04:35:38Z",
              "ms": 2531018138446.1064
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-03-17",
          "window": {
            "start": {
              "local": "2050-03-17T11:47:21+08:00",
              "utc": "2050-03-17T03:47:21Z",
              "ms": 2531101641403.0513
            },
            "end": {
              "local": "2050-03-17T12:35:21+08:00",
              "utc": "2050-03-17T04:35:21Z",
              "ms": 2531104521403.0513
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 06:36 on Wed 16 Mar to 05:30 on Thu 17 Mar.",
          "fact": "2050-03-15T22:35:48Z → 2050-03-16T21:30:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 16th, 11:47–12:35 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 18710 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Fuzhou, 2050: Wednesday 16 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitalashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Sitalastami, (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śītalāṣṭamī 2050 falls on Wednesday 16 March. Aṣṭamī runs from 06:36 on Wed 16 Mar to 05:30 on Thu 17 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-03-19",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17007,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-03-19T01:24:54+08:00",
          "utc": "2050-03-18T17:24:54Z",
          "ms": 2531237093969.6636
        },
        "end": {
          "local": "2050-03-19T22:32:45+08:00",
          "utc": "2050-03-19T14:32:45Z",
          "ms": 2531313164908.142
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-19T01:24:54+08:00",
          "utc": "2050-03-18T17:24:54Z",
          "ms": 2531237093969.6636
        },
        "end": {
          "local": "2050-03-19T22:32:45+08:00",
          "utc": "2050-03-19T14:32:45Z",
          "ms": 2531313164908.142
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-03-19",
          "window": {
            "start": {
              "local": "2050-03-19T06:08:21+08:00",
              "utc": "2050-03-18T22:08:21Z",
              "ms": 2531254100886.107
            },
            "end": {
              "local": "2050-03-19T06:08:21+08:00",
              "utc": "2050-03-18T22:08:21Z",
              "ms": 2531254100886.107
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-03-20",
          "window": {
            "start": {
              "local": "2050-03-20T06:07:17+08:00",
              "utc": "2050-03-19T22:07:17Z",
              "ms": 2531340437020.3833
            },
            "end": {
              "local": "2050-03-20T06:07:17+08:00",
              "utc": "2050-03-19T22:07:17Z",
              "ms": 2531340437020.3833
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:25 on Sat 19 Mar to 22:33 on Sat 19 Mar.",
          "fact": "2050-03-18T17:24:54Z → 2050-03-19T14:32:45Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:08 on the 19th and 06:07 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 17007 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Fuzhou, 2050: Saturday 19 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāpamocanī Ekādaśī 2050 falls on Saturday 19 March. Ekādaśī runs from 01:25 on Sat 19 Mar to 22:33 on Sat 19 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-03-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-03-20",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1913,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-03-20T19:16:49+08:00",
          "utc": "2050-03-20T11:16:49Z",
          "ms": 2531387808522.231
        },
        "end": {
          "local": "2050-03-21T15:46:04+08:00",
          "utc": "2050-03-21T07:46:04Z",
          "ms": 2531461564280.341
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-20T19:16:49+08:00",
          "utc": "2050-03-20T11:16:49Z",
          "ms": 2531387808522.231
        },
        "end": {
          "local": "2050-03-21T15:46:04+08:00",
          "utc": "2050-03-21T07:46:04Z",
          "ms": 2531461564280.341
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-03-20",
          "window": {
            "start": {
              "local": "2050-03-20T18:13:42+08:00",
              "utc": "2050-03-20T10:13:42Z",
              "ms": 2531384021626.4565
            },
            "end": {
              "local": "2050-03-20T19:48:42+08:00",
              "utc": "2050-03-20T11:48:42Z",
              "ms": 2531389721815.699
            }
          },
          "covered_min": 32,
          "window_min": 95,
          "qualifies": true
        },
        {
          "local_date": "2050-03-21",
          "window": {
            "start": {
              "local": "2050-03-21T18:14:10+08:00",
              "utc": "2050-03-21T10:14:10Z",
              "ms": 2531470450371.6772
            },
            "end": {
              "local": "2050-03-21T19:48:58+08:00",
              "utc": "2050-03-21T11:48:58Z",
              "ms": 2531476138186.9785
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:17 on Sun 20 Mar to 15:46 on Mon 21 Mar.",
          "fact": "2050-03-20T11:16:49Z → 2050-03-21T07:46:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:49 on the 20th, 18:14–19:49 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 32 of 95 minutes on the 20th and 0 of 95 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1913 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Sunday 20 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": "2050-03-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Sunday 20 March. Trayodaśī runs from 19:17 on Sun 20 Mar to 15:46 on Mon 21 Mar and covers 32 of 95 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-03-20",
      "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/2050/shivaratri?on=2050-03-21",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28775,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-03-21T15:46:04+08:00",
          "utc": "2050-03-21T07:46:04Z",
          "ms": 2531461564280.341
        },
        "end": {
          "local": "2050-03-22T12:10:36+08:00",
          "utc": "2050-03-22T04:10:36Z",
          "ms": 2531535035766.1587
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-21T15:46:04+08:00",
          "utc": "2050-03-21T07:46:04Z",
          "ms": 2531461564280.341
        },
        "end": {
          "local": "2050-03-22T12:10:36+08:00",
          "utc": "2050-03-22T04:10:36Z",
          "ms": 2531535035766.1587
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-03-21",
          "window": {
            "start": {
              "local": "2050-03-21T23:45:40+08:00",
              "utc": "2050-03-21T15:45:40Z",
              "ms": 2531490339679.056
            },
            "end": {
              "local": "2050-03-22T00:33:40+08:00",
              "utc": "2050-03-21T16:33:40Z",
              "ms": 2531493219679.056
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-03-22",
          "window": {
            "start": {
              "local": "2050-03-22T23:45:22+08:00",
              "utc": "2050-03-22T15:45:22Z",
              "ms": 2531576721934.3
            },
            "end": {
              "local": "2050-03-23T00:33:22+08:00",
              "utc": "2050-03-22T16:33:22Z",
              "ms": 2531579601934.3
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:46 on Mon 21 Mar to 12:11 on Tue 22 Mar.",
          "fact": "2050-03-21T07:46:04Z → 2050-03-22T04:10:36Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 21st, 23:45–00:33 on the 22nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28775 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Monday 21 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Monday 21 March. Caturdaśī runs from 15:46 on Mon 21 Mar to 12:11 on Tue 22 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-03-21",
      "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/2050/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11076,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2050-03-23T08:41:00+08:00",
          "utc": "2050-03-23T00:41:00Z",
          "ms": 2531608860351.865
        },
        "end": {
          "local": "2050-03-24T05:28:00+08:00",
          "utc": "2050-03-23T21:28:00Z",
          "ms": 2531683679803.0864
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-23T08:41:00+08:00",
          "utc": "2050-03-23T00:41:00Z",
          "ms": 2531608860351.865
        },
        "end": {
          "local": "2050-03-24T05:28:00+08:00",
          "utc": "2050-03-23T21:28:00Z",
          "ms": 2531683679803.0864
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-03-23",
          "window": {
            "start": {
              "local": "2050-03-23T11:45:36+08:00",
              "utc": "2050-03-23T03:45:36Z",
              "ms": 2531619936197.0576
            },
            "end": {
              "local": "2050-03-23T12:33:36+08:00",
              "utc": "2050-03-23T04:33:36Z",
              "ms": 2531622816197.0576
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-03-24",
          "window": {
            "start": {
              "local": "2050-03-24T11:45:18+08:00",
              "utc": "2050-03-24T03:45:18Z",
              "ms": 2531706318330.756
            },
            "end": {
              "local": "2050-03-24T12:33:18+08:00",
              "utc": "2050-03-24T04:33:18Z",
              "ms": 2531709198330.756
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 08:41 on Wed 23 Mar to 05:28 on Thu 24 Mar.",
          "fact": "2050-03-23T00:41:00Z → 2050-03-23T21:28:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 23rd, 11:45–12:33 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā 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 11076 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Fuzhou, 2050: Wednesday 23 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha-caitra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 2050 falls on Wednesday 23 March. Pratipadā runs from 08:41 on Wed 23 Mar to 05:28 on Thu 24 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32592,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2050-03-25T02:41:49+08:00",
          "utc": "2050-03-24T18:41:49Z",
          "ms": 2531760108805.771
        },
        "end": {
          "local": "2050-03-26T00:31:38+08:00",
          "utc": "2050-03-25T16:31:38Z",
          "ms": 2531838697904.89
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-25T02:41:49+08:00",
          "utc": "2050-03-24T18:41:49Z",
          "ms": 2531760108805.771
        },
        "end": {
          "local": "2050-03-26T00:31:38+08:00",
          "utc": "2050-03-25T16:31:38Z",
          "ms": 2531838697904.89
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-03-25",
          "window": {
            "start": {
              "local": "2050-03-25T11:45:00+08:00",
              "utc": "2050-03-25T03:45:00Z",
              "ms": 2531792700411.138
            },
            "end": {
              "local": "2050-03-25T12:33:00+08:00",
              "utc": "2050-03-25T04:33:00Z",
              "ms": 2531795580411.138
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-03-26",
          "window": {
            "start": {
              "local": "2050-03-26T11:44:42+08:00",
              "utc": "2050-03-26T03:44:42Z",
              "ms": 2531879082454.0254
            },
            "end": {
              "local": "2050-03-26T12:32:42+08:00",
              "utc": "2050-03-26T04:32:42Z",
              "ms": 2531881962454.0254
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 02:42 on Fri 25 Mar to 00:32 on Sat 26 Mar.",
          "fact": "2050-03-24T18:41:49Z → 2050-03-25T16:31:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:45–12:33 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32592 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Fuzhou, 2050: Friday 25 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gauri-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 2050 falls on Friday 25 March. Tṛtīyā runs from 02:42 on Fri 25 Mar to 00:32 on Sat 26 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32592,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2050-03-25T02:41:49+08:00",
          "utc": "2050-03-24T18:41:49Z",
          "ms": 2531760108805.771
        },
        "end": {
          "local": "2050-03-26T00:31:38+08:00",
          "utc": "2050-03-25T16:31:38Z",
          "ms": 2531838697904.89
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-25T02:41:49+08:00",
          "utc": "2050-03-24T18:41:49Z",
          "ms": 2531760108805.771
        },
        "end": {
          "local": "2050-03-26T00:31:38+08:00",
          "utc": "2050-03-25T16:31:38Z",
          "ms": 2531838697904.89
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-03-25",
          "window": {
            "start": {
              "local": "2050-03-25T11:45:00+08:00",
              "utc": "2050-03-25T03:45:00Z",
              "ms": 2531792700411.138
            },
            "end": {
              "local": "2050-03-25T12:33:00+08:00",
              "utc": "2050-03-25T04:33:00Z",
              "ms": 2531795580411.138
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-03-26",
          "window": {
            "start": {
              "local": "2050-03-26T11:44:42+08:00",
              "utc": "2050-03-26T03:44:42Z",
              "ms": 2531879082454.0254
            },
            "end": {
              "local": "2050-03-26T12:32:42+08:00",
              "utc": "2050-03-26T04:32:42Z",
              "ms": 2531881962454.0254
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 02:42 on Fri 25 Mar to 00:32 on Sat 26 Mar.",
          "fact": "2050-03-24T18:41:49Z → 2050-03-25T16:31:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:45–12:33 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 32592 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Fuzhou, 2050: Friday 25 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "saubhagya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saubhāgya Śayana Vrata 2050 falls on Friday 25 March. Tṛtīyā runs from 02:42 on Fri 25 Mar to 00:32 on Sat 26 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vinayaka-chaturthi?on=2050-03-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37926,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-03-26T00:31:38+08:00",
          "utc": "2050-03-25T16:31:38Z",
          "ms": 2531838697904.89
        },
        "end": {
          "local": "2050-03-26T23:04:49+08:00",
          "utc": "2050-03-26T15:04:49Z",
          "ms": 2531919888749.714
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-26T00:31:38+08:00",
          "utc": "2050-03-25T16:31:38Z",
          "ms": 2531838697904.89
        },
        "end": {
          "local": "2050-03-26T23:04:49+08:00",
          "utc": "2050-03-26T15:04:49Z",
          "ms": 2531919888749.714
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-03-25",
          "window": {
            "start": {
              "local": "2050-03-25T11:45:00+08:00",
              "utc": "2050-03-25T03:45:00Z",
              "ms": 2531792700411.138
            },
            "end": {
              "local": "2050-03-25T12:33:00+08:00",
              "utc": "2050-03-25T04:33:00Z",
              "ms": 2531795580411.138
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-03-26",
          "window": {
            "start": {
              "local": "2050-03-26T11:44:42+08:00",
              "utc": "2050-03-26T03:44:42Z",
              "ms": 2531879082454.0254
            },
            "end": {
              "local": "2050-03-26T12:32:42+08:00",
              "utc": "2050-03-26T04:32:42Z",
              "ms": 2531881962454.0254
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:32 on Sat 26 Mar to 23:05 on Sat 26 Mar.",
          "fact": "2050-03-25T16:31:38Z → 2050-03-26T15:04:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:45–12:33 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37926 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Saturday 26 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": "2050-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Saturday 26 March. Caturthī runs from 00:32 on Sat 26 Mar to 23:05 on Sat 26 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-03-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35619,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2050-03-26T23:04:49+08:00",
          "utc": "2050-03-26T15:04:49Z",
          "ms": 2531919888749.714
        },
        "end": {
          "local": "2050-03-27T22:26:03+08:00",
          "utc": "2050-03-27T14:26:03Z",
          "ms": 2532003963285.374
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-26T23:04:49+08:00",
          "utc": "2050-03-26T15:04:49Z",
          "ms": 2531919888749.714
        },
        "end": {
          "local": "2050-03-27T22:26:03+08:00",
          "utc": "2050-03-27T14:26:03Z",
          "ms": 2532003963285.374
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-03-26",
          "window": {
            "start": {
              "local": "2050-03-26T11:44:42+08:00",
              "utc": "2050-03-26T03:44:42Z",
              "ms": 2531879082454.0254
            },
            "end": {
              "local": "2050-03-26T12:32:42+08:00",
              "utc": "2050-03-26T04:32:42Z",
              "ms": 2531881962454.0254
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-03-27",
          "window": {
            "start": {
              "local": "2050-03-27T11:44:24+08:00",
              "utc": "2050-03-27T03:44:24Z",
              "ms": 2531965464476.0376
            },
            "end": {
              "local": "2050-03-27T12:32:24+08:00",
              "utc": "2050-03-27T04:32:24Z",
              "ms": 2531968344476.0376
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 23:05 on Sat 26 Mar to 22:26 on Sun 27 Mar.",
          "fact": "2050-03-26T15:04:49Z → 2050-03-27T14:26:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:44–12:32 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 35619 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Fuzhou, 2050: Sunday 27 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "lakshmi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pañcamī 2050 falls on Sunday 27 March. Pañcamī runs from 23:05 on Sat 26 Mar to 22:26 on Sun 27 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37982,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-03-29T23:33:34+08:00",
          "utc": "2050-03-29T15:33:34Z",
          "ms": 2532180813901.9536
        },
        "end": {
          "local": "2050-03-31T01:10:11+08:00",
          "utc": "2050-03-30T17:10:11Z",
          "ms": 2532273011047.9023
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-29T23:33:34+08:00",
          "utc": "2050-03-29T15:33:34Z",
          "ms": 2532180813901.9536
        },
        "end": {
          "local": "2050-03-31T01:10:11+08:00",
          "utc": "2050-03-30T17:10:11Z",
          "ms": 2532273011047.9023
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-03-30",
          "window": {
            "start": {
              "local": "2050-03-30T11:43:31+08:00",
              "utc": "2050-03-30T03:43:31Z",
              "ms": 2532224610595.7617
            },
            "end": {
              "local": "2050-03-30T12:31:31+08:00",
              "utc": "2050-03-30T04:31:31Z",
              "ms": 2532227490595.7617
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-03-31",
          "window": {
            "start": {
              "local": "2050-03-31T11:43:13+08:00",
              "utc": "2050-03-31T03:43:13Z",
              "ms": 2532310992716.7246
            },
            "end": {
              "local": "2050-03-31T12:31:13+08:00",
              "utc": "2050-03-31T04:31:13Z",
              "ms": 2532313872716.7246
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 23:34 on Tue 29 Mar to 01:10 on Thu 31 Mar.",
          "fact": "2050-03-29T15:33:34Z → 2050-03-30T17:10:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:43–12:31 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37982 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Fuzhou, 2050: Wednesday 30 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bhavānī Utpatti 2050 falls on Wednesday 30 March. Aṣṭamī runs from 23:34 on Tue 29 Mar to 01:10 on Thu 31 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-03-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30394,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2050-03-31T01:10:11+08:00",
          "utc": "2050-03-30T17:10:11Z",
          "ms": 2532273011047.9023
        },
        "end": {
          "local": "2050-04-01T03:16:21+08:00",
          "utc": "2050-03-31T19:16:21Z",
          "ms": 2532366980533.3267
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-03-31T01:10:11+08:00",
          "utc": "2050-03-30T17:10:11Z",
          "ms": 2532273011047.9023
        },
        "end": {
          "local": "2050-04-01T03:16:21+08:00",
          "utc": "2050-03-31T19:16:21Z",
          "ms": 2532366980533.3267
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-03-31",
          "window": {
            "start": {
              "local": "2050-03-31T11:43:13+08:00",
              "utc": "2050-03-31T03:43:13Z",
              "ms": 2532310992716.7246
            },
            "end": {
              "local": "2050-03-31T12:31:13+08:00",
              "utc": "2050-03-31T04:31:13Z",
              "ms": 2532313872716.7246
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-04-01",
          "window": {
            "start": {
              "local": "2050-04-01T11:42:55+08:00",
              "utc": "2050-04-01T03:42:55Z",
              "ms": 2532397374911.0605
            },
            "end": {
              "local": "2050-04-01T12:30:55+08:00",
              "utc": "2050-04-01T04:30:55Z",
              "ms": 2532400254911.0605
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 01:10 on Thu 31 Mar to 03:16 on Fri 1 Apr.",
          "fact": "2050-03-30T17:10:11Z → 2050-03-31T19:16:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 31st, 11:43–12:31 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30394 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Fuzhou, 2050: Thursday 31 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rama-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti."
          }
        ],
        "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-03-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-03-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāma Navamī 2050 falls on Thursday 31 March. Navamī runs from 01:10 on Thu 31 Mar to 03:16 on Fri 1 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-04-03",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 797,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-04-02T05:40:09+08:00",
          "utc": "2050-04-01T21:40:09Z",
          "ms": 2532462008569.2515
        },
        "end": {
          "local": "2050-04-03T08:09:39+08:00",
          "utc": "2050-04-03T00:09:39Z",
          "ms": 2532557378583.4272
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-02T05:40:09+08:00",
          "utc": "2050-04-01T21:40:09Z",
          "ms": 2532462008569.2515
        },
        "end": {
          "local": "2050-04-03T08:09:39+08:00",
          "utc": "2050-04-03T00:09:39Z",
          "ms": 2532557378583.4272
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-04-02",
          "window": {
            "start": {
              "local": "2050-04-02T05:53:25+08:00",
              "utc": "2050-04-01T21:53:25Z",
              "ms": 2532462805450.9556
            },
            "end": {
              "local": "2050-04-02T05:53:25+08:00",
              "utc": "2050-04-01T21:53:25Z",
              "ms": 2532462805450.9556
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-04-03",
          "window": {
            "start": {
              "local": "2050-04-03T05:52:22+08:00",
              "utc": "2050-04-02T21:52:22Z",
              "ms": 2532549142249.0107
            },
            "end": {
              "local": "2050-04-03T05:52:22+08:00",
              "utc": "2050-04-02T21:52:22Z",
              "ms": 2532549142249.0107
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:40 on Sat 2 Apr to 08:10 on Sun 3 Apr.",
          "fact": "2050-04-01T21:40:09Z → 2050-04-03T00:09:39Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:53 on the 2nd and 05:52 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is on the 3rd.",
          "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 797 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Fuzhou, 2050: Sunday 3 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmadā Ekādaśī 2050 falls on Sunday 3 April. Ekādaśī runs from 05:40 on Sat 2 Apr to 08:10 on Sun 3 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-04-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 996,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-04-04T10:34:24+08:00",
          "utc": "2050-04-04T02:34:24Z",
          "ms": 2532652463513.382
        },
        "end": {
          "local": "2050-04-05T12:46:21+08:00",
          "utc": "2050-04-05T04:46:21Z",
          "ms": 2532746780638.2183
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-04T10:34:24+08:00",
          "utc": "2050-04-04T02:34:24Z",
          "ms": 2532652463513.382
        },
        "end": {
          "local": "2050-04-05T12:46:21+08:00",
          "utc": "2050-04-05T04:46:21Z",
          "ms": 2532746780638.2183
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-04-04",
          "window": {
            "start": {
              "local": "2050-04-04T11:42:02+08:00",
              "utc": "2050-04-04T03:42:02Z",
              "ms": 2532656522137.811
            },
            "end": {
              "local": "2050-04-04T12:30:02+08:00",
              "utc": "2050-04-04T04:30:02Z",
              "ms": 2532659402137.811
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-04-05",
          "window": {
            "start": {
              "local": "2050-04-05T11:41:45+08:00",
              "utc": "2050-04-05T03:41:45Z",
              "ms": 2532742904830.2314
            },
            "end": {
              "local": "2050-04-05T12:29:45+08:00",
              "utc": "2050-04-05T04:29:45Z",
              "ms": 2532745784830.2314
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:34 on Mon 4 Apr to 12:46 on Tue 5 Apr.",
          "fact": "2050-04-04T02:34:24Z → 2050-04-05T04:46:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 4th, 11:42–12:30 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 996 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Fuzhou, 2050: Monday 4 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananga-trayodashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Anaṅga Trayodaśī 2050 falls on Monday 4 April. Trayodaśī runs from 10:34 on Mon 4 Apr to 12:46 on Tue 5 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/pradosha-vrata?on=2050-04-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20092,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-04-04T10:34:24+08:00",
          "utc": "2050-04-04T02:34:24Z",
          "ms": 2532652463513.382
        },
        "end": {
          "local": "2050-04-05T12:46:21+08:00",
          "utc": "2050-04-05T04:46:21Z",
          "ms": 2532746780638.2183
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-04T10:34:24+08:00",
          "utc": "2050-04-04T02:34:24Z",
          "ms": 2532652463513.382
        },
        "end": {
          "local": "2050-04-05T12:46:21+08:00",
          "utc": "2050-04-05T04:46:21Z",
          "ms": 2532746780638.2183
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-04-04",
          "window": {
            "start": {
              "local": "2050-04-04T18:20:45+08:00",
              "utc": "2050-04-04T10:20:45Z",
              "ms": 2532680444986.069
            },
            "end": {
              "local": "2050-04-04T19:52:41+08:00",
              "utc": "2050-04-04T11:52:41Z",
              "ms": 2532685961201.3315
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "2050-04-05",
          "window": {
            "start": {
              "local": "2050-04-05T18:21:13+08:00",
              "utc": "2050-04-05T10:21:13Z",
              "ms": 2532766873059.924
            },
            "end": {
              "local": "2050-04-05T19:52:57+08:00",
              "utc": "2050-04-05T11:52:57Z",
              "ms": 2532772377213.286
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:34 on Mon 4 Apr to 12:46 on Tue 5 Apr.",
          "fact": "2050-04-04T02:34:24Z → 2050-04-05T04:46:21Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–19:53 on the 4th, 18:21–19:53 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 4th and 0 of 92 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20092 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Monday 4 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Monday 4 April. Trayodaśī runs from 10:34 on Mon 4 Apr to 12:46 on Tue 5 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-04-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 996,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-04-05T12:46:21+08:00",
          "utc": "2050-04-05T04:46:21Z",
          "ms": 2532746780638.2183
        },
        "end": {
          "local": "2050-04-06T14:40:02+08:00",
          "utc": "2050-04-06T06:40:02Z",
          "ms": 2532840002294.109
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-05T12:46:21+08:00",
          "utc": "2050-04-05T04:46:21Z",
          "ms": 2532746780638.2183
        },
        "end": {
          "local": "2050-04-06T14:40:02+08:00",
          "utc": "2050-04-06T06:40:02Z",
          "ms": 2532840002294.109
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-04-05",
          "window": {
            "start": {
              "local": "2050-04-05T11:41:45+08:00",
              "utc": "2050-04-05T03:41:45Z",
              "ms": 2532742904830.2314
            },
            "end": {
              "local": "2050-04-05T12:29:45+08:00",
              "utc": "2050-04-05T04:29:45Z",
              "ms": 2532745784830.2314
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-04-06",
          "window": {
            "start": {
              "local": "2050-04-06T11:41:28+08:00",
              "utc": "2050-04-06T03:41:28Z",
              "ms": 2532829287699.298
            },
            "end": {
              "local": "2050-04-06T12:29:28+08:00",
              "utc": "2050-04-06T04:29:28Z",
              "ms": 2532832167699.298
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 12:46 on Tue 5 Apr to 14:40 on Wed 6 Apr.",
          "fact": "2050-04-05T04:46:21Z → 2050-04-06T06:40:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 5th, 11:41–12:29 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 996 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 2050: Wednesday 6 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": "2050-04-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 2050 falls on Wednesday 6 April. Caturdaśī runs from 12:46 on Tue 5 Apr to 14:40 on Wed 6 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7835,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-04-06T14:40:02+08:00",
          "utc": "2050-04-06T06:40:02Z",
          "ms": 2532840002294.109
        },
        "end": {
          "local": "2050-04-07T16:12:12+08:00",
          "utc": "2050-04-07T08:12:12Z",
          "ms": 2532931931947.4297
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-06T14:40:02+08:00",
          "utc": "2050-04-06T06:40:02Z",
          "ms": 2532840002294.109
        },
        "end": {
          "local": "2050-04-07T16:12:12+08:00",
          "utc": "2050-04-07T08:12:12Z",
          "ms": 2532931931947.4297
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-04-06",
          "window": {
            "start": {
              "local": "2050-04-06T11:41:28+08:00",
              "utc": "2050-04-06T03:41:28Z",
              "ms": 2532829287699.298
            },
            "end": {
              "local": "2050-04-06T12:29:28+08:00",
              "utc": "2050-04-06T04:29:28Z",
              "ms": 2532832167699.298
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-04-07",
          "window": {
            "start": {
              "local": "2050-04-07T11:41:11+08:00",
              "utc": "2050-04-07T03:41:11Z",
              "ms": 2532915670766.125
            },
            "end": {
              "local": "2050-04-07T12:29:11+08:00",
              "utc": "2050-04-07T04:29:11Z",
              "ms": 2532918550766.125
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:40 on Wed 6 Apr to 16:12 on Thu 7 Apr.",
          "fact": "2050-04-06T06:40:02Z → 2050-04-07T08:12:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 6th, 11:41–12:29 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7835 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Fuzhou, 2050: Thursday 7 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": "2050-04-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Caitrī Pūrṇimā 2050 falls on Thursday 7 April. Pūrṇimā runs from 14:40 on Wed 6 Apr to 16:12 on Thu 7 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-04-10",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10063,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-04-10T18:25:00+08:00",
          "utc": "2050-04-10T10:25:00Z",
          "ms": 2533199099760.7134
        },
        "end": {
          "local": "2050-04-11T18:18:32+08:00",
          "utc": "2050-04-11T10:18:32Z",
          "ms": 2533285112157.7803
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-10T18:25:00+08:00",
          "utc": "2050-04-10T10:25:00Z",
          "ms": 2533199099760.7134
        },
        "end": {
          "local": "2050-04-11T18:18:32+08:00",
          "utc": "2050-04-11T10:18:32Z",
          "ms": 2533285112157.7803
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-04-10",
          "window": {
            "start": {
              "local": "2050-04-10T21:12:43+08:00",
              "utc": "2050-04-10T13:12:43Z",
              "ms": 2533209162986.0215
            },
            "end": {
              "local": "2050-04-10T21:12:43+08:00",
              "utc": "2050-04-10T13:12:43Z",
              "ms": 2533209162986.0215
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-04-11",
          "window": {
            "start": {
              "local": "2050-04-11T22:09:09+08:00",
              "utc": "2050-04-11T14:09:09Z",
              "ms": 2533298948869.0435
            },
            "end": {
              "local": "2050-04-11T22:09:09+08:00",
              "utc": "2050-04-11T14:09:09Z",
              "ms": 2533298948869.0435
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:25 on Sun 10 Apr to 18:19 on Mon 11 Apr.",
          "fact": "2050-04-10T10:25:00Z → 2050-04-11T10:18:32Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:13 on the 10th and 22:09 on the 11th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10063 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Sunday 10 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Sunday 10 April. Caturthī runs from 18:25 on Sun 10 Apr to 18:19 on Mon 11 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-04-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36051,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2050-04-14T15:42:00+08:00",
          "utc": "2050-04-14T07:42:00Z",
          "ms": 2533534920224.6104
        },
        "end": {
          "local": "2050-05-15T12:29:56+08:00",
          "utc": "2050-05-15T04:29:56Z",
          "ms": 2536201796482.0425
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2050-04-14T15:42:00+08:00",
          "utc": "2050-04-14T07:42:00Z",
          "ms": 2533534920224.6104
        },
        "end": {
          "local": "2050-04-14T15:42:00+08:00",
          "utc": "2050-04-14T07:42:00Z",
          "ms": 2533534920224.6104
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2050-04-13",
          "window": {
            "start": {
              "local": "2050-04-13T05:42:08+08:00",
              "utc": "2050-04-12T21:42:08Z",
              "ms": 2533412528235.1226
            },
            "end": {
              "local": "2050-04-14T05:41:09+08:00",
              "utc": "2050-04-13T21:41:09Z",
              "ms": 2533498869260.5938
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        },
        {
          "local_date": "2050-04-14",
          "window": {
            "start": {
              "local": "2050-04-14T05:41:09+08:00",
              "utc": "2050-04-13T21:41:09Z",
              "ms": 2533498869260.5938
            },
            "end": {
              "local": "2050-04-15T05:40:11+08:00",
              "utc": "2050-04-14T21:40:11Z",
              "ms": 2533585210839.47
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 15:42 on Thu 14 Apr.",
          "fact": "2050-04-14T07:42:00Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:42 on the 13th, and from 05:41 on the 14th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 14th, not the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunrise → only-day · margin 36051 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Fuzhou, 2050: Thursday 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": "2050-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2050-04-14",
          "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": "2050-04-14",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Fuzhou, Vaiśākhī 2050 falls on Thursday 14 April. The Sun enters Meṣa at 15:42 on Thu 14 Apr, and the rule counts the day from sunrise.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-04-18",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-18",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 235,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-04-17T08:31:20+08:00",
          "utc": "2050-04-17T00:31:20Z",
          "ms": 2533768279515.1533
        },
        "end": {
          "local": "2050-04-18T05:41:14+08:00",
          "utc": "2050-04-17T21:41:14Z",
          "ms": 2533844474276.7676
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-17T08:31:20+08:00",
          "utc": "2050-04-17T00:31:20Z",
          "ms": 2533768279515.1533
        },
        "end": {
          "local": "2050-04-18T05:41:14+08:00",
          "utc": "2050-04-17T21:41:14Z",
          "ms": 2533844474276.7676
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-04-17",
          "window": {
            "start": {
              "local": "2050-04-17T05:38:16+08:00",
              "utc": "2050-04-16T21:38:16Z",
              "ms": 2533757895761.717
            },
            "end": {
              "local": "2050-04-17T05:38:16+08:00",
              "utc": "2050-04-16T21:38:16Z",
              "ms": 2533757895761.717
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-04-18",
          "window": {
            "start": {
              "local": "2050-04-18T05:37:19+08:00",
              "utc": "2050-04-17T21:37:19Z",
              "ms": 2533844239154.319
            },
            "end": {
              "local": "2050-04-18T05:37:19+08:00",
              "utc": "2050-04-17T21:37:19Z",
              "ms": 2533844239154.319
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:31 on Sun 17 Apr to 05:41 on Mon 18 Apr.",
          "fact": "2050-04-17T00:31:20Z → 2050-04-17T21:41:14Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:38 on the 17th and 05:37 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 235 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Fuzhou, 2050: Monday 18 April.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-18",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-18",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Varūthinī Ekādaśī 2050 falls on Monday 18 April. Ekādaśī runs from 08:31 on Sun 17 Apr to 05:41 on Mon 18 Apr and is current at sunrise that day. It is 3 min 55 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-04-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-04-19",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13778,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-04-19T02:43:48+08:00",
          "utc": "2050-04-18T18:43:48Z",
          "ms": 2533920228139.2495
        },
        "end": {
          "local": "2050-04-19T23:46:35+08:00",
          "utc": "2050-04-19T15:46:35Z",
          "ms": 2533995995399.8203
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-19T02:43:48+08:00",
          "utc": "2050-04-18T18:43:48Z",
          "ms": 2533920228139.2495
        },
        "end": {
          "local": "2050-04-19T23:46:35+08:00",
          "utc": "2050-04-19T15:46:35Z",
          "ms": 2533995995399.8203
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-04-18",
          "window": {
            "start": {
              "local": "2050-04-18T18:27:28+08:00",
              "utc": "2050-04-18T10:27:28Z",
              "ms": 2533890447530.246
            },
            "end": {
              "local": "2050-04-18T19:56:39+08:00",
              "utc": "2050-04-18T11:56:39Z",
              "ms": 2533895798952.6733
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        },
        {
          "local_date": "2050-04-19",
          "window": {
            "start": {
              "local": "2050-04-19T18:27:57+08:00",
              "utc": "2050-04-19T10:27:57Z",
              "ms": 2533976877390.505
            },
            "end": {
              "local": "2050-04-19T19:56:57+08:00",
              "utc": "2050-04-19T11:56:57Z",
              "ms": 2533982217460.476
            }
          },
          "covered_min": 89,
          "window_min": 89,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:44 on Tue 19 Apr to 23:47 on Tue 19 Apr.",
