{ "id": "/fuzhou/festivals/1910", "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": 1910, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-01-07", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32335, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-01-06T15:50:24+08:00", "utc": "1910-01-06T07:50:24Z", "ms": -1892995775732.724 }, "end": { "local": "1910-01-07T17:53:01+08:00", "utc": "1910-01-07T09:53:01Z", "ms": -1892902018946.1016 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-01-06T15:50:24+08:00", "utc": "1910-01-06T07:50:24Z", "ms": -1892995775732.724 }, "end": { "local": "1910-01-07T17:53:01+08:00", "utc": "1910-01-07T09:53:01Z", "ms": -1892902018946.1016 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-01-06", "window": { "start": { "local": "1910-01-06T06:51:29+08:00", "utc": "1910-01-05T22:51:29Z", "ms": -1893028110616.579 }, "end": { "local": "1910-01-06T06:51:29+08:00", "utc": "1910-01-05T22:51:29Z", "ms": -1893028110616.579 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-01-07", "window": { "start": { "local": "1910-01-07T06:51:40+08:00", "utc": "1910-01-06T22:51:40Z", "ms": -1892941699921.9326 }, "end": { "local": "1910-01-07T06:51:40+08:00", "utc": "1910-01-06T22:51:40Z", "ms": -1892941699921.9326 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:50 on Thu 6 Jan to 17:53 on Fri 7 Jan.", "fact": "1910-01-06T07:50:24Z → 1910-01-07T09:53:01Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 6th and 06:52 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32335 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Fuzhou, 1910: Friday 7 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-01-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Saphalā Ekādaśī 1910 falls on Friday 7 January. Ekādaśī runs from 15:50 on Thu 6 Jan to 17:53 on Fri 7 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-01-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-01-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 437, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-01-08T19:21:26+08:00", "utc": "1910-01-08T11:21:26Z", "ms": -1892810313687.6882 }, "end": { "local": "1910-01-09T20:10:31+08:00", "utc": "1910-01-09T12:10:31Z", "ms": -1892720968862.8293 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-01-08T19:21:26+08:00", "utc": "1910-01-08T11:21:26Z", "ms": -1892810313687.6882 }, "end": { "local": "1910-01-09T20:10:31+08:00", "utc": "1910-01-09T12:10:31Z", "ms": -1892720968862.8293 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-01-08", "window": { "start": { "local": "1910-01-08T17:26:48+08:00", "utc": "1910-01-08T09:26:48Z", "ms": -1892817192378.3381 }, "end": { "local": "1910-01-08T19:14:09+08:00", "utc": "1910-01-08T11:14:09Z", "ms": -1892810751112.4788 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1910-01-09", "window": { "start": { "local": "1910-01-09T17:27:32+08:00", "utc": "1910-01-09T09:27:32Z", "ms": -1892730748380.8215 }, "end": { "local": "1910-01-09T19:14:48+08:00", "utc": "1910-01-09T11:14:48Z", "ms": -1892724312139.529 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:21 on Sat 8 Jan to 20:11 on Sun 9 Jan.", "fact": "1910-01-08T11:21:26Z → 1910-01-09T12:10:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:27–19:14 on the 8th, 17:28–19:15 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 8th and 107 of 107 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 437 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Sunday 9 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": "1910-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-09", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Sunday 9 January. Trayodaśī runs from 19:21 on Sat 8 Jan to 20:11 on Sun 9 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-01-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12406, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-01-09T20:10:31+08:00", "utc": "1910-01-09T12:10:31Z", "ms": -1892720968862.8293 }, "end": { "local": "1910-01-10T20:19:26+08:00", "utc": "1910-01-10T12:19:26Z", "ms": -1892634033987.1995 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-01-09T20:10:31+08:00", "utc": "1910-01-09T12:10:31Z", "ms": -1892720968862.8293 }, "end": { "local": "1910-01-10T20:19:26+08:00", "utc": "1910-01-10T12:19:26Z", "ms": -1892634033987.1995 } }, "kaala": "nishita", "days": [ { "local_date": "1910-01-09", "window": { "start": { "local": "1910-01-09T23:45:48+08:00", "utc": "1910-01-09T15:45:48Z", "ms": -1892708052475.975 }, "end": { "local": "1910-01-10T00:33:48+08:00", "utc": "1910-01-09T16:33:48Z", "ms": -1892705172475.975 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-01-10", "window": { "start": { "local": "1910-01-10T23:46:12+08:00", "utc": "1910-01-10T15:46:12Z", "ms": -1892621627845.6428 }, "end": { "local": "1910-01-11T00:34:12+08:00", "utc": "1910-01-10T16:34:12Z", "ms": -1892618747845.6428 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:11 on Sun 9 Jan to 20:19 on Mon 10 Jan.", "fact": "1910-01-09T12:10:31Z → 1910-01-10T12:19:26Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 9th, 23:46–00:34 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12406 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Sunday 9 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-01-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Sunday 9 January. Caturdaśī runs from 20:11 on Sun 9 Jan to 20:19 on Mon 10 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-01-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21522, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 }, "end": { "local": "1910-02-12T12:30:39+08:00", "utc": "1910-02-12T04:30:39Z", "ms": -1889810960628.696 } }, "span": { "of": "transit", "start": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 }, "end": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 } }, "kaala": "sunset-day", "days": [ { "local_date": "1910-01-13", "window": { "start": { "local": "1910-01-12T17:29:46+08:00", "utc": "1910-01-12T09:29:46Z", "ms": -1892471413936.2048 }, "end": { "local": "1910-01-13T17:30:32+08:00", "utc": "1910-01-13T09:30:32Z", "ms": -1892384968452.931 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1910-01-14", "window": { "start": { "local": "1910-01-13T17:30:32+08:00", "utc": "1910-01-13T09:30:32Z", "ms": -1892384968452.931 }, "end": { "local": "1910-01-14T17:31:17+08:00", "utc": "1910-01-14T09:31:17Z", "ms": -1892298522709.0498 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1910-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:29 on Thu 13 Jan.", "fact": "1910-01-13T15:29:13Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th ends at 17:31.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 21522 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Fuzhou, 1910: Thursday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1910-01-12", "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": "1910-01-12", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Fuzhou, Bhogi 1910 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 23:29 on Thu 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1847, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 }, "end": { "local": "1910-02-12T12:30:39+08:00", "utc": "1910-02-12T04:30:39Z", "ms": -1889810960628.696 } }, "span": { "of": "transit", "start": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 }, "end": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 } }, "kaala": "civil-day", "days": [ { "local_date": "1910-01-13", "window": { "start": { "local": "1910-01-13T00:00:00+08:00", "utc": "1910-01-12T16:00:00Z", "ms": -1892448000000 }, "end": { "local": "1910-01-14T00:00:00+08:00", "utc": "1910-01-13T16:00:00Z", "ms": -1892361600000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true }, { "local_date": "1910-01-14", "window": { "start": { "local": "1910-01-14T00:00:00+08:00", "utc": "1910-01-13T16:00:00Z", "ms": -1892361600000 }, "end": { "local": "1910-01-15T00:00:00+08:00", "utc": "1910-01-14T16:00:00Z", "ms": -1892275200000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:29 on Thu 13 Jan.", "fact": "1910-01-13T15:29:13Z · 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 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 1847 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Fuzhou, 1910: Thursday 13 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": "1910-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1910-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1910-01-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Fuzhou, Makara Saṅkrānti 1910 falls on Thursday 13 January. The Sun enters Makara at 23:29 on Thu 13 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 14 January.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21522, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 }, "end": { "local": "1910-02-12T12:30:39+08:00", "utc": "1910-02-12T04:30:39Z", "ms": -1889810960628.696 } }, "span": { "of": "transit", "start": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 }, "end": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 } }, "kaala": "sunset-day", "days": [ { "local_date": "1910-01-13", "window": { "start": { "local": "1910-01-12T17:29:46+08:00", "utc": "1910-01-12T09:29:46Z", "ms": -1892471413936.2048 }, "end": { "local": "1910-01-13T17:30:32+08:00", "utc": "1910-01-13T09:30:32Z", "ms": -1892384968452.931 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1910-01-14", "window": { "start": { "local": "1910-01-13T17:30:32+08:00", "utc": "1910-01-13T09:30:32Z", "ms": -1892384968452.931 }, "end": { "local": "1910-01-14T17:31:17+08:00", "utc": "1910-01-14T09:31:17Z", "ms": -1892298522709.0498 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:29 on Thu 13 Jan.", "fact": "1910-01-13T15:29:13Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th ends at 17:31.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 21522 s" }, { "step": "ruling", "text": "Pongal, Fuzhou, 1910: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1910-01-13", "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": "1910-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Fuzhou, Pongal 1910 falls on Friday 14 January. The Sun enters Makara at 23:29 on Thu 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21522, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 }, "end": { "local": "1910-02-12T12:30:39+08:00", "utc": "1910-02-12T04:30:39Z", "ms": -1889810960628.696 } }, "span": { "of": "transit", "start": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 }, "end": { "local": "1910-01-13T23:29:13+08:00", "utc": "1910-01-13T15:29:13Z", "ms": -1892363446638.2688 } }, "kaala": "sunset-day", "days": [ { "local_date": "1910-01-13", "window": { "start": { "local": "1910-01-12T17:29:46+08:00", "utc": "1910-01-12T09:29:46Z", "ms": -1892471413936.2048 }, "end": { "local": "1910-01-13T17:30:32+08:00", "utc": "1910-01-13T09:30:32Z", "ms": -1892384968452.931 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1910-01-14", "window": { "start": { "local": "1910-01-13T17:30:32+08:00", "utc": "1910-01-13T09:30:32Z", "ms": -1892384968452.931 }, "end": { "local": "1910-01-14T17:31:17+08:00", "utc": "1910-01-14T09:31:17Z", "ms": -1892298522709.0498 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1910-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 23:29 on Thu 13 Jan.", "fact": "1910-01-13T15:29:13Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th ends at 17:31.