          "fact": "2050-04-18T18:43:48Z → 2050-04-19T15:46:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:57 on the 18th, 18:28–19:57 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 18th and 89 of 89 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13778 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Tuesday 19 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": "2050-04-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Tuesday 19 April. Trayodaśī runs from 02:44 on Tue 19 Apr to 23:47 on Tue 19 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-04-19",
      "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/2050/shivaratri?on=2050-04-19",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 533,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-04-19T23:46:35+08:00",
          "utc": "2050-04-19T15:46:35Z",
          "ms": 2533995995399.8203
        },
        "end": {
          "local": "2050-04-20T20:57:48+08:00",
          "utc": "2050-04-20T12:57:48Z",
          "ms": 2534072267506.089
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-19T23:46:35+08:00",
          "utc": "2050-04-19T15:46:35Z",
          "ms": 2533995995399.8203
        },
        "end": {
          "local": "2050-04-20T20:57:48+08:00",
          "utc": "2050-04-20T12:57:48Z",
          "ms": 2534072267506.089
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-04-19",
          "window": {
            "start": {
              "local": "2050-04-19T23:37:43+08:00",
              "utc": "2050-04-19T15:37:43Z",
              "ms": 2533995462652.8965
            },
            "end": {
              "local": "2050-04-20T00:25:43+08:00",
              "utc": "2050-04-19T16:25:43Z",
              "ms": 2533998342652.8965
            }
          },
          "covered_min": 39,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-04-20",
          "window": {
            "start": {
              "local": "2050-04-20T23:37:30+08:00",
              "utc": "2050-04-20T15:37:30Z",
              "ms": 2534081850371.906
            },
            "end": {
              "local": "2050-04-21T00:25:30+08:00",
              "utc": "2050-04-20T16:25:30Z",
              "ms": 2534084730371.906
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:47 on Tue 19 Apr to 20:58 on Wed 20 Apr.",
          "fact": "2050-04-19T15:46:35Z → 2050-04-20T12:57:48Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 19th, 23:38–00:26 on the 20th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 39 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 533 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Tuesday 19 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": "2050-04-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Tuesday 19 April. Caturdaśī runs from 23:47 on Tue 19 Apr to 20:58 on Wed 20 Apr and covers 39 of 48 minutes of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-04-19",
      "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/2050/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13515,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2050-04-23T14:44:44+08:00",
          "utc": "2050-04-23T06:44:44Z",
          "ms": 2534309083621.6616
        },
        "end": {
          "local": "2050-04-24T13:49:12+08:00",
          "utc": "2050-04-24T05:49:12Z",
          "ms": 2534392151809.6626
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-23T14:44:44+08:00",
          "utc": "2050-04-23T06:44:44Z",
          "ms": 2534309083621.6616
        },
        "end": {
          "local": "2050-04-24T13:49:12+08:00",
          "utc": "2050-04-24T05:49:12Z",
          "ms": 2534392151809.6626
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-04-23",
          "window": {
            "start": {
              "local": "2050-04-23T18:29:58+08:00",
              "utc": "2050-04-23T10:29:58Z",
              "ms": 2534322598479.3643
            },
            "end": {
              "local": "2050-04-23T19:58:14+08:00",
              "utc": "2050-04-23T11:58:14Z",
              "ms": 2534327893869.139
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "2050-04-24",
          "window": {
            "start": {
              "local": "2050-04-24T18:30:29+08:00",
              "utc": "2050-04-24T10:30:29Z",
              "ms": 2534409029143.1
            },
            "end": {
              "local": "2050-04-24T19:58:34+08:00",
              "utc": "2050-04-24T11:58:34Z",
              "ms": 2534414313560.839
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 14:45 on Sat 23 Apr to 13:49 on Sun 24 Apr.",
          "fact": "2050-04-23T06:44:44Z → 2050-04-24T05:49:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:30–19:58 on the 23rd, 18:30–19:59 on the 24th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 88 of 88 minutes on the 23rd and 0 of 88 on the 24th.",
          "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 13515 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Fuzhou, 2050: Saturday 23 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Jayantī 2050 falls on Saturday 23 April. Tṛtīyā runs from 14:45 on Sat 23 Apr to 13:49 on Sun 24 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14266,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2050-04-23T14:44:44+08:00",
          "utc": "2050-04-23T06:44:44Z",
          "ms": 2534309083621.6616
        },
        "end": {
          "local": "2050-04-24T13:49:12+08:00",
          "utc": "2050-04-24T05:49:12Z",
          "ms": 2534392151809.6626
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-23T14:44:44+08:00",
          "utc": "2050-04-23T06:44:44Z",
          "ms": 2534309083621.6616
        },
        "end": {
          "local": "2050-04-24T13:49:12+08:00",
          "utc": "2050-04-24T05:49:12Z",
          "ms": 2534392151809.6626
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2050-04-23",
          "window": {
            "start": {
              "local": "2050-04-23T05:32:46+08:00",
              "utc": "2050-04-22T21:32:46Z",
              "ms": 2534275966299.3823
            },
            "end": {
              "local": "2050-04-23T09:51:50+08:00",
              "utc": "2050-04-23T01:51:50Z",
              "ms": 2534291510359.3765
            }
          },
          "covered_min": 0,
          "window_min": 259,
          "qualifies": false
        },
        {
          "local_date": "2050-04-24",
          "window": {
            "start": {
              "local": "2050-04-24T05:31:54+08:00",
              "utc": "2050-04-23T21:31:54Z",
              "ms": 2534362313902.6763
            },
            "end": {
              "local": "2050-04-24T09:51:26+08:00",
              "utc": "2050-04-24T01:51:26Z",
              "ms": 2534377885649.4844
            }
          },
          "covered_min": 260,
          "window_min": 260,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 14:45 on Sat 23 Apr to 13:49 on Sun 24 Apr.",
          "fact": "2050-04-23T06:44:44Z → 2050-04-24T05:49:12Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:33–09:52 on the 23rd, 05:32–09:51 on the 24th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 259 minutes on the 23rd and 260 of 260 on the 24th.",
          "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 14266 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Fuzhou, 2050: Sunday 24 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.",
        "kaala": "purvahna",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Tṛtīyā 2050 falls on Sunday 24 April. Tṛtīyā runs from 14:45 on Sat 23 Apr to 13:49 on Sun 24 Apr and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vinayaka-chaturthi?on=2050-04-25",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4280,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-04-24T13:49:12+08:00",
          "utc": "2050-04-24T05:49:12Z",
          "ms": 2534392151809.6626
        },
        "end": {
          "local": "2050-04-25T13:36:21+08:00",
          "utc": "2050-04-25T05:36:21Z",
          "ms": 2534477781434.5337
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-24T13:49:12+08:00",
          "utc": "2050-04-24T05:49:12Z",
          "ms": 2534392151809.6626
        },
        "end": {
          "local": "2050-04-25T13:36:21+08:00",
          "utc": "2050-04-25T05:36:21Z",
          "ms": 2534477781434.5337
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-04-24",
          "window": {
            "start": {
              "local": "2050-04-24T11:37:12+08:00",
              "utc": "2050-04-24T03:37:12Z",
              "ms": 2534384231522.888
            },
            "end": {
              "local": "2050-04-24T12:25:12+08:00",
              "utc": "2050-04-24T04:25:12Z",
              "ms": 2534387111522.888
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-04-25",
          "window": {
            "start": {
              "local": "2050-04-25T11:37:01+08:00",
              "utc": "2050-04-25T03:37:01Z",
              "ms": 2534470621115.1113
            },
            "end": {
              "local": "2050-04-25T12:25:01+08:00",
              "utc": "2050-04-25T04:25:01Z",
              "ms": 2534473501115.1113
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:49 on Sun 24 Apr to 13:36 on Mon 25 Apr.",
          "fact": "2050-04-24T05:49:12Z → 2050-04-25T05:36:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 24th, 11:37–12:25 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4280 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Monday 25 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": "2050-04-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Monday 25 April. Caturthī runs from 13:49 on Sun 24 Apr to 13:36 on Mon 25 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-04-25",
      "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/2050/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4280,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2050-04-25T13:36:21+08:00",
          "utc": "2050-04-25T05:36:21Z",
          "ms": 2534477781434.5337
        },
        "end": {
          "local": "2050-04-26T14:07:12+08:00",
          "utc": "2050-04-26T06:07:12Z",
          "ms": 2534566032091.6846
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-25T13:36:21+08:00",
          "utc": "2050-04-25T05:36:21Z",
          "ms": 2534477781434.5337
        },
        "end": {
          "local": "2050-04-26T14:07:12+08:00",
          "utc": "2050-04-26T06:07:12Z",
          "ms": 2534566032091.6846
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-04-25",
          "window": {
            "start": {
              "local": "2050-04-25T11:37:01+08:00",
              "utc": "2050-04-25T03:37:01Z",
              "ms": 2534470621115.1113
            },
            "end": {
              "local": "2050-04-25T12:25:01+08:00",
              "utc": "2050-04-25T04:25:01Z",
              "ms": 2534473501115.1113
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-04-26",
          "window": {
            "start": {
              "local": "2050-04-26T11:36:51+08:00",
              "utc": "2050-04-26T03:36:51Z",
              "ms": 2534557011173.875
            },
            "end": {
              "local": "2050-04-26T12:24:51+08:00",
              "utc": "2050-04-26T04:24:51Z",
              "ms": 2534559891173.875
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 13:36 on Mon 25 Apr to 14:07 on Tue 26 Apr.",
          "fact": "2050-04-25T05:36:21Z → 2050-04-26T06:07:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 25th, 11:37–12:25 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4280 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Fuzhou, 2050: Tuesday 26 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shankara-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sankara jayanti."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śaṅkara Jayantī 2050 falls on Tuesday 26 April. Pañcamī runs from 13:36 on Mon 25 Apr to 14:07 on Tue 26 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10464,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2050-04-27T15:19:05+08:00",
          "utc": "2050-04-27T07:19:05Z",
          "ms": 2534656745283.143
        },
        "end": {
          "local": "2050-04-28T17:05:29+08:00",
          "utc": "2050-04-28T09:05:29Z",
          "ms": 2534749529279.981
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-04-27T15:19:05+08:00",
          "utc": "2050-04-27T07:19:05Z",
          "ms": 2534656745283.143
        },
        "end": {
          "local": "2050-04-28T17:05:29+08:00",
          "utc": "2050-04-28T09:05:29Z",
          "ms": 2534749529279.981
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-04-27",
          "window": {
            "start": {
              "local": "2050-04-27T11:36:42+08:00",
              "utc": "2050-04-27T03:36:42Z",
              "ms": 2534643401707.328
            },
            "end": {
              "local": "2050-04-27T12:24:42+08:00",
              "utc": "2050-04-27T04:24:42Z",
              "ms": 2534646281707.328
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-04-28",
          "window": {
            "start": {
              "local": "2050-04-28T11:36:33+08:00",
              "utc": "2050-04-28T03:36:33Z",
              "ms": 2534729792723.832
            },
            "end": {
              "local": "2050-04-28T12:24:33+08:00",
              "utc": "2050-04-28T04:24:33Z",
              "ms": 2534732672723.832
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 15:19 on Wed 27 Apr to 17:05 on Thu 28 Apr.",
          "fact": "2050-04-27T07:19:05Z → 2050-04-28T09:05:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 27th, 11:37–12:25 on the 28th.",
          "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 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 10464 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Fuzhou, 2050: Thursday 28 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-04-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 2050 falls on Thursday 28 April. Saptamī runs from 15:19 on Wed 27 Apr to 17:05 on Thu 28 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-05-02",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11574,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-05-02T00:01:54+08:00",
          "utc": "2050-05-01T16:01:54Z",
          "ms": 2535033713691.6733
        },
        "end": {
          "local": "2050-05-03T02:11:46+08:00",
          "utc": "2050-05-02T18:11:46Z",
          "ms": 2535127905915.16
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-02T00:01:54+08:00",
          "utc": "2050-05-01T16:01:54Z",
          "ms": 2535033713691.6733
        },
        "end": {
          "local": "2050-05-03T02:11:46+08:00",
          "utc": "2050-05-02T18:11:46Z",
          "ms": 2535127905915.16
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-05-02",
          "window": {
            "start": {
              "local": "2050-05-02T05:25:24+08:00",
              "utc": "2050-05-01T21:25:24Z",
              "ms": 2535053124202.143
            },
            "end": {
              "local": "2050-05-02T05:25:24+08:00",
              "utc": "2050-05-01T21:25:24Z",
              "ms": 2535053124202.143
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-05-03",
          "window": {
            "start": {
              "local": "2050-05-03T05:24:39+08:00",
              "utc": "2050-05-02T21:24:39Z",
              "ms": 2535139479492.6763
            },
            "end": {
              "local": "2050-05-03T05:24:39+08:00",
              "utc": "2050-05-02T21:24:39Z",
              "ms": 2535139479492.6763
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:02 on Mon 2 May to 02:12 on Tue 3 May.",
          "fact": "2050-05-01T16:01:54Z → 2050-05-02T18:11:46Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:25 on the 2nd and 05:25 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11574 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Fuzhou, 2050: Monday 2 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-05-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mohinī Ekādaśī 2050 falls on Monday 2 May. Ekādaśī runs from 00:02 on Mon 2 May to 02:12 on Tue 3 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-05-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27360,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2050-05-03T02:11:46+08:00",
          "utc": "2050-05-02T18:11:46Z",
          "ms": 2535127905915.16
        },
        "end": {
          "local": "2050-05-04T03:59:49+08:00",
          "utc": "2050-05-03T19:59:49Z",
          "ms": 2535220789194.1484
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-03T02:11:46+08:00",
          "utc": "2050-05-02T18:11:46Z",
          "ms": 2535127905915.16
        },
        "end": {
          "local": "2050-05-04T03:59:49+08:00",
          "utc": "2050-05-03T19:59:49Z",
          "ms": 2535220789194.1484
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-05-03",
          "window": {
            "start": {
              "local": "2050-05-03T11:35:55+08:00",
              "utc": "2050-05-03T03:35:55Z",
              "ms": 2535161755346.7095
            },
            "end": {
              "local": "2050-05-03T12:23:55+08:00",
              "utc": "2050-05-03T04:23:55Z",
              "ms": 2535164635346.7095
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-05-04",
          "window": {
            "start": {
              "local": "2050-05-04T11:35:49+08:00",
              "utc": "2050-05-04T03:35:49Z",
              "ms": 2535248149437.0586
            },
            "end": {
              "local": "2050-05-04T12:23:49+08:00",
              "utc": "2050-05-04T04:23:49Z",
              "ms": 2535251029437.0586
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 02:12 on Tue 3 May to 04:00 on Wed 4 May.",
          "fact": "2050-05-02T18:11:46Z → 2050-05-03T19:59:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 3rd, 11:36–12:24 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 27360 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Fuzhou, 2050: Tuesday 3 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Paraśurāma Dvādaśī 2050 falls on Tuesday 3 May. Dvādaśī runs from 02:12 on Tue 3 May to 04:00 on Wed 4 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27360,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2050-05-03T02:11:46+08:00",
          "utc": "2050-05-02T18:11:46Z",
          "ms": 2535127905915.16
        },
        "end": {
          "local": "2050-05-04T03:59:49+08:00",
          "utc": "2050-05-03T19:59:49Z",
          "ms": 2535220789194.1484
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-03T02:11:46+08:00",
          "utc": "2050-05-02T18:11:46Z",
          "ms": 2535127905915.16
        },
        "end": {
          "local": "2050-05-04T03:59:49+08:00",
          "utc": "2050-05-03T19:59:49Z",
          "ms": 2535220789194.1484
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-05-03",
          "window": {
            "start": {
              "local": "2050-05-03T11:35:55+08:00",
              "utc": "2050-05-03T03:35:55Z",
              "ms": 2535161755346.7095
            },
            "end": {
              "local": "2050-05-03T12:23:55+08:00",
              "utc": "2050-05-03T04:23:55Z",
              "ms": 2535164635346.7095
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-05-04",
          "window": {
            "start": {
              "local": "2050-05-04T11:35:49+08:00",
              "utc": "2050-05-04T03:35:49Z",
              "ms": 2535248149437.0586
            },
            "end": {
              "local": "2050-05-04T12:23:49+08:00",
              "utc": "2050-05-04T04:23:49Z",
              "ms": 2535251029437.0586
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 02:12 on Tue 3 May to 04:00 on Wed 4 May.",
          "fact": "2050-05-02T18:11:46Z → 2050-05-03T19:59:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 3rd, 11:36–12:24 on the 4th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 27360 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Fuzhou, 2050: Tuesday 3 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rukmini-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rukmiṇī Dvādaśī 2050 falls on Tuesday 3 May. Dvādaśī runs from 02:12 on Tue 3 May to 04:00 on Wed 4 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/pradosha-vrata?on=2050-05-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28688,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-05-04T03:59:49+08:00",
          "utc": "2050-05-03T19:59:49Z",
          "ms": 2535220789194.1484
        },
        "end": {
          "local": "2050-05-05T05:19:53+08:00",
          "utc": "2050-05-04T21:19:53Z",
          "ms": 2535311992593.898
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-04T03:59:49+08:00",
          "utc": "2050-05-03T19:59:49Z",
          "ms": 2535220789194.1484
        },
        "end": {
          "local": "2050-05-05T05:19:53+08:00",
          "utc": "2050-05-04T21:19:53Z",
          "ms": 2535311992593.898
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-05-03",
          "window": {
            "start": {
              "local": "2050-05-03T18:35:11+08:00",
              "utc": "2050-05-03T10:35:11Z",
              "ms": 2535186911200.7427
            },
            "end": {
              "local": "2050-05-03T20:01:41+08:00",
              "utc": "2050-05-03T12:01:41Z",
              "ms": 2535192101139.926
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        },
        {
          "local_date": "2050-05-04",
          "window": {
            "start": {
              "local": "2050-05-04T18:35:43+08:00",
              "utc": "2050-05-04T10:35:43Z",
              "ms": 2535273343129.501
            },
            "end": {
              "local": "2050-05-04T20:02:03+08:00",
              "utc": "2050-05-04T12:02:03Z",
              "ms": 2535278523109.5063
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:00 on Wed 4 May to 05:20 on Thu 5 May.",
          "fact": "2050-05-03T19:59:49Z → 2050-05-04T21:19:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:02 on the 3rd, 18:36–20:02 on the 4th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 3rd and 86 of 86 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28688 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Wednesday 4 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": "2050-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Wednesday 4 May. Trayodaśī runs from 04:00 on Wed 4 May to 05:20 on Thu 5 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-05-04",
      "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/2050/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33469,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-05-05T05:19:53+08:00",
          "utc": "2050-05-04T21:19:53Z",
          "ms": 2535311992593.898
        },
        "end": {
          "local": "2050-05-06T06:08:50+08:00",
          "utc": "2050-05-05T22:08:50Z",
          "ms": 2535401330095.561
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-05T05:19:53+08:00",
          "utc": "2050-05-04T21:19:53Z",
          "ms": 2535311992593.898
        },
        "end": {
          "local": "2050-05-06T06:08:50+08:00",
          "utc": "2050-05-05T22:08:50Z",
          "ms": 2535401330095.561
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-05-04",
          "window": {
            "start": {
              "local": "2050-05-04T18:35:43+08:00",
              "utc": "2050-05-04T10:35:43Z",
              "ms": 2535273343129.501
            },
            "end": {
              "local": "2050-05-04T20:02:03+08:00",
              "utc": "2050-05-04T12:02:03Z",
              "ms": 2535278523109.5063
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        },
        {
          "local_date": "2050-05-05",
          "window": {
            "start": {
              "local": "2050-05-05T18:36:15+08:00",
              "utc": "2050-05-05T10:36:15Z",
              "ms": 2535359775156.3857
            },
            "end": {
              "local": "2050-05-05T20:02:25+08:00",
              "utc": "2050-05-05T12:02:25Z",
              "ms": 2535364945298.07
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:20 on Thu 5 May to 06:09 on Fri 6 May.",
          "fact": "2050-05-04T21:19:53Z → 2050-05-05T22:08:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:02 on the 4th, 18:36–20:02 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 4th and 86 of 86 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33469 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Fuzhou, 2050: Thursday 5 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": "2050-05-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2050 falls on Thursday 5 May. Caturdaśī runs from 05:20 on Thu 5 May to 06:09 on Fri 6 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18564,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-05-06T06:08:50+08:00",
          "utc": "2050-05-05T22:08:50Z",
          "ms": 2535401330095.561
        },
        "end": {
          "local": "2050-05-07T06:26:11+08:00",
          "utc": "2050-05-06T22:26:11Z",
          "ms": 2535488770711.465
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-06T06:08:50+08:00",
          "utc": "2050-05-05T22:08:50Z",
          "ms": 2535401330095.561
        },
        "end": {
          "local": "2050-05-07T06:26:11+08:00",
          "utc": "2050-05-06T22:26:11Z",
          "ms": 2535488770711.465
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-05-06",
          "window": {
            "start": {
              "local": "2050-05-06T11:35:39+08:00",
              "utc": "2050-05-06T03:35:39Z",
              "ms": 2535420939247.1035
            },
            "end": {
              "local": "2050-05-06T12:23:39+08:00",
              "utc": "2050-05-06T04:23:39Z",
              "ms": 2535423819247.1035
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-05-07",
          "window": {
            "start": {
              "local": "2050-05-07T11:35:35+08:00",
              "utc": "2050-05-07T03:35:35Z",
              "ms": 2535507334981.908
            },
            "end": {
              "local": "2050-05-07T12:23:35+08:00",
              "utc": "2050-05-07T04:23:35Z",
              "ms": 2535510214981.908
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:09 on Fri 6 May to 06:26 on Sat 7 May.",
          "fact": "2050-05-05T22:08:50Z → 2050-05-06T22:26:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 6th, 11:36–12:24 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18564 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Fuzhou, 2050: Friday 6 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "buddha-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-05-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Buddha Pūrṇimā 2050 falls on Friday 6 May. Pūrṇimā runs from 06:09 on Fri 6 May to 06:26 on Sat 7 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18564,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-05-06T06:08:50+08:00",
          "utc": "2050-05-05T22:08:50Z",
          "ms": 2535401330095.561
        },
        "end": {
          "local": "2050-05-07T06:26:11+08:00",
          "utc": "2050-05-06T22:26:11Z",
          "ms": 2535488770711.465
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-06T06:08:50+08:00",
          "utc": "2050-05-05T22:08:50Z",
          "ms": 2535401330095.561
        },
        "end": {
          "local": "2050-05-07T06:26:11+08:00",
          "utc": "2050-05-06T22:26:11Z",
          "ms": 2535488770711.465
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-05-06",
          "window": {
            "start": {
              "local": "2050-05-06T11:35:39+08:00",
              "utc": "2050-05-06T03:35:39Z",
              "ms": 2535420939247.1035
            },
            "end": {
              "local": "2050-05-06T12:23:39+08:00",
              "utc": "2050-05-06T04:23:39Z",
              "ms": 2535423819247.1035
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-05-07",
          "window": {
            "start": {
              "local": "2050-05-07T11:35:35+08:00",
              "utc": "2050-05-07T03:35:35Z",
              "ms": 2535507334981.908
            },
            "end": {
              "local": "2050-05-07T12:23:35+08:00",
              "utc": "2050-05-07T04:23:35Z",
              "ms": 2535510214981.908
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:09 on Fri 6 May to 06:26 on Sat 7 May.",
          "fact": "2050-05-05T22:08:50Z → 2050-05-06T22:26:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 6th, 11:36–12:24 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18564 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Fuzhou, 2050: Friday 6 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sampat-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-05-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sampat Gaurī Vrata 2050 falls on Friday 6 May. Pūrṇimā runs from 06:09 on Fri 6 May to 06:26 on Sat 7 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-05-10",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18480,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-05-10T04:27:42+08:00",
          "utc": "2050-05-09T20:27:42Z",
          "ms": 2535740861816.4565
        },
        "end": {
          "local": "2050-05-11T03:01:40+08:00",
          "utc": "2050-05-10T19:01:40Z",
          "ms": 2535822100125.853
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-10T04:27:42+08:00",
          "utc": "2050-05-09T20:27:42Z",
          "ms": 2535740861816.4565
        },
        "end": {
          "local": "2050-05-11T03:01:40+08:00",
          "utc": "2050-05-10T19:01:40Z",
          "ms": 2535822100125.853
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-05-09",
          "window": {
            "start": {
              "local": "2050-05-09T20:59:15+08:00",
              "utc": "2050-05-09T12:59:15Z",
              "ms": 2535713954855.959
            },
            "end": {
              "local": "2050-05-09T20:59:15+08:00",
              "utc": "2050-05-09T12:59:15Z",
              "ms": 2535713954855.959
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-05-10",
          "window": {
            "start": {
              "local": "2050-05-10T21:53:40+08:00",
              "utc": "2050-05-10T13:53:40Z",
              "ms": 2535803619890.708
            },
            "end": {
              "local": "2050-05-10T21:53:40+08:00",
              "utc": "2050-05-10T13:53:40Z",
              "ms": 2535803619890.708
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:28 on Tue 10 May to 03:02 on Wed 11 May.",
          "fact": "2050-05-09T20:27:42Z → 2050-05-10T19:01:40Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:59 on the 9th and 21:54 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18480 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Tuesday 10 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": "2050-05-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Tuesday 10 May. Caturthī runs from 04:28 on Tue 10 May to 03:02 on Wed 11 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-05-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ekadashi?on=2050-05-17",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23894,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-05-16T14:12:28+08:00",
          "utc": "2050-05-16T06:12:28Z",
          "ms": 2536294348353.5674
        },
        "end": {
          "local": "2050-05-17T11:54:18+08:00",
          "utc": "2050-05-17T03:54:18Z",
          "ms": 2536372457714.9023
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-16T14:12:28+08:00",
          "utc": "2050-05-16T06:12:28Z",
          "ms": 2536294348353.5674
        },
        "end": {
          "local": "2050-05-17T11:54:18+08:00",
          "utc": "2050-05-17T03:54:18Z",
          "ms": 2536372457714.9023
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-05-16",
          "window": {
            "start": {
              "local": "2050-05-16T05:16:33+08:00",
              "utc": "2050-05-15T21:16:33Z",
              "ms": 2536262193418.0034
            },
            "end": {
              "local": "2050-05-16T05:16:33+08:00",
              "utc": "2050-05-15T21:16:33Z",
              "ms": 2536262193418.0034
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-05-17",
          "window": {
            "start": {
              "local": "2050-05-17T05:16:04+08:00",
              "utc": "2050-05-16T21:16:04Z",
              "ms": 2536348564017.726
            },
            "end": {
              "local": "2050-05-17T05:16:04+08:00",
              "utc": "2050-05-16T21:16:04Z",
              "ms": 2536348564017.726
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:12 on Mon 16 May to 11:54 on Tue 17 May.",
          "fact": "2050-05-16T06:12:28Z → 2050-05-17T03:54:18Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:17 on the 16th and 05:16 on the 17th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is 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 23894 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Fuzhou, 2050: Tuesday 17 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": "2050-05-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aparā Ekādaśī 2050 falls on Tuesday 17 May. Ekādaśī runs from 14:12 on Mon 16 May to 11:54 on Tue 17 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-05-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-05-18",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32357,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-05-18T09:44:00+08:00",
          "utc": "2050-05-18T01:44:00Z",
          "ms": 2536451039537.6846
        },
        "end": {
          "local": "2050-05-19T07:46:30+08:00",
          "utc": "2050-05-18T23:46:30Z",
          "ms": 2536530389968.622
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-18T09:44:00+08:00",
          "utc": "2050-05-18T01:44:00Z",
          "ms": 2536451039537.6846
        },
        "end": {
          "local": "2050-05-19T07:46:30+08:00",
          "utc": "2050-05-18T23:46:30Z",
          "ms": 2536530389968.622
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-05-18",
          "window": {
            "start": {
              "local": "2050-05-18T18:43:16+08:00",
              "utc": "2050-05-18T10:43:16Z",
              "ms": 2536483396356.515
            },
            "end": {
              "local": "2050-05-18T20:07:31+08:00",
              "utc": "2050-05-18T12:07:31Z",
              "ms": 2536488451357.6665
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2050-05-19",
          "window": {
            "start": {
              "local": "2050-05-19T18:43:49+08:00",
              "utc": "2050-05-19T10:43:49Z",
              "ms": 2536569828617.651
            },
            "end": {
              "local": "2050-05-19T20:07:56+08:00",
              "utc": "2050-05-19T12:07:56Z",
              "ms": 2536574875885.366
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:44 on Wed 18 May to 07:46 on Thu 19 May.",
          "fact": "2050-05-18T01:44:00Z → 2050-05-18T23:46:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:08 on the 18th, 18:44–20:08 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 18th and 0 of 84 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32357 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Wednesday 18 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": "2050-05-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Wednesday 18 May. Trayodaśī runs from 09:44 on Wed 18 May to 07:46 on Thu 19 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-05-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/shivaratri?on=2050-05-19",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20629,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-05-19T07:46:30+08:00",
          "utc": "2050-05-18T23:46:30Z",
          "ms": 2536530389968.622
        },
        "end": {
          "local": "2050-05-20T06:07:05+08:00",
          "utc": "2050-05-19T22:07:05Z",
          "ms": 2536610824891.3057
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-19T07:46:30+08:00",
          "utc": "2050-05-18T23:46:30Z",
          "ms": 2536530389968.622
        },
        "end": {
          "local": "2050-05-20T06:07:05+08:00",
          "utc": "2050-05-19T22:07:05Z",
          "ms": 2536610824891.3057
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-05-18",
          "window": {
            "start": {
              "local": "2050-05-18T23:35:13+08:00",
              "utc": "2050-05-18T15:35:13Z",
              "ms": 2536500912610.833
            },
            "end": {
              "local": "2050-05-19T00:23:13+08:00",
              "utc": "2050-05-18T16:23:13Z",
              "ms": 2536503792610.833
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-05-19",
          "window": {
            "start": {
              "local": "2050-05-19T23:35:16+08:00",
              "utc": "2050-05-19T15:35:16Z",
              "ms": 2536587315871.584
            },
            "end": {
              "local": "2050-05-20T00:23:16+08:00",
              "utc": "2050-05-19T16:23:16Z",
              "ms": 2536590195871.584
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:46 on Thu 19 May to 06:07 on Fri 20 May.",
          "fact": "2050-05-18T23:46:30Z → 2050-05-19T22:07:05Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 18th, 23:35–00:23 on the 19th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20629 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Thursday 19 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": "2050-05-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Thursday 19 May. Caturdaśī runs from 07:46 on Thu 19 May to 06:07 on Fri 20 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-05-19",
      "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/2050/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26735,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2050-05-23T03:49:08+08:00",
          "utc": "2050-05-22T19:49:08Z",
          "ms": 2536861747711.406
        },
        "end": {
          "local": "2050-05-24T04:10:15+08:00",
          "utc": "2050-05-23T20:10:15Z",
          "ms": 2536949415380.121
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-23T03:49:08+08:00",
          "utc": "2050-05-22T19:49:08Z",
          "ms": 2536861747711.406
        },
        "end": {
          "local": "2050-05-24T04:10:15+08:00",
          "utc": "2050-05-23T20:10:15Z",
          "ms": 2536949415380.121
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-05-23",
          "window": {
            "start": {
              "local": "2050-05-23T11:35:45+08:00",
              "utc": "2050-05-23T03:35:45Z",
              "ms": 2536889744698.553
            },
            "end": {
              "local": "2050-05-23T12:23:45+08:00",
              "utc": "2050-05-23T04:23:45Z",
              "ms": 2536892624698.553
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-05-24",
          "window": {
            "start": {
              "local": "2050-05-24T11:35:50+08:00",
              "utc": "2050-05-24T03:35:50Z",
              "ms": 2536976149965.6245
            },
            "end": {
              "local": "2050-05-24T12:23:50+08:00",
              "utc": "2050-05-24T04:23:50Z",
              "ms": 2536979029965.6245
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 03:49 on Mon 23 May to 04:10 on Tue 24 May.",
          "fact": "2050-05-22T19:49:08Z → 2050-05-23T20:10:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 23rd, 11:36–12:24 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 26735 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Fuzhou, 2050: Monday 23 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rambha-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Rambha trtiya (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rambhā Tṛtīyā 2050 falls on Monday 23 May. Tṛtīyā runs from 03:49 on Mon 23 May to 04:10 on Tue 24 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vinayaka-chaturthi?on=2050-05-24",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23300,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-05-24T04:10:15+08:00",
          "utc": "2050-05-23T20:10:15Z",
          "ms": 2536949415380.121
        },
        "end": {
          "local": "2050-05-25T05:07:35+08:00",
          "utc": "2050-05-24T21:07:35Z",
          "ms": 2537039255273.9106
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-24T04:10:15+08:00",
          "utc": "2050-05-23T20:10:15Z",
          "ms": 2536949415380.121
        },
        "end": {
          "local": "2050-05-25T05:07:35+08:00",
          "utc": "2050-05-24T21:07:35Z",
          "ms": 2537039255273.9106
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-05-24",
          "window": {
            "start": {
              "local": "2050-05-24T11:35:50+08:00",
              "utc": "2050-05-24T03:35:50Z",
              "ms": 2536976149965.6245
            },
            "end": {
              "local": "2050-05-24T12:23:50+08:00",
              "utc": "2050-05-24T04:23:50Z",
              "ms": 2536979029965.6245
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-05-25",
          "window": {
            "start": {
              "local": "2050-05-25T11:35:56+08:00",
              "utc": "2050-05-25T03:35:56Z",
              "ms": 2537062555717.2793
            },
            "end": {
              "local": "2050-05-25T12:23:56+08:00",
              "utc": "2050-05-25T04:23:56Z",
              "ms": 2537065435717.2793
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:10 on Tue 24 May to 05:08 on Wed 25 May.",
          "fact": "2050-05-23T20:10:15Z → 2050-05-24T21:07:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 24th, 11:36–12:24 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23300 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Tuesday 24 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": "2050-05-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Tuesday 24 May. Caturthī runs from 04:10 on Tue 24 May to 05:08 on Wed 25 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-05-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10747,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2050-05-26T06:38:34+08:00",
          "utc": "2050-05-25T22:38:34Z",
          "ms": 2537131113573.4194
        },
        "end": {
          "local": "2050-05-27T08:37:01+08:00",
          "utc": "2050-05-27T00:37:01Z",
          "ms": 2537224621300.5283
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-26T06:38:34+08:00",
          "utc": "2050-05-25T22:38:34Z",
          "ms": 2537131113573.4194
        },
        "end": {
          "local": "2050-05-27T08:37:01+08:00",
          "utc": "2050-05-27T00:37:01Z",
          "ms": 2537224621300.5283
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-05-26",
          "window": {
            "start": {
              "local": "2050-05-26T11:36:02+08:00",
              "utc": "2050-05-26T03:36:02Z",
              "ms": 2537148961940.128
            },
            "end": {
              "local": "2050-05-26T12:24:02+08:00",
              "utc": "2050-05-26T04:24:02Z",
              "ms": 2537151841940.128
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-05-27",
          "window": {
            "start": {
              "local": "2050-05-27T11:36:09+08:00",
              "utc": "2050-05-27T03:36:09Z",
              "ms": 2537235368620.705
            },
            "end": {
              "local": "2050-05-27T12:24:09+08:00",
              "utc": "2050-05-27T04:24:09Z",
              "ms": 2537238248620.705
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 06:39 on Thu 26 May to 08:37 on Fri 27 May.",
          "fact": "2050-05-25T22:38:34Z → 2050-05-27T00:37:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 26th, 11:36–12:24 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 10747 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Fuzhou, 2050: Thursday 26 May.",
          "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": "2050-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Araṇya Gaurī Vrata 2050 falls on Thursday 26 May. Ṣaṣṭhī runs from 06:39 on Thu 26 May to 08:37 on Fri 27 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10747,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2050-05-26T06:38:34+08:00",
          "utc": "2050-05-25T22:38:34Z",
          "ms": 2537131113573.4194
        },
        "end": {
          "local": "2050-05-27T08:37:01+08:00",
          "utc": "2050-05-27T00:37:01Z",
          "ms": 2537224621300.5283
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-26T06:38:34+08:00",
          "utc": "2050-05-25T22:38:34Z",
          "ms": 2537131113573.4194
        },
        "end": {
          "local": "2050-05-27T08:37:01+08:00",
          "utc": "2050-05-27T00:37:01Z",
          "ms": 2537224621300.5283
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-05-26",
          "window": {
            "start": {
              "local": "2050-05-26T11:36:02+08:00",
              "utc": "2050-05-26T03:36:02Z",
              "ms": 2537148961940.128
            },
            "end": {
              "local": "2050-05-26T12:24:02+08:00",
              "utc": "2050-05-26T04:24:02Z",
              "ms": 2537151841940.128
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-05-27",
          "window": {
            "start": {
              "local": "2050-05-27T11:36:09+08:00",
              "utc": "2050-05-27T03:36:09Z",
              "ms": 2537235368620.705
            },
            "end": {
              "local": "2050-05-27T12:24:09+08:00",
              "utc": "2050-05-27T04:24:09Z",
              "ms": 2537238248620.705
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 06:39 on Thu 26 May to 08:37 on Fri 27 May.",
          "fact": "2050-05-25T22:38:34Z → 2050-05-27T00:37:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 26th, 11:36–12:24 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 10747 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 2050: Thursday 26 May.",
          "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": "2050-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2050 falls on Thursday 26 May. Ṣaṣṭhī runs from 06:39 on Thu 26 May to 08:37 on Fri 27 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-06-01",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37585,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-05-31T17:22:06+08:00",
          "utc": "2050-05-31T09:22:06Z",
          "ms": 2537601726214.9263
        },
        "end": {
          "local": "2050-06-01T18:44:36+08:00",
          "utc": "2050-06-01T10:44:36Z",
          "ms": 2537693076019.043
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-05-31T17:22:06+08:00",
          "utc": "2050-05-31T09:22:06Z",
          "ms": 2537601726214.9263
        },
        "end": {
          "local": "2050-06-01T18:44:36+08:00",
          "utc": "2050-06-01T10:44:36Z",
          "ms": 2537693076019.043
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-06-01",
          "window": {
            "start": {
              "local": "2050-06-01T05:11:11+08:00",
              "utc": "2050-05-31T21:11:11Z",
              "ms": 2537644270902.6646
            },
            "end": {
              "local": "2050-06-01T05:11:11+08:00",
              "utc": "2050-05-31T21:11:11Z",
              "ms": 2537644270902.6646
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-06-02",
          "window": {
            "start": {
              "local": "2050-06-02T05:11:01+08:00",
              "utc": "2050-06-01T21:11:01Z",
              "ms": 2537730661305.9375
            },
            "end": {
              "local": "2050-06-02T05:11:01+08:00",
              "utc": "2050-06-01T21:11:01Z",
              "ms": 2537730661305.9375
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:22 on Tue 31 May to 18:45 on Wed 1 Jun.",
          "fact": "2050-05-31T09:22:06Z → 2050-06-01T10:44:36Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:11 on the 1st and 05:11 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 37585 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Fuzhou, 2050: Wednesday 1 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": "2050-06-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nirjalā Ekādaśī 2050 falls on Wednesday 1 June. Ekādaśī runs from 17:22 on Tue 31 May to 18:45 on Wed 1 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-06-01",
      "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/2050/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22788,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2050-06-01T18:44:36+08:00",
          "utc": "2050-06-01T10:44:36Z",
          "ms": 2537693076019.043
        },
        "end": {
          "local": "2050-06-02T19:29:49+08:00",
          "utc": "2050-06-02T11:29:49Z",
          "ms": 2537782189156.1475
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-01T18:44:36+08:00",
          "utc": "2050-06-01T10:44:36Z",
          "ms": 2537693076019.043
        },
        "end": {
          "local": "2050-06-02T19:29:49+08:00",
          "utc": "2050-06-02T11:29:49Z",
          "ms": 2537782189156.1475
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-06-01",
          "window": {
            "start": {
              "local": "2050-06-01T11:36:48+08:00",
              "utc": "2050-06-01T03:36:48Z",
              "ms": 2537667408407.9775
            },
            "end": {
              "local": "2050-06-01T12:24:48+08:00",
              "utc": "2050-06-01T04:24:48Z",
              "ms": 2537670288407.9775
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-06-02",
          "window": {
            "start": {
              "local": "2050-06-02T11:36:58+08:00",
              "utc": "2050-06-02T03:36:58Z",
              "ms": 2537753817543.8535
            },
            "end": {
              "local": "2050-06-02T12:24:58+08:00",
              "utc": "2050-06-02T04:24:58Z",
              "ms": 2537756697543.8535
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 18:45 on Wed 1 Jun to 19:30 on Thu 2 Jun.",
          "fact": "2050-06-01T10:44:36Z → 2050-06-02T11:29:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 1st, 11:37–12:25 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 22788 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Fuzhou, 2050: Thursday 2 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": "2050-06-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śrī Rāma Dvādaśī 2050 falls on Thursday 2 June. Dvādaśī runs from 18:45 on Wed 1 Jun to 19:30 on Thu 2 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/pradosha-vrata?on=2050-06-02",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-02",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 2334,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-06-02T19:29:49+08:00",
          "utc": "2050-06-02T11:29:49Z",
          "ms": 2537782189156.1475
        },
        "end": {
          "local": "2050-06-03T19:35:02+08:00",
          "utc": "2050-06-03T11:35:02Z",
          "ms": 2537868902380.387
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-02T19:29:49+08:00",
          "utc": "2050-06-02T11:29:49Z",
          "ms": 2537782189156.1475
        },
        "end": {
          "local": "2050-06-03T19:35:02+08:00",
          "utc": "2050-06-03T11:35:02Z",
          "ms": 2537868902380.387
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-06-02",
          "window": {
            "start": {
              "local": "2050-06-02T18:50:54+08:00",
              "utc": "2050-06-02T10:50:54Z",
              "ms": 2537779853781.77
            },
            "end": {
              "local": "2050-06-02T20:13:34+08:00",
              "utc": "2050-06-02T12:13:34Z",
              "ms": 2537784813670.906
            }
          },
          "covered_min": 44,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2050-06-03",
          "window": {
            "start": {
              "local": "2050-06-03T18:51:21+08:00",
              "utc": "2050-06-03T10:51:21Z",
              "ms": 2537866281128.395
            },
            "end": {
              "local": "2050-06-03T20:13:56+08:00",
              "utc": "2050-06-03T12:13:56Z",
              "ms": 2537871236422.357
            }
          },
          "covered_min": 44,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:30 on Thu 2 Jun to 19:35 on Fri 3 Jun.",
          "fact": "2050-06-02T11:29:49Z → 2050-06-03T11:35:02Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:14 on the 2nd, 18:51–20:14 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 44 of 83 minutes on the 2nd and 44 of 83 on the 3rd.",
          "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 2334 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Thursday 2 June.",
          "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": "2050-06-03",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Thursday 2 June. Trayodaśī runs from 19:30 on Thu 2 Jun to 19:35 on Fri 3 Jun and covers 44 of 83 minutes of pradoṣa that evening. It also reaches the next evening for 44 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-06-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 553,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-06-04T19:01:01+08:00",
          "utc": "2050-06-04T11:01:01Z",
          "ms": 2537953260695.142
        },
        "end": {
          "local": "2050-06-05T17:51:14+08:00",
          "utc": "2050-06-05T09:51:14Z",
          "ms": 2538035473814.292
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-04T19:01:01+08:00",
          "utc": "2050-06-04T11:01:01Z",
          "ms": 2537953260695.142
        },
        "end": {
          "local": "2050-06-05T17:51:14+08:00",
          "utc": "2050-06-05T09:51:14Z",
          "ms": 2538035473814.292
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-06-04",
          "window": {
            "start": {
              "local": "2050-06-04T18:51:48+08:00",
              "utc": "2050-06-04T10:51:48Z",
              "ms": 2537952707927.355
            },
            "end": {
              "local": "2050-06-04T20:14:19+08:00",
              "utc": "2050-06-04T12:14:19Z",
              "ms": 2537957658863.889
            }
          },
          "covered_min": 73,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2050-06-05",
          "window": {
            "start": {
              "local": "2050-06-05T18:52:14+08:00",
              "utc": "2050-06-05T10:52:14Z",
              "ms": 2538039134153.3013
            },
            "end": {
              "local": "2050-06-05T20:14:41+08:00",
              "utc": "2050-06-05T12:14:41Z",
              "ms": 2538044080973.07
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:01 on Sat 4 Jun to 17:51 on Sun 5 Jun.",
          "fact": "2050-06-04T11:01:01Z → 2050-06-05T09:51:14Z"
        },
        {
          "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": "Pūrṇimā must be present during pradoṣa. It covers 73 of 83 minutes on the 4th and 0 of 82 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 553 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 2050: Saturday 4 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vata-savitri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-06-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 2050 falls on Saturday 4 June. Pūrṇimā runs from 19:01 on Sat 4 Jun to 17:51 on Sun 5 Jun and covers 73 of 83 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-06-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34992,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-06-08T11:46:30+08:00",
          "utc": "2050-06-08T03:46:30Z",
          "ms": 2538272789841.666
        },
        "end": {
          "local": "2050-06-09T09:16:02+08:00",
          "utc": "2050-06-09T01:16:02Z",
          "ms": 2538350161882.747
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-08T11:46:30+08:00",
          "utc": "2050-06-08T03:46:30Z",
          "ms": 2538272789841.666
        },
        "end": {
          "local": "2050-06-09T09:16:02+08:00",
          "utc": "2050-06-09T01:16:02Z",
          "ms": 2538350161882.747
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-06-08",
          "window": {
            "start": {
              "local": "2050-06-08T21:29:42+08:00",
              "utc": "2050-06-08T13:29:42Z",
              "ms": 2538307782099.022
            },
            "end": {
              "local": "2050-06-08T21:29:42+08:00",
              "utc": "2050-06-08T13:29:42Z",
              "ms": 2538307782099.022
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-06-09",
          "window": {
            "start": {
              "local": "2050-06-09T22:16:06+08:00",
              "utc": "2050-06-09T14:16:06Z",
              "ms": 2538396966336.8213
            },
            "end": {
              "local": "2050-06-09T22:16:06+08:00",
              "utc": "2050-06-09T14:16:06Z",
              "ms": 2538396966336.8213
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:46 on Wed 8 Jun to 09:16 on Thu 9 Jun.",
          "fact": "2050-06-08T03:46:30Z → 2050-06-09T01:16:02Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:30 on the 8th and 22:16 on the 9th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34992 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Wednesday 8 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-06-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Wednesday 8 June. Caturthī runs from 11:46 on Wed 8 Jun to 09:16 on Thu 9 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-06-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ekadashi?on=2050-06-15",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33418,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-06-14T19:53:50+08:00",
          "utc": "2050-06-14T11:53:50Z",
          "ms": 2538820429551.205
        },
        "end": {
          "local": "2050-06-15T18:29:13+08:00",
          "utc": "2050-06-15T10:29:13Z",
          "ms": 2538901753096.864
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-14T19:53:50+08:00",
          "utc": "2050-06-14T11:53:50Z",
          "ms": 2538820429551.205
        },
        "end": {
          "local": "2050-06-15T18:29:13+08:00",
          "utc": "2050-06-15T10:29:13Z",
          "ms": 2538901753096.864
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-06-15",
          "window": {
            "start": {
              "local": "2050-06-15T05:10:48+08:00",
              "utc": "2050-06-14T21:10:48Z",
              "ms": 2538853847825.151
            },
            "end": {
              "local": "2050-06-15T05:10:48+08:00",
              "utc": "2050-06-14T21:10:48Z",
              "ms": 2538853847825.151
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-06-16",
          "window": {
            "start": {
              "local": "2050-06-16T05:10:55+08:00",
              "utc": "2050-06-15T21:10:55Z",
              "ms": 2538940255041.1685
            },
            "end": {
              "local": "2050-06-16T05:10:55+08:00",
              "utc": "2050-06-15T21:10:55Z",
              "ms": 2538940255041.1685
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:54 on Tue 14 Jun to 18:29 on Wed 15 Jun.",
          "fact": "2050-06-14T11:53:50Z → 2050-06-15T10:29:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:11 on the 15th and 05:11 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33418 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Fuzhou, 2050: Wednesday 15 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": "2050-06-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yoginī Ekādaśī 2050 falls on Wednesday 15 June. Ekādaśī runs from 19:54 on Tue 14 Jun to 18:29 on Wed 15 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-06-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-06-16",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5543,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-06-16T17:23:55+08:00",
          "utc": "2050-06-16T09:23:55Z",
          "ms": 2538984234663.302
        },
        "end": {
          "local": "2050-06-17T16:39:35+08:00",
          "utc": "2050-06-17T08:39:35Z",
          "ms": 2539067974592.063
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-16T17:23:55+08:00",
          "utc": "2050-06-16T09:23:55Z",
          "ms": 2538984234663.302
        },
        "end": {
          "local": "2050-06-17T16:39:35+08:00",
          "utc": "2050-06-17T08:39:35Z",
          "ms": 2539067974592.063
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-06-16",
          "window": {
            "start": {
              "local": "2050-06-16T18:56:17+08:00",
              "utc": "2050-06-16T10:56:17Z",
              "ms": 2538989777440.671
            },
            "end": {
              "local": "2050-06-16T20:18:16+08:00",
              "utc": "2050-06-16T12:18:16Z",
              "ms": 2538994695562.4404
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "2050-06-17",
          "window": {
            "start": {
              "local": "2050-06-17T18:56:35+08:00",
              "utc": "2050-06-17T10:56:35Z",
              "ms": 2539076194728.999
            },
            "end": {
              "local": "2050-06-17T20:18:32+08:00",
              "utc": "2050-06-17T12:18:32Z",
              "ms": 2539081111796.9785
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:24 on Thu 16 Jun to 16:40 on Fri 17 Jun.",
          "fact": "2050-06-16T09:23:55Z → 2050-06-17T08:39:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:18 on the 16th, 18:57–20:19 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 82 of 82 minutes on the 16th and 0 of 82 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 5543 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Thursday 16 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": "2050-06-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Thursday 16 June. Trayodaśī runs from 17:24 on Thu 16 Jun to 16:40 on Fri 17 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-06-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/shivaratri?on=2050-06-17",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25219,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-06-17T16:39:35+08:00",
          "utc": "2050-06-17T08:39:35Z",
          "ms": 2539067974592.063
        },
        "end": {
          "local": "2050-06-18T16:18:11+08:00",
          "utc": "2050-06-18T08:18:11Z",
          "ms": 2539153091129.14
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-17T16:39:35+08:00",
          "utc": "2050-06-17T08:39:35Z",
          "ms": 2539067974592.063
        },
        "end": {
          "local": "2050-06-18T16:18:11+08:00",
          "utc": "2050-06-18T08:18:11Z",
          "ms": 2539153091129.14
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-06-17",
          "window": {
            "start": {
              "local": "2050-06-17T23:39:54+08:00",
              "utc": "2050-06-17T15:39:54Z",
              "ms": 2539093193733.923
            },
            "end": {
              "local": "2050-06-18T00:27:54+08:00",
              "utc": "2050-06-17T16:27:54Z",
              "ms": 2539096073733.923
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-06-18",
          "window": {
            "start": {
              "local": "2050-06-18T23:40:07+08:00",
              "utc": "2050-06-18T15:40:07Z",
              "ms": 2539179607127.188
            },
            "end": {
              "local": "2050-06-19T00:28:07+08:00",
              "utc": "2050-06-18T16:28:07Z",
              "ms": 2539182487127.188
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:40 on Fri 17 Jun to 16:18 on Sat 18 Jun.",
          "fact": "2050-06-17T08:39:35Z → 2050-06-18T08:18:11Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 17th, 23:40–00:28 on the 18th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25219 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Friday 17 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-06-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Friday 17 June. Caturdaśī runs from 16:40 on Fri 17 Jun to 16:18 on Sat 18 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-06-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15864,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2050-06-20T16:52:51+08:00",
          "utc": "2050-06-20T08:52:51Z",
          "ms": 2539327971250.8945
        },
        "end": {
          "local": "2050-06-21T17:52:17+08:00",
          "utc": "2050-06-21T09:52:17Z",
          "ms": 2539417937257.789
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-20T16:52:51+08:00",
          "utc": "2050-06-20T08:52:51Z",
          "ms": 2539327971250.8945
        },
        "end": {
          "local": "2050-06-21T17:52:17+08:00",
          "utc": "2050-06-21T09:52:17Z",
          "ms": 2539417937257.789
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-06-20",
          "window": {
            "start": {
              "local": "2050-06-20T11:40:28+08:00",
              "utc": "2050-06-20T03:40:28Z",
              "ms": 2539309227748.713
            },
            "end": {
              "local": "2050-06-20T12:28:28+08:00",
              "utc": "2050-06-20T04:28:28Z",
              "ms": 2539312107748.713
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-06-21",
          "window": {
            "start": {
              "local": "2050-06-21T11:40:41+08:00",
              "utc": "2050-06-21T03:40:41Z",
              "ms": 2539395640659.9644
            },
            "end": {
              "local": "2050-06-21T12:28:41+08:00",
              "utc": "2050-06-21T04:28:41Z",
              "ms": 2539398520659.9644
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 16:53 on Mon 20 Jun to 17:52 on Tue 21 Jun.",
          "fact": "2050-06-20T08:52:51Z → 2050-06-21T09:52:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 20th, 11:41–12:29 on the 21st.",
          "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 20th and 48 of 48 on the 21st.",
          "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 15864 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Fuzhou, 2050: Tuesday 21 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rathayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')"
          }
        ],
        "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-06-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rathayātrā 2050 falls on Tuesday 21 June. Dvitīyā runs from 16:53 on Mon 20 Jun to 17:52 on Tue 21 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vinayaka-chaturthi?on=2050-06-23",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24665,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-06-22T19:19:59+08:00",
          "utc": "2050-06-22T11:19:59Z",
          "ms": 2539509598583.331
        },
        "end": {
          "local": "2050-06-23T21:13:13+08:00",
          "utc": "2050-06-23T13:13:13Z",
          "ms": 2539602792798.059
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-22T19:19:59+08:00",
          "utc": "2050-06-22T11:19:59Z",
          "ms": 2539509598583.331
        },
        "end": {
          "local": "2050-06-23T21:13:13+08:00",
          "utc": "2050-06-23T13:13:13Z",
          "ms": 2539602792798.059
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-06-22",
          "window": {
            "start": {
              "local": "2050-06-22T11:40:54+08:00",
              "utc": "2050-06-22T03:40:54Z",
              "ms": 2539482053529.741
            },
            "end": {
              "local": "2050-06-22T12:28:54+08:00",
              "utc": "2050-06-22T04:28:54Z",
              "ms": 2539484933529.741
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-06-23",
          "window": {
            "start": {
              "local": "2050-06-23T11:41:06+08:00",
              "utc": "2050-06-23T03:41:06Z",
              "ms": 2539568466331.283
            },
            "end": {
              "local": "2050-06-23T12:29:06+08:00",
              "utc": "2050-06-23T04:29:06Z",
              "ms": 2539571346331.283
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:20 on Wed 22 Jun to 21:13 on Thu 23 Jun.",
          "fact": "2050-06-22T11:19:59Z → 2050-06-23T13:13:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 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": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24665 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Thursday 23 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-06-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Thursday 23 June. Caturthī runs from 19:20 on Wed 22 Jun to 21:13 on Thu 23 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-06-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31446,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2050-06-23T21:13:13+08:00",
          "utc": "2050-06-23T13:13:13Z",
          "ms": 2539602792798.059
        },
        "end": {
          "local": "2050-06-24T23:26:07+08:00",
          "utc": "2050-06-24T15:26:07Z",
          "ms": 2539697166955.3623
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-23T21:13:13+08:00",
          "utc": "2050-06-23T13:13:13Z",
          "ms": 2539602792798.059
        },
        "end": {
          "local": "2050-06-24T23:26:07+08:00",
          "utc": "2050-06-24T15:26:07Z",
          "ms": 2539697166955.3623
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-06-23",
          "window": {
            "start": {
              "local": "2050-06-23T11:41:06+08:00",
              "utc": "2050-06-23T03:41:06Z",
              "ms": 2539568466331.283
            },
            "end": {
              "local": "2050-06-23T12:29:06+08:00",
              "utc": "2050-06-23T04:29:06Z",
              "ms": 2539571346331.283
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-06-24",
          "window": {
            "start": {
              "local": "2050-06-24T11:41:19+08:00",
              "utc": "2050-06-24T03:41:19Z",
              "ms": 2539654879038.4854
            },
            "end": {
              "local": "2050-06-24T12:29:19+08:00",
              "utc": "2050-06-24T04:29:19Z",
              "ms": 2539657759038.4854
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 21:13 on Thu 23 Jun to 23:26 on Fri 24 Jun.",
          "fact": "2050-06-23T13:13:13Z → 2050-06-24T15:26:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 23rd, 11:41–12:29 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31446 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Fuzhou, 2050: Friday 24 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Skanda pancami (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Pañcamī 2050 falls on Friday 24 June. Pañcamī runs from 21:13 on Thu 23 Jun to 23:26 on Fri 24 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-06-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27057,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2050-06-26T01:49:25+08:00",
          "utc": "2050-06-25T17:49:25Z",
          "ms": 2539792164524.388
        },
        "end": {
          "local": "2050-06-27T04:11:00+08:00",
          "utc": "2050-06-26T20:11:00Z",
          "ms": 2539887059601.65
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-26T01:49:25+08:00",
          "utc": "2050-06-25T17:49:25Z",
          "ms": 2539792164524.388
        },
        "end": {
          "local": "2050-06-27T04:11:00+08:00",
          "utc": "2050-06-26T20:11:00Z",
          "ms": 2539887059601.65
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-06-26",
          "window": {
            "start": {
              "local": "2050-06-26T11:41:44+08:00",
              "utc": "2050-06-26T03:41:44Z",
              "ms": 2539827704068.913
            },
            "end": {
              "local": "2050-06-26T12:29:44+08:00",
              "utc": "2050-06-26T04:29:44Z",
              "ms": 2539830584068.913
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-06-27",
          "window": {
            "start": {
              "local": "2050-06-27T11:41:56+08:00",
              "utc": "2050-06-27T03:41:56Z",
              "ms": 2539914116343.45
            },
            "end": {
              "local": "2050-06-27T12:29:56+08:00",
              "utc": "2050-06-27T04:29:56Z",
              "ms": 2539916996343.45
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 01:49 on Sun 26 Jun to 04:11 on Mon 27 Jun.",
          "fact": "2050-06-25T17:49:25Z → 2050-06-26T20:11:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 26th, 11:42–12:30 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 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 27057 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Fuzhou, 2050: Sunday 26 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vivasvat-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Vivasvat saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-06-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-06-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vivasvat Saptamī 2050 falls on Sunday 26 June. Saptamī runs from 01:49 on Sun 26 Jun to 04:11 on Mon 27 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-07-01",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13261,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-06-30T08:55:20+08:00",
          "utc": "2050-06-30T00:55:20Z",
          "ms": 2540163319710.2686
        },
        "end": {
          "local": "2050-07-01T09:10:00+08:00",
          "utc": "2050-07-01T01:10:00Z",
          "ms": 2540250599678.0557
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-06-30T08:55:20+08:00",
          "utc": "2050-06-30T00:55:20Z",
          "ms": 2540163319710.2686
        },
        "end": {
          "local": "2050-07-01T09:10:00+08:00",
          "utc": "2050-07-01T01:10:00Z",
          "ms": 2540250599678.0557
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-06-30",
          "window": {
            "start": {
              "local": "2050-06-30T05:14:19+08:00",
              "utc": "2050-06-29T21:14:19Z",
              "ms": 2540150059129.7246
            },
            "end": {
              "local": "2050-06-30T05:14:19+08:00",
              "utc": "2050-06-29T21:14:19Z",
              "ms": 2540150059129.7246
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-07-01",
          "window": {
            "start": {
              "local": "2050-07-01T05:14:40+08:00",
              "utc": "2050-06-30T21:14:40Z",
              "ms": 2540236479965.7275
            },
            "end": {
              "local": "2050-07-01T05:14:40+08:00",
              "utc": "2050-06-30T21:14:40Z",
              "ms": 2540236479965.7275
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:55 on Thu 30 Jun to 09:10 on Fri 1 Jul.",
          "fact": "2050-06-30T00:55:20Z → 2050-07-01T01:10:00Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:14 on the 30th and 05:15 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 13261 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Fuzhou, 2050: Friday 1 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": "2050-07-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hariśayanī Ekādaśī 2050 falls on Friday 1 July. Ekādaśī runs from 08:55 on Thu 30 Jun to 09:10 on Fri 1 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-07-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-07-02",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37280,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-07-02T08:37:27+08:00",
          "utc": "2050-07-02T00:37:27Z",
          "ms": 2540335047416.9917
        },
        "end": {
          "local": "2050-07-03T07:19:37+08:00",
          "utc": "2050-07-02T23:19:37Z",
          "ms": 2540416776988.016
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-02T08:37:27+08:00",
          "utc": "2050-07-02T00:37:27Z",
          "ms": 2540335047416.9917
        },
        "end": {
          "local": "2050-07-03T07:19:37+08:00",
          "utc": "2050-07-02T23:19:37Z",
          "ms": 2540416776988.016
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-07-02",
          "window": {
            "start": {
              "local": "2050-07-02T18:58:47+08:00",
              "utc": "2050-07-02T10:58:47Z",
              "ms": 2540372327328.5356
            },
            "end": {
              "local": "2050-07-02T20:21:00+08:00",
              "utc": "2050-07-02T12:21:00Z",
              "ms": 2540377260174.1777
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "2050-07-03",
          "window": {
            "start": {
              "local": "2050-07-03T18:58:47+08:00",
              "utc": "2050-07-03T10:58:47Z",
              "ms": 2540458726764.52
            },
            "end": {
              "local": "2050-07-03T20:21:03+08:00",
              "utc": "2050-07-03T12:21:03Z",
              "ms": 2540463662727.6245
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:37 on Sat 2 Jul to 07:20 on Sun 3 Jul.",
          "fact": "2050-07-02T00:37:27Z → 2050-07-02T23:19:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 2nd, 18:59–20:21 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 82 of 82 minutes on the 2nd and 0 of 82 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 37280 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Saturday 2 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": "2050-07-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Saturday 2 July. Trayodaśī runs from 08:37 on Sat 2 Jul to 07:20 on Sun 3 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-07-02",
      "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/2050/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-04",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 352,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-07-04T05:21:39+08:00",
          "utc": "2050-07-03T21:21:39Z",
          "ms": 2540496098716.8765
        },
        "end": {
          "local": "2050-07-05T02:51:02+08:00",
          "utc": "2050-07-04T18:51:02Z",
          "ms": 2540573462184.93
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-04T05:21:39+08:00",
          "utc": "2050-07-03T21:21:39Z",
          "ms": 2540496098716.8765
        },
        "end": {
          "local": "2050-07-05T02:51:02+08:00",
          "utc": "2050-07-04T18:51:02Z",
          "ms": 2540573462184.93
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2050-07-04",
          "window": {
            "start": {
              "local": "2050-07-04T05:15:46+08:00",
              "utc": "2050-07-03T21:15:46Z",
              "ms": 2540495746487.8047
            },
            "end": {
              "local": "2050-07-04T08:00:22+08:00",
              "utc": "2050-07-04T00:00:22Z",
              "ms": 2540505622179.5776
            }
          },
          "covered_min": 159,
          "window_min": 165,
          "qualifies": false
        },
        {
          "local_date": "2050-07-05",
          "window": {
            "start": {
              "local": "2050-07-05T05:16:10+08:00",
              "utc": "2050-07-04T21:16:10Z",
              "ms": 2540582169914.246
            },
            "end": {
              "local": "2050-07-05T08:00:40+08:00",
              "utc": "2050-07-05T00:00:40Z",
              "ms": 2540592040305.0737
            }
          },
          "covered_min": 0,
          "window_min": 165,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:22 on Mon 4 Jul to 02:51 on Tue 5 Jul.",
          "fact": "2050-07-03T21:21:39Z → 2050-07-04T18:51:02Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:16–08:00 on the 4th, 05:16–08:01 on the 5th.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 159 of 165 minutes on the 4th and 0 of 165 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither morning qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 352 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Fuzhou, 2050: Monday 4 July.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2050-07-04",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-04",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Vyāsa Pūjā 2050 falls on Monday 4 July. Pūrṇimā runs from 05:22 on Mon 4 Jul to 02:51 on Tue 5 Jul, and reaches the first three muhūrtas after sunrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22897,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-07-04T05:21:39+08:00",
          "utc": "2050-07-03T21:21:39Z",
          "ms": 2540496098716.8765
        },
        "end": {
          "local": "2050-07-05T02:51:02+08:00",
          "utc": "2050-07-04T18:51:02Z",
          "ms": 2540573462184.93
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-04T05:21:39+08:00",
          "utc": "2050-07-03T21:21:39Z",
          "ms": 2540496098716.8765
        },
        "end": {
          "local": "2050-07-05T02:51:02+08:00",
          "utc": "2050-07-04T18:51:02Z",
          "ms": 2540573462184.93
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-07-04",
          "window": {
            "start": {
              "local": "2050-07-04T11:43:16+08:00",
              "utc": "2050-07-04T03:43:16Z",
              "ms": 2540518995717.2373
            },
            "end": {
              "local": "2050-07-04T12:31:16+08:00",
              "utc": "2050-07-04T04:31:16Z",
              "ms": 2540521875717.2373
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-07-05",
          "window": {
            "start": {
              "local": "2050-07-05T11:43:26+08:00",
              "utc": "2050-07-05T03:43:26Z",
              "ms": 2540605405891.3154
            },
            "end": {
              "local": "2050-07-05T12:31:26+08:00",
              "utc": "2050-07-05T04:31:26Z",
              "ms": 2540608285891.3154
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:22 on Mon 4 Jul to 02:51 on Tue 5 Jul.",
          "fact": "2050-07-03T21:21:39Z → 2050-07-04T18:51:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 4th, 11:43–12:31 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22897 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Fuzhou, 2050: Monday 4 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "guru-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Guru Pūrṇimā 2050 falls on Monday 4 July. Pūrṇimā runs from 05:22 on Mon 4 Jul to 02:51 on Tue 5 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28337,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-07-04T05:21:39+08:00",
          "utc": "2050-07-03T21:21:39Z",
          "ms": 2540496098716.8765
        },
        "end": {
          "local": "2050-07-05T02:51:02+08:00",
          "utc": "2050-07-04T18:51:02Z",
          "ms": 2540573462184.93
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-04T05:21:39+08:00",
          "utc": "2050-07-03T21:21:39Z",
          "ms": 2540496098716.8765
        },
        "end": {
          "local": "2050-07-05T02:51:02+08:00",
          "utc": "2050-07-04T18:51:02Z",
          "ms": 2540573462184.93
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2050-07-03",
          "window": {
            "start": {
              "local": "2050-07-03T16:14:06+08:00",
              "utc": "2050-07-03T08:14:06Z",
              "ms": 2540448846145.786