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 21522 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Fuzhou, 1910: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1910-01-14", "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": "1910-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Fuzhou, Mattu Pongal 1910 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 23:29 on Thu 13 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from midnight, or counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vinayaka-chaturthi?on=1910-01-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3723, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-01-14T15:36:44+08:00", "utc": "1910-01-14T07:36:44Z", "ms": -1892305396007.329 }, "end": { "local": "1910-01-15T13:38:11+08:00", "utc": "1910-01-15T05:38:11Z", "ms": -1892226108889.9026 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-01-14T15:36:44+08:00", "utc": "1910-01-14T07:36:44Z", "ms": -1892305396007.329 }, "end": { "local": "1910-01-15T13:38:11+08:00", "utc": "1910-01-15T05:38:11Z", "ms": -1892226108889.9026 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-01-14", "window": { "start": { "local": "1910-01-14T11:47:45+08:00", "utc": "1910-01-14T03:47:45Z", "ms": -1892319134516.5747 }, "end": { "local": "1910-01-14T12:35:45+08:00", "utc": "1910-01-14T04:35:45Z", "ms": -1892316254516.5747 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-01-15", "window": { "start": { "local": "1910-01-15T11:48:08+08:00", "utc": "1910-01-15T03:48:08Z", "ms": -1892232712157.3335 }, "end": { "local": "1910-01-15T12:36:08+08:00", "utc": "1910-01-15T04:36:08Z", "ms": -1892229832157.3335 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:37 on Fri 14 Jan to 13:38 on Sat 15 Jan.", "fact": "1910-01-14T07:36:44Z → 1910-01-15T05:38:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 14th, 11:48–12:36 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3723 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Saturday 15 January. Caturthī runs from 15:37 on Fri 14 Jan to 13:38 on Sat 15 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-01-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-01-21", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18763, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-01-21T01:38:49+08:00", "utc": "1910-01-20T17:38:49Z", "ms": -1891750870577.0146 }, "end": { "local": "1910-01-22T00:00:25+08:00", "utc": "1910-01-21T16:00:25Z", "ms": -1891670374843.4924 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-01-21T01:38:49+08:00", "utc": "1910-01-20T17:38:49Z", "ms": -1891750870577.0146 }, "end": { "local": "1910-01-22T00:00:25+08:00", "utc": "1910-01-21T16:00:25Z", "ms": -1891670374843.4924 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-01-21", "window": { "start": { "local": "1910-01-21T06:51:33+08:00", "utc": "1910-01-20T22:51:33Z", "ms": -1891732107352.2952 }, "end": { "local": "1910-01-21T06:51:33+08:00", "utc": "1910-01-20T22:51:33Z", "ms": -1891732107352.2952 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-01-22", "window": { "start": { "local": "1910-01-22T06:51:21+08:00", "utc": "1910-01-21T22:51:21Z", "ms": -1891645719342.1152 }, "end": { "local": "1910-01-22T06:51:21+08:00", "utc": "1910-01-21T22:51:21Z", "ms": -1891645719342.1152 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:39 on Fri 21 Jan to 00:00 on Sat 22 Jan.", "fact": "1910-01-20T17:38:49Z → 1910-01-21T16:00:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 21st and 06:51 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18763 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 1910: Friday 21 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 1910 falls on Friday 21 January. Ekādaśī runs from 01:39 on Fri 21 Jan to 00:00 on Sat 22 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-01-21", "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/1910/pradosha-vrata?on=1910-01-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6921, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-01-22T22:32:54+08:00", "utc": "1910-01-22T14:32:54Z", "ms": -1891589225648.173 }, "end": { "local": "1910-01-23T21:19:17+08:00", "utc": "1910-01-23T13:19:17Z", "ms": -1891507243307.96 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-01-22T22:32:54+08:00", "utc": "1910-01-22T14:32:54Z", "ms": -1891589225648.173 }, "end": { "local": "1910-01-23T21:19:17+08:00", "utc": "1910-01-23T13:19:17Z", "ms": -1891507243307.96 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-01-22", "window": { "start": { "local": "1910-01-22T17:37:28+08:00", "utc": "1910-01-22T09:37:28Z", "ms": -1891606952138.973 }, "end": { "local": "1910-01-22T19:23:17+08:00", "utc": "1910-01-22T11:23:17Z", "ms": -1891600602899.1401 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1910-01-23", "window": { "start": { "local": "1910-01-23T17:38:14+08:00", "utc": "1910-01-23T09:38:14Z", "ms": -1891520505756.708 }, "end": { "local": "1910-01-23T19:23:55+08:00", "utc": "1910-01-23T11:23:55Z", "ms": -1891514164700.3333 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:33 on Sat 22 Jan to 21:19 on Sun 23 Jan.", "fact": "1910-01-22T14:32:54Z → 1910-01-23T13:19:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:37–19:23 on the 22nd, 17:38–19:24 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 22nd and 106 of 106 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6921 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Sunday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Sunday 23 January. Trayodaśī runs from 22:33 on Sat 22 Jan to 21:19 on Sun 23 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-01-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-01-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3127, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-01-28T21:13:19+08:00", "utc": "1910-01-28T13:13:19Z", "ms": -1891075600561.2627 }, "end": { "local": "1910-01-29T22:50:05+08:00", "utc": "1910-01-29T14:50:05Z", "ms": -1890983395213.9346 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-01-28T21:13:19+08:00", "utc": "1910-01-28T13:13:19Z", "ms": -1891075600561.2627 }, "end": { "local": "1910-01-29T22:50:05+08:00", "utc": "1910-01-29T14:50:05Z", "ms": -1890983395213.9346 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-01-28", "window": { "start": { "local": "1910-01-28T20:21:12+08:00", "utc": "1910-01-28T12:21:12Z", "ms": -1891078728001.9282 }, "end": { "local": "1910-01-28T20:21:12+08:00", "utc": "1910-01-28T12:21:12Z", "ms": -1891078728001.9282 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-01-29", "window": { "start": { "local": "1910-01-29T21:14:18+08:00", "utc": "1910-01-29T13:14:18Z", "ms": -1890989141917.3484 }, "end": { "local": "1910-01-29T21:14:18+08:00", "utc": "1910-01-29T13:14:18Z", "ms": -1890989141917.3484 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:13 on Fri 28 Jan to 22:50 on Sat 29 Jan.", "fact": "1910-01-28T13:13:19Z → 1910-01-29T14:50:05Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 28th and 21:14 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3127 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Saturday 29 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": "1910-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-01-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Saturday 29 January. Caturthī runs from 21:13 on Fri 28 Jan to 22:50 on Sat 29 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-01-29", "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/1910/ekadashi?on=1910-02-06", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20632, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-02-05T12:29:54+08:00", "utc": "1910-02-05T04:29:54Z", "ms": -1890415806362.238 }, "end": { "local": "1910-02-06T13:21:28+08:00", "utc": "1910-02-06T05:21:28Z", "ms": -1890326312222.156 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-05T12:29:54+08:00", "utc": "1910-02-05T04:29:54Z", "ms": -1890415806362.238 }, "end": { "local": "1910-02-06T13:21:28+08:00", "utc": "1910-02-06T05:21:28Z", "ms": -1890326312222.156 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-02-05", "window": { "start": { "local": "1910-02-05T06:46:01+08:00", "utc": "1910-02-04T22:46:01Z", "ms": -1890436438720.0225 }, "end": { "local": "1910-02-05T06:46:01+08:00", "utc": "1910-02-04T22:46:01Z", "ms": -1890436438720.0225 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-02-06", "window": { "start": { "local": "1910-02-06T06:45:28+08:00", "utc": "1910-02-05T22:45:28Z", "ms": -1890350071677.8535 }, "end": { "local": "1910-02-06T06:45:28+08:00", "utc": "1910-02-05T22:45:28Z", "ms": -1890350071677.8535 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:30 on Sat 5 Feb to 13:21 on Sun 6 Feb.", "fact": "1910-02-05T04:29:54Z → 1910-02-06T05:21:28Z" }, { "step": "kaala", "text": "Sunrise is at 06:46 on the 5th and 06:45 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20632 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 1910: Sunday 6 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 1910 falls on Sunday 6 February. Ekādaśī runs from 12:30 on Sat 5 Feb to 13:21 on Sun 6 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-02-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-02-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15893, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-02-07T13:24:36+08:00", "utc": "1910-02-07T05:24:36Z", "ms": -1890239724337.856 }, "end": { "local": "1910-02-08T12:40:24+08:00", "utc": "1910-02-08T04:40:24Z", "ms": -1890155975697.2085 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-07T13:24:36+08:00", "utc": "1910-02-07T05:24:36Z", "ms": -1890239724337.856 }, "end": { "local": "1910-02-08T12:40:24+08:00", "utc": "1910-02-08T04:40:24Z", "ms": -1890155975697.2085 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-02-07", "window": { "start": { "local": "1910-02-07T17:49:28+08:00", "utc": "1910-02-07T09:49:28Z", "ms": -1890223831644.4731 }, "end": { "local": "1910-02-07T19:32:47+08:00", "utc": "1910-02-07T11:32:47Z", "ms": -1890217632936.4976 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1910-02-08", "window": { "start": { "local": "1910-02-08T17:50:11+08:00", "utc": "1910-02-08T09:50:11Z", "ms": -1890137388977.591 }, "end": { "local": "1910-02-08T19:33:19+08:00", "utc": "1910-02-08T11:33:19Z", "ms": -1890131200846.5906 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:25 on Mon 7 Feb to 12:40 on Tue 8 Feb.", "fact": "1910-02-07T05:24:36Z → 1910-02-08T04:40:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:49–19:33 on the 7th, 17:50–19:33 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 7th and 0 of 103 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15893 