            },
            "end": {
              "local": "2050-07-03T18:58:47+08:00",
              "utc": "2050-07-03T10:58:47Z",
              "ms": 2540458726764.52
            }
          },
          "covered_min": 0,
          "window_min": 165,
          "qualifies": false
        },
        {
          "local_date": "2050-07-04",
          "window": {
            "start": {
              "local": "2050-07-04T16:14:09+08:00",
              "utc": "2050-07-04T08:14:09Z",
              "ms": 2540535249254.8965
            },
            "end": {
              "local": "2050-07-04T18:58:45+08:00",
              "utc": "2050-07-04T10:58:45Z",
              "ms": 2540545124946.6694
            }
          },
          "covered_min": 165,
          "window_min": 165,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:22 on Mon 4 Jul to 02:51 on Tue 5 Jul.",
          "fact": "2050-07-03T21:21:39Z → 2050-07-04T18:51:02Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:59 on the 3rd, 16:14–18:59 on the 4th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 165 minutes on the 3rd and 165 of 165 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28337 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Fuzhou, 2050: Monday 4 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": "2050-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kokilā Vrata 2050 falls on Monday 4 July. Pūrṇimā runs from 05:22 on Mon 4 Jul to 02:51 on Tue 5 Jul and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23398,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-07-04T05:21:39+08:00",
          "utc": "2050-07-03T21:21:39Z",
          "ms": 2540496098716.8765
        },
        "end": {
          "local": "2050-07-05T02:51:02+08:00",
          "utc": "2050-07-04T18:51:02Z",
          "ms": 2540573462184.93
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-04T05:21:39+08:00",
          "utc": "2050-07-03T21:21:39Z",
          "ms": 2540496098716.8765
        },
        "end": {
          "local": "2050-07-05T02:51:02+08:00",
          "utc": "2050-07-04T18:51:02Z",
          "ms": 2540573462184.93
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-07-03",
          "window": {
            "start": {
              "local": "2050-07-03T18:58:47+08:00",
              "utc": "2050-07-03T10:58:47Z",
              "ms": 2540458726764.52
            },
            "end": {
              "local": "2050-07-03T20:21:03+08:00",
              "utc": "2050-07-03T12:21:03Z",
              "ms": 2540463662727.6245
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        },
        {
          "local_date": "2050-07-04",
          "window": {
            "start": {
              "local": "2050-07-04T18:58:45+08:00",
              "utc": "2050-07-04T10:58:45Z",
              "ms": 2540545124946.6694
            },
            "end": {
              "local": "2050-07-04T20:21:04+08:00",
              "utc": "2050-07-04T12:21:04Z",
              "ms": 2540550064275.6797
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:22 on Mon 4 Jul to 02:51 on Tue 5 Jul.",
          "fact": "2050-07-03T21:21:39Z → 2050-07-04T18:51:02Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 3rd, 18:59–20:21 on the 4th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 82 minutes on the 3rd and 82 of 82 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23398 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Fuzhou, 2050: Monday 4 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": "2050-07-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śiva Śayanotsava 2050 falls on Monday 4 July. Pūrṇimā runs from 05:22 on Mon 4 Jul to 02:51 on Tue 5 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2259,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2050-07-05T23:56:42+08:00",
          "utc": "2050-07-05T15:56:42Z",
          "ms": 2540649402082.1797
        },
        "end": {
          "local": "2050-07-06T20:48:12+08:00",
          "utc": "2050-07-06T12:48:12Z",
          "ms": 2540724492234.474
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-05T23:56:42+08:00",
          "utc": "2050-07-05T15:56:42Z",
          "ms": 2540649402082.1797
        },
        "end": {
          "local": "2050-07-06T20:48:12+08:00",
          "utc": "2050-07-06T12:48:12Z",
          "ms": 2540724492234.474
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-07-05",
          "window": {
            "start": {
              "local": "2050-07-05T19:21:04+08:00",
              "utc": "2050-07-05T11:21:04Z",
              "ms": 2540632864091.14
            },
            "end": {
              "local": "2050-07-05T19:21:04+08:00",
              "utc": "2050-07-05T11:21:04Z",
              "ms": 2540632864091.14
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-07-06",
          "window": {
            "start": {
              "local": "2050-07-06T20:10:33+08:00",
              "utc": "2050-07-06T12:10:33Z",
              "ms": 2540722233160.668
            },
            "end": {
              "local": "2050-07-06T20:10:33+08:00",
              "utc": "2050-07-06T12:10:33Z",
              "ms": 2540722233160.668
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 23:57 on Tue 5 Jul to 20:48 on Wed 6 Jul.",
          "fact": "2050-07-05T15:56:42Z → 2050-07-06T12:48:12Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:21 on the 5th and 20:11 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2259 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 2050: Wednesday 6 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata-ashadha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-07-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 2050 falls on Wednesday 6 July. Dvitīyā runs from 23:57 on Tue 5 Jul to 20:48 on Wed 6 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-07-07",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12086,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-07-07T17:35:08+08:00",
          "utc": "2050-07-07T09:35:08Z",
          "ms": 2540799307922.8125
        },
        "end": {
          "local": "2050-07-08T14:26:34+08:00",
          "utc": "2050-07-08T06:26:34Z",
          "ms": 2540874394272.8965
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-07T17:35:08+08:00",
          "utc": "2050-07-07T09:35:08Z",
          "ms": 2540799307922.8125
        },
        "end": {
          "local": "2050-07-08T14:26:34+08:00",
          "utc": "2050-07-08T06:26:34Z",
          "ms": 2540874394272.8965
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-07-07",
          "window": {
            "start": {
              "local": "2050-07-07T20:56:34+08:00",
              "utc": "2050-07-07T12:56:34Z",
              "ms": 2540811394117.295
            },
            "end": {
              "local": "2050-07-07T20:56:34+08:00",
              "utc": "2050-07-07T12:56:34Z",
              "ms": 2540811394117.295
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-07-08",
          "window": {
            "start": {
              "local": "2050-07-08T21:39:55+08:00",
              "utc": "2050-07-08T13:39:55Z",
              "ms": 2540900394718.376
            },
            "end": {
              "local": "2050-07-08T21:39:55+08:00",
              "utc": "2050-07-08T13:39:55Z",
              "ms": 2540900394718.376
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:35 on Thu 7 Jul to 14:27 on Fri 8 Jul.",
          "fact": "2050-07-07T09:35:08Z → 2050-07-08T06:26:34Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:57 on the 7th and 21:40 on the 8th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 7th and is not on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12086 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Thursday 7 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": "2050-07-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Thursday 7 July. Caturthī runs from 17:35 on Thu 7 Jul to 14:27 on Fri 8 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-07-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ekadashi?on=2050-07-14",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8745,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-07-14T02:54:19+08:00",
          "utc": "2050-07-13T18:54:19Z",
          "ms": 2541351259352.6113
        },
        "end": {
          "local": "2050-07-15T02:34:19+08:00",
          "utc": "2050-07-14T18:34:19Z",
          "ms": 2541436459039.9395
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-14T02:54:19+08:00",
          "utc": "2050-07-13T18:54:19Z",
          "ms": 2541351259352.6113
        },
        "end": {
          "local": "2050-07-15T02:34:19+08:00",
          "utc": "2050-07-14T18:34:19Z",
          "ms": 2541436459039.9395
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-07-14",
          "window": {
            "start": {
              "local": "2050-07-14T05:20:04+08:00",
              "utc": "2050-07-13T21:20:04Z",
              "ms": 2541360004146.316
            },
            "end": {
              "local": "2050-07-14T05:20:04+08:00",
              "utc": "2050-07-13T21:20:04Z",
              "ms": 2541360004146.316
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-07-15",
          "window": {
            "start": {
              "local": "2050-07-15T05:20:32+08:00",
              "utc": "2050-07-14T21:20:32Z",
              "ms": 2541446432281.061
            },
            "end": {
              "local": "2050-07-15T05:20:32+08:00",
              "utc": "2050-07-14T21:20:32Z",
              "ms": 2541446432281.061
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:54 on Thu 14 Jul to 02:34 on Fri 15 Jul.",
          "fact": "2050-07-13T18:54:19Z → 2050-07-14T18:34:19Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:20 on the 14th and 05:21 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 8745 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Fuzhou, 2050: Thursday 14 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": "2050-07-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kāmikā Ekādaśī 2050 falls on Thursday 14 July. Ekādaśī runs from 02:54 on Thu 14 Jul to 02:34 on Fri 15 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-07-14",
      "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/2050/pradosha-vrata?on=2050-07-16",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22778,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-07-16T02:39:51+08:00",
          "utc": "2050-07-15T18:39:51Z",
          "ms": 2541523190784.824
        },
        "end": {
          "local": "2050-07-17T03:09:24+08:00",
          "utc": "2050-07-16T19:09:24Z",
          "ms": 2541611363733.6885
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-16T02:39:51+08:00",
          "utc": "2050-07-15T18:39:51Z",
          "ms": 2541523190784.824
        },
        "end": {
          "local": "2050-07-17T03:09:24+08:00",
          "utc": "2050-07-16T19:09:24Z",
          "ms": 2541611363733.6885
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-07-15",
          "window": {
            "start": {
              "local": "2050-07-15T18:57:01+08:00",
              "utc": "2050-07-15T10:57:01Z",
              "ms": 2541495420982.981
            },
            "end": {
              "local": "2050-07-15T20:20:13+08:00",
              "utc": "2050-07-15T12:20:13Z",
              "ms": 2541500412949.043
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "2050-07-16",
          "window": {
            "start": {
              "local": "2050-07-16T18:56:44+08:00",
              "utc": "2050-07-16T10:56:44Z",
              "ms": 2541581803830.3735
            },
            "end": {
              "local": "2050-07-16T20:20:02+08:00",
              "utc": "2050-07-16T12:20:02Z",
              "ms": 2541586801913.9614
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:40 on Sat 16 Jul to 03:09 on Sun 17 Jul.",
          "fact": "2050-07-15T18:39:51Z → 2050-07-16T19:09:24Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:20 on the 15th, 18:57–20:20 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 83 minutes on the 15th and 83 of 83 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 22778 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Saturday 16 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": "2050-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Saturday 16 July. Trayodaśī runs from 02:40 on Sat 16 Jul to 03:09 on Sun 17 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-07-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/shivaratri?on=2050-07-17",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9377,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-07-17T03:09:24+08:00",
          "utc": "2050-07-16T19:09:24Z",
          "ms": 2541611363733.6885
        },
        "end": {
          "local": "2050-07-18T04:01:57+08:00",
          "utc": "2050-07-17T20:01:57Z",
          "ms": 2541700916558.5923
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-17T03:09:24+08:00",
          "utc": "2050-07-16T19:09:24Z",
          "ms": 2541611363733.6885
        },
        "end": {
          "local": "2050-07-18T04:01:57+08:00",
          "utc": "2050-07-17T20:01:57Z",
          "ms": 2541700916558.5923
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-07-16",
          "window": {
            "start": {
              "local": "2050-07-16T23:45:07+08:00",
              "utc": "2050-07-16T15:45:07Z",
              "ms": 2541599106643.827
            },
            "end": {
              "local": "2050-07-17T00:33:07+08:00",
              "utc": "2050-07-16T16:33:07Z",
              "ms": 2541601986643.827
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-07-17",
          "window": {
            "start": {
              "local": "2050-07-17T23:45:12+08:00",
              "utc": "2050-07-17T15:45:12Z",
              "ms": 2541685511911.902
            },
            "end": {
              "local": "2050-07-18T00:33:12+08:00",
              "utc": "2050-07-17T16:33:12Z",
              "ms": 2541688391911.902
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:09 on Sun 17 Jul to 04:02 on Mon 18 Jul.",
          "fact": "2050-07-16T19:09:24Z → 2050-07-17T20:01:57Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 16th, 23:45–00:33 on the 17th.",
          "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 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9377 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Sunday 17 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": "2050-07-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Sunday 17 July. Caturdaśī runs from 03:09 on Sun 17 Jul to 04:02 on Mon 18 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-07-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2408,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2050-07-21T08:50:46+08:00",
          "utc": "2050-07-21T00:50:46Z",
          "ms": 2541977446108.204
        },
        "end": {
          "local": "2050-07-22T11:05:07+08:00",
          "utc": "2050-07-22T03:05:07Z",
          "ms": 2542071907003.4697
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-21T08:50:46+08:00",
          "utc": "2050-07-21T00:50:46Z",
          "ms": 2541977446108.204
        },
        "end": {
          "local": "2050-07-22T11:05:07+08:00",
          "utc": "2050-07-22T03:05:07Z",
          "ms": 2542071907003.4697
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-07-21",
          "window": {
            "start": {
              "local": "2050-07-21T11:45:13+08:00",
              "utc": "2050-07-21T03:45:13Z",
              "ms": 2541987912652.1846
            },
            "end": {
              "local": "2050-07-21T12:33:13+08:00",
              "utc": "2050-07-21T04:33:13Z",
              "ms": 2541990792652.1846
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-07-22",
          "window": {
            "start": {
              "local": "2050-07-22T11:45:15+08:00",
              "utc": "2050-07-22T03:45:15Z",
              "ms": 2542074315058.765
            },
            "end": {
              "local": "2050-07-22T12:33:15+08:00",
              "utc": "2050-07-22T04:33:15Z",
              "ms": 2542077195058.765
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 08:51 on Thu 21 Jul to 11:05 on Fri 22 Jul.",
          "fact": "2050-07-21T00:50:46Z → 2050-07-22T03:05:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 21st, 11:45–12:33 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2408 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Fuzhou, 2050: Thursday 21 July.",
          "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": "2050-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 2050 falls on Thursday 21 July. Tṛtīyā runs from 08:51 on Thu 21 Jul to 11:05 on Fri 22 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vinayaka-chaturthi?on=2050-07-22",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-22",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 2408,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-07-22T11:05:07+08:00",
          "utc": "2050-07-22T03:05:07Z",
          "ms": 2542071907003.4697
        },
        "end": {
          "local": "2050-07-23T13:30:57+08:00",
          "utc": "2050-07-23T05:30:57Z",
          "ms": 2542167057297.263
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-22T11:05:07+08:00",
          "utc": "2050-07-22T03:05:07Z",
          "ms": 2542071907003.4697
        },
        "end": {
          "local": "2050-07-23T13:30:57+08:00",
          "utc": "2050-07-23T05:30:57Z",
          "ms": 2542167057297.263
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-07-22",
          "window": {
            "start": {
              "local": "2050-07-22T11:45:15+08:00",
              "utc": "2050-07-22T03:45:15Z",
              "ms": 2542074315058.765
            },
            "end": {
              "local": "2050-07-22T12:33:15+08:00",
              "utc": "2050-07-22T04:33:15Z",
              "ms": 2542077195058.765
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-07-23",
          "window": {
            "start": {
              "local": "2050-07-23T11:45:17+08:00",
              "utc": "2050-07-23T03:45:17Z",
              "ms": 2542160716882.597
            },
            "end": {
              "local": "2050-07-23T12:33:17+08:00",
              "utc": "2050-07-23T04:33:17Z",
              "ms": 2542163596882.597
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:05 on Fri 22 Jul to 13:31 on Sat 23 Jul.",
          "fact": "2050-07-22T03:05:07Z → 2050-07-23T05:30:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 22nd, 11:45–12:33 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "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 2408 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Friday 22 July.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-07-22",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-23",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Friday 22 July. Caturthī runs from 11:05 on Fri 22 Jul to 13:31 on Sat 23 Jul and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-07-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3460,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2050-07-23T13:30:57+08:00",
          "utc": "2050-07-23T05:30:57Z",
          "ms": 2542167057297.263
        },
        "end": {
          "local": "2050-07-24T15:59:34+08:00",
          "utc": "2050-07-24T07:59:34Z",
          "ms": 2542262373543.8857
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-23T13:30:57+08:00",
          "utc": "2050-07-23T05:30:57Z",
          "ms": 2542167057297.263
        },
        "end": {
          "local": "2050-07-24T15:59:34+08:00",
          "utc": "2050-07-24T07:59:34Z",
          "ms": 2542262373543.8857
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-07-23",
          "window": {
            "start": {
              "local": "2050-07-23T11:45:17+08:00",
              "utc": "2050-07-23T03:45:17Z",
              "ms": 2542160716882.597
            },
            "end": {
              "local": "2050-07-23T12:33:17+08:00",
              "utc": "2050-07-23T04:33:17Z",
              "ms": 2542163596882.597
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-07-24",
          "window": {
            "start": {
              "local": "2050-07-24T11:45:18+08:00",
              "utc": "2050-07-24T03:45:18Z",
              "ms": 2542247118114.5703
            },
            "end": {
              "local": "2050-07-24T12:33:18+08:00",
              "utc": "2050-07-24T04:33:18Z",
              "ms": 2542249998114.5703
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 13:31 on Sat 23 Jul to 16:00 on Sun 24 Jul.",
          "fact": "2050-07-23T05:30:57Z → 2050-07-24T07:59:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 23rd, 11:45–12:33 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3460 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Fuzhou, 2050: Sunday 24 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-07-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-24",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī 2050 falls on Sunday 24 July. Pañcamī runs from 13:31 on Sat 23 Jul to 16:00 on Sun 24 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-07-30",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25970,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-07-29T22:15:06+08:00",
          "utc": "2050-07-29T14:15:06Z",
          "ms": 2542716905674.2725
        },
        "end": {
          "local": "2050-07-30T21:14:55+08:00",
          "utc": "2050-07-30T13:14:55Z",
          "ms": 2542799695497.8086
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-29T22:15:06+08:00",
          "utc": "2050-07-29T14:15:06Z",
          "ms": 2542716905674.2725
        },
        "end": {
          "local": "2050-07-30T21:14:55+08:00",
          "utc": "2050-07-30T13:14:55Z",
          "ms": 2542799695497.8086
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-07-30",
          "window": {
            "start": {
              "local": "2050-07-30T05:27:56+08:00",
              "utc": "2050-07-29T21:27:56Z",
              "ms": 2542742875682.6646
            },
            "end": {
              "local": "2050-07-30T05:27:56+08:00",
              "utc": "2050-07-29T21:27:56Z",
              "ms": 2542742875682.6646
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-07-31",
          "window": {
            "start": {
              "local": "2050-07-31T05:28:26+08:00",
              "utc": "2050-07-30T21:28:26Z",
              "ms": 2542829305537.0547
            },
            "end": {
              "local": "2050-07-31T05:28:26+08:00",
              "utc": "2050-07-30T21:28:26Z",
              "ms": 2542829305537.0547
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:15 on Fri 29 Jul to 21:15 on Sat 30 Jul.",
          "fact": "2050-07-29T14:15:06Z → 2050-07-30T13:14:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:28 on the 30th and 05:28 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 25970 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Fuzhou, 2050: Saturday 30 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": "2050-07-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Putradā Ekādaśī 2050 falls on Saturday 30 July. Ekādaśī runs from 22:15 on Fri 29 Jul to 21:15 on Sat 30 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-07-30",
      "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/2050/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24775,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2050-07-30T21:14:55+08:00",
          "utc": "2050-07-30T13:14:55Z",
          "ms": 2542799695497.8086
        },
        "end": {
          "local": "2050-07-31T19:26:05+08:00",
          "utc": "2050-07-31T11:26:05Z",
          "ms": 2542879564978.482
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-30T21:14:55+08:00",
          "utc": "2050-07-30T13:14:55Z",
          "ms": 2542799695497.8086
        },
        "end": {
          "local": "2050-07-31T19:26:05+08:00",
          "utc": "2050-07-31T11:26:05Z",
          "ms": 2542879564978.482
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-07-30",
          "window": {
            "start": {
              "local": "2050-07-30T11:45:13+08:00",
              "utc": "2050-07-30T03:45:13Z",
              "ms": 2542765512724.0376
            },
            "end": {
              "local": "2050-07-30T12:33:13+08:00",
              "utc": "2050-07-30T04:33:13Z",
              "ms": 2542768392724.0376
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-07-31",
          "window": {
            "start": {
              "local": "2050-07-31T11:45:10+08:00",
              "utc": "2050-07-31T03:45:10Z",
              "ms": 2542851909664.2886
            },
            "end": {
              "local": "2050-07-31T12:33:10+08:00",
              "utc": "2050-07-31T04:33:10Z",
              "ms": 2542854789664.2886
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:15 on Sat 30 Jul to 19:26 on Sun 31 Jul.",
          "fact": "2050-07-30T13:14:55Z → 2050-07-31T11:26:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 30th, 11:45–12:33 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 24775 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Fuzhou, 2050: Sunday 31 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "damodara-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-07-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dāmodara Dvādaśī 2050 falls on Sunday 31 July. Dvādaśī runs from 21:15 on Sat 30 Jul to 19:26 on Sun 31 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/pradosha-vrata?on=2050-07-31",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-07-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2171,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-07-31T19:26:05+08:00",
          "utc": "2050-07-31T11:26:05Z",
          "ms": 2542879564978.482
        },
        "end": {
          "local": "2050-08-01T16:54:44+08:00",
          "utc": "2050-08-01T08:54:44Z",
          "ms": 2542956883690.654
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-07-31T19:26:05+08:00",
          "utc": "2050-07-31T11:26:05Z",
          "ms": 2542879564978.482
        },
        "end": {
          "local": "2050-08-01T16:54:44+08:00",
          "utc": "2050-08-01T08:54:44Z",
          "ms": 2542956883690.654
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-07-31",
          "window": {
            "start": {
              "local": "2050-07-31T18:49:54+08:00",
              "utc": "2050-07-31T10:49:54Z",
              "ms": 2542877393791.5225
            },
            "end": {
              "local": "2050-07-31T20:15:06+08:00",
              "utc": "2050-07-31T12:15:06Z",
              "ms": 2542882505995.2793
            }
          },
          "covered_min": 49,
          "window_min": 85,
          "qualifies": true
        },
        {
          "local_date": "2050-08-01",
          "window": {
            "start": {
              "local": "2050-08-01T18:49:17+08:00",
              "utc": "2050-08-01T10:49:17Z",
              "ms": 2542963756654.598
            },
            "end": {
              "local": "2050-08-01T20:14:38+08:00",
              "utc": "2050-08-01T12:14:38Z",
              "ms": 2542968877769.856
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:26 on Sun 31 Jul to 16:55 on Mon 1 Aug.",
          "fact": "2050-07-31T11:26:05Z → 2050-08-01T08:54:44Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:15 on the 31st, 18:49–20:15 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 49 of 85 minutes on the 31st and 0 of 85 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 2171 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Sunday 31 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-07-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-07-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Sunday 31 July. Trayodaśī runs from 19:26 on Sun 31 Jul to 16:55 on Mon 1 Aug and covers 49 of 85 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-07-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-02",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 17439,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-08-02T13:49:30+08:00",
          "utc": "2050-08-02T05:49:30Z",
          "ms": 2543032169724.247
        },
        "end": {
          "local": "2050-08-03T10:20:33+08:00",
          "utc": "2050-08-03T02:20:33Z",
          "ms": 2543106033371.6855
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2050-08-03T00:07:19+08:00",
          "utc": "2050-08-02T16:07:19Z",
          "ms": 2543069238956.1685
        },
        "end": {
          "local": "2050-08-03T10:20:33+08:00",
          "utc": "2050-08-03T02:20:33Z",
          "ms": 2543106033371.6855
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2050-08-02",
          "window": {
            "start": {
              "local": "2050-08-02T05:29:25+08:00",
              "utc": "2050-08-01T21:29:25Z",
              "ms": 2543002165019.031
            },
            "end": {
              "local": "2050-08-03T05:29:55+08:00",
              "utc": "2050-08-02T21:29:55Z",
              "ms": 2543088594625.605
            }
          },
          "covered_min": 323,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2050-08-03",
          "window": {
            "start": {
              "local": "2050-08-03T05:29:55+08:00",
              "utc": "2050-08-02T21:29:55Z",
              "ms": 2543088594625.605
            },
            "end": {
              "local": "2050-08-04T05:30:24+08:00",
              "utc": "2050-08-03T21:30:24Z",
              "ms": 2543175024131.925
            }
          },
          "covered_min": 291,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:49 on Tue 2 Aug to 10:21 on Wed 3 Aug. Its second half begins at 00:07 on Wed 3 Aug.",
          "fact": "2050-08-02T05:49:30Z → 2050-08-03T02:20:33Z · second half from 2050-08-02T16:07:19Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:29 on the 2nd, and from 05:30 on the 3rd.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The second half of Pūrṇimā must be present during the day. It covers 323 of 1440 minutes on the 2nd and 291 of 1440 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 17439 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Fuzhou, 2050: Tuesday 2 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "raksha-bandhana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "day",
        "priority": "unstated",
        "when_absent": "unstated",
        "half": "second"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-08-02",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 2050 falls on Tuesday 2 August. The second half of Pūrṇimā runs from 00:07 on Wed 3 Aug to 10:21 on Wed 3 Aug and falls on two days: 323 minutes of it on the 2nd, 291 on the 3rd; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4588,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-08-02T13:49:30+08:00",
          "utc": "2050-08-02T05:49:30Z",
          "ms": 2543032169724.247
        },
        "end": {
          "local": "2050-08-03T10:20:33+08:00",
          "utc": "2050-08-03T02:20:33Z",
          "ms": 2543106033371.6855
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-02T13:49:30+08:00",
          "utc": "2050-08-02T05:49:30Z",
          "ms": 2543032169724.247
        },
        "end": {
          "local": "2050-08-03T10:20:33+08:00",
          "utc": "2050-08-03T02:20:33Z",
          "ms": 2543106033371.6855
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-08-02",
          "window": {
            "start": {
              "local": "2050-08-02T11:45:02+08:00",
              "utc": "2050-08-02T03:45:02Z",
              "ms": 2543024701696.393
            },
            "end": {
              "local": "2050-08-02T12:33:02+08:00",
              "utc": "2050-08-02T04:33:02Z",
              "ms": 2543027581696.393
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-08-03",
          "window": {
            "start": {
              "local": "2050-08-03T11:44:57+08:00",
              "utc": "2050-08-03T03:44:57Z",
              "ms": 2543111096797.4307
            },
            "end": {
              "local": "2050-08-03T12:32:57+08:00",
              "utc": "2050-08-03T04:32:57Z",
              "ms": 2543113976797.4307
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:49 on Tue 2 Aug to 10:21 on Wed 3 Aug.",
          "fact": "2050-08-02T05:49:30Z → 2050-08-03T02:20:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 2nd, 11:45–12:33 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 4588 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Fuzhou, 2050: Wednesday 3 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": "2050-08-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Tarpaṇa 2050 falls on Wednesday 3 August. Pūrṇimā runs from 13:49 on Tue 2 Aug to 10:21 on Wed 3 Aug, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26525,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2050-08-04T06:38:50+08:00",
          "utc": "2050-08-03T22:38:50Z",
          "ms": 2543179130119.205
        },
        "end": {
          "local": "2050-08-05T02:55:23+08:00",
          "utc": "2050-08-04T18:55:23Z",
          "ms": 2543252122899.822
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-04T06:38:50+08:00",
          "utc": "2050-08-03T22:38:50Z",
          "ms": 2543179130119.205
        },
        "end": {
          "local": "2050-08-05T02:55:23+08:00",
          "utc": "2050-08-04T18:55:23Z",
          "ms": 2543252122899.822
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-08-03",
          "window": {
            "start": {
              "local": "2050-08-03T18:47:20+08:00",
              "utc": "2050-08-03T10:47:20Z",
              "ms": 2543136440066.863
            },
            "end": {
              "local": "2050-08-03T18:47:20+08:00",
              "utc": "2050-08-03T10:47:20Z",
              "ms": 2543136440066.863
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-08-04",
          "window": {
            "start": {
              "local": "2050-08-04T19:33:18+08:00",
              "utc": "2050-08-04T11:33:18Z",
              "ms": 2543225597609.373
            },
            "end": {
              "local": "2050-08-04T19:33:18+08:00",
              "utc": "2050-08-04T11:33:18Z",
              "ms": 2543225597609.373
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 06:39 on Thu 4 Aug to 02:55 on Fri 5 Aug.",
          "fact": "2050-08-03T22:38:50Z → 2050-08-04T18:55:23Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:47 on the 3rd and 19:33 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 3rd and is on the 4th.",
          "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 26525 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Fuzhou, 2050: Thursday 4 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-08-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aśūnya Śayana Vrata 2050 falls on Thursday 4 August. Dvitīyā runs from 06:39 on Thu 4 Aug to 02:55 on Fri 5 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31762,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2050-08-05T02:55:23+08:00",
          "utc": "2050-08-04T18:55:23Z",
          "ms": 2543252122899.822
        },
        "end": {
          "local": "2050-08-05T23:20:50+08:00",
          "utc": "2050-08-05T15:20:50Z",
          "ms": 2543325650324.0435
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-05T02:55:23+08:00",
          "utc": "2050-08-04T18:55:23Z",
          "ms": 2543252122899.822
        },
        "end": {
          "local": "2050-08-05T23:20:50+08:00",
          "utc": "2050-08-05T15:20:50Z",
          "ms": 2543325650324.0435
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-08-05",
          "window": {
            "start": {
              "local": "2050-08-05T11:44:45+08:00",
              "utc": "2050-08-05T03:44:45Z",
              "ms": 2543283885203.192
            },
            "end": {
              "local": "2050-08-05T12:32:45+08:00",
              "utc": "2050-08-05T04:32:45Z",
              "ms": 2543286765203.192
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-08-06",
          "window": {
            "start": {
              "local": "2050-08-06T11:44:39+08:00",
              "utc": "2050-08-06T03:44:39Z",
              "ms": 2543370278524.0967
            },
            "end": {
              "local": "2050-08-06T12:32:39+08:00",
              "utc": "2050-08-06T04:32:39Z",
              "ms": 2543373158524.0967
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 02:55 on Fri 5 Aug to 23:21 on Fri 5 Aug.",
          "fact": "2050-08-04T18:55:23Z → 2050-08-05T15:20:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 5th, 11:45–12:33 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31762 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Fuzhou, 2050: Friday 5 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": "2050-08-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 2050 falls on Friday 5 August. Tṛtīyā runs from 02:55 on Fri 5 Aug to 23:21 on Fri 5 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-08-05",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3322,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-08-05T23:20:50+08:00",
          "utc": "2050-08-05T15:20:50Z",
          "ms": 2543325650324.0435
        },
        "end": {
          "local": "2050-08-06T20:04:57+08:00",
          "utc": "2050-08-06T12:04:57Z",
          "ms": 2543400297024.1133
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-05T23:20:50+08:00",
          "utc": "2050-08-05T15:20:50Z",
          "ms": 2543325650324.0435
        },
        "end": {
          "local": "2050-08-06T20:04:57+08:00",
          "utc": "2050-08-06T12:04:57Z",
          "ms": 2543400297024.1133
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-08-05",
          "window": {
            "start": {
              "local": "2050-08-05T20:17:16+08:00",
              "utc": "2050-08-05T12:17:16Z",
              "ms": 2543314636444.9697
            },
            "end": {
              "local": "2050-08-05T20:17:16+08:00",
              "utc": "2050-08-05T12:17:16Z",
              "ms": 2543314636444.9697
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-08-06",
          "window": {
            "start": {
              "local": "2050-08-06T21:00:19+08:00",
              "utc": "2050-08-06T13:00:19Z",
              "ms": 2543403618623.142
            },
            "end": {
              "local": "2050-08-06T21:00:19+08:00",
              "utc": "2050-08-06T13:00:19Z",
              "ms": 2543403618623.142
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:21 on Fri 5 Aug to 20:05 on Sat 6 Aug.",
          "fact": "2050-08-05T15:20:50Z → 2050-08-06T12:04:57Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:17 on the 5th and 21:00 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 3322 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Friday 5 August.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-08-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Friday 5 August. Caturthī runs from 23:21 on Fri 5 Aug to 20:05 on Sat 6 Aug, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-08-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4743,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-08-05T23:20:50+08:00",
          "utc": "2050-08-05T15:20:50Z",
          "ms": 2543325650324.0435
        },
        "end": {
          "local": "2050-08-06T20:04:57+08:00",
          "utc": "2050-08-06T12:04:57Z",
          "ms": 2543400297024.1133
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-05T23:20:50+08:00",
          "utc": "2050-08-05T15:20:50Z",
          "ms": 2543325650324.0435
        },
        "end": {
          "local": "2050-08-06T20:04:57+08:00",
          "utc": "2050-08-06T12:04:57Z",
          "ms": 2543400297024.1133
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2050-08-05",
          "window": {
            "start": {
              "local": "2050-08-05T16:07:28+08:00",
              "utc": "2050-08-05T08:07:28Z",
              "ms": 2543299648205.9326
            },
            "end": {
              "local": "2050-08-05T18:46:37+08:00",
              "utc": "2050-08-05T10:46:37Z",
              "ms": 2543309196874.4263
            }
          },
          "covered_min": 0,
          "window_min": 159,
          "qualifies": false
        },
        {
          "local_date": "2050-08-06",
          "window": {
            "start": {
              "local": "2050-08-06T16:07:00+08:00",
              "utc": "2050-08-06T08:07:00Z",
              "ms": 2543386019946.296
            },
            "end": {
              "local": "2050-08-06T18:45:54+08:00",
              "utc": "2050-08-06T10:45:54Z",
              "ms": 2543395554227.762
            }
          },
          "covered_min": 159,
          "window_min": 159,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:21 on Fri 5 Aug to 20:05 on Sat 6 Aug.",
          "fact": "2050-08-05T15:20:50Z → 2050-08-06T12:04:57Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:07–18:47 on the 5th, 16:07–18:46 on the 6th.",
          "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 159 minutes on the 5th and 159 of 159 on the 6th.",
          "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 4743 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Fuzhou, 2050: Saturday 6 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bahula-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)."
          }
        ],
        "kaala": "sayahna",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bahulā Caturthī 2050 falls on Saturday 6 August. Caturthī runs from 23:21 on Fri 5 Aug to 20:05 on Sat 6 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8893,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2050-08-07T17:16:04+08:00",
          "utc": "2050-08-07T09:16:04Z",
          "ms": 2543476563635.2017
        },
        "end": {
          "local": "2050-08-08T15:00:37+08:00",
          "utc": "2050-08-08T07:00:37Z",
          "ms": 2543554836790.765
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-07T17:16:04+08:00",
          "utc": "2050-08-07T09:16:04Z",
          "ms": 2543476563635.2017
        },
        "end": {
          "local": "2050-08-08T15:00:37+08:00",
          "utc": "2050-08-08T07:00:37Z",
          "ms": 2543554836790.765
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-08-07",
          "window": {
            "start": {
              "local": "2050-08-07T11:44:31+08:00",
              "utc": "2050-08-07T03:44:31Z",
              "ms": 2543456671268.1133
            },
            "end": {
              "local": "2050-08-07T12:32:31+08:00",
              "utc": "2050-08-07T04:32:31Z",
              "ms": 2543459551268.1133
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-08-08",
          "window": {
            "start": {
              "local": "2050-08-08T11:44:23+08:00",
              "utc": "2050-08-08T03:44:23Z",
              "ms": 2543543063443.125
            },
            "end": {
              "local": "2050-08-08T12:32:23+08:00",
              "utc": "2050-08-08T04:32:23Z",
              "ms": 2543545943443.125
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 17:16 on Sun 7 Aug to 15:01 on Mon 8 Aug.",
          "fact": "2050-08-07T09:16:04Z → 2050-08-08T07:00:37Z"
        },
        {
          "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": "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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 8893 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Fuzhou, 2050: Monday 8 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "hala-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Hala sasthi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-08-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Hala Ṣaṣṭhī 2050 falls on Monday 8 August. Ṣaṣṭhī runs from 17:16 on Sun 7 Aug to 15:01 on Mon 8 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37306,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-08-09T13:22:43+08:00",
          "utc": "2050-08-09T05:22:43Z",
          "ms": 2543635363197.8975
        },
        "end": {
          "local": "2050-08-10T12:23:55+08:00",
          "utc": "2050-08-10T04:23:55Z",
          "ms": 2543718235055.38
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-09T13:22:43+08:00",
          "utc": "2050-08-09T05:22:43Z",
          "ms": 2543635363197.8975
        },
        "end": {
          "local": "2050-08-10T12:23:55+08:00",
          "utc": "2050-08-10T04:23:55Z",
          "ms": 2543718235055.38
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-08-09",
          "window": {
            "start": {
              "local": "2050-08-09T23:44:29+08:00",
              "utc": "2050-08-09T15:44:29Z",
              "ms": 2543672669447.794
            },
            "end": {
              "local": "2050-08-10T00:32:29+08:00",
              "utc": "2050-08-09T16:32:29Z",
              "ms": 2543675549447.794
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-08-10",
          "window": {
            "start": {
              "local": "2050-08-10T23:44:20+08:00",
              "utc": "2050-08-10T15:44:20Z",
              "ms": 2543759060433.468
            },
            "end": {
              "local": "2050-08-11T00:32:20+08:00",
              "utc": "2050-08-10T16:32:20Z",
              "ms": 2543761940433.468
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 13:23 on Tue 9 Aug to 12:24 on Wed 10 Aug.",
          "fact": "2050-08-09T05:22:43Z → 2050-08-10T04:23:55Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 9th, 23:44–00:32 on the 10th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37306 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Fuzhou, 2050: Tuesday 9 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": "2050-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Janmāṣṭamī 2050 falls on Tuesday 9 August. Aṣṭamī runs from 13:23 on Tue 9 Aug to 12:24 on Wed 10 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3028,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2050-08-08T15:00:37+08:00",
          "utc": "2050-08-08T07:00:37Z",
          "ms": 2543554836790.765
        },
        "end": {
          "local": "2050-08-09T13:22:43+08:00",
          "utc": "2050-08-09T05:22:43Z",
          "ms": 2543635363197.8975
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-08T15:00:37+08:00",
          "utc": "2050-08-08T07:00:37Z",
          "ms": 2543554836790.765
        },
        "end": {
          "local": "2050-08-09T13:22:43+08:00",
          "utc": "2050-08-09T05:22:43Z",
          "ms": 2543635363197.8975
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-08-08",
          "window": {
            "start": {
              "local": "2050-08-08T11:44:23+08:00",
              "utc": "2050-08-08T03:44:23Z",
              "ms": 2543543063443.125
            },
            "end": {
              "local": "2050-08-08T12:32:23+08:00",
              "utc": "2050-08-08T04:32:23Z",
              "ms": 2543545943443.125
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-08-09",
          "window": {
            "start": {
              "local": "2050-08-09T11:44:15+08:00",
              "utc": "2050-08-09T03:44:15Z",
              "ms": 2543629455056.366
            },
            "end": {
              "local": "2050-08-09T12:32:15+08:00",
              "utc": "2050-08-09T04:32:15Z",
              "ms": 2543632335056.366
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 15:01 on Mon 8 Aug to 13:23 on Tue 9 Aug.",
          "fact": "2050-08-08T07:00:37Z → 2050-08-09T05:22:43Z"
        },
        {
          "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": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3028 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Fuzhou, 2050: Tuesday 9 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitala-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 7 Sitala saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śītalā Saptamī 2050 falls on Tuesday 9 August. Saptamī runs from 15:01 on Mon 8 Aug to 13:23 on Tue 9 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-08-13",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24206,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-08-12T12:17:42+08:00",
          "utc": "2050-08-12T04:17:42Z",
          "ms": 2543890662106.8833
        },
        "end": {
          "local": "2050-08-13T13:03:02+08:00",
          "utc": "2050-08-13T05:03:02Z",
          "ms": 2543979782107.9307
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-12T12:17:42+08:00",
          "utc": "2050-08-12T04:17:42Z",
          "ms": 2543890662106.8833
        },
        "end": {
          "local": "2050-08-13T13:03:02+08:00",
          "utc": "2050-08-13T05:03:02Z",
          "ms": 2543979782107.9307
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-08-12",
          "window": {
            "start": {
              "local": "2050-08-12T05:34:16+08:00",
              "utc": "2050-08-11T21:34:16Z",
              "ms": 2543866455866.761
            },
            "end": {
              "local": "2050-08-12T05:34:16+08:00",
              "utc": "2050-08-11T21:34:16Z",
              "ms": 2543866455866.761
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-08-13",
          "window": {
            "start": {
              "local": "2050-08-13T05:34:44+08:00",
              "utc": "2050-08-12T21:34:44Z",
              "ms": 2543952884190.791
            },
            "end": {
              "local": "2050-08-13T05:34:44+08:00",
              "utc": "2050-08-12T21:34:44Z",
              "ms": 2543952884190.791
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:18 on Fri 12 Aug to 13:03 on Sat 13 Aug.",
          "fact": "2050-08-12T04:17:42Z → 2050-08-13T05:03:02Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:34 on the 12th and 05:35 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 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24206 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Fuzhou, 2050: Saturday 13 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": "2050-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ajā Ekādaśī 2050 falls on Saturday 13 August. Ekādaśī runs from 12:18 on Fri 12 Aug to 13:03 on Sat 13 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-08-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-08-14",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10235,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-08-14T14:14:37+08:00",
          "utc": "2050-08-14T06:14:37Z",
          "ms": 2544070477284.8384
        },
        "end": {
          "local": "2050-08-15T15:48:12+08:00",
          "utc": "2050-08-15T07:48:12Z",
          "ms": 2544162491662.214
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-14T14:14:37+08:00",
          "utc": "2050-08-14T06:14:37Z",
          "ms": 2544070477284.8384
        },
        "end": {
          "local": "2050-08-15T15:48:12+08:00",
          "utc": "2050-08-15T07:48:12Z",
          "ms": 2544162491662.214
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-08-14",
          "window": {
            "start": {
              "local": "2050-08-14T18:39:37+08:00",
              "utc": "2050-08-14T10:39:37Z",
              "ms": 2544086377481.006
            },
            "end": {
              "local": "2050-08-14T20:07:06+08:00",
              "utc": "2050-08-14T12:07:06Z",
              "ms": 2544091625860.1714
            }
          },
          "covered_min": 87,
          "window_min": 87,
          "qualifies": true
        },
        {
          "local_date": "2050-08-15",
          "window": {
            "start": {
              "local": "2050-08-15T18:38:46+08:00",
              "utc": "2050-08-15T10:38:46Z",
              "ms": 2544172726243.3057
            },
            "end": {
              "local": "2050-08-15T20:06:25+08:00",
              "utc": "2050-08-15T12:06:25Z",
              "ms": 2544177985160.2793
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:15 on Sun 14 Aug to 15:48 on Mon 15 Aug.",
          "fact": "2050-08-14T06:14:37Z → 2050-08-15T07:48:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:07 on the 14th, 18:39–20:06 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 14th and 0 of 88 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 10235 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Sunday 14 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": "2050-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Sunday 14 August. Trayodaśī runs from 14:15 on Sun 14 Aug to 15:48 on Mon 15 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-08-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3463,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-08-15T15:48:12+08:00",
          "utc": "2050-08-15T07:48:12Z",
          "ms": 2544162491662.214
        },
        "end": {
          "local": "2050-08-16T17:40:11+08:00",
          "utc": "2050-08-16T09:40:11Z",
          "ms": 2544255610792.8286
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-15T15:48:12+08:00",
          "utc": "2050-08-15T07:48:12Z",
          "ms": 2544162491662.214
        },
        "end": {
          "local": "2050-08-16T17:40:11+08:00",
          "utc": "2050-08-16T09:40:11Z",
          "ms": 2544255610792.8286
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-08-15",
          "window": {
            "start": {
              "local": "2050-08-15T18:38:46+08:00",
              "utc": "2050-08-15T10:38:46Z",
              "ms": 2544172726243.3057
            },
            "end": {
              "local": "2050-08-15T20:06:25+08:00",
              "utc": "2050-08-15T12:06:25Z",
              "ms": 2544177985160.2793
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "2050-08-16",
          "window": {
            "start": {
              "local": "2050-08-16T18:37:54+08:00",
              "utc": "2050-08-16T10:37:54Z",
              "ms": 2544259074149.8804
            },
            "end": {
              "local": "2050-08-16T20:05:44+08:00",
              "utc": "2050-08-16T12:05:44Z",
              "ms": 2544264343693.5625
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:48 on Mon 15 Aug to 17:40 on Tue 16 Aug.",
          "fact": "2050-08-15T07:48:12Z → 2050-08-16T09:40:11Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:06 on the 15th, 18:38–20:06 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 15th and 0 of 88 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3463 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Fuzhou, 2050: Monday 15 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aghora-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Aghora caturdasi (pradosa vyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-08-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Aghora Caturdaśī 2050 falls on Monday 15 August. Caturdaśī runs from 15:48 on Mon 15 Aug to 17:40 on Tue 16 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/shivaratri?on=2050-08-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21784,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-08-15T15:48:12+08:00",
          "utc": "2050-08-15T07:48:12Z",
          "ms": 2544162491662.214
        },
        "end": {
          "local": "2050-08-16T17:40:11+08:00",
          "utc": "2050-08-16T09:40:11Z",
          "ms": 2544255610792.8286
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-15T15:48:12+08:00",
          "utc": "2050-08-15T07:48:12Z",
          "ms": 2544162491662.214
        },
        "end": {
          "local": "2050-08-16T17:40:11+08:00",
          "utc": "2050-08-16T09:40:11Z",
          "ms": 2544255610792.8286
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-08-15",
          "window": {
            "start": {
              "local": "2050-08-15T23:43:27+08:00",
              "utc": "2050-08-15T15:43:27Z",
              "ms": 2544191007181.956
            },
            "end": {
              "local": "2050-08-16T00:31:27+08:00",
              "utc": "2050-08-15T16:31:27Z",
              "ms": 2544193887181.956
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-08-16",
          "window": {
            "start": {
              "local": "2050-08-16T23:43:15+08:00",
              "utc": "2050-08-16T15:43:15Z",
              "ms": 2544277394938.6875
            },
            "end": {
              "local": "2050-08-17T00:31:15+08:00",
              "utc": "2050-08-16T16:31:15Z",
              "ms": 2544280274938.6875
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:48 on Mon 15 Aug to 17:40 on Tue 16 Aug.",
          "fact": "2050-08-15T07:48:12Z → 2050-08-16T09:40:11Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 15th, 23:43–00:31 on the 16th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21784 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Monday 15 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": "2050-08-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Monday 15 August. Caturdaśī runs from 15:48 on Mon 15 Aug to 17:40 on Tue 16 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-08-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ekadashi?on=2050-08-29",
      "festival": "ekadashi",
      "name": "Śukla Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5612,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-08-28T09:20:14+08:00",
          "utc": "2050-08-28T01:20:14Z",
          "ms": 2545262413693.847
        },
        "end": {
          "local": "2050-08-29T07:15:24+08:00",
          "utc": "2050-08-28T23:15:24Z",
          "ms": 2545341323684.779
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-28T09:20:14+08:00",
          "utc": "2050-08-28T01:20:14Z",
          "ms": 2545262413693.847
        },
        "end": {
          "local": "2050-08-29T07:15:24+08:00",
          "utc": "2050-08-28T23:15:24Z",
          "ms": 2545341323684.779
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-08-28",
          "window": {
            "start": {
              "local": "2050-08-28T05:41:26+08:00",
              "utc": "2050-08-27T21:41:26Z",
              "ms": 2545249286132.0854
            },
            "end": {
              "local": "2050-08-28T05:41:26+08:00",
              "utc": "2050-08-27T21:41:26Z",
              "ms": 2545249286132.0854
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-08-29",
          "window": {
            "start": {
              "local": "2050-08-29T05:41:51+08:00",
              "utc": "2050-08-28T21:41:51Z",
              "ms": 2545335711346.931
            },
            "end": {
              "local": "2050-08-29T05:41:51+08:00",
              "utc": "2050-08-28T21:41:51Z",
              "ms": 2545335711346.931
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:20 on Sun 28 Aug to 07:15 on Mon 29 Aug.",
          "fact": "2050-08-28T01:20:14Z → 2050-08-28T23:15:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:41 on the 28th and 05:42 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 5612 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Ekādaśī, Fuzhou, 2050: Monday 29 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": "2050-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Ekādaśī 2050 falls on Monday 29 August. Ekādaśī runs from 09:20 on Sun 28 Aug to 07:15 on Mon 29 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-08-29",
      "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/2050/pradosha-vrata?on=2050-08-30",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18829,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-08-30T04:28:40+08:00",
          "utc": "2050-08-29T20:28:40Z",
          "ms": 2545417719675.553
        },
        "end": {
          "local": "2050-08-31T01:08:42+08:00",
          "utc": "2050-08-30T17:08:42Z",
          "ms": 2545492121999.642
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-08-30T04:28:40+08:00",
          "utc": "2050-08-29T20:28:40Z",
          "ms": 2545417719675.553
        },
        "end": {
          "local": "2050-08-31T01:08:42+08:00",
          "utc": "2050-08-30T17:08:42Z",
          "ms": 2545492121999.642
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-08-29",
          "window": {
            "start": {
              "local": "2050-08-29T18:25:28+08:00",
              "utc": "2050-08-29T10:25:28Z",
              "ms": 2545381528491.494
            },
            "end": {
              "local": "2050-08-29T19:55:43+08:00",
              "utc": "2050-08-29T11:55:43Z",
              "ms": 2545386942877.4624
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        },
        {
          "local_date": "2050-08-30",
          "window": {
            "start": {
              "local": "2050-08-30T18:24:27+08:00",
              "utc": "2050-08-30T10:24:27Z",
              "ms": 2545467866660.737
            },
            "end": {
              "local": "2050-08-30T19:54:53+08:00",
              "utc": "2050-08-30T11:54:53Z",
              "ms": 2545473292607.4194
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:29 on Tue 30 Aug to 01:09 on Wed 31 Aug.",
          "fact": "2050-08-29T20:28:40Z → 2050-08-30T17:08:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:56 on the 29th, 18:24–19:55 on the 30th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 29th and 90 of 90 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18829 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Tuesday 30 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Tuesday 30 August. Trayodaśī runs from 04:29 on Tue 30 Aug to 01:09 on Wed 31 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-08-30",
      "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/2050/sankashta-chaturthi?on=2050-09-04",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25921,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-09-04T06:27:02+08:00",
          "utc": "2050-09-03T22:27:02Z",
          "ms": 2545856822272.9785
        },
        "end": {
          "local": "2050-09-05T03:33:33+08:00",
          "utc": "2050-09-04T19:33:33Z",
          "ms": 2545932813017.9688
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-04T06:27:02+08:00",
          "utc": "2050-09-03T22:27:02Z",
          "ms": 2545856822272.9785
        },
        "end": {
          "local": "2050-09-05T03:33:33+08:00",
          "utc": "2050-09-04T19:33:33Z",
          "ms": 2545932813017.9688
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-09-03",
          "window": {
            "start": {
              "local": "2050-09-03T19:36:07+08:00",
              "utc": "2050-09-03T11:36:07Z",
              "ms": 2545817766569.147
            },
            "end": {
              "local": "2050-09-03T19:36:07+08:00",
              "utc": "2050-09-03T11:36:07Z",
              "ms": 2545817766569.147
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-09-04",
          "window": {
            "start": {
              "local": "2050-09-04T20:21:32+08:00",
              "utc": "2050-09-04T12:21:32Z",
              "ms": 2545906892129.4097
            },
            "end": {
              "local": "2050-09-04T20:21:32+08:00",
              "utc": "2050-09-04T12:21:32Z",
              "ms": 2545906892129.4097
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:27 on Sun 4 Sep to 03:34 on Mon 5 Sep.",
          "fact": "2050-09-03T22:27:02Z → 2050-09-04T19:33:33Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:36 on the 3rd and 20:22 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.",
          "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 25921 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Sunday 4 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": "2050-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Sunday 4 September. Caturthī runs from 06:27 on Sun 4 Sep to 03:34 on Mon 5 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-09-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ekadashi?on=2050-09-11",
      "festival": "ekadashi",
      "name": "Kṛṣṇa Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11795,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-09-11T00:48:16+08:00",
          "utc": "2050-09-10T16:48:16Z",
          "ms": 2546441296412.983
        },
        "end": {
          "local": "2050-09-12T02:30:57+08:00",
          "utc": "2050-09-11T18:30:57Z",
          "ms": 2546533856844.8555
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-11T00:48:16+08:00",
          "utc": "2050-09-10T16:48:16Z",
          "ms": 2546441296412.983
        },
        "end": {
          "local": "2050-09-12T02:30:57+08:00",
          "utc": "2050-09-11T18:30:57Z",
          "ms": 2546533856844.8555
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-09-11",
          "window": {
            "start": {
              "local": "2050-09-11T05:47:08+08:00",
              "utc": "2050-09-10T21:47:08Z",
              "ms": 2546459228046.935
            },
            "end": {
              "local": "2050-09-11T05:47:08+08:00",
              "utc": "2050-09-10T21:47:08Z",
              "ms": 2546459228046.935
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-09-12",
          "window": {
            "start": {
              "local": "2050-09-12T05:47:32+08:00",
              "utc": "2050-09-11T21:47:32Z",
              "ms": 2546545652013.096
            },
            "end": {
              "local": "2050-09-12T05:47:32+08:00",
              "utc": "2050-09-11T21:47:32Z",
              "ms": 2546545652013.096
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:48 on Sun 11 Sep to 02:31 on Mon 12 Sep.",
          "fact": "2050-09-10T16:48:16Z → 2050-09-11T18:30:57Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:47 on the 11th and 05:48 on the 12th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11795 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Ekādaśī, Fuzhou, 2050: Sunday 11 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": "2050-09-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Ekādaśī 2050 falls on Sunday 11 September. Ekādaśī runs from 00:48 on Sun 11 Sep to 02:31 on Mon 12 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-09-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-09-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31877,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-09-13T04:34:44+08:00",
          "utc": "2050-09-12T20:34:44Z",
          "ms": 2546627684029.7104
        },
        "end": {
          "local": "2050-09-14T06:52:52+08:00",
          "utc": "2050-09-13T22:52:52Z",
          "ms": 2546722371704.0083
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-13T04:34:44+08:00",
          "utc": "2050-09-12T20:34:44Z",
          "ms": 2546627684029.7104
        },
        "end": {
          "local": "2050-09-14T06:52:52+08:00",
          "utc": "2050-09-13T22:52:52Z",
          "ms": 2546722371704.0083
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-09-12",
          "window": {
            "start": {
              "local": "2050-09-12T18:10:27+08:00",
              "utc": "2050-09-12T10:10:27Z",
              "ms": 2546590226671.2686
            },
            "end": {
              "local": "2050-09-12T19:43:27+08:00",
              "utc": "2050-09-12T11:43:27Z",
              "ms": 2546595806578.7793
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        },
        {
          "local_date": "2050-09-13",
          "window": {
            "start": {
              "local": "2050-09-13T18:09:20+08:00",
              "utc": "2050-09-13T10:09:20Z",
              "ms": 2546676560226.5415
            },
            "end": {
              "local": "2050-09-13T19:42:32+08:00",
              "utc": "2050-09-13T11:42:32Z",
              "ms": 2546682152189.699
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:35 on Tue 13 Sep to 06:53 on Wed 14 Sep.",
          "fact": "2050-09-12T20:34:44Z → 2050-09-13T22:52:52Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:43 on the 12th, 18:09–19:43 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 93 minutes on the 12th and 93 of 93 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31877 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Tuesday 13 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": "2050-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Tuesday 13 September. Trayodaśī runs from 04:35 on Tue 13 Sep to 06:53 on Wed 14 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-09-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/shivaratri?on=2050-09-14",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23402,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-09-14T06:52:52+08:00",
          "utc": "2050-09-13T22:52:52Z",
          "ms": 2546722371704.0083
        },
        "end": {
          "local": "2050-09-15T09:19:27+08:00",
          "utc": "2050-09-15T01:19:27Z",
          "ms": 2546817567445.862
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": true,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-14T06:52:52+08:00",
          "utc": "2050-09-13T22:52:52Z",
          "ms": 2546722371704.0083
        },
        "end": {
          "local": "2050-09-15T09:19:27+08:00",
          "utc": "2050-09-15T01:19:27Z",
          "ms": 2546817567445.862
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-09-13",
          "window": {
            "start": {
              "local": "2050-09-13T23:34:50+08:00",
              "utc": "2050-09-13T15:34:50Z",
              "ms": 2546696090088.383
            },
            "end": {
              "local": "2050-09-14T00:22:50+08:00",
              "utc": "2050-09-13T16:22:50Z",
              "ms": 2546698970088.383
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-09-14",
          "window": {
            "start": {
              "local": "2050-09-14T23:34:29+08:00",
              "utc": "2050-09-14T15:34:29Z",
              "ms": 2546782468793.5977
            },
            "end": {
              "local": "2050-09-15T00:22:29+08:00",
              "utc": "2050-09-14T16:22:29Z",
              "ms": 2546785348793.5977
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:53 on Wed 14 Sep to 09:19 on Thu 15 Sep.",
          "fact": "2050-09-13T22:52:52Z → 2050-09-15T01:19:27Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 13th, 23:34–00:22 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23402 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Wednesday 14 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Wednesday 14 September. Caturdaśī runs from 06:53 on Wed 14 Sep to 09:19 on Thu 15 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-09-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 950,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2050-09-16T11:49:24+08:00",
          "utc": "2050-09-16T03:49:24Z",
          "ms": 2546912963978.029
        },
        "end": {
          "local": "2050-09-17T14:17:49+08:00",
          "utc": "2050-09-17T06:17:49Z",
          "ms": 2547008268780.029
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-16T11:49:24+08:00",
          "utc": "2050-09-16T03:49:24Z",
          "ms": 2546912963978.029
        },
        "end": {
          "local": "2050-09-17T14:17:49+08:00",
          "utc": "2050-09-17T06:17:49Z",
          "ms": 2547008268780.029
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-09-16",
          "window": {
            "start": {
              "local": "2050-09-16T11:33:34+08:00",
              "utc": "2050-09-16T03:33:34Z",
              "ms": 2546912014067.248
            },
            "end": {
              "local": "2050-09-16T12:21:34+08:00",
              "utc": "2050-09-16T04:21:34Z",
              "ms": 2546914894067.248
            }
          },
          "covered_min": 32,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-09-17",
          "window": {
            "start": {
              "local": "2050-09-17T11:33:13+08:00",
              "utc": "2050-09-17T03:33:13Z",
              "ms": 2546998392673.634
            },
            "end": {
              "local": "2050-09-17T12:21:13+08:00",
              "utc": "2050-09-17T04:21:13Z",
              "ms": 2547001272673.634
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 11:49 on Fri 16 Sep to 14:18 on Sat 17 Sep.",
          "fact": "2050-09-16T03:49:24Z → 2050-09-17T06:17:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 16th, 11:33–12:21 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 32 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": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 950 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Fuzhou, 2050: Friday 16 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rudra-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Rudra vrata (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-09-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rudra Vrata 2050 falls on Friday 16 September. Pratipadā runs from 11:49 on Fri 16 Sep to 14:18 on Sat 17 Sep and covers 32 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15515,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2050-09-18T16:39:26+08:00",
          "utc": "2050-09-18T08:39:26Z",
          "ms": 2547103166173.811
        },
        "end": {
          "local": "2050-09-19T18:48:08+08:00",
          "utc": "2050-09-19T10:48:08Z",
          "ms": 2547197288112.9517
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-18T16:39:26+08:00",
          "utc": "2050-09-18T08:39:26Z",
          "ms": 2547103166173.811
        },
        "end": {
          "local": "2050-09-19T18:48:08+08:00",
          "utc": "2050-09-19T10:48:08Z",
          "ms": 2547197288112.9517
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-09-18",
          "window": {
            "start": {
              "local": "2050-09-18T11:32:51+08:00",
              "utc": "2050-09-18T03:32:51Z",
              "ms": 2547084771283.8525
            },
            "end": {
              "local": "2050-09-18T12:20:51+08:00",
              "utc": "2050-09-18T04:20:51Z",
              "ms": 2547087651283.8525
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-09-19",
          "window": {
            "start": {
              "local": "2050-09-19T11:32:30+08:00",
              "utc": "2050-09-19T03:32:30Z",
              "ms": 2547171149914.9673
            },
            "end": {
              "local": "2050-09-19T12:20:30+08:00",
              "utc": "2050-09-19T04:20:30Z",
              "ms": 2547174029914.9673
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 16:39 on Sun 18 Sep to 18:48 on Mon 19 Sep.",
          "fact": "2050-09-18T08:39:26Z → 2050-09-19T10:48:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 18th, 11:32–12:20 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 15515 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Fuzhou, 2050: Monday 19 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": "2050-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 2050 falls on Monday 19 September. Tṛtīyā runs from 16:39 on Sun 18 Sep to 18:48 on Mon 19 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23258,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-09-19T18:48:08+08:00",
          "utc": "2050-09-19T10:48:08Z",
          "ms": 2547197288112.9517
        },
        "end": {
          "local": "2050-09-20T20:36:48+08:00",
          "utc": "2050-09-20T12:36:48Z",
          "ms": 2547290207935.531
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-19T18:48:08+08:00",
          "utc": "2050-09-19T10:48:08Z",
          "ms": 2547197288112.9517
        },
        "end": {
          "local": "2050-09-20T20:36:48+08:00",
          "utc": "2050-09-20T12:36:48Z",
          "ms": 2547290207935.531
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-09-19",
          "window": {
            "start": {
              "local": "2050-09-19T11:32:30+08:00",
              "utc": "2050-09-19T03:32:30Z",
              "ms": 2547171149914.9673
            },
            "end": {
              "local": "2050-09-19T12:20:30+08:00",
              "utc": "2050-09-19T04:20:30Z",
              "ms": 2547174029914.9673
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-09-20",
          "window": {
            "start": {
              "local": "2050-09-20T11:32:09+08:00",
              "utc": "2050-09-20T03:32:09Z",
              "ms": 2547257528584.2256
            },
            "end": {
              "local": "2050-09-20T12:20:09+08:00",
              "utc": "2050-09-20T04:20:09Z",
              "ms": 2547260408584.2256
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:48 on Mon 19 Sep to 20:37 on Tue 20 Sep.",
          "fact": "2050-09-19T10:48:08Z → 2050-09-20T12:36:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 19th, 11:32–12:20 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 23258 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Fuzhou, 2050: Tuesday 20 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": "2050-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gaṇeśa Caturthī 2050 falls on Tuesday 20 September. Caturthī runs from 18:48 on Mon 19 Sep to 20:37 on Tue 20 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29799,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2050-09-20T20:36:48+08:00",
          "utc": "2050-09-20T12:36:48Z",
          "ms": 2547290207935.531
        },
        "end": {
          "local": "2050-09-21T21:57:45+08:00",
          "utc": "2050-09-21T13:57:45Z",
          "ms": 2547381464907.18
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-20T20:36:48+08:00",
          "utc": "2050-09-20T12:36:48Z",
          "ms": 2547290207935.531
        },
        "end": {
          "local": "2050-09-21T21:57:45+08:00",
          "utc": "2050-09-21T13:57:45Z",
          "ms": 2547381464907.18
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-09-20",
          "window": {
            "start": {
              "local": "2050-09-20T11:32:09+08:00",
              "utc": "2050-09-20T03:32:09Z",
              "ms": 2547257528584.2256
            },
            "end": {
              "local": "2050-09-20T12:20:09+08:00",
              "utc": "2050-09-20T04:20:09Z",
              "ms": 2547260408584.2256
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-09-21",
          "window": {
            "start": {
              "local": "2050-09-21T11:31:47+08:00",
              "utc": "2050-09-21T03:31:47Z",
              "ms": 2547343907309.1206
            },
            "end": {
              "local": "2050-09-21T12:19:47+08:00",
              "utc": "2050-09-21T04:19:47Z",
              "ms": 2547346787309.1206
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 20:37 on Tue 20 Sep to 21:58 on Wed 21 Sep.",
          "fact": "2050-09-20T12:36:48Z → 2050-09-21T13:57:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 20th, 11:32–12:20 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 29799 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Fuzhou, 2050: Wednesday 21 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": "2050-09-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ṛṣi Pañcamī 2050 falls on Wednesday 21 September. Pañcamī runs from 20:37 on Tue 20 Sep to 21:58 on Wed 21 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34678,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2050-09-21T21:57:45+08:00",
          "utc": "2050-09-21T13:57:45Z",
          "ms": 2547381464907.18
        },
        "end": {
          "local": "2050-09-22T22:43:37+08:00",
          "utc": "2050-09-22T14:43:37Z",
          "ms": 2547470616787.231
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-21T21:57:45+08:00",
          "utc": "2050-09-21T13:57:45Z",
          "ms": 2547381464907.18
        },
        "end": {
          "local": "2050-09-22T22:43:37+08:00",
          "utc": "2050-09-22T14:43:37Z",
          "ms": 2547470616787.231
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-09-21",
          "window": {
            "start": {
              "local": "2050-09-21T11:31:47+08:00",
              "utc": "2050-09-21T03:31:47Z",
              "ms": 2547343907309.1206
            },
            "end": {
              "local": "2050-09-21T12:19:47+08:00",
              "utc": "2050-09-21T04:19:47Z",
              "ms": 2547346787309.1206
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-09-22",
          "window": {
            "start": {
              "local": "2050-09-22T11:31:26+08:00",
              "utc": "2050-09-22T03:31:26Z",
              "ms": 2547430286107.453
            },
            "end": {
              "local": "2050-09-22T12:19:26+08:00",
              "utc": "2050-09-22T04:19:26Z",
              "ms": 2547433166107.453
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 21:58 on Wed 21 Sep to 22:44 on Thu 22 Sep.",
          "fact": "2050-09-21T13:57:45Z → 2050-09-22T14:43:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 21st, 11:31–12:19 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34678 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 2050: Thursday 22 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": "2050-09-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 2050 falls on Thursday 22 September. Ṣaṣṭhī runs from 21:58 on Wed 21 Sep to 22:44 on Thu 22 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37451,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2050-09-22T22:43:37+08:00",
          "utc": "2050-09-22T14:43:37Z",
          "ms": 2547470616787.231
        },
        "end": {
          "local": "2050-09-23T22:48:26+08:00",
          "utc": "2050-09-23T14:48:26Z",
          "ms": 2547557306234.3555
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-22T22:43:37+08:00",
          "utc": "2050-09-22T14:43:37Z",
          "ms": 2547470616787.231
        },
        "end": {
          "local": "2050-09-23T22:48:26+08:00",
          "utc": "2050-09-23T14:48:26Z",
          "ms": 2547557306234.3555
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-09-22",
          "window": {
            "start": {
              "local": "2050-09-22T11:31:26+08:00",
              "utc": "2050-09-22T03:31:26Z",
              "ms": 2547430286107.453
            },
            "end": {
              "local": "2050-09-22T12:19:26+08:00",
              "utc": "2050-09-22T04:19:26Z",
              "ms": 2547433166107.453
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-09-23",
          "window": {
            "start": {
              "local": "2050-09-23T11:31:05+08:00",
              "utc": "2050-09-23T03:31:05Z",
              "ms": 2547516664997.42
            },
            "end": {
              "local": "2050-09-23T12:19:05+08:00",
              "utc": "2050-09-23T04:19:05Z",
              "ms": 2547519544997.42
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 22:44 on Thu 22 Sep to 22:48 on Fri 23 Sep.",
          "fact": "2050-09-22T14:43:37Z → 2050-09-23T14:48:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 22nd, 11:31–12:19 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 37451 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Fuzhou, 2050: Friday 23 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": "2050-09-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Muktābharaṇa Vrata 2050 falls on Friday 23 September. Saptamī runs from 22:44 on Thu 22 Sep to 22:48 on Fri 23 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35397,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-09-23T22:48:26+08:00",
          "utc": "2050-09-23T14:48:26Z",
          "ms": 2547557306234.3555
        },
        "end": {
          "local": "2050-09-24T22:08:41+08:00",
          "utc": "2050-09-24T14:08:41Z",
          "ms": 2547641320635.1235
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-23T22:48:26+08:00",
          "utc": "2050-09-23T14:48:26Z",
          "ms": 2547557306234.3555
        },
        "end": {
          "local": "2050-09-24T22:08:41+08:00",
          "utc": "2050-09-24T14:08:41Z",
          "ms": 2547641320635.1235
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-09-23",
          "window": {
            "start": {
              "local": "2050-09-23T11:31:05+08:00",
              "utc": "2050-09-23T03:31:05Z",
              "ms": 2547516664997.42
            },
            "end": {
              "local": "2050-09-23T12:19:05+08:00",
              "utc": "2050-09-23T04:19:05Z",
              "ms": 2547519544997.42
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-09-24",
          "window": {
            "start": {
              "local": "2050-09-24T11:30:44+08:00",
              "utc": "2050-09-24T03:30:44Z",
              "ms": 2547603043997.718
            },
            "end": {
              "local": "2050-09-24T12:18:44+08:00",
              "utc": "2050-09-24T04:18:44Z",
              "ms": 2547605923997.718