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Monday 7 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Monday 7 February. Trayodaśī runs from 13:25 on Mon 7 Feb to 12:40 on Tue 8 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-02-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-02-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37979, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-02-08T12:40:24+08:00", "utc": "1910-02-08T04:40:24Z", "ms": -1890155975697.2085 }, "end": { "local": "1910-02-09T11:13:55+08:00", "utc": "1910-02-09T03:13:55Z", "ms": -1890074764841.2046 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-08T12:40:24+08:00", "utc": "1910-02-08T04:40:24Z", "ms": -1890155975697.2085 }, "end": { "local": "1910-02-09T11:13:55+08:00", "utc": "1910-02-09T03:13:55Z", "ms": -1890074764841.2046 } }, "kaala": "nishita", "days": [ { "local_date": "1910-02-07", "window": { "start": { "local": "1910-02-07T23:52:54+08:00", "utc": "1910-02-07T15:52:54Z", "ms": -1890202026489.5645 }, "end": { "local": "1910-02-08T00:40:54+08:00", "utc": "1910-02-07T16:40:54Z", "ms": -1890199146489.5645 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-02-08", "window": { "start": { "local": "1910-02-08T23:52:57+08:00", "utc": "1910-02-08T15:52:57Z", "ms": -1890115623486.3396 }, "end": { "local": "1910-02-09T00:40:57+08:00", "utc": "1910-02-08T16:40:57Z", "ms": -1890112743486.3396 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:40 on Tue 8 Feb to 11:14 on Wed 9 Feb.", "fact": "1910-02-08T04:40:24Z → 1910-02-09T03:13:55Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 7th, 23:53–00:41 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37979 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Tuesday 8 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Tuesday 8 February. Caturdaśī runs from 12:40 on Tue 8 Feb to 11:14 on Wed 9 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-02-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16213, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-02-08T12:40:24+08:00", "utc": "1910-02-08T04:40:24Z", "ms": -1890155975697.2085 }, "end": { "local": "1910-02-09T11:13:55+08:00", "utc": "1910-02-09T03:13:55Z", "ms": -1890074764841.2046 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-08T12:40:24+08:00", "utc": "1910-02-08T04:40:24Z", "ms": -1890155975697.2085 }, "end": { "local": "1910-02-09T11:13:55+08:00", "utc": "1910-02-09T03:13:55Z", "ms": -1890074764841.2046 } }, "kaala": "arunodaya", "days": [ { "local_date": "1910-02-08", "window": { "start": { "local": "1910-02-08T05:01:00+08:00", "utc": "1910-02-07T21:01:00Z", "ms": -1890183540042.6316 }, "end": { "local": "1910-02-08T06:44:19+08:00", "utc": "1910-02-07T22:44:19Z", "ms": -1890177341334.656 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1910-02-09", "window": { "start": { "local": "1910-02-09T05:00:34+08:00", "utc": "1910-02-08T21:00:34Z", "ms": -1890097166126.0886 }, "end": { "local": "1910-02-09T06:43:42+08:00", "utc": "1910-02-08T22:43:42Z", "ms": -1890090977995.0881 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:40 on Tue 8 Feb to 11:14 on Wed 9 Feb.", "fact": "1910-02-08T04:40:24Z → 1910-02-09T03:13:55Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:01–06:44 on the 8th, 05:01–06:44 on the 9th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 103 minutes on the 8th and 103 of 103 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16213 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Fuzhou, 1910: Wednesday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Tarpaṇa 1910 falls on Wednesday 9 February. Caturdaśī runs from 12:40 on Tue 8 Feb to 11:14 on Wed 9 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35239, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-02-13T01:15:12+08:00", "utc": "1910-02-12T17:15:12Z", "ms": -1889765088363.0876 }, "end": { "local": "1910-02-13T22:28:40+08:00", "utc": "1910-02-13T14:28:40Z", "ms": -1889688679555.7546 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-13T01:15:12+08:00", "utc": "1910-02-12T17:15:12Z", "ms": -1889765088363.0876 }, "end": { "local": "1910-02-13T22:28:40+08:00", "utc": "1910-02-13T14:28:40Z", "ms": -1889688679555.7546 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-02-12", "window": { "start": { "local": "1910-02-12T11:53:21+08:00", "utc": "1910-02-12T03:53:21Z", "ms": -1889813198642.2732 }, "end": { "local": "1910-02-12T12:41:21+08:00", "utc": "1910-02-12T04:41:21Z", "ms": -1889810318642.2732 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-02-13", "window": { "start": { "local": "1910-02-13T11:53:21+08:00", "utc": "1910-02-13T03:53:21Z", "ms": -1889726798980.6755 }, "end": { "local": "1910-02-13T12:41:21+08:00", "utc": "1910-02-13T04:41:21Z", "ms": -1889723918980.6755 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:15 on Sun 13 Feb to 22:29 on Sun 13 Feb.", "fact": "1910-02-12T17:15:12Z → 1910-02-13T14:28:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 12th, 11:53–12:41 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35239 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Fuzhou, 1910: Sunday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1910 falls on Sunday 13 February. Caturthī runs from 01:15 on Sun 13 Feb to 22:29 on Sun 13 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10368, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-02-13T01:15:12+08:00", "utc": "1910-02-12T17:15:12Z", "ms": -1889765088363.0876 }, "end": { "local": "1910-02-13T22:28:40+08:00", "utc": "1910-02-13T14:28:40Z", "ms": -1889688679555.7546 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-13T01:15:12+08:00", "utc": "1910-02-12T17:15:12Z", "ms": -1889765088363.0876 }, "end": { "local": "1910-02-13T22:28:40+08:00", "utc": "1910-02-13T14:28:40Z", "ms": -1889688679555.7546 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-02-12", "window": { "start": { "local": "1910-02-12T17:52:58+08:00", "utc": "1910-02-12T09:52:58Z", "ms": -1889791622208.2446 }, "end": { "local": "1910-02-12T19:35:23+08:00", "utc": "1910-02-12T11:35:23Z", "ms": -1889785477434.5798 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1910-02-13", "window": { "start": { "local": "1910-02-13T17:53:38+08:00", "utc": "1910-02-13T09:53:38Z", "ms": -1889705181555.5916 }, "end": { "local": "1910-02-13T19:35:52+08:00", "utc": "1910-02-13T11:35:52Z", "ms": -1889699047861.8289 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:15 on Sun 13 Feb to 22:29 on Sun 13 Feb.", "fact": "1910-02-12T17:15:12Z → 1910-02-13T14:28:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:35 on the 12th, 17:54–19:36 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 102 minutes on the 12th and 102 of 102 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10368 s" }, { "step": "ruling", "text": "Tila Caturthī, Fuzhou, 1910: Sunday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Tila Caturthī 1910 falls on Sunday 13 February. Caturthī runs from 01:15 on Sun 13 Feb to 22:29 on Sun 13 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25816, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1910-02-13T22:28:40+08:00", "utc": "1910-02-13T14:28:40Z", "ms": -1889688679555.7546 }, "end": { "local": "1910-02-14T19:51:35+08:00", "utc": "1910-02-14T11:51:35Z", "ms": -1889611704555.477 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-13T22:28:40+08:00", "utc": "1910-02-13T14:28:40Z", "ms": -1889688679555.7546 }, "end": { "local": "1910-02-14T19:51:35+08:00", "utc": "1910-02-14T11:51:35Z", "ms": -1889611704555.477 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-02-13", "window": { "start": { "local": "1910-02-13T11:53:21+08:00", "utc": "1910-02-13T03:53:21Z", "ms": -1889726798980.6755 }, "end": { "local": "1910-02-13T12:41:21+08:00", "utc": "1910-02-13T04:41:21Z", "ms": -1889723918980.6755 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-02-14", "window": { "start": { "local": "1910-02-14T11:53:20+08:00", "utc": "1910-02-14T03:53:20Z", "ms": -1889640400096.0464 }, "end": { "local": "1910-02-14T12:41:20+08:00", "utc": "1910-02-14T04:41:20Z", "ms": -1889637520096.0464 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:29 on Sun 13 Feb to 19:52 on Mon 14 Feb.", "fact": "1910-02-13T14:28:40Z → 1910-02-14T11:51:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 13th, 11:53–12:41 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25816 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Fuzhou, 1910: Monday 14 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Pañcamī 1910 falls on Monday 14 February. Pañcamī runs from 22:29 on Sun 13 Feb to 19:52 on Mon 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25816, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1910-02-13T22:28:40+08:00", "utc": "1910-02-13T14:28:40Z", "ms": -1889688679555.7546 }, "end": { "local": "1910-02-14T19:51:35+08:00", "utc": "1910-02-14T11:51:35Z", "ms": -1889611704555.477 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-13T22:28:40+08:00", "utc": "1910-02-13T14:28:40Z", "ms": -1889688679555.7546 }, "end": { "local": "1910-02-14T19:51:35+08:00", "utc": "1910-02-14T11:51:35Z", "ms": -1889611704555.477 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-02-13", "window": { "start": { "local": "1910-02-13T11:53:21+08:00", "utc": "1910-02-13T03:53:21Z", "ms": -1889726798980.6755 }, "end": { "local": "1910-02-13T12:41:21+08:00", "utc": "1910-02-13T04:41:21Z", "ms": -1889723918980.6755 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-02-14", "window": { "start": { "local": "1910-02-14T11:53:20+08:00", "utc": "1910-02-14T03:53:20Z", "ms": -1889640400096.0464 }, "end": { "local": "1910-02-14T12:41:20+08:00", "utc": "1910-02-14T04:41:20Z", "ms": -1889637520096.0464 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:29 on Sun 13 Feb to 19:52 on Mon 14 Feb.", "fact": "1910-02-13T14:28:40Z → 1910-02-14T11:51:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 13th, 11:53–12:41 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25816 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Fuzhou, 1910: Monday 14 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasanta Pañcamī 1910 falls on Monday 14 February. Pañcamī runs from 22:29 on Sun 13 Feb to 19:52 on Mon 14 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31640, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1910-02-15T17:29:31+08:00", "utc": "1910-02-15T09:29:31Z", "ms": -1889533828717.026 }, "end": { "local": "1910-02-16T15:26:13+08:00", "utc": "1910-02-16T07:26:13Z", "ms": -1889454827324.4868 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-15T17:29:31+08:00", "utc": "1910-02-15T09:29:31Z", "ms": -1889533828717.026 }, "end": { "local": "1910-02-16T15:26:13+08:00", "utc": "1910-02-16T07:26:13Z", "ms": -1889454827324.4868 } }, "kaala": "arunodaya", "days": [ { "local_date": "1910-02-15", "window": { "start": { "local": "1910-02-15T04:57:35+08:00", "utc": "1910-02-14T20:57:35Z", "ms": -1889578944919.8542 }, "end": { "local": "1910-02-15T06:39:38+08:00", "utc": "1910-02-14T22:39:38Z", "ms": -1889572822393.7207 