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 22:48 on Fri 23 Sep to 22:09 on Sat 24 Sep.",
          "fact": "2050-09-23T14:48:26Z → 2050-09-24T14:08:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 23rd, 11:31–12:19 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35397 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Fuzhou, 2050: Saturday 24 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": "2050-09-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rādhāṣṭamī 2050 falls on Saturday 24 September. Aṣṭamī runs from 22:48 on Fri 23 Sep to 22:09 on Sat 24 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-09-27",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35889,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-09-26T18:36:23+08:00",
          "utc": "2050-09-26T10:36:23Z",
          "ms": 2547801383054.88
        },
        "end": {
          "local": "2050-09-27T15:51:46+08:00",
          "utc": "2050-09-27T07:51:46Z",
          "ms": 2547877906143.659
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-26T18:36:23+08:00",
          "utc": "2050-09-26T10:36:23Z",
          "ms": 2547801383054.88
        },
        "end": {
          "local": "2050-09-27T15:51:46+08:00",
          "utc": "2050-09-27T07:51:46Z",
          "ms": 2547877906143.659
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-09-26",
          "window": {
            "start": {
              "local": "2050-09-26T05:53:12+08:00",
              "utc": "2050-09-25T21:53:12Z",
              "ms": 2547755591971.337
            },
            "end": {
              "local": "2050-09-26T05:53:12+08:00",
              "utc": "2050-09-25T21:53:12Z",
              "ms": 2547755591971.337
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-09-27",
          "window": {
            "start": {
              "local": "2050-09-27T05:53:37+08:00",
              "utc": "2050-09-26T21:53:37Z",
              "ms": 2547842017009.082
            },
            "end": {
              "local": "2050-09-27T05:53:37+08:00",
              "utc": "2050-09-26T21:53:37Z",
              "ms": 2547842017009.082
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:36 on Mon 26 Sep to 15:52 on Tue 27 Sep.",
          "fact": "2050-09-26T10:36:23Z → 2050-09-27T07:51:46Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:53 on the 26th and 05:54 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 35889 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Fuzhou, 2050: Tuesday 27 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-09-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Parivartanī Ekādaśī 2050 falls on Tuesday 27 September. Ekādaśī runs from 18:36 on Mon 26 Sep to 15:52 on Tue 27 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-09-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1208,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2050-09-27T15:51:46+08:00",
          "utc": "2050-09-27T07:51:46Z",
          "ms": 2547877906143.659
        },
        "end": {
          "local": "2050-09-28T12:37:30+08:00",
          "utc": "2050-09-28T04:37:30Z",
          "ms": 2547952649549.097
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-27T15:51:46+08:00",
          "utc": "2050-09-27T07:51:46Z",
          "ms": 2547877906143.659
        },
        "end": {
          "local": "2050-09-28T12:37:30+08:00",
          "utc": "2050-09-28T04:37:30Z",
          "ms": 2547952649549.097
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-09-27",
          "window": {
            "start": {
              "local": "2050-09-27T11:29:42+08:00",
              "utc": "2050-09-27T03:29:42Z",
              "ms": 2547862181858.367
            },
            "end": {
              "local": "2050-09-27T12:17:42+08:00",
              "utc": "2050-09-27T04:17:42Z",
              "ms": 2547865061858.367
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-09-28",
          "window": {
            "start": {
              "local": "2050-09-28T11:29:22+08:00",
              "utc": "2050-09-28T03:29:22Z",
              "ms": 2547948561502.6084
            },
            "end": {
              "local": "2050-09-28T12:17:22+08:00",
              "utc": "2050-09-28T04:17:22Z",
              "ms": 2547951441502.6084
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 15:52 on Tue 27 Sep to 12:37 on Wed 28 Sep.",
          "fact": "2050-09-27T07:51:46Z → 2050-09-28T04:37:30Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 27th, 11:29–12:17 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1208 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Fuzhou, 2050: Wednesday 28 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": "2050-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vāmana Jayantī 2050 falls on Wednesday 28 September. Dvādaśī runs from 15:52 on Tue 27 Sep to 12:37 on Wed 28 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/pradosha-vrata?on=2050-09-28",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18911,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-09-28T12:37:30+08:00",
          "utc": "2050-09-28T04:37:30Z",
          "ms": 2547952649549.097
        },
        "end": {
          "local": "2050-09-29T09:02:38+08:00",
          "utc": "2050-09-29T01:02:38Z",
          "ms": 2548026158467.1094
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-28T12:37:30+08:00",
          "utc": "2050-09-28T04:37:30Z",
          "ms": 2547952649549.097
        },
        "end": {
          "local": "2050-09-29T09:02:38+08:00",
          "utc": "2050-09-29T01:02:38Z",
          "ms": 2548026158467.1094
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-09-28",
          "window": {
            "start": {
              "local": "2050-09-28T17:52:41+08:00",
              "utc": "2050-09-28T09:52:41Z",
              "ms": 2547971560788.0537
            },
            "end": {
              "local": "2050-09-28T19:28:55+08:00",
              "utc": "2050-09-28T11:28:55Z",
              "ms": 2547977335031.3823
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        },
        {
          "local_date": "2050-09-29",
          "window": {
            "start": {
              "local": "2050-09-29T17:51:35+08:00",
              "utc": "2050-09-29T09:51:35Z",
              "ms": 2548057895114.6577
            },
            "end": {
              "local": "2050-09-29T19:28:02+08:00",
              "utc": "2050-09-29T11:28:02Z",
              "ms": 2548063681528.1064
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:37 on Wed 28 Sep to 09:03 on Thu 29 Sep.",
          "fact": "2050-09-28T04:37:30Z → 2050-09-29T01:02:38Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:29 on the 28th, 17:52–19:28 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 28th and 0 of 96 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18911 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Wednesday 28 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Wednesday 28 September. Trayodaśī runs from 12:37 on Wed 28 Sep to 09:03 on Thu 29 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-09-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-09-29",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2257,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-09-29T09:02:38+08:00",
          "utc": "2050-09-29T01:02:38Z",
          "ms": 2548026158467.1094
        },
        "end": {
          "local": "2050-09-30T05:17:16+08:00",
          "utc": "2050-09-29T21:17:16Z",
          "ms": 2548099035721.1855
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-09-29T09:02:38+08:00",
          "utc": "2050-09-29T01:02:38Z",
          "ms": 2548026158467.1094
        },
        "end": {
          "local": "2050-09-30T05:17:16+08:00",
          "utc": "2050-09-29T21:17:16Z",
          "ms": 2548099035721.1855
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2050-09-29",
          "window": {
            "start": {
              "local": "2050-09-29T05:54:28+08:00",
              "utc": "2050-09-28T21:54:28Z",
              "ms": 2548014867613.018
            },
            "end": {
              "local": "2050-09-29T08:17:53+08:00",
              "utc": "2050-09-29T00:17:53Z",
              "ms": 2548023473113.346
            }
          },
          "covered_min": 0,
          "window_min": 143,
          "qualifies": false
        },
        {
          "local_date": "2050-09-30",
          "window": {
            "start": {
              "local": "2050-09-30T05:54:53+08:00",
              "utc": "2050-09-29T21:54:53Z",
              "ms": 2548101293215.524
            },
            "end": {
              "local": "2050-09-30T08:18:01+08:00",
              "utc": "2050-09-30T00:18:01Z",
              "ms": 2548109880516.0244
            }
          },
          "covered_min": 0,
          "window_min": 143,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 09:03 on Thu 29 Sep to 05:17 on Fri 30 Sep.",
          "fact": "2050-09-29T01:02:38Z → 2050-09-29T21:17:16Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:54–08:18 on the 29th, 05:55–08:18 on the 30th.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 143 minutes on the 29th and 0 of 143 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither morning qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2257 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Fuzhou, 2050: Thursday 29 September.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananta-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.",
        "kaala": "udaya-3",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-09-29",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-09-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Ananta Caturdaśī 2050 falls on Thursday 29 September. Caturdaśī runs from 09:03 on Thu 29 Sep to 05:17 on Fri 30 Sep, and reaches the first three muhūrtas after sunrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-10-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13690,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-10-03T15:58:39+08:00",
          "utc": "2050-10-03T07:58:39Z",
          "ms": 2548396718834.6406
        },
        "end": {
          "local": "2050-10-04T13:52:31+08:00",
          "utc": "2050-10-04T05:52:31Z",
          "ms": 2548475551425.2734
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-03T15:58:39+08:00",
          "utc": "2050-10-03T07:58:39Z",
          "ms": 2548396718834.6406
        },
        "end": {
          "local": "2050-10-04T13:52:31+08:00",
          "utc": "2050-10-04T05:52:31Z",
          "ms": 2548475551425.2734
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-10-03",
          "window": {
            "start": {
              "local": "2050-10-03T19:46:49+08:00",
              "utc": "2050-10-03T11:46:49Z",
              "ms": 2548410409311.171
            },
            "end": {
              "local": "2050-10-03T19:46:49+08:00",
              "utc": "2050-10-03T11:46:49Z",
              "ms": 2548410409311.171
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-10-04",
          "window": {
            "start": {
              "local": "2050-10-04T20:38:40+08:00",
              "utc": "2050-10-04T12:38:40Z",
              "ms": 2548499920395.3364
            },
            "end": {
              "local": "2050-10-04T20:38:40+08:00",
              "utc": "2050-10-04T12:38:40Z",
              "ms": 2548499920395.3364
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:59 on Mon 3 Oct to 13:53 on Tue 4 Oct.",
          "fact": "2050-10-03T07:58:39Z → 2050-10-04T05:52:31Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:47 on the 3rd and 20:39 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.",
          "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 13690 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Monday 3 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": "2050-10-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Monday 3 October. Caturthī runs from 15:59 on Mon 3 Oct to 13:53 on Tue 4 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-10-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32506,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2050-10-05T12:30:27+08:00",
          "utc": "2050-10-05T04:30:27Z",
          "ms": 2548557026794.1196
        },
        "end": {
          "local": "2050-10-06T11:55:48+08:00",
          "utc": "2050-10-06T03:55:48Z",
          "ms": 2548641347795.5015
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-05T12:30:27+08:00",
          "utc": "2050-10-05T04:30:27Z",
          "ms": 2548557026794.1196
        },
        "end": {
          "local": "2050-10-06T11:55:48+08:00",
          "utc": "2050-10-06T03:55:48Z",
          "ms": 2548641347795.5015
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-10-05",
          "window": {
            "start": {
              "local": "2050-10-05T21:32:12+08:00",
              "utc": "2050-10-05T13:32:12Z",
              "ms": 2548589532495.5625
            },
            "end": {
              "local": "2050-10-05T21:32:12+08:00",
              "utc": "2050-10-05T13:32:12Z",
              "ms": 2548589532495.5625
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-10-06",
          "window": {
            "start": {
              "local": "2050-10-06T22:26:34+08:00",
              "utc": "2050-10-06T14:26:34Z",
              "ms": 2548679194014.4785
            },
            "end": {
              "local": "2050-10-06T22:26:34+08:00",
              "utc": "2050-10-06T14:26:34Z",
              "ms": 2548679194014.4785
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:30 on Wed 5 Oct to 11:56 on Thu 6 Oct.",
          "fact": "2050-10-05T04:30:27Z → 2050-10-06T03:55:48Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:32 on the 5th and 22:27 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32506 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Fuzhou, 2050: Wednesday 5 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chandra-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Candra Ṣaṣṭhī 2050 falls on Wednesday 5 October. Ṣaṣṭhī runs from 12:30 on Wed 5 Oct to 11:56 on Thu 6 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16556,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-10-07T12:08:46+08:00",
          "utc": "2050-10-07T04:08:46Z",
          "ms": 2548728525553.9316
        },
        "end": {
          "local": "2050-10-08T13:06:04+08:00",
          "utc": "2050-10-08T05:06:04Z",
          "ms": 2548818364150.8877
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-07T12:08:46+08:00",
          "utc": "2050-10-07T04:08:46Z",
          "ms": 2548728525553.9316
        },
        "end": {
          "local": "2050-10-08T13:06:04+08:00",
          "utc": "2050-10-08T05:06:04Z",
          "ms": 2548818364150.8877
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-10-07",
          "window": {
            "start": {
              "local": "2050-10-07T17:43:02+08:00",
              "utc": "2050-10-07T09:43:02Z",
              "ms": 2548748582291.4595
            },
            "end": {
              "local": "2050-10-07T19:21:06+08:00",
              "utc": "2050-10-07T11:21:06Z",
              "ms": 2548754465686.1396
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2050-10-08",
          "window": {
            "start": {
              "local": "2050-10-08T17:42:00+08:00",
              "utc": "2050-10-08T09:42:00Z",
              "ms": 2548834920210.7793
            },
            "end": {
              "local": "2050-10-08T19:20:16+08:00",
              "utc": "2050-10-08T11:20:16Z",
              "ms": 2548840815652.185
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 12:09 on Fri 7 Oct to 13:06 on Sat 8 Oct.",
          "fact": "2050-10-07T04:08:46Z → 2050-10-08T05:06:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:43–19:21 on the 7th, 17:42–19:20 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 98 of 98 minutes on the 7th and 0 of 98 on the 8th.",
          "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 16556 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Fuzhou, 2050: Friday 7 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 2050 falls on Friday 7 October. Aṣṭamī runs from 12:09 on Fri 7 Oct to 13:06 on Sat 8 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40096,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-10-07T12:08:46+08:00",
          "utc": "2050-10-07T04:08:46Z",
          "ms": 2548728525553.9316
        },
        "end": {
          "local": "2050-10-08T13:06:04+08:00",
          "utc": "2050-10-08T05:06:04Z",
          "ms": 2548818364150.8877
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-07T12:08:46+08:00",
          "utc": "2050-10-07T04:08:46Z",
          "ms": 2548728525553.9316
        },
        "end": {
          "local": "2050-10-08T13:06:04+08:00",
          "utc": "2050-10-08T05:06:04Z",
          "ms": 2548818364150.8877
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-10-07",
          "window": {
            "start": {
              "local": "2050-10-07T23:20:50+08:00",
              "utc": "2050-10-07T15:20:50Z",
              "ms": 2548768850428.7104
            },
            "end": {
              "local": "2050-10-07T23:20:50+08:00",
              "utc": "2050-10-07T15:20:50Z",
              "ms": 2548768850428.7104
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-10-08",
          "window": {
            "start": {
              "local": "2050-10-09T00:14:21+08:00",
              "utc": "2050-10-08T16:14:21Z",
              "ms": 2548858460564.8257
            },
            "end": {
              "local": "2050-10-09T00:14:21+08:00",
              "utc": "2050-10-08T16:14:21Z",
              "ms": 2548858460564.8257
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 12:09 on Fri 7 Oct to 13:06 on Sat 8 Oct.",
          "fact": "2050-10-07T04:08:46Z → 2050-10-08T05:06:04Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:21 on the 7th and 00:14 on the 8th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 7th and is not on the 8th.",
          "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 40096 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 2050: Friday 7 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 2050 falls on Friday 7 October. Aṣṭamī runs from 12:09 on Fri 7 Oct to 13:06 on Sat 8 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-10-11",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38760,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-10-10T16:45:25+08:00",
          "utc": "2050-10-10T08:45:25Z",
          "ms": 2549004325095.476
        },
        "end": {
          "local": "2050-10-11T19:08:29+08:00",
          "utc": "2050-10-11T11:08:29Z",
          "ms": 2549099309182.9365
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-10T16:45:25+08:00",
          "utc": "2050-10-10T08:45:25Z",
          "ms": 2549004325095.476
        },
        "end": {
          "local": "2050-10-11T19:08:29+08:00",
          "utc": "2050-10-11T11:08:29Z",
          "ms": 2549099309182.9365
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-10-10",
          "window": {
            "start": {
              "local": "2050-10-10T05:59:25+08:00",
              "utc": "2050-10-09T21:59:25Z",
              "ms": 2548965564654.663
            },
            "end": {
              "local": "2050-10-10T05:59:25+08:00",
              "utc": "2050-10-09T21:59:25Z",
              "ms": 2548965564654.663
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-10-11",
          "window": {
            "start": {
              "local": "2050-10-11T05:59:54+08:00",
              "utc": "2050-10-10T21:59:54Z",
              "ms": 2549051993660.902
            },
            "end": {
              "local": "2050-10-11T05:59:54+08:00",
              "utc": "2050-10-10T21:59:54Z",
              "ms": 2549051993660.902
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:45 on Mon 10 Oct to 19:08 on Tue 11 Oct.",
          "fact": "2050-10-10T08:45:25Z → 2050-10-11T11:08:29Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:59 on the 10th and 06:00 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 38760 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Fuzhou, 2050: Tuesday 11 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": "2050-10-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Indirā Ekādaśī 2050 falls on Tuesday 11 October. Ekādaśī runs from 16:45 on Mon 10 Oct to 19:08 on Tue 11 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-10-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-10-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8607,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-10-12T21:40:28+08:00",
          "utc": "2050-10-12T13:40:28Z",
          "ms": 2549194827517.0728
        },
        "end": {
          "local": "2050-10-14T00:12:26+08:00",
          "utc": "2050-10-13T16:12:26Z",
          "ms": 2549290345841.6973
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-12T21:40:28+08:00",
          "utc": "2050-10-12T13:40:28Z",
          "ms": 2549194827517.0728
        },
        "end": {
          "local": "2050-10-14T00:12:26+08:00",
          "utc": "2050-10-13T16:12:26Z",
          "ms": 2549290345841.6973
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-10-12",
          "window": {
            "start": {
              "local": "2050-10-12T17:37:58+08:00",
              "utc": "2050-10-12T09:37:58Z",
              "ms": 2549180277593.9355
            },
            "end": {
              "local": "2050-10-12T19:17:01+08:00",
              "utc": "2050-10-12T11:17:01Z",
              "ms": 2549186220958.112
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        },
        {
          "local_date": "2050-10-13",
          "window": {
            "start": {
              "local": "2050-10-13T17:36:58+08:00",
              "utc": "2050-10-13T09:36:58Z",
              "ms": 2549266618496.837
            },
            "end": {
              "local": "2050-10-13T19:16:14+08:00",
              "utc": "2050-10-13T11:16:14Z",
              "ms": 2549272573763.6504
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:40 on Wed 12 Oct to 00:12 on Fri 14 Oct.",
          "fact": "2050-10-12T13:40:28Z → 2050-10-13T16:12:26Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:38–19:17 on the 12th, 17:37–19:16 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 12th and 99 of 99 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8607 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Thursday 13 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Thursday 13 October. Trayodaśī runs from 21:40 on Wed 12 Oct to 00:12 on Fri 14 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-10-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/shivaratri?on=2050-10-14",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-14",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 45,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-10-14T00:12:26+08:00",
          "utc": "2050-10-13T16:12:26Z",
          "ms": 2549290345841.6973
        },
        "end": {
          "local": "2050-10-15T02:37:05+08:00",
          "utc": "2050-10-14T18:37:05Z",
          "ms": 2549385425349.2407
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-14T00:12:26+08:00",
          "utc": "2050-10-13T16:12:26Z",
          "ms": 2549290345841.6973
        },
        "end": {
          "local": "2050-10-15T02:37:05+08:00",
          "utc": "2050-10-14T18:37:05Z",
          "ms": 2549385425349.2407
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-10-13",
          "window": {
            "start": {
              "local": "2050-10-13T23:25:11+08:00",
              "utc": "2050-10-13T15:25:11Z",
              "ms": 2549287510747.388
            },
            "end": {
              "local": "2050-10-14T00:13:11+08:00",
              "utc": "2050-10-13T16:13:11Z",
              "ms": 2549290390747.388
            }
          },
          "covered_min": 1,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-10-14",
          "window": {
            "start": {
              "local": "2050-10-14T23:24:57+08:00",
              "utc": "2050-10-14T15:24:57Z",
              "ms": 2549373896823.059
            },
            "end": {
              "local": "2050-10-15T00:12:57+08:00",
              "utc": "2050-10-14T16:12:57Z",
              "ms": 2549376776823.059
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:12 on Fri 14 Oct to 02:37 on Sat 15 Oct.",
          "fact": "2050-10-13T16:12:26Z → 2050-10-14T18:37:05Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 13th, 23:25–00:13 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 1 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 45 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Friday 14 October.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-14",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-14",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Friday 14 October. Caturdaśī runs from 00:12 on Fri 14 Oct to 02:37 on Sat 15 Oct and covers all of niśītha that night. It also reaches the previous night for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 45 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-10-14",
      "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/2050/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29323,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2050-10-15T02:37:05+08:00",
          "utc": "2050-10-14T18:37:05Z",
          "ms": 2549385425349.2407
        },
        "end": {
          "local": "2050-10-16T04:48:42+08:00",
          "utc": "2050-10-15T20:48:42Z",
          "ms": 2549479722009.246
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-15T02:37:05+08:00",
          "utc": "2050-10-14T18:37:05Z",
          "ms": 2549385425349.2407
        },
        "end": {
          "local": "2050-10-16T04:48:42+08:00",
          "utc": "2050-10-15T20:48:42Z",
          "ms": 2549479722009.246
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2050-10-15",
          "window": {
            "start": {
              "local": "2050-10-15T12:57:47+08:00",
              "utc": "2050-10-15T04:57:47Z",
              "ms": 2549422666838.2974
            },
            "end": {
              "local": "2050-10-15T15:16:25+08:00",
              "utc": "2050-10-15T07:16:25Z",
              "ms": 2549430984593.522
            }
          },
          "covered_min": 139,
          "window_min": 139,
          "qualifies": true
        },
        {
          "local_date": "2050-10-16",
          "window": {
            "start": {
              "local": "2050-10-16T12:57:25+08:00",
              "utc": "2050-10-16T04:57:25Z",
              "ms": 2549509045030.086
            },
            "end": {
              "local": "2050-10-16T15:15:45+08:00",
              "utc": "2050-10-16T07:15:45Z",
              "ms": 2549517345188.606
            }
          },
          "covered_min": 0,
          "window_min": 138,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 02:37 on Sat 15 Oct to 04:49 on Sun 16 Oct.",
          "fact": "2050-10-14T18:37:05Z → 2050-10-15T20:48:42Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:58–15:16 on the 15th, 12:57–15:16 on the 16th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 139 of 139 minutes on the 15th and 0 of 138 on the 16th.",
          "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 29323 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Fuzhou, 2050: Saturday 15 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalaya-amavasya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Mahalaya amavasya (aparahnavyapini)"
          }
        ],
        "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.",
        "kaala": "aparahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahālaya Amāvāsyā 2050 falls on Saturday 15 October. Amāvasyā runs from 02:37 on Sat 15 Oct to 04:49 on Sun 16 Oct and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16877,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2050-10-16T04:48:42+08:00",
          "utc": "2050-10-15T20:48:42Z",
          "ms": 2549479722009.246
        },
        "end": {
          "local": "2050-10-17T06:42:45+08:00",
          "utc": "2050-10-16T22:42:45Z",
          "ms": 2549572965144.9395
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-16T04:48:42+08:00",
          "utc": "2050-10-15T20:48:42Z",
          "ms": 2549479722009.246
        },
        "end": {
          "local": "2050-10-17T06:42:45+08:00",
          "utc": "2050-10-16T22:42:45Z",
          "ms": 2549572965144.9395
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-10-16",
          "window": {
            "start": {
              "local": "2050-10-16T11:24:15+08:00",
              "utc": "2050-10-16T03:24:15Z",
              "ms": 2549503454950.826
            },
            "end": {
              "local": "2050-10-16T12:12:15+08:00",
              "utc": "2050-10-16T04:12:15Z",
              "ms": 2549506334950.826
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-10-17",
          "window": {
            "start": {
              "local": "2050-10-17T11:24:03+08:00",
              "utc": "2050-10-17T03:24:03Z",
              "ms": 2549589842520.482
            },
            "end": {
              "local": "2050-10-17T12:12:03+08:00",
              "utc": "2050-10-17T04:12:03Z",
              "ms": 2549592722520.482
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 04:49 on Sun 16 Oct to 06:43 on Mon 17 Oct.",
          "fact": "2050-10-15T20:48:42Z → 2050-10-16T22:42:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 16th, 11:24–12:12 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16877 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Fuzhou, 2050: Sunday 16 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Navarātrārambha (Navratri) 2050 falls on Sunday 16 October. Pratipadā runs from 04:49 on Sun 16 Oct to 06:43 on Mon 17 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vinayaka-chaturthi?on=2050-10-19",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4790,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-10-19T09:23:30+08:00",
          "utc": "2050-10-19T01:23:30Z",
          "ms": 2549755410333.9663
        },
        "end": {
          "local": "2050-10-20T10:03:39+08:00",
          "utc": "2050-10-20T02:03:39Z",
          "ms": 2549844218522.451
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-19T09:23:30+08:00",
          "utc": "2050-10-19T01:23:30Z",
          "ms": 2549755410333.9663
        },
        "end": {
          "local": "2050-10-20T10:03:39+08:00",
          "utc": "2050-10-20T02:03:39Z",
          "ms": 2549844218522.451
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-10-19",
          "window": {
            "start": {
              "local": "2050-10-19T11:23:39+08:00",
              "utc": "2050-10-19T03:23:39Z",
              "ms": 2549762619453.405
            },
            "end": {
              "local": "2050-10-19T12:11:39+08:00",
              "utc": "2050-10-19T04:11:39Z",
              "ms": 2549765499453.405
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-10-20",
          "window": {
            "start": {
              "local": "2050-10-20T11:23:29+08:00",
              "utc": "2050-10-20T03:23:29Z",
              "ms": 2549849008843.3145
            },
            "end": {
              "local": "2050-10-20T12:11:29+08:00",
              "utc": "2050-10-20T04:11:29Z",
              "ms": 2549851888843.3145
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:24 on Wed 19 Oct to 10:04 on Thu 20 Oct.",
          "fact": "2050-10-19T01:23:30Z → 2050-10-20T02:03:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 19th, 11:23–12:11 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4790 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Wednesday 19 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Wednesday 19 October. Caturthī runs from 09:24 on Wed 19 Oct to 10:04 on Thu 20 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-10-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7228,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2050-10-22T09:49:35+08:00",
          "utc": "2050-10-22T01:49:35Z",
          "ms": 2550016174600.665
        },
        "end": {
          "local": "2050-10-23T08:52:08+08:00",
          "utc": "2050-10-23T00:52:08Z",
          "ms": 2550099127968.018
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-22T09:49:35+08:00",
          "utc": "2050-10-22T01:49:35Z",
          "ms": 2550016174600.665
        },
        "end": {
          "local": "2050-10-23T08:52:08+08:00",
          "utc": "2050-10-23T00:52:08Z",
          "ms": 2550099127968.018
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2050-10-22",
          "window": {
            "start": {
              "local": "2050-10-22T06:05:39+08:00",
              "utc": "2050-10-21T22:05:39Z",
              "ms": 2550002739193.3486
            },
            "end": {
              "local": "2050-10-22T06:51:11+08:00",
              "utc": "2050-10-21T22:51:11Z",
              "ms": 2550005471238.923
            }
          },
          "covered_min": 0,
          "window_min": 46,
          "qualifies": false
        },
        {
          "local_date": "2050-10-23",
          "window": {
            "start": {
              "local": "2050-10-23T06:06:13+08:00",
              "utc": "2050-10-22T22:06:13Z",
              "ms": 2550089173110.824
            },
            "end": {
              "local": "2050-10-23T06:51:39+08:00",
              "utc": "2050-10-22T22:51:39Z",
              "ms": 2550091899477.7974
            }
          },
          "covered_min": 45,
          "window_min": 45,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 09:50 on Sat 22 Oct to 08:52 on Sun 23 Oct.",
          "fact": "2050-10-22T01:49:35Z → 2050-10-23T00:52:08Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:06–06:51 on the 22nd, 06:06–06:52 on the 23rd.",
          "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 46 minutes on the 22nd and 45 of 45 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7228 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Fuzhou, 2050: Sunday 23 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": "2050-10-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Saptamī 2050 falls on Sunday 23 October. Saptamī runs from 09:50 on Sat 22 Oct to 08:52 on Sun 23 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9053,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-10-23T08:52:08+08:00",
          "utc": "2050-10-23T00:52:08Z",
          "ms": 2550099127968.018
        },
        "end": {
          "local": "2050-10-24T07:21:08+08:00",
          "utc": "2050-10-23T23:21:08Z",
          "ms": 2550180067996.416
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-23T08:52:08+08:00",
          "utc": "2050-10-23T00:52:08Z",
          "ms": 2550099127968.018
        },
        "end": {
          "local": "2050-10-24T07:21:08+08:00",
          "utc": "2050-10-23T23:21:08Z",
          "ms": 2550180067996.416
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-10-23",
          "window": {
            "start": {
              "local": "2050-10-23T11:23:01+08:00",
              "utc": "2050-10-23T03:23:01Z",
              "ms": 2550108180863.123
            },
            "end": {
              "local": "2050-10-23T12:11:01+08:00",
              "utc": "2050-10-23T04:11:01Z",
              "ms": 2550111060863.123
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-10-24",
          "window": {
            "start": {
              "local": "2050-10-24T11:22:53+08:00",
              "utc": "2050-10-24T03:22:53Z",
              "ms": 2550194572863.5244
            },
            "end": {
              "local": "2050-10-24T12:10:53+08:00",
              "utc": "2050-10-24T04:10:53Z",
              "ms": 2550197452863.5244
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 08:52 on Sun 23 Oct to 07:21 on Mon 24 Oct.",
          "fact": "2050-10-23T00:52:08Z → 2050-10-23T23:21:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 23rd, 11:23–12:11 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9053 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Fuzhou, 2050: Sunday 23 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Mahastami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 2050 falls on Sunday 23 October. Aṣṭamī runs from 08:52 on Sun 23 Oct to 07:21 on Mon 24 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14505,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2050-10-24T07:21:08+08:00",
          "utc": "2050-10-23T23:21:08Z",
          "ms": 2550180067996.416
        },
        "end": {
          "local": "2050-10-25T05:18:42+08:00",
          "utc": "2050-10-24T21:18:42Z",
          "ms": 2550259121792.048
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-24T07:21:08+08:00",
          "utc": "2050-10-23T23:21:08Z",
          "ms": 2550180067996.416
        },
        "end": {
          "local": "2050-10-25T05:18:42+08:00",
          "utc": "2050-10-24T21:18:42Z",
          "ms": 2550259121792.048
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-10-24",
          "window": {
            "start": {
              "local": "2050-10-24T11:22:53+08:00",
              "utc": "2050-10-24T03:22:53Z",
              "ms": 2550194572863.5244
            },
            "end": {
              "local": "2050-10-24T12:10:53+08:00",
              "utc": "2050-10-24T04:10:53Z",
              "ms": 2550197452863.5244
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-10-25",
          "window": {
            "start": {
              "local": "2050-10-25T11:22:46+08:00",
              "utc": "2050-10-25T03:22:46Z",
              "ms": 2550280965550.219
            },
            "end": {
              "local": "2050-10-25T12:10:46+08:00",
              "utc": "2050-10-25T04:10:46Z",
              "ms": 2550283845550.219
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 07:21 on Mon 24 Oct to 05:19 on Tue 25 Oct.",
          "fact": "2050-10-23T23:21:08Z → 2050-10-24T21:18:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 24th, 11:23–12:11 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 14505 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Fuzhou, 2050: Monday 24 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahanavami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mahānavamī 2050 falls on Monday 24 October. Navamī runs from 07:21 on Mon 24 Oct to 05:19 on Tue 25 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13605,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2050-10-25T05:18:42+08:00",
          "utc": "2050-10-24T21:18:42Z",
          "ms": 2550259121792.048
        },
        "end": {
          "local": "2050-10-26T02:48:41+08:00",
          "utc": "2050-10-25T18:48:41Z",
          "ms": 2550336520810.719
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-25T05:18:42+08:00",
          "utc": "2050-10-24T21:18:42Z",
          "ms": 2550259121792.048
        },
        "end": {
          "local": "2050-10-26T02:48:41+08:00",
          "utc": "2050-10-25T18:48:41Z",
          "ms": 2550336520810.719
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-10-25",
          "window": {
            "start": {
              "local": "2050-10-25T11:22:46+08:00",
              "utc": "2050-10-25T03:22:46Z",
              "ms": 2550280965550.219
            },
            "end": {
              "local": "2050-10-25T12:10:46+08:00",
              "utc": "2050-10-25T04:10:46Z",
              "ms": 2550283845550.219
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-10-26",
          "window": {
            "start": {
              "local": "2050-10-26T11:22:39+08:00",
              "utc": "2050-10-26T03:22:39Z",
              "ms": 2550367358937.7188
            },
            "end": {
              "local": "2050-10-26T12:10:39+08:00",
              "utc": "2050-10-26T04:10:39Z",
              "ms": 2550370238937.7188
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 05:19 on Tue 25 Oct to 02:49 on Wed 26 Oct.",
          "fact": "2050-10-24T21:18:42Z → 2050-10-25T18:48:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 25th, 11:23–12:11 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13605 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Fuzhou, 2050: Tuesday 25 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vijaya-dashami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day",
        "conjunction": {
          "nakshatra": "Śravaṇa",
          "kaala": "daytime"
        }
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 2050 falls on Tuesday 25 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 05:19 on Tue 25 Oct to 02:49 on Wed 26 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-10-26",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11957,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-10-26T02:48:41+08:00",
          "utc": "2050-10-25T18:48:41Z",
          "ms": 2550336520810.719
        },
        "end": {
          "local": "2050-10-26T23:56:32+08:00",
          "utc": "2050-10-26T15:56:32Z",
          "ms": 2550412592177.5425
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-26T02:48:41+08:00",
          "utc": "2050-10-25T18:48:41Z",
          "ms": 2550336520810.719
        },
        "end": {
          "local": "2050-10-26T23:56:32+08:00",
          "utc": "2050-10-26T15:56:32Z",
          "ms": 2550412592177.5425
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-10-26",
          "window": {
            "start": {
              "local": "2050-10-26T06:07:57+08:00",
              "utc": "2050-10-25T22:07:57Z",
              "ms": 2550348477423.7275
            },
            "end": {
              "local": "2050-10-26T06:07:57+08:00",
              "utc": "2050-10-25T22:07:57Z",
              "ms": 2550348477423.7275
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2050-10-27",
          "window": {
            "start": {
              "local": "2050-10-27T06:08:33+08:00",
              "utc": "2050-10-26T22:08:33Z",
              "ms": 2550434913054.736
            },
            "end": {
              "local": "2050-10-27T06:08:33+08:00",
              "utc": "2050-10-26T22:08:33Z",
              "ms": 2550434913054.736
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:49 on Wed 26 Oct to 23:57 on Wed 26 Oct.",
          "fact": "2050-10-25T18:48:41Z → 2050-10-26T15:56:32Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:08 on the 26th and 06:09 on the 27th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11957 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 2050: Wednesday 26 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": "2050-10-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 2050 falls on Wednesday 26 October. Ekādaśī runs from 02:49 on Wed 26 Oct to 23:57 on Wed 26 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-10-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-10-28",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 616,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-10-27T20:49:03+08:00",
          "utc": "2050-10-27T12:49:03Z",
          "ms": 2550487743210.0376
        },
        "end": {
          "local": "2050-10-28T17:34:03+08:00",
          "utc": "2050-10-28T09:34:03Z",
          "ms": 2550562442976.33
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-10-27T20:49:03+08:00",
          "utc": "2050-10-27T12:49:03Z",
          "ms": 2550487743210.0376
        },
        "end": {
          "local": "2050-10-28T17:34:03+08:00",
          "utc": "2050-10-28T09:34:03Z",
          "ms": 2550562442976.33
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-10-27",
          "window": {
            "start": {
              "local": "2050-10-27T17:24:33+08:00",
              "utc": "2050-10-27T09:24:33Z",
              "ms": 2550475473027.8403
            },
            "end": {
              "local": "2050-10-27T19:06:30+08:00",
              "utc": "2050-10-27T11:06:30Z",
              "ms": 2550481589840.228
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2050-10-28",
          "window": {
            "start": {
              "local": "2050-10-28T17:23:47+08:00",
              "utc": "2050-10-28T09:23:47Z",
              "ms": 2550561826633.0864
            },
            "end": {
              "local": "2050-10-28T19:05:54+08:00",
              "utc": "2050-10-28T11:05:54Z",
              "ms": 2550567954498.7583
            }
          },
          "covered_min": 10,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:49 on Thu 27 Oct to 17:34 on Fri 28 Oct.",
          "fact": "2050-10-27T12:49:03Z → 2050-10-28T09:34:03Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:06 on the 27th, 17:24–19:06 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 27th and 10 of 102 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 616 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Friday 28 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Friday 28 October. Trayodaśī runs from 20:49 on Thu 27 Oct to 17:34 on Fri 28 Oct and covers 10 of 102 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-10-28",
      "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/2050/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26257,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-11-02T04:31:19+08:00",
          "utc": "2050-11-01T20:31:19Z",
          "ms": 2550947478929.2275
        },
        "end": {
          "local": "2050-11-03T03:31:01+08:00",
          "utc": "2050-11-02T19:31:01Z",
          "ms": 2551030260553.29
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-02T04:31:19+08:00",
          "utc": "2050-11-01T20:31:19Z",
          "ms": 2550947478929.2275
        },
        "end": {
          "local": "2050-11-03T03:31:01+08:00",
          "utc": "2050-11-02T19:31:01Z",
          "ms": 2551030260553.29
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-11-01",
          "window": {
            "start": {
              "local": "2050-11-01T19:17:43+08:00",
              "utc": "2050-11-01T11:17:43Z",
              "ms": 2550914263449.8984
            },
            "end": {
              "local": "2050-11-01T19:17:43+08:00",
              "utc": "2050-11-01T11:17:43Z",
              "ms": 2550914263449.8984
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-11-02",
          "window": {
            "start": {
              "local": "2050-11-02T20:13:23+08:00",
              "utc": "2050-11-02T12:13:23Z",
              "ms": 2551004003086.906
            },
            "end": {
              "local": "2050-11-02T20:13:23+08:00",
              "utc": "2050-11-02T12:13:23Z",
              "ms": 2551004003086.906
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:31 on Wed 2 Nov to 03:31 on Thu 3 Nov.",
          "fact": "2050-11-01T20:31:19Z → 2050-11-02T19:31:01Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:18 on the 1st and 20:13 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.",
          "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 26257 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Fuzhou, 2050: Wednesday 2 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "karaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 2050 falls on Wednesday 2 November. Caturthī runs from 04:31 on Wed 2 Nov to 03:31 on Thu 3 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-11-02",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26257,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-11-02T04:31:19+08:00",
          "utc": "2050-11-01T20:31:19Z",
          "ms": 2550947478929.2275
        },
        "end": {
          "local": "2050-11-03T03:31:01+08:00",
          "utc": "2050-11-02T19:31:01Z",
          "ms": 2551030260553.29
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-02T04:31:19+08:00",
          "utc": "2050-11-01T20:31:19Z",
          "ms": 2550947478929.2275
        },
        "end": {
          "local": "2050-11-03T03:31:01+08:00",
          "utc": "2050-11-02T19:31:01Z",
          "ms": 2551030260553.29
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-11-01",
          "window": {
            "start": {
              "local": "2050-11-01T19:17:43+08:00",
              "utc": "2050-11-01T11:17:43Z",
              "ms": 2550914263449.8984
            },
            "end": {
              "local": "2050-11-01T19:17:43+08:00",
              "utc": "2050-11-01T11:17:43Z",
              "ms": 2550914263449.8984
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-11-02",
          "window": {
            "start": {
              "local": "2050-11-02T20:13:23+08:00",
              "utc": "2050-11-02T12:13:23Z",
              "ms": 2551004003086.906
            },
            "end": {
              "local": "2050-11-02T20:13:23+08:00",
              "utc": "2050-11-02T12:13:23Z",
              "ms": 2551004003086.906
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:31 on Wed 2 Nov to 03:31 on Thu 3 Nov.",
          "fact": "2050-11-01T20:31:19Z → 2050-11-02T19:31:01Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:18 on the 1st and 20:13 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.",
          "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 26257 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Wednesday 2 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": "2050-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Wednesday 2 November. Caturthī runs from 04:31 on Wed 2 Nov to 03:31 on Thu 3 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-11-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21959,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-11-06T05:04:43+08:00",
          "utc": "2050-11-05T21:04:43Z",
          "ms": 2551295082953.319
        },
        "end": {
          "local": "2050-11-07T06:57:39+08:00",
          "utc": "2050-11-06T22:57:39Z",
          "ms": 2551388259142.7783
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-06T05:04:43+08:00",
          "utc": "2050-11-05T21:04:43Z",
          "ms": 2551295082953.319
        },
        "end": {
          "local": "2050-11-07T06:57:39+08:00",
          "utc": "2050-11-06T22:57:39Z",
          "ms": 2551388259142.7783
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-11-05",
          "window": {
            "start": {
              "local": "2050-11-05T22:58:44+08:00",
              "utc": "2050-11-05T14:58:44Z",
              "ms": 2551273124251.8203
            },
            "end": {
              "local": "2050-11-05T22:58:44+08:00",
              "utc": "2050-11-05T14:58:44Z",
              "ms": 2551273124251.8203
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-11-06",
          "window": {
            "start": {
              "local": "2050-11-06T23:51:10+08:00",
              "utc": "2050-11-06T15:51:10Z",
              "ms": 2551362670239.3477
            },
            "end": {
              "local": "2050-11-06T23:51:10+08:00",
              "utc": "2050-11-06T15:51:10Z",
              "ms": 2551362670239.3477
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 05:05 on Sun 6 Nov to 06:58 on Mon 7 Nov.",
          "fact": "2050-11-05T21:04:43Z → 2050-11-06T22:57:39Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:59 on the 5th and 23:51 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21959 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Fuzhou, 2050: Sunday 6 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ahoyi-ashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ahoyī Aṣṭamī 2050 falls on Sunday 6 November. Aṣṭamī runs from 05:05 on Sun 6 Nov to 06:58 on Mon 7 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-11-10",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20024,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-11-09T11:50:40+08:00",
          "utc": "2050-11-09T03:50:40Z",
          "ms": 2551578640475.9155
        },
        "end": {
          "local": "2050-11-10T14:25:15+08:00",
          "utc": "2050-11-10T06:25:15Z",
          "ms": 2551674314803.6704
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-09T11:50:40+08:00",
          "utc": "2050-11-09T03:50:40Z",
          "ms": 2551578640475.9155
        },
        "end": {
          "local": "2050-11-10T14:25:15+08:00",
          "utc": "2050-11-10T06:25:15Z",
          "ms": 2551674314803.6704
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-11-09",
          "window": {
            "start": {
              "local": "2050-11-09T06:16:56+08:00",
              "utc": "2050-11-08T22:16:56Z",
              "ms": 2551558616191.218
            },
            "end": {
              "local": "2050-11-09T06:16:56+08:00",
              "utc": "2050-11-08T22:16:56Z",
              "ms": 2551558616191.218
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-11-10",
          "window": {
            "start": {
              "local": "2050-11-10T06:17:38+08:00",
              "utc": "2050-11-09T22:17:38Z",
              "ms": 2551645057806.3037
            },
            "end": {
              "local": "2050-11-10T06:17:38+08:00",
              "utc": "2050-11-09T22:17:38Z",
              "ms": 2551645057806.3037
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:51 on Wed 9 Nov to 14:25 on Thu 10 Nov.",
          "fact": "2050-11-09T03:50:40Z → 2050-11-10T06:25:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:17 on the 9th and 06:18 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20024 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Fuzhou, 2050: Thursday 10 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Ramā Ekādaśī 2050 falls on Thursday 10 November. Ekādaśī runs from 11:51 on Wed 9 Nov to 14:25 on Thu 10 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-11-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1548,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2050-11-10T14:25:15+08:00",
          "utc": "2050-11-10T06:25:15Z",
          "ms": 2551674314803.6704
        },
        "end": {
          "local": "2050-11-11T16:49:13+08:00",
          "utc": "2050-11-11T08:49:13Z",
          "ms": 2551769352911.4614
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-10T14:25:15+08:00",
          "utc": "2050-11-10T06:25:15Z",
          "ms": 2551674314803.6704
        },
        "end": {
          "local": "2050-11-11T16:49:13+08:00",
          "utc": "2050-11-11T08:49:13Z",
          "ms": 2551769352911.4614
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-11-10",
          "window": {
            "start": {
              "local": "2050-11-10T17:15:30+08:00",
              "utc": "2050-11-10T09:15:30Z",
              "ms": 2551684529892.761
            },
            "end": {
              "local": "2050-11-10T18:59:53+08:00",
              "utc": "2050-11-10T10:59:53Z",
              "ms": 2551690792544.0977
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2050-11-11",
          "window": {
            "start": {
              "local": "2050-11-11T17:15:01+08:00",
              "utc": "2050-11-11T09:15:01Z",
              "ms": 2551770900726.5522
            },
            "end": {
              "local": "2050-11-11T18:59:33+08:00",
              "utc": "2050-11-11T10:59:33Z",
              "ms": 2551777172907.917
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 14:25 on Thu 10 Nov to 16:49 on Fri 11 Nov.",
          "fact": "2050-11-10T06:25:15Z → 2050-11-11T08:49:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:00 on the 10th, 17:15–19:00 on the 11th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 10th and 0 of 105 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1548 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Fuzhou, 2050: Thursday 10 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govatsa-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 2050 falls on Thursday 10 November. Dvādaśī runs from 14:25 on Thu 10 Nov to 16:49 on Fri 11 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-11",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 346,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-11-11T16:49:13+08:00",
          "utc": "2050-11-11T08:49:13Z",
          "ms": 2551769352911.4614
        },
        "end": {
          "local": "2050-11-12T18:53:28+08:00",
          "utc": "2050-11-12T10:53:28Z",
          "ms": 2551863208115.2993
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-11T16:49:13+08:00",
          "utc": "2050-11-11T08:49:13Z",
          "ms": 2551769352911.4614
        },
        "end": {
          "local": "2050-11-12T18:53:28+08:00",
          "utc": "2050-11-12T10:53:28Z",
          "ms": 2551863208115.2993
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-11-11",
          "window": {
            "start": {
              "local": "2050-11-11T17:15:01+08:00",
              "utc": "2050-11-11T09:15:01Z",
              "ms": 2551770900726.5522
            },
            "end": {
              "local": "2050-11-11T18:59:33+08:00",
              "utc": "2050-11-11T10:59:33Z",
              "ms": 2551777172907.917
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2050-11-12",
          "window": {
            "start": {
              "local": "2050-11-12T17:14:33+08:00",
              "utc": "2050-11-12T09:14:33Z",
              "ms": 2551857272953.0977
            },
            "end": {
              "local": "2050-11-12T18:59:15+08:00",
              "utc": "2050-11-12T10:59:15Z",
              "ms": 2551863554521.05
            }
          },
          "covered_min": 99,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:49 on Fri 11 Nov to 18:53 on Sat 12 Nov.",
          "fact": "2050-11-11T08:49:13Z → 2050-11-12T10:53:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:00 on the 11th, 17:15–18:59 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 105 of 105 minutes on the 11th and 99 of 105 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "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 346 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Fuzhou, 2050: Friday 11 November.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2050-11-11",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Yama Dīpadāna 2050 falls on Friday 11 November. Trayodaśī runs from 16:49 on Fri 11 Nov to 18:53 on Sat 12 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 99 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/2050/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/2050/pradosha-vrata?on=2050-11-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-11",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 346,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-11-11T16:49:13+08:00",
          "utc": "2050-11-11T08:49:13Z",
          "ms": 2551769352911.4614
        },
        "end": {
          "local": "2050-11-12T18:53:28+08:00",
          "utc": "2050-11-12T10:53:28Z",
          "ms": 2551863208115.2993
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-11T16:49:13+08:00",
          "utc": "2050-11-11T08:49:13Z",
          "ms": 2551769352911.4614
        },
        "end": {
          "local": "2050-11-12T18:53:28+08:00",
          "utc": "2050-11-12T10:53:28Z",
          "ms": 2551863208115.2993
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-11-11",
          "window": {
            "start": {
              "local": "2050-11-11T17:15:01+08:00",
              "utc": "2050-11-11T09:15:01Z",
              "ms": 2551770900726.5522
            },
            "end": {
              "local": "2050-11-11T18:59:33+08:00",
              "utc": "2050-11-11T10:59:33Z",
              "ms": 2551777172907.917
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2050-11-12",
          "window": {
            "start": {
              "local": "2050-11-12T17:14:33+08:00",
              "utc": "2050-11-12T09:14:33Z",
              "ms": 2551857272953.0977
            },
            "end": {
              "local": "2050-11-12T18:59:15+08:00",
              "utc": "2050-11-12T10:59:15Z",
              "ms": 2551863554521.05
            }
          },
          "covered_min": 99,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:49 on Fri 11 Nov to 18:53 on Sat 12 Nov.",
          "fact": "2050-11-11T08:49:13Z → 2050-11-12T10:53:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:00 on the 11th, 17:15–18:59 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 105 of 105 minutes on the 11th and 99 of 105 on the 12th.",
          "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 346 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Friday 11 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": "2050-11-11",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Friday 11 November. Trayodaśī runs from 16:49 on Fri 11 Nov to 18:53 on Sat 12 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 99 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/2050/pradosha-vrata?on=2050-11-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/shivaratri?on=2050-11-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10280,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-11-12T18:53:28+08:00",
          "utc": "2050-11-12T10:53:28Z",
          "ms": 2551863208115.2993
        },
        "end": {
          "local": "2050-11-13T20:31:57+08:00",
          "utc": "2050-11-13T12:31:57Z",
          "ms": 2551955516693.188
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-12T18:53:28+08:00",
          "utc": "2050-11-12T10:53:28Z",
          "ms": 2551863208115.2993
        },
        "end": {
          "local": "2050-11-13T20:31:57+08:00",
          "utc": "2050-11-13T12:31:57Z",
          "ms": 2551955516693.188
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-11-12",
          "window": {
            "start": {
              "local": "2050-11-12T23:23:09+08:00",
              "utc": "2050-11-12T15:23:09Z",
              "ms": 2551879388832.9175
            },
            "end": {
              "local": "2050-11-13T00:11:09+08:00",
              "utc": "2050-11-12T16:11:09Z",
              "ms": 2551882268832.9175
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-11-13",
          "window": {
            "start": {
              "local": "2050-11-13T23:23:17+08:00",
              "utc": "2050-11-13T15:23:17Z",
              "ms": 2551965797110.543
            },
            "end": {
              "local": "2050-11-14T00:11:17+08:00",
              "utc": "2050-11-13T16:11:17Z",
              "ms": 2551968677110.543
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:53 on Sat 12 Nov to 20:32 on Sun 13 Nov.",
          "fact": "2050-11-12T10:53:28Z → 2050-11-13T12:31:57Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 12th, 23:23–00:11 on the 13th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10280 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Saturday 12 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Saturday 12 November. Caturdaśī runs from 18:53 on Sat 12 Nov to 20:32 on Sun 13 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-11-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29020,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-11-12T18:53:28+08:00",
          "utc": "2050-11-12T10:53:28Z",
          "ms": 2551863208115.2993
        },
        "end": {
          "local": "2050-11-13T20:31:57+08:00",
          "utc": "2050-11-13T12:31:57Z",
          "ms": 2551955516693.188
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-12T18:53:28+08:00",
          "utc": "2050-11-12T10:53:28Z",
          "ms": 2551863208115.2993
        },
        "end": {
          "local": "2050-11-13T20:31:57+08:00",
          "utc": "2050-11-13T12:31:57Z",
          "ms": 2551955516693.188
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2050-11-13",
          "window": {
            "start": {
              "local": "2050-11-13T04:35:03+08:00",
              "utc": "2050-11-12T20:35:03Z",
              "ms": 2551898103144.785
            },
            "end": {
              "local": "2050-11-13T06:19:45+08:00",
              "utc": "2050-11-12T22:19:45Z",
              "ms": 2551904384712.7373
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2050-11-14",
          "window": {
            "start": {
              "local": "2050-11-14T04:35:37+08:00",
              "utc": "2050-11-13T20:35:37Z",
              "ms": 2551984536827.2593
            },
            "end": {
              "local": "2050-11-14T06:20:28+08:00",
              "utc": "2050-11-13T22:20:28Z",
              "ms": 2551990827633.338
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:53 on Sat 12 Nov to 20:32 on Sun 13 Nov.",
          "fact": "2050-11-12T10:53:28Z → 2050-11-13T12:31:57Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:35–06:20 on the 13th, 04:36–06:20 on the 14th.",
          "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 105 of 105 minutes on the 13th and 0 of 105 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 29020 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Fuzhou, 2050: Sunday 13 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naraka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 2050 falls on Sunday 13 November. Caturdaśī runs from 18:53 on Sat 12 Nov to 20:32 on Sun 13 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6117,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2050-11-13T20:31:57+08:00",
          "utc": "2050-11-13T12:31:57Z",
          "ms": 2551955516693.188
        },
        "end": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-13T20:31:57+08:00",
          "utc": "2050-11-13T12:31:57Z",
          "ms": 2551955516693.188
        },
        "end": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-11-13",
          "window": {
            "start": {
              "local": "2050-11-13T23:23:17+08:00",
              "utc": "2050-11-13T15:23:17Z",
              "ms": 2551965797110.543
            },
            "end": {
              "local": "2050-11-14T00:11:17+08:00",
              "utc": "2050-11-13T16:11:17Z",
              "ms": 2551968677110.543
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-11-14",
          "window": {
            "start": {
              "local": "2050-11-14T23:23:26+08:00",
              "utc": "2050-11-14T15:23:26Z",
              "ms": 2552052206234.573
            },
            "end": {
              "local": "2050-11-15T00:11:26+08:00",
              "utc": "2050-11-14T16:11:26Z",
              "ms": 2552055086234.573
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 20:32 on Sun 13 Nov to 21:41 on Mon 14 Nov.",
          "fact": "2050-11-13T12:31:57Z → 2050-11-14T13:41:29Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 13th, 23:23–00:11 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6117 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Fuzhou, 2050: Sunday 13 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kālī Pūjā 2050 falls on Sunday 13 November. Amāvasyā runs from 20:32 on Sun 13 Nov to 21:41 on Mon 14 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5579,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2050-11-13T20:31:57+08:00",
          "utc": "2050-11-13T12:31:57Z",
          "ms": 2551955516693.188
        },
        "end": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-13T20:31:57+08:00",
          "utc": "2050-11-13T12:31:57Z",
          "ms": 2551955516693.188
        },
        "end": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-11-13",
          "window": {
            "start": {
              "local": "2050-11-13T17:14:07+08:00",
              "utc": "2050-11-13T09:14:07Z",
              "ms": 2551943646587.748
            },
            "end": {
              "local": "2050-11-13T18:58:57+08:00",
              "utc": "2050-11-13T10:58:57Z",
              "ms": 2551949937393.8267
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2050-11-14",
          "window": {
            "start": {
              "local": "2050-11-14T17:13:42+08:00",
              "utc": "2050-11-14T09:13:42Z",
              "ms": 2552030021644.5605
            },
            "end": {
              "local": "2050-11-14T18:58:42+08:00",
              "utc": "2050-11-14T10:58:42Z",
              "ms": 2552036321535.2305
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 20:32 on Sun 13 Nov to 21:41 on Mon 14 Nov.",
          "fact": "2050-11-13T12:31:57Z → 2050-11-14T13:41:29Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:59 on the 13th, 17:14–18:59 on the 14th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 105 minutes on the 13th and 105 of 105 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5579 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Fuzhou, 2050: Monday 14 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": "2050-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 2050 falls on Monday 14 November. Amāvasyā runs from 20:32 on Sun 13 Nov to 21:41 on Mon 14 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34224,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        },
        "end": {
          "local": "2050-11-15T22:21:16+08:00",
          "utc": "2050-11-15T14:21:16Z",
          "ms": 2552134875999.4565
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        },
        "end": {
          "local": "2050-11-15T22:21:16+08:00",
          "utc": "2050-11-15T14:21:16Z",
          "ms": 2552134875999.4565
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-11-14",
          "window": {
            "start": {
              "local": "2050-11-14T11:23:05+08:00",
              "utc": "2050-11-14T03:23:05Z",
              "ms": 2552008984638.949
            },
            "end": {
              "local": "2050-11-14T12:11:05+08:00",
              "utc": "2050-11-14T04:11:05Z",
              "ms": 2552011864638.949
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-11-15",
          "window": {
            "start": {
              "local": "2050-11-15T11:23:14+08:00",
              "utc": "2050-11-15T03:23:14Z",
              "ms": 2552095394480.459
            },
            "end": {
              "local": "2050-11-15T12:11:14+08:00",
              "utc": "2050-11-15T04:11:14Z",
              "ms": 2552098274480.459
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 21:41 on Mon 14 Nov to 22:21 on Tue 15 Nov.",
          "fact": "2050-11-14T13:41:29Z → 2050-11-15T14:21:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 14th, 11:23–12:11 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34224 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Fuzhou, 2050: Tuesday 15 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": "2050-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Govardhana Pūjā 2050 falls on Tuesday 15 November. Pratipadā runs from 21:41 on Mon 14 Nov to 22:21 on Tue 15 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9767,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        },
        "end": {
          "local": "2050-11-15T22:21:16+08:00",
          "utc": "2050-11-15T14:21:16Z",
          "ms": 2552134875999.4565
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        },
        "end": {
          "local": "2050-11-15T22:21:16+08:00",
          "utc": "2050-11-15T14:21:16Z",
          "ms": 2552134875999.4565
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-11-14",
          "window": {
            "start": {
              "local": "2050-11-14T17:13:42+08:00",
              "utc": "2050-11-14T09:13:42Z",
              "ms": 2552030021644.5605
            },
            "end": {
              "local": "2050-11-14T18:58:42+08:00",
              "utc": "2050-11-14T10:58:42Z",
              "ms": 2552036321535.2305
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2050-11-15",
          "window": {
            "start": {
              "local": "2050-11-15T17:13:18+08:00",
              "utc": "2050-11-15T09:13:18Z",
              "ms": 2552116398136.3315
            },
            "end": {
              "local": "2050-11-15T18:58:27+08:00",
              "utc": "2050-11-15T10:58:27Z",
              "ms": 2552122706952.9326
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 21:41 on Mon 14 Nov to 22:21 on Tue 15 Nov.",
          "fact": "2050-11-14T13:41:29Z → 2050-11-15T14:21:16Z"
        },
        {
          "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": "Pratipadā must be present during pradoṣa. It covers 0 of 105 minutes on the 14th and 105 of 105 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9767 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Fuzhou, 2050: Tuesday 15 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": "2050-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Bali Pūjā 2050 falls on Tuesday 15 November. Pratipadā runs from 21:41 on Mon 14 Nov to 22:21 on Tue 15 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28838,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        },
        "end": {
          "local": "2050-11-15T22:21:16+08:00",
          "utc": "2050-11-15T14:21:16Z",
          "ms": 2552134875999.4565
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-14T21:41:29+08:00",
          "utc": "2050-11-14T13:41:29Z",
          "ms": 2552046089029.215
        },
        "end": {
          "local": "2050-11-15T22:21:16+08:00",
          "utc": "2050-11-15T14:21:16Z",
          "ms": 2552134875999.4565
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2050-11-15",
          "window": {
            "start": {
              "local": "2050-11-15T06:21:11+08:00",
              "utc": "2050-11-14T22:21:11Z",
              "ms": 2552077270824.5864
            },
            "end": {
              "local": "2050-11-15T09:58:33+08:00",
              "utc": "2050-11-15T01:58:33Z",
              "ms": 2552090313261.835
            }
          },
          "covered_min": 217,
          "window_min": 217,
          "qualifies": true
        },
        {
          "local_date": "2050-11-16",
          "window": {
            "start": {
              "local": "2050-11-16T06:21:54+08:00",
              "utc": "2050-11-15T22:21:54Z",
              "ms": 2552163714260.838
            },
            "end": {
              "local": "2050-11-16T09:58:55+08:00",
              "utc": "2050-11-16T01:58:55Z",
              "ms": 2552176734865.457
            }
          },
          "covered_min": 0,
          "window_min": 217,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 21:41 on Mon 14 Nov to 22:21 on Tue 15 Nov.",
          "fact": "2050-11-14T13:41:29Z → 2050-11-15T14:21:16Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:21–09:59 on the 15th, 06:22–09:59 on the 16th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 217 of 217 minutes on the 15th and 0 of 217 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28838 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Fuzhou, 2050: Tuesday 15 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dyuta-pratipad",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dyūta Pratipad 2050 falls on Tuesday 15 November. Pratipadā runs from 21:41 on Mon 14 Nov to 22:21 on Tue 15 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36602,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2050-11-15T22:21:16+08:00",
          "utc": "2050-11-15T14:21:16Z",
          "ms": 2552134875999.4565
        },
        "end": {
          "local": "2050-11-16T22:32:06+08:00",
          "utc": "2050-11-16T14:32:06Z",
          "ms": 2552221926177.011
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-15T22:21:16+08:00",
          "utc": "2050-11-15T14:21:16Z",
          "ms": 2552134875999.4565
        },
        "end": {
          "local": "2050-11-16T22:32:06+08:00",
          "utc": "2050-11-16T14:32:06Z",
          "ms": 2552221926177.011
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-11-15",
          "window": {
            "start": {
              "local": "2050-11-15T11:23:14+08:00",
              "utc": "2050-11-15T03:23:14Z",
              "ms": 2552095394480.459
            },
            "end": {
              "local": "2050-11-15T12:11:14+08:00",
              "utc": "2050-11-15T04:11:14Z",
              "ms": 2552098274480.459
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-11-16",
          "window": {
            "start": {
              "local": "2050-11-16T11:23:25+08:00",
              "utc": "2050-11-16T03:23:25Z",
              "ms": 2552181805167.7666
            },
            "end": {
              "local": "2050-11-16T12:11:25+08:00",
              "utc": "2050-11-16T04:11:25Z",
              "ms": 2552184685167.7666
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 22:21 on Tue 15 Nov to 22:32 on Wed 16 Nov.",
          "fact": "2050-11-15T14:21:16Z → 2050-11-16T14:32:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 15th, 11:23–12:11 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 36602 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Fuzhou, 2050: Wednesday 16 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": "2050-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 2050 falls on Wednesday 16 November. Dvitīyā runs from 22:21 on Tue 15 Nov to 22:32 on Wed 16 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33756,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-11-17T22:15:45+08:00",
          "utc": "2050-11-17T14:15:45Z",
          "ms": 2552307345381.222
        },
        "end": {
          "local": "2050-11-18T21:34:25+08:00",
          "utc": "2050-11-18T13:34:25Z",
          "ms": 2552391265063.0645
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-17T22:15:45+08:00",
          "utc": "2050-11-17T14:15:45Z",
          "ms": 2552307345381.222
        },
        "end": {
          "local": "2050-11-18T21:34:25+08:00",
          "utc": "2050-11-18T13:34:25Z",
          "ms": 2552391265063.0645
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-11-17",
          "window": {
            "start": {
              "local": "2050-11-17T11:23:37+08:00",
              "utc": "2050-11-17T03:23:37Z",
              "ms": 2552268216692.5996
            },
            "end": {
              "local": "2050-11-17T12:11:37+08:00",
              "utc": "2050-11-17T04:11:37Z",
              "ms": 2552271096692.5996
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-11-18",
          "window": {
            "start": {
              "local": "2050-11-18T11:23:49+08:00",
              "utc": "2050-11-18T03:23:49Z",
              "ms": 2552354629045.6167
            },
            "end": {
              "local": "2050-11-18T12:11:49+08:00",
              "utc": "2050-11-18T04:11:49Z",
              "ms": 2552357509045.6167
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:16 on Thu 17 Nov to 21:34 on Fri 18 Nov.",
          "fact": "2050-11-17T14:15:45Z → 2050-11-18T13:34:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 17th, 11:24–12:12 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33756 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Fuzhou, 2050: Friday 18 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Caturthī 2050 falls on Friday 18 November. Caturthī runs from 22:16 on Thu 17 Nov to 21:34 on Fri 18 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/vinayaka-chaturthi?on=2050-11-18",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33756,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-11-17T22:15:45+08:00",
          "utc": "2050-11-17T14:15:45Z",
          "ms": 2552307345381.222
        },
        "end": {
          "local": "2050-11-18T21:34:25+08:00",
          "utc": "2050-11-18T13:34:25Z",
          "ms": 2552391265063.0645
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-17T22:15:45+08:00",
          "utc": "2050-11-17T14:15:45Z",
          "ms": 2552307345381.222
        },
        "end": {
          "local": "2050-11-18T21:34:25+08:00",
          "utc": "2050-11-18T13:34:25Z",
          "ms": 2552391265063.0645
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-11-17",
          "window": {
            "start": {
              "local": "2050-11-17T11:23:37+08:00",
              "utc": "2050-11-17T03:23:37Z",
              "ms": 2552268216692.5996
            },
            "end": {
              "local": "2050-11-17T12:11:37+08:00",
              "utc": "2050-11-17T04:11:37Z",
              "ms": 2552271096692.5996
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-11-18",
          "window": {
            "start": {
              "local": "2050-11-18T11:23:49+08:00",
              "utc": "2050-11-18T03:23:49Z",
              "ms": 2552354629045.6167
            },
            "end": {
              "local": "2050-11-18T12:11:49+08:00",
              "utc": "2050-11-18T04:11:49Z",
              "ms": 2552357509045.6167
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:16 on Thu 17 Nov to 21:34 on Fri 18 Nov.",
          "fact": "2050-11-17T14:15:45Z → 2050-11-18T13:34:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 17th, 11:24–12:12 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33756 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Friday 18 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Friday 18 November. Caturthī runs from 22:16 on Thu 17 Nov to 21:34 on Fri 18 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-11-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24814,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2050-11-19T20:30:22+08:00",
          "utc": "2050-11-19T12:30:22Z",
          "ms": 2552473822113.7837
        },
        "end": {
          "local": "2050-11-20T19:05:50+08:00",
          "utc": "2050-11-20T11:05:50Z",
          "ms": 2552555150164.5137
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-19T20:30:22+08:00",
          "utc": "2050-11-19T12:30:22Z",
          "ms": 2552473822113.7837
        },
        "end": {
          "local": "2050-11-20T19:05:50+08:00",
          "utc": "2050-11-20T11:05:50Z",
          "ms": 2552555150164.5137
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-11-19",
          "window": {
            "start": {
              "local": "2050-11-19T11:24:02+08:00",
              "utc": "2050-11-19T03:24:02Z",
              "ms": 2552441042216.633
            },
            "end": {
              "local": "2050-11-19T12:12:02+08:00",
              "utc": "2050-11-19T04:12:02Z",
              "ms": 2552443922216.633
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-11-20",
          "window": {
            "start": {
              "local": "2050-11-20T11:24:16+08:00",
              "utc": "2050-11-20T03:24:16Z",
              "ms": 2552527456194.865
            },
            "end": {
              "local": "2050-11-20T12:12:16+08:00",
              "utc": "2050-11-20T04:12:16Z",
              "ms": 2552530336194.865
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:30 on Sat 19 Nov to 19:06 on Sun 20 Nov.",
          "fact": "2050-11-19T12:30:22Z → 2050-11-20T11:05:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 19th, 11:24–12:12 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24814 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Fuzhou, 2050: Sunday 20 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 2050 falls on Sunday 20 November. Ṣaṣṭhī runs from 20:30 on Sat 19 Nov to 19:06 on Sun 20 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11486,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2050-11-21T17:23:01+08:00",
          "utc": "2050-11-21T09:23:01Z",
          "ms": 2552635380836.5054
        },
        "end": {
          "local": "2050-11-22T15:24:12+08:00",
          "utc": "2050-11-22T07:24:12Z",
          "ms": 2552714652305.9443
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-21T17:23:01+08:00",
          "utc": "2050-11-21T09:23:01Z",
          "ms": 2552635380836.5054
        },
        "end": {
          "local": "2050-11-22T15:24:12+08:00",
          "utc": "2050-11-22T07:24:12Z",
          "ms": 2552714652305.9443
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-11-21",
          "window": {
            "start": {
              "local": "2050-11-21T11:24:31+08:00",
              "utc": "2050-11-21T03:24:31Z",
              "ms": 2552613870969.175
            },
            "end": {
              "local": "2050-11-21T12:12:31+08:00",
              "utc": "2050-11-21T04:12:31Z",
              "ms": 2552616750969.175
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-11-22",
          "window": {
            "start": {
              "local": "2050-11-22T11:24:47+08:00",
              "utc": "2050-11-22T03:24:47Z",
              "ms": 2552700286528.2773
            },
            "end": {
              "local": "2050-11-22T12:12:47+08:00",
              "utc": "2050-11-22T04:12:47Z",
              "ms": 2552703166528.2773
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 17:23 on Mon 21 Nov to 15:24 on Tue 22 Nov.",
          "fact": "2050-11-21T09:23:01Z → 2050-11-22T07:24:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 21st, 11:25–12:13 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11486 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Fuzhou, 2050: Tuesday 22 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gopashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Gopastami, Gosthastami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Gopāṣṭamī 2050 falls on Tuesday 22 November. Aṣṭamī runs from 17:23 on Mon 21 Nov to 15:24 on Tue 22 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11419,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2050-11-22T15:24:12+08:00",
          "utc": "2050-11-22T07:24:12Z",
          "ms": 2552714652305.9443
        },
        "end": {
          "local": "2050-11-23T13:12:02+08:00",
          "utc": "2050-11-23T05:12:02Z",
          "ms": 2552793121896.8286
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-22T15:24:12+08:00",
          "utc": "2050-11-22T07:24:12Z",
          "ms": 2552714652305.9443
        },
        "end": {
          "local": "2050-11-23T13:12:02+08:00",
          "utc": "2050-11-23T05:12:02Z",
          "ms": 2552793121896.8286
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2050-11-22",
          "window": {
            "start": {
              "local": "2050-11-22T06:26:18+08:00",
              "utc": "2050-11-21T22:26:18Z",
              "ms": 2552682378425.8784
            },
            "end": {
              "local": "2050-11-22T10:01:17+08:00",
              "utc": "2050-11-22T02:01:17Z",
              "ms": 2552695277160.811
            }
          },
          "covered_min": 0,
          "window_min": 215,
          "qualifies": false
        },
        {
          "local_date": "2050-11-23",