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1910-02-16", "window": { "start": { "local": "1910-02-16T04:57:02+08:00", "utc": "1910-02-15T20:57:02Z", "ms": -1889492578280.701 }, "end": { "local": "1910-02-16T06:38:53+08:00", "utc": "1910-02-15T22:38:53Z", "ms": -1889486467005.7815 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:30 on Tue 15 Feb to 15:26 on Wed 16 Feb.", "fact": "1910-02-15T09:29:31Z → 1910-02-16T07:26:13Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:58–06:40 on the 15th, 04:57–06:39 on the 16th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 102 minutes on the 15th and 102 of 102 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31640 s" }, { "step": "ruling", "text": "Ratha Saptamī, Fuzhou, 1910: Wednesday 16 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Ratha Saptamī 1910 falls on Wednesday 16 February. Saptamī runs from 17:30 on Tue 15 Feb to 15:26 on Wed 16 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-02-20", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14771, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-02-19T11:21:56+08:00", "utc": "1910-02-19T03:21:56Z", "ms": -1889210283963.926 }, "end": { "local": "1910-02-20T10:41:55+08:00", "utc": "1910-02-20T02:41:55Z", "ms": -1889126285103.0488 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-19T11:21:56+08:00", "utc": "1910-02-19T03:21:56Z", "ms": -1889210283963.926 }, "end": { "local": "1910-02-20T10:41:55+08:00", "utc": "1910-02-20T02:41:55Z", "ms": -1889126285103.0488 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-02-19", "window": { "start": { "local": "1910-02-19T06:36:33+08:00", "utc": "1910-02-18T22:36:33Z", "ms": -1889227407004.1177 }, "end": { "local": "1910-02-19T06:36:33+08:00", "utc": "1910-02-18T22:36:33Z", "ms": -1889227407004.1177 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-02-20", "window": { "start": { "local": "1910-02-20T06:35:44+08:00", "utc": "1910-02-19T22:35:44Z", "ms": -1889141055631.3384 }, "end": { "local": "1910-02-20T06:35:44+08:00", "utc": "1910-02-19T22:35:44Z", "ms": -1889141055631.3384 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:22 on Sat 19 Feb to 10:42 on Sun 20 Feb.", "fact": "1910-02-19T03:21:56Z → 1910-02-20T02:41:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:37 on the 19th and 06:36 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14771 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Fuzhou, 1910: Sunday 20 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Jayā Ekādaśī 1910 falls on Sunday 20 February. Ekādaśī runs from 11:22 on Sat 19 Feb to 10:42 on Sun 20 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-02-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4263, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1910-02-20T10:41:55+08:00", "utc": "1910-02-20T02:41:55Z", "ms": -1889126285103.0488 }, "end": { "local": "1910-02-21T10:22:09+08:00", "utc": "1910-02-21T02:22:09Z", "ms": -1889041070945.1433 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-20T10:41:55+08:00", "utc": "1910-02-20T02:41:55Z", "ms": -1889126285103.0488 }, "end": { "local": "1910-02-21T10:22:09+08:00", "utc": "1910-02-21T02:22:09Z", "ms": -1889041070945.1433 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-02-20", "window": { "start": { "local": "1910-02-20T11:52:57+08:00", "utc": "1910-02-20T03:52:57Z", "ms": -1889122022546.3188 }, "end": { "local": "1910-02-20T12:40:57+08:00", "utc": "1910-02-20T04:40:57Z", "ms": -1889119142546.3188 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-02-21", "window": { "start": { "local": "1910-02-21T11:52:51+08:00", "utc": "1910-02-21T03:52:51Z", "ms": -1889035628786.2979 }, "end": { "local": "1910-02-21T12:40:51+08:00", "utc": "1910-02-21T04:40:51Z", "ms": -1889032748786.2979 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:42 on Sun 20 Feb to 10:22 on Mon 21 Feb.", "fact": "1910-02-20T02:41:55Z → 1910-02-21T02:22:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 20th, 11:53–12:41 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4263 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Fuzhou, 1910: Sunday 20 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhīṣma Dvādaśī 1910 falls on Sunday 20 February. Dvādaśī runs from 10:42 on Sun 20 Feb to 10:22 on Mon 21 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pradosha-vrata?on=1910-02-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27363, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-02-21T10:22:09+08:00", "utc": "1910-02-21T02:22:09Z", "ms": -1889041070945.1433 }, "end": { "local": "1910-02-22T10:23:21+08:00", "utc": "1910-02-22T02:23:21Z", "ms": -1888954598906.2769 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-21T10:22:09+08:00", "utc": "1910-02-21T02:22:09Z", "ms": -1889041070945.1433 }, "end": { "local": "1910-02-22T10:23:21+08:00", "utc": "1910-02-22T02:23:21Z", "ms": -1888954598906.2769 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-02-21", "window": { "start": { "local": "1910-02-21T17:58:48+08:00", "utc": "1910-02-21T09:58:48Z", "ms": -1889013672381.8289 }, "end": { "local": "1910-02-21T19:39:30+08:00", "utc": "1910-02-21T11:39:30Z", "ms": -1889007630151.285 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1910-02-22", "window": { "start": { "local": "1910-02-22T17:59:24+08:00", "utc": "1910-02-22T09:59:24Z", "ms": -1888927235738.42 }, "end": { "local": "1910-02-22T19:39:55+08:00", "utc": "1910-02-22T11:39:55Z", "ms": -1888921205238.291 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:22 on Mon 21 Feb to 10:23 on Tue 22 Feb.", "fact": "1910-02-21T02:22:09Z → 1910-02-22T02:23:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:39 on the 21st, 17:59–19:40 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 21st and 0 of 101 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27363 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Monday 21 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Monday 21 February. Trayodaśī runs from 10:22 on Mon 21 Feb to 10:23 on Tue 22 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-02-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1017, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-02-23T10:47:06+08:00", "utc": "1910-02-23T02:47:06Z", "ms": -1888866773760.51 }, "end": { "local": "1910-02-24T11:35:32+08:00", "utc": "1910-02-24T03:35:32Z", "ms": -1888777468331.7625 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1910-02-23T10:47:06+08:00", "utc": "1910-02-23T02:47:06Z", "ms": -1888866773760.51 }, "end": { "local": "1910-02-24T11:35:32+08:00", "utc": "1910-02-24T03:35:32Z", "ms": -1888777468331.7625 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-02-23", "window": { "start": { "local": "1910-02-23T11:52:37+08:00", "utc": "1910-02-23T03:52:37Z", "ms": -1888862843255.4595 }, "end": { "local": "1910-02-23T12:40:37+08:00", "utc": "1910-02-23T04:40:37Z", "ms": -1888859963255.4595 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-02-24", "window": { "start": { "local": "1910-02-24T11:52:29+08:00", "utc": "1910-02-24T03:52:29Z", "ms": -1888776451446.6929 }, "end": { "local": "1910-02-24T12:40:29+08:00", "utc": "1910-02-24T04:40:29Z", "ms": -1888773571446.6929 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:47 on Wed 23 Feb to 11:36 on Thu 24 Feb.", "fact": "1910-02-23T02:47:06Z → 1910-02-24T03:35:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 23rd, 11:52–12:40 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1017 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Fuzhou, 1910: Wednesday 23 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Māghī Pūrṇimā 1910 falls on Wednesday 23 February. Pūrṇimā runs from 10:47 on Wed 23 Feb to 11:36 on Thu 24 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-02-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9011, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-02-27T16:40:55+08:00", "utc": "1910-02-27T08:40:55Z", "ms": -1888499944811.136 }, "end": { "local": "1910-02-28T19:09:31+08:00", "utc": "1910-02-28T11:09:31Z", "ms": -1888404629398.0854 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-02-27T16:40:55+08:00", "utc": "1910-02-27T08:40:55Z", "ms": -1888499944811.136 }, "end": { "local": "1910-02-28T19:09:31+08:00", "utc": "1910-02-28T11:09:31Z", "ms": -1888404629398.0854 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-02-27", "window": { "start": { "local": "1910-02-27T20:48:40+08:00", "utc": "1910-02-27T12:48:40Z", "ms": -1888485079811.2268 }, "end": { "local": "1910-02-27T20:48:40+08:00", "utc": "1910-02-27T12:48:40Z", "ms": -1888485079811.2268 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-02-28", "window": { "start": { "local": "1910-02-28T21:39:42+08:00", "utc": "1910-02-28T13:39:42Z", "ms": -1888395618210.152 }, "end": { "local": "1910-02-28T21:39:42+08:00", "utc": "1910-02-28T13:39:42Z", "ms": -1888395618210.152 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:41 on Sun 27 Feb to 19:10 on Mon 28 Feb.", "fact": "1910-02-27T08:40:55Z → 1910-02-28T11:09:31Z" }, { "step": "kaala", "text": "Moonrise is at 20:49 on the 27th and 21:40 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9011 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Sunday 27 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-02-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Sunday 27 February. Caturthī runs from 16:41 on Sun 27 Feb to 19:10 on Mon 28 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-02-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-03-07", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 640, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-03-07T06:11:20+08:00", "utc": "1910-03-06T22:11:20Z", "ms": -1887846520440.2693 }, "end": { "local": "1910-03-08T05:37:25+08:00", "utc": "1910-03-07T21:37:25Z", "ms": -1887762154592.7039 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-03-07T06:11:20+08:00", "utc": "1910-03-06T22:11:20Z", "ms": -1887846520440.2693 }, "end": { "local": "1910-03-08T05:37:25+08:00", "utc": "1910-03-07T21:37:25Z", "ms": -1887762154592.7039 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-03-07", "window": { "start": { "local": "1910-03-07T06:22:00+08:00", "utc": "1910-03-06T22:22:00Z", "ms": -1887845880347.43 }, "end": { "local": "1910-03-07T06:22:00+08:00", "utc": "1910-03-06T22:22:00Z", "ms": -1887845880347.43 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-03-08", "window": { "start": { "local": "1910-03-08T06:21:00+08:00", "utc": "1910-03-07T22:21:00Z", "ms": -1887759540369.9897 }, "end": { "local": "1910-03-08T06:21:00+08:00", "utc": "1910-03-07T22:21:00Z", "ms": -1887759540369.9897 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:11 on Mon 7 Mar to 05:37 on Tue 8 Mar.", "fact": "1910-03-06T22:11:20Z → 1910-03-07T21:37:25Z" }, { "step": "kaala", "text": "Sunrise is at 06:22 on the 7th and 06:21 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 640 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Fuzhou, 1910: Monday 7 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Ekādaśī 1910 falls on Monday 7 March. Ekādaśī runs from 06:11 on Mon 7 Mar to 05:37 on Tue 8 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-03-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-09", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1685, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-03-10T02:04:48+08:00", "utc": "1910-03-09T18:04:48Z", "ms": -1887602111871.62 }, "end": { "local": "1910-03-10T23:21:02+08:00", "utc": "1910-03-10T15:21:02Z", "ms": -1887525537554.5361 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-03-10T02:04:48+08:00", "utc": "1910-03-09T18:04:48Z", "ms": -1887602111871.62 }, "end": { "local": "1910-03-10T23:21:02+08:00", "utc": "1910-03-10T15:21:02Z", "ms": -1887525537554.5361 } }, "kaala": "nishita", "days": [ { "local_date": "1910-03-09", "window": { "start": { "local": "1910-03-09T23:49:23+08:00", "utc": "1910-03-09T15:49:23Z", "ms": -1887610236937.9966 }, "end": { "local": "1910-03-10T00:37:23+08:00", "utc": "1910-03-09T16:37:23Z", "ms": -1887607356937.9966 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-03-10", "window": { "start": { "local": "1910-03-10T23:49:08+08:00", "utc": "1910-03-10T15:49:08Z", "ms": -1887523852141.4124 }, "end": { "local": "1910-03-11T00:37:08+08:00", "utc": "1910-03-10T16:37:08Z", "ms": -1887520972141.4124 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:05 on Thu 10 Mar to 23:21 on Thu 10 Mar.", "fact": "1910-03-09T18:04:48Z → 1910-03-10T15:21:02Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 9th, 23:49–00:37 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: disputed → tithi-day · margin 1685 s" }, { "step": "ruling", "text": "Mahāśivarātri, Fuzhou, 1910: Wednesday 9 March.