          "window": {
            "start": {
              "local": "2050-11-23T06:27:03+08:00",
              "utc": "2050-11-22T22:27:03Z",
              "ms": 2552768822763.101
            },
            "end": {
              "local": "2050-11-23T10:01:43+08:00",
              "utc": "2050-11-23T02:01:43Z",
              "ms": 2552781702828.315
            }
          },
          "covered_min": 215,
          "window_min": 215,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 15:24 on Tue 22 Nov to 13:12 on Wed 23 Nov.",
          "fact": "2050-11-22T07:24:12Z → 2050-11-23T05:12:02Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:26–10:01 on the 22nd, 06:27–10:02 on the 23rd.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 215 minutes on the 22nd and 215 of 215 on the 23rd.",
          "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 11419 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Fuzhou, 2050: Wednesday 23 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 2050 falls on Wednesday 23 November. Navamī runs from 15:24 on Tue 22 Nov to 13:12 on Wed 23 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3539,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2050-11-22T15:24:12+08:00",
          "utc": "2050-11-22T07:24:12Z",
          "ms": 2552714652305.9443
        },
        "end": {
          "local": "2050-11-23T13:12:02+08:00",
          "utc": "2050-11-23T05:12:02Z",
          "ms": 2552793121896.8286
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-22T15:24:12+08:00",
          "utc": "2050-11-22T07:24:12Z",
          "ms": 2552714652305.9443
        },
        "end": {
          "local": "2050-11-23T13:12:02+08:00",
          "utc": "2050-11-23T05:12:02Z",
          "ms": 2552793121896.8286
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-11-22",
          "window": {
            "start": {
              "local": "2050-11-22T11:24:47+08:00",
              "utc": "2050-11-22T03:24:47Z",
              "ms": 2552700286528.2773
            },
            "end": {
              "local": "2050-11-22T12:12:47+08:00",
              "utc": "2050-11-22T04:12:47Z",
              "ms": 2552703166528.2773
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-11-23",
          "window": {
            "start": {
              "local": "2050-11-23T11:25:03+08:00",
              "utc": "2050-11-23T03:25:03Z",
              "ms": 2552786702860.922
            },
            "end": {
              "local": "2050-11-23T12:13:03+08:00",
              "utc": "2050-11-23T04:13:03Z",
              "ms": 2552789582860.922
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 15:24 on Tue 22 Nov to 13:12 on Wed 23 Nov.",
          "fact": "2050-11-22T07:24:12Z → 2050-11-23T05:12:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 22nd, 11:25–12:13 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3539 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Fuzhou, 2050: Wednesday 23 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Durgā Navamī 2050 falls on Wednesday 23 November. Navamī runs from 15:24 on Tue 22 Nov to 13:12 on Wed 23 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-11-25",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6746,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-11-24T10:49:39+08:00",
          "utc": "2050-11-24T02:49:39Z",
          "ms": 2552870979328.2456
        },
        "end": {
          "local": "2050-11-25T08:20:58+08:00",
          "utc": "2050-11-25T00:20:58Z",
          "ms": 2552948457747.6973
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-24T10:49:39+08:00",
          "utc": "2050-11-24T02:49:39Z",
          "ms": 2552870979328.2456
        },
        "end": {
          "local": "2050-11-25T08:20:58+08:00",
          "utc": "2050-11-25T00:20:58Z",
          "ms": 2552948457747.6973
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-11-24",
          "window": {
            "start": {
              "local": "2050-11-24T06:27:47+08:00",
              "utc": "2050-11-23T22:27:47Z",
              "ms": 2552855267107.625
            },
            "end": {
              "local": "2050-11-24T06:27:47+08:00",
              "utc": "2050-11-23T22:27:47Z",
              "ms": 2552855267107.625
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-11-25",
          "window": {
            "start": {
              "local": "2050-11-25T06:28:31+08:00",
              "utc": "2050-11-24T22:28:31Z",
              "ms": 2552941711429.7793
            },
            "end": {
              "local": "2050-11-25T06:28:31+08:00",
              "utc": "2050-11-24T22:28:31Z",
              "ms": 2552941711429.7793
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:50 on Thu 24 Nov to 08:21 on Fri 25 Nov.",
          "fact": "2050-11-24T02:49:39Z → 2050-11-25T00:20:58Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:28 on the 24th and 06:29 on the 25th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6746 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Fuzhou, 2050: Friday 25 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-11-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Prabodhinī Ekādaśī 2050 falls on Friday 25 November. Ekādaśī runs from 10:50 on Thu 24 Nov to 08:21 on Fri 25 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-11-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-11-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30431,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-11-26T05:50:41+08:00",
          "utc": "2050-11-25T21:50:41Z",
          "ms": 2553025840557.3267
        },
        "end": {
          "local": "2050-11-27T03:24:23+08:00",
          "utc": "2050-11-26T19:24:23Z",
          "ms": 2553103462878.327
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-26T05:50:41+08:00",
          "utc": "2050-11-25T21:50:41Z",
          "ms": 2553025840557.3267
        },
        "end": {
          "local": "2050-11-27T03:24:23+08:00",
          "utc": "2050-11-26T19:24:23Z",
          "ms": 2553103462878.327
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-11-25",
          "window": {
            "start": {
              "local": "2050-11-25T17:10:44+08:00",
              "utc": "2050-11-25T09:10:44Z",
              "ms": 2552980244175.259
            },
            "end": {
              "local": "2050-11-25T18:57:12+08:00",
              "utc": "2050-11-25T10:57:12Z",
              "ms": 2552986632378.601
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2050-11-26",
          "window": {
            "start": {
              "local": "2050-11-26T17:10:37+08:00",
              "utc": "2050-11-26T09:10:37Z",
              "ms": 2553066637078.847
            },
            "end": {
              "local": "2050-11-26T18:57:12+08:00",
              "utc": "2050-11-26T10:57:12Z",
              "ms": 2553073032120.3594
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:51 on Sat 26 Nov to 03:24 on Sun 27 Nov.",
          "fact": "2050-11-25T21:50:41Z → 2050-11-26T19:24:23Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 25th, 17:11–18:57 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 25th and 107 of 107 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30431 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Saturday 26 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": "2050-11-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Saturday 26 November. Trayodaśī runs from 05:51 on Sat 26 Nov to 03:24 on Sun 27 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-11-26",
      "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/2050/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37089,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-11-28T01:08:27+08:00",
          "utc": "2050-11-27T17:08:27Z",
          "ms": 2553181706921.925
        },
        "end": {
          "local": "2050-11-28T23:09:50+08:00",
          "utc": "2050-11-28T15:09:50Z",
          "ms": 2553260990378.768
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-28T01:08:27+08:00",
          "utc": "2050-11-27T17:08:27Z",
          "ms": 2553181706921.925
        },
        "end": {
          "local": "2050-11-28T23:09:50+08:00",
          "utc": "2050-11-28T15:09:50Z",
          "ms": 2553260990378.768
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-11-28",
          "window": {
            "start": {
              "local": "2050-11-28T11:26:36+08:00",
              "utc": "2050-11-28T03:26:36Z",
              "ms": 2553218795740.4355
            },
            "end": {
              "local": "2050-11-28T12:14:36+08:00",
              "utc": "2050-11-28T04:14:36Z",
              "ms": 2553221675740.4355
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-11-29",
          "window": {
            "start": {
              "local": "2050-11-29T11:26:56+08:00",
              "utc": "2050-11-29T03:26:56Z",
              "ms": 2553305216480.115
            },
            "end": {
              "local": "2050-11-29T12:14:56+08:00",
              "utc": "2050-11-29T04:14:56Z",
              "ms": 2553308096480.115
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:08 on Mon 28 Nov to 23:10 on Mon 28 Nov.",
          "fact": "2050-11-27T17:08:27Z → 2050-11-28T15:09:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 28th, 11:27–12:15 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37089 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Fuzhou, 2050: Monday 28 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": "2050-11-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kārtikī Pūrṇimā 2050 falls on Monday 28 November. Pūrṇimā runs from 01:08 on Mon 28 Nov to 23:10 on Mon 28 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-11-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1027,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-11-28T01:08:27+08:00",
          "utc": "2050-11-27T17:08:27Z",
          "ms": 2553181706921.925
        },
        "end": {
          "local": "2050-11-28T23:09:50+08:00",
          "utc": "2050-11-28T15:09:50Z",
          "ms": 2553260990378.768
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-11-28T01:08:27+08:00",
          "utc": "2050-11-27T17:08:27Z",
          "ms": 2553181706921.925
        },
        "end": {
          "local": "2050-11-28T23:09:50+08:00",
          "utc": "2050-11-28T15:09:50Z",
          "ms": 2553260990378.768
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-11-27",
          "window": {
            "start": {
              "local": "2050-11-27T23:26:38+08:00",
              "utc": "2050-11-27T15:26:38Z",
              "ms": 2553175597746.0254
            },
            "end": {
              "local": "2050-11-28T00:14:38+08:00",
              "utc": "2050-11-27T16:14:38Z",
              "ms": 2553178477746.0254
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-11-28",
          "window": {
            "start": {
              "local": "2050-11-28T23:26:58+08:00",
              "utc": "2050-11-28T15:26:58Z",
              "ms": 2553262017710.3584
            },
            "end": {
              "local": "2050-11-29T00:14:58+08:00",
              "utc": "2050-11-28T16:14:58Z",
              "ms": 2553264897710.3584
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 01:08 on Mon 28 Nov to 23:10 on Mon 28 Nov.",
          "fact": "2050-11-27T17:08:27Z → 2050-11-28T15:09:50Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 27th, 23:27–00:15 on the 28th.",
          "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 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither night qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 1027 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Fuzhou, 2050: Monday 28 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": "2050-11-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-11-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Rāsayātrā 2050 falls on Monday 28 November. Pūrṇimā runs from 01:08 on Mon 28 Nov to 23:10 on Mon 28 Nov, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-12-01",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-01",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1050,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-12-01T20:08:08+08:00",
          "utc": "2050-12-01T12:08:08Z",
          "ms": 2553509287825.783
        },
        "end": {
          "local": "2050-12-02T20:24:36+08:00",
          "utc": "2050-12-02T12:24:36Z",
          "ms": 2553596676103.2983
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-01T20:08:08+08:00",
          "utc": "2050-12-01T12:08:08Z",
          "ms": 2553509287825.783
        },
        "end": {
          "local": "2050-12-02T20:24:36+08:00",
          "utc": "2050-12-02T12:24:36Z",
          "ms": 2553596676103.2983
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-12-01",
          "window": {
            "start": {
              "local": "2050-12-01T19:50:38+08:00",
              "utc": "2050-12-01T11:50:38Z",
              "ms": 2553508238225.1187
            },
            "end": {
              "local": "2050-12-01T19:50:38+08:00",
              "utc": "2050-12-01T11:50:38Z",
              "ms": 2553508238225.1187
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-12-02",
          "window": {
            "start": {
              "local": "2050-12-02T20:46:30+08:00",
              "utc": "2050-12-02T12:46:30Z",
              "ms": 2553597989570.7646
            },
            "end": {
              "local": "2050-12-02T20:46:30+08:00",
              "utc": "2050-12-02T12:46:30Z",
              "ms": 2553597989570.7646
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:08 on Thu 1 Dec to 20:25 on Fri 2 Dec.",
          "fact": "2050-12-01T12:08:08Z → 2050-12-02T12:24:36Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:51 on the 1st and 20:46 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 1050 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Thursday 1 December.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-12-01",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-01",
          "confidence": "boundary"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Thursday 1 December. Caturthī runs from 20:08 on Thu 1 Dec to 20:25 on Fri 2 Dec, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-12-01",
      "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/2050/ekadashi?on=2050-12-10",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7954,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-12-09T08:51:06+08:00",
          "utc": "2050-12-09T00:51:06Z",
          "ms": 2554159866015.3745
        },
        "end": {
          "local": "2050-12-10T10:56:47+08:00",
          "utc": "2050-12-10T02:56:47Z",
          "ms": 2554253807139.601
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-09T08:51:06+08:00",
          "utc": "2050-12-09T00:51:06Z",
          "ms": 2554159866015.3745
        },
        "end": {
          "local": "2050-12-10T10:56:47+08:00",
          "utc": "2050-12-10T02:56:47Z",
          "ms": 2554253807139.601
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-12-09",
          "window": {
            "start": {
              "local": "2050-12-09T06:38:32+08:00",
              "utc": "2050-12-08T22:38:32Z",
              "ms": 2554151912083.089
            },
            "end": {
              "local": "2050-12-09T06:38:32+08:00",
              "utc": "2050-12-08T22:38:32Z",
              "ms": 2554151912083.089
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-12-10",
          "window": {
            "start": {
              "local": "2050-12-10T06:39:12+08:00",
              "utc": "2050-12-09T22:39:12Z",
              "ms": 2554238352138.8994
            },
            "end": {
              "local": "2050-12-10T06:39:12+08:00",
              "utc": "2050-12-09T22:39:12Z",
              "ms": 2554238352138.8994
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:51 on Fri 9 Dec to 10:57 on Sat 10 Dec.",
          "fact": "2050-12-09T00:51:06Z → 2050-12-10T02:56:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:39 on the 9th and 06:39 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7954 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Fuzhou, 2050: Saturday 10 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": "2050-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Utpannā Ekādaśī 2050 falls on Saturday 10 December. Ekādaśī runs from 08:51 on Fri 9 Dec to 10:57 on Sat 10 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-12-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/pradosha-vrata?on=2050-12-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13653,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-12-11T12:29:49+08:00",
          "utc": "2050-12-11T04:29:49Z",
          "ms": 2554345789284.7676
        },
        "end": {
          "local": "2050-12-12T13:24:40+08:00",
          "utc": "2050-12-12T05:24:40Z",
          "ms": 2554435479822.4043
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-11T12:29:49+08:00",
          "utc": "2050-12-11T04:29:49Z",
          "ms": 2554345789284.7676
        },
        "end": {
          "local": "2050-12-12T13:24:40+08:00",
          "utc": "2050-12-12T05:24:40Z",
          "ms": 2554435479822.4043
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-12-11",
          "window": {
            "start": {
              "local": "2050-12-11T17:11:56+08:00",
              "utc": "2050-12-11T09:11:56Z",
              "ms": 2554362715762.9873
            },
            "end": {
              "local": "2050-12-11T18:59:44+08:00",
              "utc": "2050-12-11T10:59:44Z",
              "ms": 2554369184384.7617
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "2050-12-12",
          "window": {
            "start": {
              "local": "2050-12-12T17:12:13+08:00",
              "utc": "2050-12-12T09:12:13Z",
              "ms": 2554449133036.9014
            },
            "end": {
              "local": "2050-12-12T19:00:04+08:00",
              "utc": "2050-12-12T11:00:04Z",
              "ms": 2554455604441.432
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:30 on Sun 11 Dec to 13:25 on Mon 12 Dec.",
          "fact": "2050-12-11T04:29:49Z → 2050-12-12T05:24:40Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–19:00 on the 11th, 17:12–19:00 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 11th and 0 of 108 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13653 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 2050: Sunday 11 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-12-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 2050 falls on Sunday 11 December. Trayodaśī runs from 12:30 on Sun 11 Dec to 13:25 on Mon 12 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-12-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/shivaratri?on=2050-12-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35586,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2050-12-12T13:24:40+08:00",
          "utc": "2050-12-12T05:24:40Z",
          "ms": 2554435479822.4043
        },
        "end": {
          "local": "2050-12-13T13:40:02+08:00",
          "utc": "2050-12-13T05:40:02Z",
          "ms": 2554522802387.036
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-12T13:24:40+08:00",
          "utc": "2050-12-12T05:24:40Z",
          "ms": 2554435479822.4043
        },
        "end": {
          "local": "2050-12-13T13:40:02+08:00",
          "utc": "2050-12-13T05:40:02Z",
          "ms": 2554522802387.036
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2050-12-12",
          "window": {
            "start": {
              "local": "2050-12-12T23:32:41+08:00",
              "utc": "2050-12-12T15:32:41Z",
              "ms": 2554471960803.8926
            },
            "end": {
              "local": "2050-12-13T00:20:41+08:00",
              "utc": "2050-12-12T16:20:41Z",
              "ms": 2554474840803.8926
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-12-13",
          "window": {
            "start": {
              "local": "2050-12-13T23:33:09+08:00",
              "utc": "2050-12-13T15:33:09Z",
              "ms": 2554558388855.0557
            },
            "end": {
              "local": "2050-12-14T00:21:09+08:00",
              "utc": "2050-12-13T16:21:09Z",
              "ms": 2554561268855.0557
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:25 on Mon 12 Dec to 13:40 on Tue 13 Dec.",
          "fact": "2050-12-12T05:24:40Z → 2050-12-13T05:40:02Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:33–00:21 on the 12th, 23:33–00:21 on the 13th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35586 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Fuzhou, 2050: Monday 12 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": "2050-12-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śivarātri 2050 falls on Monday 12 December. Caturdaśī runs from 13:25 on Mon 12 Dec to 13:40 on Tue 13 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/shivaratri?on=2050-12-12",
      "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/2050/vinayaka-chaturthi?on=2050-12-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7965,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-12-17T09:22:02+08:00",
          "utc": "2050-12-17T01:22:02Z",
          "ms": 2554852922078.201
        },
        "end": {
          "local": "2050-12-18T07:27:48+08:00",
          "utc": "2050-12-17T23:27:48Z",
          "ms": 2554932467756.512
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-17T09:22:02+08:00",
          "utc": "2050-12-17T01:22:02Z",
          "ms": 2554852922078.201
        },
        "end": {
          "local": "2050-12-18T07:27:48+08:00",
          "utc": "2050-12-17T23:27:48Z",
          "ms": 2554932467756.512
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-12-17",
          "window": {
            "start": {
              "local": "2050-12-17T11:34:47+08:00",
              "utc": "2050-12-17T03:34:47Z",
              "ms": 2554860886714.12
            },
            "end": {
              "local": "2050-12-17T12:22:47+08:00",
              "utc": "2050-12-17T04:22:47Z",
              "ms": 2554863766714.12
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-12-18",
          "window": {
            "start": {
              "local": "2050-12-18T11:35:16+08:00",
              "utc": "2050-12-18T03:35:16Z",
              "ms": 2554947316396.698
            },
            "end": {
              "local": "2050-12-18T12:23:16+08:00",
              "utc": "2050-12-18T04:23:16Z",
              "ms": 2554950196396.698
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:22 on Sat 17 Dec to 07:28 on Sun 18 Dec.",
          "fact": "2050-12-17T01:22:02Z → 2050-12-17T23:27:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 17th, 11:35–12:23 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7965 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Fuzhou, 2050: Saturday 17 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-12-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Vināyaka Caturthī 2050 falls on Saturday 17 December. Caturthī runs from 09:22 on Sat 17 Dec to 07:28 on Sun 18 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/vinayaka-chaturthi?on=2050-12-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14849,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2050-12-18T07:27:48+08:00",
          "utc": "2050-12-17T23:27:48Z",
          "ms": 2554932467756.512
        },
        "end": {
          "local": "2050-12-19T05:25:50+08:00",
          "utc": "2050-12-18T21:25:50Z",
          "ms": 2555011549909.2715
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-18T07:27:48+08:00",
          "utc": "2050-12-17T23:27:48Z",
          "ms": 2554932467756.512
        },
        "end": {
          "local": "2050-12-19T05:25:50+08:00",
          "utc": "2050-12-18T21:25:50Z",
          "ms": 2555011549909.2715
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-12-18",
          "window": {
            "start": {
              "local": "2050-12-18T11:35:16+08:00",
              "utc": "2050-12-18T03:35:16Z",
              "ms": 2554947316396.698
            },
            "end": {
              "local": "2050-12-18T12:23:16+08:00",
              "utc": "2050-12-18T04:23:16Z",
              "ms": 2554950196396.698
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-12-19",
          "window": {
            "start": {
              "local": "2050-12-19T11:35:46+08:00",
              "utc": "2050-12-19T03:35:46Z",
              "ms": 2555033746219.6514
            },
            "end": {
              "local": "2050-12-19T12:23:46+08:00",
              "utc": "2050-12-19T04:23:46Z",
              "ms": 2555036626219.6514
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 07:28 on Sun 18 Dec to 05:26 on Mon 19 Dec.",
          "fact": "2050-12-17T23:27:48Z → 2050-12-18T21:25:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 18th, 11:36–12:24 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14849 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 2050: Sunday 18 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami-margashirsha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (2nd) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 2050 falls on Sunday 18 December. Pañcamī runs from 07:28 on Sun 18 Dec to 05:26 on Mon 19 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22196,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2050-12-19T05:25:50+08:00",
          "utc": "2050-12-18T21:25:50Z",
          "ms": 2555011549909.2715
        },
        "end": {
          "local": "2050-12-20T03:20:51+08:00",
          "utc": "2050-12-19T19:20:51Z",
          "ms": 2555090451132.159
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-19T05:25:50+08:00",
          "utc": "2050-12-18T21:25:50Z",
          "ms": 2555011549909.2715
        },
        "end": {
          "local": "2050-12-20T03:20:51+08:00",
          "utc": "2050-12-19T19:20:51Z",
          "ms": 2555090451132.159
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-12-19",
          "window": {
            "start": {
              "local": "2050-12-19T11:35:46+08:00",
              "utc": "2050-12-19T03:35:46Z",
              "ms": 2555033746219.6514
            },
            "end": {
              "local": "2050-12-19T12:23:46+08:00",
              "utc": "2050-12-19T04:23:46Z",
              "ms": 2555036626219.6514
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-12-20",
          "window": {
            "start": {
              "local": "2050-12-20T11:36:16+08:00",
              "utc": "2050-12-20T03:36:16Z",
              "ms": 2555120176145.992
            },
            "end": {
              "local": "2050-12-20T12:24:16+08:00",
              "utc": "2050-12-20T04:24:16Z",
              "ms": 2555123056145.992
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 05:26 on Mon 19 Dec to 03:21 on Tue 20 Dec.",
          "fact": "2050-12-18T21:25:50Z → 2050-12-19T19:20:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 19th, 11:36–12:24 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22196 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Fuzhou, 2050: Monday 19 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": "2050-12-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Campā Ṣaṣṭhī 2050 falls on Monday 19 December. Ṣaṣṭhī runs from 05:26 on Mon 19 Dec to 03:21 on Tue 20 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22196,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2050-12-19T05:25:50+08:00",
          "utc": "2050-12-18T21:25:50Z",
          "ms": 2555011549909.2715
        },
        "end": {
          "local": "2050-12-20T03:20:51+08:00",
          "utc": "2050-12-19T19:20:51Z",
          "ms": 2555090451132.159
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-19T05:25:50+08:00",
          "utc": "2050-12-18T21:25:50Z",
          "ms": 2555011549909.2715
        },
        "end": {
          "local": "2050-12-20T03:20:51+08:00",
          "utc": "2050-12-19T19:20:51Z",
          "ms": 2555090451132.159
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-12-19",
          "window": {
            "start": {
              "local": "2050-12-19T11:35:46+08:00",
              "utc": "2050-12-19T03:35:46Z",
              "ms": 2555033746219.6514
            },
            "end": {
              "local": "2050-12-19T12:23:46+08:00",
              "utc": "2050-12-19T04:23:46Z",
              "ms": 2555036626219.6514
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-12-20",
          "window": {
            "start": {
              "local": "2050-12-20T11:36:16+08:00",
              "utc": "2050-12-20T03:36:16Z",
              "ms": 2555120176145.992
            },
            "end": {
              "local": "2050-12-20T12:24:16+08:00",
              "utc": "2050-12-20T04:24:16Z",
              "ms": 2555123056145.992
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 05:26 on Mon 19 Dec to 03:21 on Tue 20 Dec.",
          "fact": "2050-12-18T21:25:50Z → 2050-12-19T19:20:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 19th, 11:36–12:24 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 22196 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Fuzhou, 2050: Monday 19 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-12-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Skanda Ṣaṣṭhī 2050 falls on Monday 19 December. Ṣaṣṭhī runs from 05:26 on Mon 19 Dec to 03:21 on Tue 20 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29725,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2050-12-20T03:20:51+08:00",
          "utc": "2050-12-19T19:20:51Z",
          "ms": 2555090451132.159
        },
        "end": {
          "local": "2050-12-21T01:16:26+08:00",
          "utc": "2050-12-20T17:16:26Z",
          "ms": 2555169385967.922
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-20T03:20:51+08:00",
          "utc": "2050-12-19T19:20:51Z",
          "ms": 2555090451132.159
        },
        "end": {
          "local": "2050-12-21T01:16:26+08:00",
          "utc": "2050-12-20T17:16:26Z",
          "ms": 2555169385967.922
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-12-20",
          "window": {
            "start": {
              "local": "2050-12-20T11:36:16+08:00",
              "utc": "2050-12-20T03:36:16Z",
              "ms": 2555120176145.992
            },
            "end": {
              "local": "2050-12-20T12:24:16+08:00",
              "utc": "2050-12-20T04:24:16Z",
              "ms": 2555123056145.992
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2050-12-21",
          "window": {
            "start": {
              "local": "2050-12-21T11:36:46+08:00",
              "utc": "2050-12-21T03:36:46Z",
              "ms": 2555206606139.74
            },
            "end": {
              "local": "2050-12-21T12:24:46+08:00",
              "utc": "2050-12-21T04:24:46Z",
              "ms": 2555209486139.74
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 03:21 on Tue 20 Dec to 01:16 on Wed 21 Dec.",
          "fact": "2050-12-19T19:20:51Z → 2050-12-20T17:16:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 20th, 11:37–12:25 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 29725 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Fuzhou, 2050: Tuesday 20 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mitra-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Mitra saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-12-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mitra Saptamī 2050 falls on Tuesday 20 December. Saptamī runs from 03:21 on Tue 20 Dec to 01:16 on Wed 21 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/ekadashi?on=2050-12-24",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39546,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2050-12-23T19:28:29+08:00",
          "utc": "2050-12-23T11:28:29Z",
          "ms": 2555407709473.06
        },
        "end": {
          "local": "2050-12-24T17:46:17+08:00",
          "utc": "2050-12-24T09:46:17Z",
          "ms": 2555487976892.3413
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-23T19:28:29+08:00",
          "utc": "2050-12-23T11:28:29Z",
          "ms": 2555407709473.06
        },
        "end": {
          "local": "2050-12-24T17:46:17+08:00",
          "utc": "2050-12-24T09:46:17Z",
          "ms": 2555487976892.3413
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2050-12-23",
          "window": {
            "start": {
              "local": "2050-12-23T06:46:43+08:00",
              "utc": "2050-12-22T22:46:43Z",
              "ms": 2555362002930.6914
            },
            "end": {
              "local": "2050-12-23T06:46:43+08:00",
              "utc": "2050-12-22T22:46:43Z",
              "ms": 2555362002930.6914
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2050-12-24",
          "window": {
            "start": {
              "local": "2050-12-24T06:47:11+08:00",
              "utc": "2050-12-23T22:47:11Z",
              "ms": 2555448430762.4785
            },
            "end": {
              "local": "2050-12-24T06:47:11+08:00",
              "utc": "2050-12-23T22:47:11Z",
              "ms": 2555448430762.4785
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:28 on Fri 23 Dec to 17:46 on Sat 24 Dec.",
          "fact": "2050-12-23T11:28:29Z → 2050-12-24T09:46:17Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:47 on the 23rd and 06:47 on the 24th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 39546 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Fuzhou, 2050: Saturday 24 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": "2050-12-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Mokṣadā Ekādaśī 2050 falls on Saturday 24 December. Ekādaśī runs from 19:28 on Fri 23 Dec to 17:46 on Sat 24 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/ekadashi?on=2050-12-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13649,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2050-12-24T17:46:17+08:00",
          "utc": "2050-12-24T09:46:17Z",
          "ms": 2555487976892.3413
        },
        "end": {
          "local": "2050-12-25T16:14:15+08:00",
          "utc": "2050-12-25T08:14:15Z",
          "ms": 2555568855478.7983
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-24T17:46:17+08:00",
          "utc": "2050-12-24T09:46:17Z",
          "ms": 2555487976892.3413
        },
        "end": {
          "local": "2050-12-25T16:14:15+08:00",
          "utc": "2050-12-25T08:14:15Z",
          "ms": 2555568855478.7983
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2050-12-24",
          "window": {
            "start": {
              "local": "2050-12-24T11:38:16+08:00",
              "utc": "2050-12-24T03:38:16Z",
              "ms": 2555465896183.0986
            },
            "end": {
              "local": "2050-12-24T12:26:16+08:00",
              "utc": "2050-12-24T04:26:16Z",
              "ms": 2555468776183.0986
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2050-12-25",
          "window": {
            "start": {
              "local": "2050-12-25T11:38:46+08:00",
              "utc": "2050-12-25T03:38:46Z",
              "ms": 2555552326109.9365
            },
            "end": {
              "local": "2050-12-25T12:26:46+08:00",
              "utc": "2050-12-25T04:26:46Z",
              "ms": 2555555206109.9365
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 17:46 on Sat 24 Dec to 16:14 on Sun 25 Dec.",
          "fact": "2050-12-24T09:46:17Z → 2050-12-25T08:14:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 24th, 11:39–12:27 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 13649 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Fuzhou, 2050: Sunday 25 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": "2050-12-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 2050 falls on Sunday 25 December. Dvādaśī runs from 17:46 on Sat 24 Dec to 16:14 on Sun 25 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/pradosha-vrata?on=2050-12-25",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3819,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2050-12-25T16:14:15+08:00",
          "utc": "2050-12-25T08:14:15Z",
          "ms": 2555568855478.7983
        },
        "end": {
          "local": "2050-12-26T14:55:35+08:00",
          "utc": "2050-12-26T06:55:35Z",
          "ms": 2555650535000.534
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-25T16:14:15+08:00",
          "utc": "2050-12-25T08:14:15Z",
          "ms": 2555568855478.7983
        },
        "end": {
          "local": "2050-12-26T14:55:35+08:00",
          "utc": "2050-12-26T06:55:35Z",
          "ms": 2555650535000.534
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-12-25",
          "window": {
            "start": {
              "local": "2050-12-25T17:17:55+08:00",
              "utc": "2050-12-25T09:17:55Z",
              "ms": 2555572674783.2886
            },
            "end": {
              "local": "2050-12-25T19:05:56+08:00",
              "utc": "2050-12-25T11:05:56Z",
              "ms": 2555579155868.8604
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "2050-12-26",
          "window": {
            "start": {
              "local": "2050-12-26T17:18:29+08:00",
              "utc": "2050-12-26T09:18:29Z",
              "ms": 2555659108957.623
            },
            "end": {
              "local": "2050-12-26T19:06:29+08:00",
              "utc": "2050-12-26T11:06:29Z",
              "ms": 2555665588723.4897
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:14 on Sun 25 Dec to 14:56 on Mon 26 Dec.",
          "fact": "2050-12-25T08:14:15Z → 2050-12-26T06:55:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:06 on the 25th, 17:18–19:06 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 25th and 0 of 108 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3819 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Fuzhou, 2050: Sunday 25 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": "2050-12-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Śukla Pradoṣa Vrata 2050 falls on Sunday 25 December. Trayodaśī runs from 16:14 on Sun 25 Dec to 14:56 on Mon 26 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/pradosha-vrata?on=2050-12-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/fuzhou/festivals/2050/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12280,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2050-12-27T13:54:24+08:00",
          "utc": "2050-12-27T05:54:24Z",
          "ms": 2555733264217.633
        },
        "end": {
          "local": "2050-12-28T13:15:39+08:00",
          "utc": "2050-12-28T05:15:39Z",
          "ms": 2555817338682.4375
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-27T13:54:24+08:00",
          "utc": "2050-12-27T05:54:24Z",
          "ms": 2555733264217.633
        },
        "end": {
          "local": "2050-12-28T13:15:39+08:00",
          "utc": "2050-12-28T05:15:39Z",
          "ms": 2555817338682.4375
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2050-12-27",
          "window": {
            "start": {
              "local": "2050-12-27T17:19:04+08:00",
              "utc": "2050-12-27T09:19:04Z",
              "ms": 2555745544093.4375
            },
            "end": {
              "local": "2050-12-27T19:07:02+08:00",
              "utc": "2050-12-27T11:07:02Z",
              "ms": 2555752022246.4814
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "2050-12-28",
          "window": {
            "start": {
              "local": "2050-12-28T17:19:40+08:00",
              "utc": "2050-12-28T09:19:40Z",
              "ms": 2555831980157.071
            },
            "end": {
              "local": "2050-12-28T19:07:36+08:00",
              "utc": "2050-12-28T11:07:36Z",
              "ms": 2555838456405.486
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:54 on Tue 27 Dec to 13:16 on Wed 28 Dec.",
          "fact": "2050-12-27T05:54:24Z → 2050-12-28T05:15:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:07 on the 27th, 17:20–19:08 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 108 of 108 minutes on the 27th and 0 of 108 on the 28th.",
          "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 12280 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Fuzhou, 2050: Tuesday 27 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dattatreyotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Dattatreyotpatti (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2050-12-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 2050 falls on Tuesday 27 December. Pūrṇimā runs from 13:54 on Tue 27 Dec to 13:16 on Wed 28 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/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/2050/sankashta-chaturthi?on=2050-12-31",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1810821",
      "year": 2050,
      "local_date": "2050-12-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19174,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2050-12-31T14:22:28+08:00",
          "utc": "2050-12-31T06:22:28Z",
          "ms": 2556080547619.1685
        },
        "end": {
          "local": "2051-01-01T15:55:03+08:00",
          "utc": "2051-01-01T07:55:03Z",
          "ms": 2556172503122.1626
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2050-12-31T14:22:28+08:00",
          "utc": "2050-12-31T06:22:28Z",
          "ms": 2556080547619.1685
        },
        "end": {
          "local": "2051-01-01T15:55:03+08:00",
          "utc": "2051-01-01T07:55:03Z",
          "ms": 2556172503122.1626
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2050-12-31",
          "window": {
            "start": {
              "local": "2050-12-31T20:22:18+08:00",
              "utc": "2050-12-31T12:22:18Z",
              "ms": 2556102138395.932
            },
            "end": {
              "local": "2050-12-31T20:22:18+08:00",
              "utc": "2050-12-31T12:22:18Z",
              "ms": 2556102138395.932
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2051-01-01",
          "window": {
            "start": {
              "local": "2051-01-01T21:14:37+08:00",
              "utc": "2051-01-01T13:14:37Z",
              "ms": 2556191676624.54
            },
            "end": {
              "local": "2051-01-01T21:14:37+08:00",
              "utc": "2051-01-01T13:14:37Z",
              "ms": 2556191676624.54
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 14:22 on Sat 31 Dec to 15:55 on Sun 1 Jan.",
          "fact": "2050-12-31T06:22:28Z → 2051-01-01T07:55:03Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:22 on the 31st and 21:15 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19174 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Fuzhou, 2050: Saturday 31 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": "2050-12-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2050-12-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 2050 falls on Saturday 31 December. Caturthī runs from 14:22 on Sat 31 Dec to 15:55 on Sun 1 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/fuzhou/festivals/2050/sankashta-chaturthi?on=2050-12-31",
      "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"
  }
}