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1910-03-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-09", "confidence": "boundary" } ], "quote": "In Fuzhou, Mahāśivarātri 1910 falls on Wednesday 9 March. Caturdaśī runs from 02:05 on Thu 10 Mar to 23:21 on Thu 10 Mar, and reaches niśītha on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pradosha-vrata?on=1910-03-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22771, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-03-09T04:13:11+08:00", "utc": "1910-03-08T20:13:11Z", "ms": -1887680808940.09 }, "end": { "local": "1910-03-10T02:04:48+08:00", "utc": "1910-03-09T18:04:48Z", "ms": -1887602111871.62 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-03-09T04:13:11+08:00", "utc": "1910-03-08T20:13:11Z", "ms": -1887680808940.09 }, "end": { "local": "1910-03-10T02:04:48+08:00", "utc": "1910-03-09T18:04:48Z", "ms": -1887602111871.62 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-03-08", "window": { "start": { "local": "1910-03-08T18:07:17+08:00", "utc": "1910-03-08T10:07:17Z", "ms": -1887717163310.5972 }, "end": { "local": "1910-03-08T19:44:58+08:00", "utc": "1910-03-08T11:44:58Z", "ms": -1887711301651.4045 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1910-03-09", "window": { "start": { "local": "1910-03-09T18:07:48+08:00", "utc": "1910-03-09T10:07:48Z", "ms": -1887630732064.443 }, "end": { "local": "1910-03-09T19:45:17+08:00", "utc": "1910-03-09T11:45:17Z", "ms": -1887624882697.3906 } }, "covered_min": 97, "window_min": 97, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:13 on Wed 9 Mar to 02:05 on Thu 10 Mar.", "fact": "1910-03-08T20:13:11Z → 1910-03-09T18:04:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:45 on the 8th, 18:08–19:45 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 8th and 97 of 97 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22771 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Wednesday 9 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-03-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Wednesday 9 March. Trayodaśī runs from 04:13 on Wed 9 Mar to 02:05 on Thu 10 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-03-14", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6437, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-03-14T10:01:18+08:00", "utc": "1910-03-14T02:01:18Z", "ms": -1887227921871.6433 }, "end": { "local": "1910-03-15T06:55:58+08:00", "utc": "1910-03-14T22:55:58Z", "ms": -1887152641940.6616 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-03-14T10:01:18+08:00", "utc": "1910-03-14T02:01:18Z", "ms": -1887227921871.6433 }, "end": { "local": "1910-03-15T06:55:58+08:00", "utc": "1910-03-14T22:55:58Z", "ms": -1887152641940.6616 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-03-14", "window": { "start": { "local": "1910-03-14T11:48:35+08:00", "utc": "1910-03-14T03:48:35Z", "ms": -1887221484775.921 }, "end": { "local": "1910-03-14T12:36:35+08:00", "utc": "1910-03-14T04:36:35Z", "ms": -1887218604775.921 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-03-15", "window": { "start": { "local": "1910-03-15T11:48:19+08:00", "utc": "1910-03-15T03:48:19Z", "ms": -1887135101366.0842 }, "end": { "local": "1910-03-15T12:36:19+08:00", "utc": "1910-03-15T04:36:19Z", "ms": -1887132221366.0842 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:01 on Mon 14 Mar to 06:56 on Tue 15 Mar.", "fact": "1910-03-14T02:01:18Z → 1910-03-14T22:55:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 14th, 11:48–12:36 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6437 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Monday 14 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Monday 14 March. Caturthī runs from 10:01 on Mon 14 Mar to 06:56 on Tue 15 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-03-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-03-21", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26404, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-03-20T22:23:35+08:00", "utc": "1910-03-20T14:23:35Z", "ms": -1886664985131.705 }, "end": { "local": "1910-03-21T22:46:17+08:00", "utc": "1910-03-21T14:46:17Z", "ms": -1886577223110.0303 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-03-20T22:23:35+08:00", "utc": "1910-03-20T14:23:35Z", "ms": -1886664985131.705 }, "end": { "local": "1910-03-21T22:46:17+08:00", "utc": "1910-03-21T14:46:17Z", "ms": -1886577223110.0303 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-03-21", "window": { "start": { "local": "1910-03-21T06:07:25+08:00", "utc": "1910-03-20T22:07:25Z", "ms": -1886637154785.1792 }, "end": { "local": "1910-03-21T06:07:25+08:00", "utc": "1910-03-20T22:07:25Z", "ms": -1886637154785.1792 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-03-22", "window": { "start": { "local": "1910-03-22T06:06:21+08:00", "utc": "1910-03-21T22:06:21Z", "ms": -1886550819153.1252 }, "end": { "local": "1910-03-22T06:06:21+08:00", "utc": "1910-03-21T22:06:21Z", "ms": -1886550819153.1252 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:24 on Sun 20 Mar to 22:46 on Mon 21 Mar.", "fact": "1910-03-20T14:23:35Z → 1910-03-21T14:46:17Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 21st and 06:06 on the 22nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26404 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Fuzhou, 1910: Monday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Āmalakī Ekādaśī 1910 falls on Monday 21 March. Ekādaśī runs from 22:24 on Sun 20 Mar to 22:46 on Mon 21 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-03-21", "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/1910/pradosha-vrata?on=1910-03-23", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13574, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-03-22T23:35:13+08:00", "utc": "1910-03-22T15:35:13Z", "ms": -1886487886532.0151 }, "end": { "local": "1910-03-24T00:48:22+08:00", "utc": "1910-03-23T16:48:22Z", "ms": -1886397098354.4065 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-03-22T23:35:13+08:00", "utc": "1910-03-22T15:35:13Z", "ms": -1886487886532.0151 }, "end": { "local": "1910-03-24T00:48:22+08:00", "utc": "1910-03-23T16:48:22Z", "ms": -1886397098354.4065 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-03-22", "window": { "start": { "local": "1910-03-22T18:14:11+08:00", "utc": "1910-03-22T10:14:11Z", "ms": -1886507148784.5767 }, "end": { "local": "1910-03-22T19:49:00+08:00", "utc": "1910-03-22T11:49:00Z", "ms": -1886501460096.8064 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1910-03-23", "window": { "start": { "local": "1910-03-23T18:14:39+08:00", "utc": "1910-03-23T10:14:39Z", "ms": -1886420720676.735 }, "end": { "local": "1910-03-23T19:49:16+08:00", "utc": "1910-03-23T11:49:16Z", "ms": -1886415044343.2146 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:35 on Tue 22 Mar to 00:48 on Thu 24 Mar.", "fact": "1910-03-22T15:35:13Z → 1910-03-23T16:48:22Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:14–19:49 on the 22nd, 18:15–19:49 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 22nd and 95 of 95 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13574 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Wednesday 23 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": "1910-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Wednesday 23 March. Trayodaśī runs from 23:35 on Tue 22 Mar to 00:48 on Thu 24 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-03-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29334, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-03-25T02:24:01+08:00", "utc": "1910-03-24T18:24:01Z", "ms": -1886304959110.857 }, "end": { "local": "1910-03-26T04:20:31+08:00", "utc": "1910-03-25T20:20:31Z", "ms": -1886211568691.4138 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-03-25T02:24:01+08:00", "utc": "1910-03-24T18:24:01Z", "ms": -1886304959110.857 }, "end": { "local": "1910-03-26T04:20:31+08:00", "utc": "1910-03-25T20:20:31Z", "ms": -1886211568691.4138 } }, "kaala": "sayahna", "days": [ { "local_date": "1910-03-24", "window": { "start": { "local": "1910-03-24T15:48:56+08:00", "utc": "1910-03-24T07:48:56Z", "ms": -1886343063787.189 }, "end": { "local": "1910-03-24T18:15:07+08:00", "utc": "1910-03-24T10:15:07Z", "ms": -1886334292690.1533 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1910-03-25", "window": { "start": { "local": "1910-03-25T15:49:06+08:00", "utc": "1910-03-25T07:49:06Z", "ms": -1886256654400.0847 }, "end": { "local": "1910-03-25T18:15:35+08:00", "utc": "1910-03-25T10:15:35Z", "ms": -1886247864807.3809 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:24 on Fri 25 Mar to 04:21 on Sat 26 Mar.", "fact": "1910-03-24T18:24:01Z → 1910-03-25T20:20:31Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:15 on the 24th, 15:49–18:16 on the 25th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 146 minutes on the 24th and 146 of 146 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29334 s" }, { "step": "ruling", "text": "Holikā Dahana, Fuzhou, 1910: Friday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holika-dahana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.", "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Holikā Dahana 1910 falls on Friday 25 March. Pūrṇimā runs from 02:24 on Fri 25 Mar to 04:21 on Sat 26 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29334, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-03-25T02:24:01+08:00", "utc": "1910-03-24T18:24:01Z", "ms": -1886304959110.857 }, "end": { "local": "1910-03-26T04:20:31+08:00", "utc": "1910-03-25T20:20:31Z", "ms": -1886211568691.4138 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1910-03-25T02:24:01+08:00", "utc": "1910-03-24T18:24:01Z", "ms": -1886304959110.857 }, "end": { "local": "1910-03-26T04:20:31+08:00", "utc": "1910-03-25T20:20:31Z", "ms": -1886211568691.4138 } }, "kaala": "sayahna", "days": [ { "local_date": "1910-03-24", "window": { "start": { "local": "1910-03-24T15:48:56+08:00", "utc": "1910-03-24T07:48:56Z", "ms": -1886343063787.189 }, "end": { "local": "1910-03-24T18:15:07+08:00", "utc": "1910-03-24T10:15:07Z", "ms": -1886334292690.1533 } }, "covered_min": 0, "window_min": 146, "qualifies": false }, { "local_date": "1910-03-25", "window": { "start": { "local": "1910-03-25T15:49:06+08:00", "utc": "1910-03-25T07:49:06Z", "ms": -1886256654400.0847 }, "end": { "local": "1910-03-25T18:15:35+08:00", "utc": "1910-03-25T10:15:35Z", "ms": -1886247864807.3809 } }, "covered_min": 146, "window_min": 146, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1910-03-25", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:24 on Fri 25 Mar to 04:21 on Sat 26 Mar.", "fact": "1910-03-24T18:24:01Z → 1910-03-25T20:20:31Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:15 on the 24th, 15:49–18:16 on the 25th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 146 minutes on the 24th and 146 of 146 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29334 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Friday 25 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Fuzhou, 1910: Saturday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "holi", "follows": { "festival": "holika-dahana", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Holī 1910 falls on Saturday 26 March. It is kept the day after Holikā Dahana, which falls on Friday 25 March. Pūrṇimā runs from 02:24 on Fri 25 Mar to 04:21 on Sat 26 Mar and covers all of sāyāhna on the 25th.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2075, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1910-03-26T04:20:31+08:00", "utc": "1910-03-25T20:20:31Z", "ms": -1886211568691.4138 }, "end": { "local": "1910-03-27T06:35:33+08:00", "utc": "1910-03-26T22:35:33Z", "ms": -1886117067326.4749 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-03-26T04:20:31+08:00", "utc": "1910-03-25T20:20:31Z", "ms": -1886211568691.4138 }, "end": { "local": "1910-03-27T06:35:33+08:00", "utc": "1910-03-26T22:35:33Z", "ms": -1886117067326.4749 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-03-26", "window": { "start": { "local": "1910-03-26T06:02:03+08:00", "utc": "1910-03-25T22:02:03Z", "ms": -1886205477383.7837 }, "end": { "local": "1910-03-26T06:02:03+08:00", "utc": "1910-03-25T22:02:03Z", "ms": -1886205477383.7837 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-03-27", "window": { "start": { "local": "1910-03-27T06:00:58+08:00", "utc": "1910-03-26T22:00:58Z", "ms": -1886119141984.8982 }, "end": { "local": "1910-03-27T06:00:58+08:00", "utc": "1910-03-26T22:00:58Z", "ms": -1886119141984.8982 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 04:21 on Sat 26 Mar to 06:36 on Sun 27 Mar.", "fact": "1910-03-25T20:20:31Z → 1910-03-26T22:35:33Z" }, { "step": "kaala", "text": "Sunrise is at 06:02 on the 26th and 06:01 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is on the 26th and is on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 2075 s" }, { "step": "ruling", "text": "Vasantotsava, Fuzhou, 1910: Saturday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasantotsava 1910 falls on Saturday 26 March. Pratipadā runs from 04:21 on Sat 26 Mar to 06:36 on Sun 27 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-03-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28207, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-03-29T11:43:28+08:00", "utc": "1910-03-29T03:43:28Z", "ms": -1885925792071.1409 }, "end": { "local": "1910-03-30T14:21:30+08:00", "utc": "1910-03-30T06:21:30Z", "ms": -1885829910132.3455 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-03-29T11:43:28+08:00", "utc": "1910-03-29T03:43:28Z", "ms": -1885925792071.1409 }, "end": { "local": "1910-03-30T14:21:30+08:00", "utc": "1910-03-30T06:21:30Z", "ms": -1885829910132.3455 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-03-29", "window": { "start": { "local": "1910-03-29T21:17:42+08:00", "utc": "1910-03-29T13:17:42Z", "ms": -1885891337833.7441 }, "end": { "local": "1910-03-29T21:17:42+08:00", "utc": "1910-03-29T13:17:42Z", "ms": -1885891337833.7441 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-03-30", "window": { "start": { "local": "1910-03-30T22:11:36+08:00", "utc": "1910-03-30T14:11:36Z", "ms": -1885801703546.9238 }, "end": { "local": "1910-03-30T22:11:36+08:00", "utc": "1910-03-30T14:11:36Z", "ms": -1885801703546.9238 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:43 on Tue 29 Mar to 14:21 on Wed 30 Mar.", "fact": "1910-03-29T03:43:28Z → 1910-03-30T06:21:30Z" }, { "step": "kaala", "text": "Moonrise is at 21:18 on the 29th and 22:12 on the 30th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28207 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Tuesday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-03-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Tuesday 29 March. Caturthī runs from 11:43 on Tue 29 Mar to 14:21 on Wed 30 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-03-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28120, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-04-02T20:19:35+08:00", "utc": "1910-04-02T12:19:35Z", "ms": -1885549225453.7234 }, "end": { "local": "1910-04-03T21:03:01+08:00", "utc": "1910-04-03T13:03:01Z", "ms": -1885460219008.0398 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-02T20:19:35+08:00", "utc": "1910-04-02T12:19:35Z", "ms": -1885549225453.7234 }, "end": { "local": "1910-04-03T21:03:01+08:00", "utc": "1910-04-03T13:03:01Z", "ms": -1885460219008.0398 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-02", "window": { "start": { "local": "1910-04-02T11:42:54+08:00", "utc": "1910-04-02T03:42:54Z", "ms": -1885580225598.954 }, "end": { "local": "1910-04-02T12:30:54+08:00", "utc": "1910-04-02T04:30:54Z", "ms": -1885577345598.954 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-03", "window": { "start": { "local": "1910-04-03T11:42:36+08:00", "utc": "1910-04-03T03:42:36Z", "ms": -1885493843615.957 }, "end": { "local": "1910-04-03T12:30:36+08:00", "utc": "1910-04-03T04:30:36Z", "ms": -1885490963615.957 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 20:20 on Sat 2 Apr to 21:03 on Sun 3 Apr.", "fact": "1910-04-02T12:19:35Z → 1910-04-03T13:03:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:43–12:31 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28120 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Fuzhou, 1910: Sunday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalāṣṭamī 1910 falls on Sunday 3 April. Aṣṭamī runs from 20:20 on Sat 2 Apr to 21:03 on Sun 3 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-04-06", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35545, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-04-05T19:57:54+08:00", "utc": "1910-04-05T11:57:54Z", "ms": -1885291326162.4958 }, "end": { "local": "1910-04-06T18:10:45+08:00", "utc": "1910-04-06T10:10:45Z", "ms": -1885211355130.518 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-05T19:57:54+08:00", "utc": "1910-04-05T11:57:54Z", "ms": -1885291326162.4958 }, "end": { "local": "1910-04-06T18:10:45+08:00", "utc": "1910-04-06T10:10:45Z", "ms": -1885211355130.518 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-04-06", "window": { "start": { "local": "1910-04-06T05:50:19+08:00", "utc": "1910-04-05T21:50:19Z", "ms": -1885255781105.1729 }, "end": { "local": "1910-04-06T05:50:19+08:00", "utc": "1910-04-05T21:50:19Z", "ms": -1885255781105.1729 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-04-07", "window": { "start": { "local": "1910-04-07T05:49:16+08:00", "utc": "1910-04-06T21:49:16Z", "ms": -1885169443725.017 }, "end": { "local": "1910-04-07T05:49:16+08:00", "utc": "1910-04-06T21:49:16Z", "ms": -1885169443725.017 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:58 on Tue 5 Apr to 18:11 on Wed 6 Apr.", "fact": "1910-04-05T11:57:54Z → 1910-04-06T10:10:45Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 6th and 05:49 on the 7th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35545 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Fuzhou, 1910: Wednesday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāpamocanī Ekādaśī 1910 falls on Wednesday 6 April. Ekādaśī runs from 19:58 on Tue 5 Apr to 18:11 on Wed 6 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-04-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-04-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9646, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-04-07T15:40:50+08:00", "utc": "1910-04-07T07:40:50Z", "ms": -1885133950439.3499 }, "end": { "local": "1910-04-08T12:36:31+08:00", "utc": "1910-04-08T04:36:31Z", "ms": -1885058608817.558 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-07T15:40:50+08:00", "utc": "1910-04-07T07:40:50Z", "ms": -1885133950439.3499 }, "end": { "local": "1910-04-08T12:36:31+08:00", "utc": "1910-04-08T04:36:31Z", "ms": -1885058608817.558 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-04-07", "window": { "start": { "local": "1910-04-07T18:21:36+08:00", "utc": "1910-04-07T10:21:36Z", "ms": -1885124304418.7747 }, "end": { "local": "1910-04-07T19:53:09+08:00", "utc": "1910-04-07T11:53:09Z", "ms": -1885118811297.1196 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1910-04-08", "window": { "start": { "local": "1910-04-08T18:22:04+08:00", "utc": "1910-04-08T10:22:04Z", "ms": -1885037876387.2368 }, "end": { "local": "1910-04-08T19:53:25+08:00", "utc": "1910-04-08T11:53:25Z", "ms": -1885032395259.056 } }, "covered_min": 0, "window_min": 91, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:41 on Thu 7 Apr to 12:37 on Fri 8 Apr.", "fact": "1910-04-07T07:40:50Z → 1910-04-08T04:36:31Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–19:53 on the 7th, 18:22–19:53 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 7th and 0 of 91 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9646 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Thursday 7 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Thursday 7 April. Trayodaśī runs from 15:41 on Thu 7 Apr to 12:37 on Fri 8 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-04-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-04-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31142, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-04-08T12:36:31+08:00", "utc": "1910-04-08T04:36:31Z", "ms": -1885058608817.558 }, "end": { "local": "1910-04-09T09:07:40+08:00", "utc": "1910-04-09T01:07:40Z", "ms": -1884984740476.5928 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-08T12:36:31+08:00", "utc": "1910-04-08T04:36:31Z", "ms": -1885058608817.558 }, "end": { "local": "1910-04-09T09:07:40+08:00", "utc": "1910-04-09T01:07:40Z", "ms": -1884984740476.5928 } }, "kaala": "nishita", "days": [ { "local_date": "1910-04-07", "window": { "start": { "local": "1910-04-07T23:40:55+08:00", "utc": "1910-04-07T15:40:55Z", "ms": -1885105145212.5684 }, "end": { "local": "1910-04-08T00:28:55+08:00", "utc": "1910-04-07T16:28:55Z", "ms": -1885102265212.5684 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-08", "window": { "start": { "local": "1910-04-08T23:40:38+08:00", "utc": "1910-04-08T15:40:38Z", "ms": -1885018762156.558 }, "end": { "local": "1910-04-09T00:28:38+08:00", "utc": "1910-04-08T16:28:38Z", "ms": -1885015882156.558 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:37 on Fri 8 Apr to 09:08 on Sat 9 Apr.", "fact": "1910-04-08T04:36:31Z → 1910-04-09T01:07:40Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 7th, 23:41–00:29 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31142 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Friday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Friday 8 April. Caturdaśī runs from 12:37 on Fri 8 Apr to 09:08 on Sat 9 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22549, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1910-04-10T05:24:46+08:00", "utc": "1910-04-09T21:24:46Z", "ms": -1884911713507.3943 }, "end": { "local": "1910-04-11T01:38:32+08:00", "utc": "1910-04-10T17:38:32Z", "ms": -1884838887917.2876 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-10T05:24:46+08:00", "utc": "1910-04-09T21:24:46Z", "ms": -1884911713507.3943 }, "end": { "local": "1910-04-11T01:38:32+08:00", "utc": "1910-04-10T17:38:32Z", "ms": -1884838887917.2876 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-10", "window": { "start": { "local": "1910-04-10T11:40:35+08:00", "utc": "1910-04-10T03:40:35Z", "ms": -1884889164755.505 }, "end": { "local": "1910-04-10T12:28:35+08:00", "utc": "1910-04-10T04:28:35Z", "ms": -1884886284755.505 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-04-11", "window": { "start": { "local": "1910-04-11T11:40:19+08:00", "utc": "1910-04-11T03:40:19Z", "ms": -1884802781163.837 }, "end": { "local": "1910-04-11T12:28:19+08:00", "utc": "1910-04-11T04:28:19Z", "ms": -1884799901163.837 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 05:25 on Sun 10 Apr to 01:39 on Mon 11 Apr.", "fact": "1910-04-09T21:24:46Z → 1910-04-10T17:38:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 10th, 11:40–12:28 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22549 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Fuzhou, 1910: Sunday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 1910 falls on Sunday 10 April. Pratipadā runs from 05:25 on Sun 10 Apr to 01:39 on Mon 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22121, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1910-04-11T21:59:18+08:00", "utc": "1910-04-11T13:59:18Z", "ms": -1884765642169.4612 }, "end": { "local": "1910-04-12T18:36:44+08:00", "utc": "1910-04-12T10:36:44Z", "ms": -1884691396046.7197 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-11T21:59:18+08:00", "utc": "1910-04-11T13:59:18Z", "ms": -1884765642169.4612 }, "end": { "local": "1910-04-12T18:36:44+08:00", "utc": "1910-04-12T10:36:44Z", "ms": -1884691396046.7197 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-11", "window": { "start": { "local": "1910-04-11T11:40:19+08:00", "utc": "1910-04-11T03:40:19Z", "ms": -1884802781163.837 }, "end": { "local": "1910-04-11T12:28:19+08:00", "utc": "1910-04-11T04:28:19Z", "ms": -1884799901163.837 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-12", "window": { "start": { "local": "1910-04-12T11:40:03+08:00", "utc": "1910-04-12T03:40:03Z", "ms": -1884716397308.689 }, "end": { "local": "1910-04-12T12:28:03+08:00", "utc": "1910-04-12T04:28:03Z", "ms": -1884713517308.689 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:59 on Mon 11 Apr to 18:37 on Tue 12 Apr.", "fact": "1910-04-11T13:59:18Z → 1910-04-12T10:36:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 11th, 11:40–12:28 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22121 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Fuzhou, 1910: Tuesday 12 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 1910 falls on Tuesday 12 April. Tṛtīyā runs from 21:59 on Mon 11 Apr to 18:37 on Tue 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22121, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1910-04-11T21:59:18+08:00", "utc": "1910-04-11T13:59:18Z", "ms": -1884765642169.4612 }, "end": { "local": "1910-04-12T18:36:44+08:00", "utc": "1910-04-12T10:36:44Z", "ms": -1884691396046.7197 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-11T21:59:18+08:00", "utc": "1910-04-11T13:59:18Z", "ms": -1884765642169.4612 }, "end": { "local": "1910-04-12T18:36:44+08:00", "utc": "1910-04-12T10:36:44Z", "ms": -1884691396046.7197 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-11", "window": { "start": { "local": "1910-04-11T11:40:19+08:00", "utc": "1910-04-11T03:40:19Z", "ms": -1884802781163.837 }, "end": { "local": "1910-04-11T12:28:19+08:00", "utc": "1910-04-11T04:28:19Z", "ms": -1884799901163.837 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-12", "window": { "start": { "local": "1910-04-12T11:40:03+08:00", "utc": "1910-04-12T03:40:03Z", "ms": -1884716397308.689 }, "end": { "local": "1910-04-12T12:28:03+08:00", "utc": "1910-04-12T04:28:03Z", "ms": -1884713517308.689 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:59 on Mon 11 Apr to 18:37 on Tue 12 Apr.", "fact": "1910-04-11T13:59:18Z → 1910-04-12T10:36:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 11th, 11:40–12:28 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22121 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Fuzhou, 1910: Tuesday 12 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Saubhāgya Śayana Vrata 1910 falls on Tuesday 12 April. Tṛtīyā runs from 21:59 on Mon 11 Apr to 18:37 on Tue 12 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41819, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1910-04-13T18:05:10+08:00", "utc": "1910-04-13T10:05:10Z", "ms": -1884606889880.9016 }, "end": { "local": "1910-05-14T15:04:02+08:00", "utc": "1910-05-14T07:04:02Z", "ms": -1881939358451.6047 } }, "span": { "of": "transit", "start": { "local": "1910-04-13T18:05:10+08:00", "utc": "1910-04-13T10:05:10Z", "ms": -1884606889880.9016 }, "end": { "local": "1910-04-13T18:05:10+08:00", "utc": "1910-04-13T10:05:10Z", "ms": -1884606889880.9016 } }, "kaala": "day", "days": [ { "local_date": "1910-04-13", "window": { "start": { "local": "1910-04-13T05:43:08+08:00", "utc": "1910-04-12T21:43:08Z", "ms": -1884651411545.4182 }, "end": { "local": "1910-04-14T05:42:09+08:00", "utc": "1910-04-13T21:42:09Z", "ms": -1884565071326.0898 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1910-04-14", "window": { "start": { "local": "1910-04-14T05:42:09+08:00", "utc": "1910-04-13T21:42:09Z", "ms": -1884565071326.0898 }, "end": { "local": "1910-04-15T05:41:09+08:00", "utc": "1910-04-14T21:41:09Z", "ms": -1884478730611.0605 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 18:05 on Wed 13 Apr.", "fact": "1910-04-13T10:05:10Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:43 on the 13th, and from 05:42 on the 14th.", "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunrise → only-day · margin 41819 s" }, { "step": "ruling", "text": "Vaiśākhī, Fuzhou, 1910: Wednesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1910-04-13", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1910-04-13", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Fuzhou, Vaiśākhī 1910 falls on Wednesday 13 April. The Sun enters Meṣa at 18:05 on Wed 13 Apr, and the rule counts the day from sunrise.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vinayaka-chaturthi?on=1910-04-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11500, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-04-12T18:36:44+08:00", "utc": "1910-04-12T10:36:44Z", "ms": -1884691396046.7197 }, "end": { "local": "1910-04-13T15:39:27+08:00", "utc": "1910-04-13T07:39:27Z", "ms": -1884615633048.4097 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-12T18:36:44+08:00", "utc": "1910-04-12T10:36:44Z", "ms": -1884691396046.7197 }, "end": { "local": "1910-04-13T15:39:27+08:00", "utc": "1910-04-13T07:39:27Z", "ms": -1884615633048.4097 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-12", "window": { "start": { "local": "1910-04-12T11:40:03+08:00", "utc": "1910-04-12T03:40:03Z", "ms": -1884716397308.689 }, "end": { "local": "1910-04-12T12:28:03+08:00", "utc": "1910-04-12T04:28:03Z", "ms": -1884713517308.689 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-13", "window": { "start": { "local": "1910-04-13T11:39:47+08:00", "utc": "1910-04-13T03:39:47Z", "ms": -1884630013177.8203 }, "end": { "local": "1910-04-13T12:27:47+08:00", "utc": "1910-04-13T04:27:47Z", "ms": -1884627133177.8203 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:37 on Tue 12 Apr to 15:39 on Wed 13 Apr.", "fact": "1910-04-12T10:36:44Z → 1910-04-13T07:39:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 12th, 11:40–12:28 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11500 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Wednesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Wednesday 13 April. Caturthī runs from 18:37 on Tue 12 Apr to 15:39 on Wed 13 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-04-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2825, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1910-04-13T15:39:27+08:00", "utc": "1910-04-13T07:39:27Z", "ms": -1884615633048.4097 }, "end": { "local": "1910-04-14T13:14:36+08:00", "utc": "1910-04-14T05:14:36Z", "ms": -1884537923869.0884 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-13T15:39:27+08:00", "utc": "1910-04-13T07:39:27Z", "ms": -1884615633048.4097 }, "end": { "local": "1910-04-14T13:14:36+08:00", "utc": "1910-04-14T05:14:36Z", "ms": -1884537923869.0884 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-13", "window": { "start": { "local": "1910-04-13T11:39:47+08:00", "utc": "1910-04-13T03:39:47Z", "ms": -1884630013177.8203 }, "end": { "local": "1910-04-13T12:27:47+08:00", "utc": "1910-04-13T04:27:47Z", "ms": -1884627133177.8203 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-14", "window": { "start": { "local": "1910-04-14T11:39:31+08:00", "utc": "1910-04-14T03:39:31Z", "ms": -1884543628758.3457 }, "end": { "local": "1910-04-14T12:27:31+08:00", "utc": "1910-04-14T04:27:31Z", "ms": -1884540748758.3457 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 15:39 on Wed 13 Apr to 13:15 on Thu 14 Apr.", "fact": "1910-04-13T07:39:27Z → 1910-04-14T05:14:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 13th, 11:40–12:28 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2825 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Fuzhou, 1910: Thursday 14 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pañcamī 1910 falls on Thursday 14 April. Pañcamī runs from 15:39 on Wed 13 Apr to 13:15 on Thu 14 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4666, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-04-16T10:21:15+08:00", "utc": "1910-04-16T02:21:15Z", "ms": -1884375524510.7354 }, "end": { "local": "1910-04-17T09:56:38+08:00", "utc": "1910-04-17T01:56:38Z", "ms": -1884290602359.762 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-16T10:21:15+08:00", "utc": "1910-04-16T02:21:15Z", "ms": -1884375524510.7354 }, "end": { "local": "1910-04-17T09:56:38+08:00", "utc": "1910-04-17T01:56:38Z", "ms": -1884290602359.762 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-16", "window": { "start": { "local": "1910-04-16T11:39:01+08:00", "utc": "1910-04-16T03:39:01Z", "ms": -1884370858997.7742 }, "end": { "local": "1910-04-16T12:27:01+08:00", "utc": "1910-04-16T04:27:01Z", "ms": -1884367978997.7742 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-04-17", "window": { "start": { "local": "1910-04-17T11:38:46+08:00", "utc": "1910-04-17T03:38:46Z", "ms": -1884284473626.8135 }, "end": { "local": "1910-04-17T12:26:46+08:00", "utc": "1910-04-17T04:26:46Z", "ms": -1884281593626.8135 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:21 on Sat 16 Apr to 09:57 on Sun 17 Apr.", "fact": "1910-04-16T02:21:15Z → 1910-04-17T01:56:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4666 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Fuzhou, 1910: Saturday 16 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhavānī Utpatti 1910 falls on Saturday 16 April. Aṣṭamī runs from 10:21 on Sat 16 Apr to 09:57 on Sun 17 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5190, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1910-04-17T09:56:38+08:00", "utc": "1910-04-17T01:56:38Z", "ms": -1884290602359.762 }, "end": { "local": "1910-04-18T10:12:02+08:00", "utc": "1910-04-18T02:12:02Z", "ms": -1884203277809.727 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-17T09:56:38+08:00", "utc": "1910-04-17T01:56:38Z", "ms": -1884290602359.762 }, "end": { "local": "1910-04-18T10:12:02+08:00", "utc": "1910-04-18T02:12:02Z", "ms": -1884203277809.727 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-17", "window": { "start": { "local": "1910-04-17T11:38:46+08:00", "utc": "1910-04-17T03:38:46Z", "ms": -1884284473626.8135 }, "end": { "local": "1910-04-17T12:26:46+08:00", "utc": "1910-04-17T04:26:46Z", "ms": -1884281593626.8135 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-04-18", "window": { "start": { "local": "1910-04-18T11:38:32+08:00", "utc": "1910-04-18T03:38:32Z", "ms": -1884198087907.9072 }, "end": { "local": "1910-04-18T12:26:32+08:00", "utc": "1910-04-18T04:26:32Z", "ms": -1884195207907.9072 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 09:57 on Sun 17 Apr to 10:12 on Mon 18 Apr.", "fact": "1910-04-17T01:56:38Z → 1910-04-18T02:12:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:39–12:27 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5190 s" }, { "step": "ruling", "text": "Rāma Navamī, Fuzhou, 1910: Sunday 17 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāma Navamī 1910 falls on Sunday 17 April. Navamī runs from 09:57 on Sun 17 Apr to 10:12 on Mon 18 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-04-20", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19599, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-04-19T11:03:57+08:00", "utc": "1910-04-19T03:03:57Z", "ms": -1884113763162.1404 }, "end": { "local": "1910-04-20T12:27:26+08:00", "utc": "1910-04-20T04:27:26Z", "ms": -1884022354117.1238 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-19T11:03:57+08:00", "utc": "1910-04-19T03:03:57Z", "ms": -1884113763162.1404 }, "end": { "local": "1910-04-20T12:27:26+08:00", "utc": "1910-04-20T04:27:26Z", "ms": -1884022354117.1238 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-04-19", "window": { "start": { "local": "1910-04-19T05:37:18+08:00", "utc": "1910-04-18T21:37:18Z", "ms": -1884133362295.0635 }, "end": { "local": "1910-04-19T05:37:18+08:00", "utc": "1910-04-18T21:37:18Z", "ms": -1884133362295.0635 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-04-20", "window": { "start": { "local": "1910-04-20T05:36:21+08:00", "utc": "1910-04-19T21:36:21Z", "ms": -1884047018723.7864 }, "end": { "local": "1910-04-20T05:36:21+08:00", "utc": "1910-04-19T21:36:21Z", "ms": -1884047018723.7864 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:04 on Tue 19 Apr to 12:27 on Wed 20 Apr.", "fact": "1910-04-19T03:03:57Z → 1910-04-20T04:27:26Z" }, { "step": "kaala", "text": "Sunrise is at 05:37 on the 19th and 05:36 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19599 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Fuzhou, 1910: Wednesday 20 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmadā Ekādaśī 1910 falls on Wednesday 20 April. Ekādaśī runs from 11:04 on Tue 19 Apr to 12:27 on Wed 20 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-04-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-04-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7350, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-04-21T14:16:50+08:00", "utc": "1910-04-21T06:16:50Z", "ms": -1883929390307.6763 }, "end": { "local": "1910-04-22T16:26:17+08:00", "utc": "1910-04-22T08:26:17Z", "ms": -1883835222770.3396 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-21T14:16:50+08:00", "utc": "1910-04-21T06:16:50Z", "ms": -1883929390307.6763 }, "end": { "local": "1910-04-22T16:26:17+08:00", "utc": "1910-04-22T08:26:17Z", "ms": -1883835222770.3396 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-04-21", "window": { "start": { "local": "1910-04-21T18:28:17+08:00", "utc": "1910-04-21T10:28:17Z", "ms": -1883914302502.9268 }, "end": { "local": "1910-04-21T19:57:07+08:00", "utc": "1910-04-21T11:57:07Z", "ms": -1883908972783.7285 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1910-04-22", "window": { "start": { "local": "1910-04-22T18:28:47+08:00", "utc": "1910-04-22T10:28:47Z", "ms": -1883827872856.178 }, "end": { "local": "1910-04-22T19:57:26+08:00", "utc": "1910-04-22T11:57:26Z", "ms": -1883822554343.8372 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:17 on Thu 21 Apr to 16:26 on Fri 22 Apr.", "fact": "1910-04-21T06:16:50Z → 1910-04-22T08:26:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–19:57 on the 21st, 18:29–19:57 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 89 of 89 minutes on the 21st and 0 of 89 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7350 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Thursday 21 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Thursday 21 April. Trayodaśī runs from 14:17 on Thu 21 Apr to 16:26 on Fri 22 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-04-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6658, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-04-21T14:16:50+08:00", "utc": "1910-04-21T06:16:50Z", "ms": -1883929390307.6763 }, "end": { "local": "1910-04-22T16:26:17+08:00", "utc": "1910-04-22T08:26:17Z", "ms": -1883835222770.3396 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-21T14:16:50+08:00", "utc": "1910-04-21T06:16:50Z", "ms": -1883929390307.6763 }, "end": { "local": "1910-04-22T16:26:17+08:00", "utc": "1910-04-22T08:26:17Z", "ms": -1883835222770.3396 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-21", "window": { "start": { "local": "1910-04-21T11:37:51+08:00", "utc": "1910-04-21T03:37:51Z", "ms": -1883938928503.3237 }, "end": { "local": "1910-04-21T12:25:51+08:00", "utc": "1910-04-21T04:25:51Z", "ms": -1883936048503.3237 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-22", "window": { "start": { "local": "1910-04-22T11:37:39+08:00", "utc": "1910-04-22T03:37:39Z", "ms": -1883852541232.5586 }, "end": { "local": "1910-04-22T12:25:39+08:00", "utc": "1910-04-22T04:25:39Z", "ms": -1883849661232.5586 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:17 on Thu 21 Apr to 16:26 on Fri 22 Apr.", "fact": "1910-04-21T06:16:50Z → 1910-04-22T08:26:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 21st, 11:38–12:26 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6658 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Fuzhou, 1910: Friday 22 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": "1910-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Anaṅga Trayodaśī 1910 falls on Friday 22 April. Trayodaśī runs from 14:17 on Thu 21 Apr to 16:26 on Fri 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14438, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-04-22T16:26:17+08:00", "utc": "1910-04-22T08:26:17Z", "ms": -1883835222770.3396 }, "end": { "local": "1910-04-23T18:50:03+08:00", "utc": "1910-04-23T10:50:03Z", "ms": -1883740197443.347 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-22T16:26:17+08:00", "utc": "1910-04-22T08:26:17Z", "ms": -1883835222770.3396 }, "end": { "local": "1910-04-23T18:50:03+08:00", "utc": "1910-04-23T10:50:03Z", "ms": -1883740197443.347 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-22", "window": { "start": { "local": "1910-04-22T11:37:39+08:00", "utc": "1910-04-22T03:37:39Z", "ms": -1883852541232.5586 }, "end": { "local": "1910-04-22T12:25:39+08:00", "utc": "1910-04-22T04:25:39Z", "ms": -1883849661232.5586 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-23", "window": { "start": { "local": "1910-04-23T11:37:26+08:00", "utc": "1910-04-23T03:37:26Z", "ms": -1883766153534.3262 }, "end": { "local": "1910-04-23T12:25:26+08:00", "utc": "1910-04-23T04:25:26Z", "ms": -1883763273534.3262 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 16:26 on Fri 22 Apr to 18:50 on Sat 23 Apr.", "fact": "1910-04-22T08:26:17Z → 1910-04-23T10:50:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 22nd, 11:37–12:25 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14438 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 1910: Saturday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 1910 falls on Saturday 23 April. Caturdaśī runs from 16:26 on Fri 22 Apr to 18:50 on Sat 23 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23076, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-04-23T18:50:03+08:00", "utc": "1910-04-23T10:50:03Z", "ms": -1883740197443.347 }, "end": { "local": "1910-04-24T21:22:23+08:00", "utc": "1910-04-24T13:22:23Z", "ms": -1883644657435.7742 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1910-04-23T18:50:03+08:00", "utc": "1910-04-23T10:50:03Z", "ms": -1883740197443.347 }, "end": { "local": "1910-04-24T21:22:23+08:00", "utc": "1910-04-24T13:22:23Z", "ms": -1883644657435.7742 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-04-23", "window": { "start": { "local": "1910-04-23T11:37:26+08:00", "utc": "1910-04-23T03:37:26Z", "ms": -1883766153534.3262 }, "end": { "local": "1910-04-23T12:25:26+08:00", "utc": "1910-04-23T04:25:26Z", "ms": -1883763273534.3262 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-04-24", "window": { "start": { "local": "1910-04-24T11:37:15+08:00", "utc": "1910-04-24T03:37:15Z", "ms": -1883679765393.3872 }, "end": { "local": "1910-04-24T12:25:15+08:00", "utc": "1910-04-24T04:25:15Z", "ms": -1883676885393.3872 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 18:50 on Sat 23 Apr to 21:22 on Sun 24 Apr.", "fact": "1910-04-23T10:50:03Z → 1910-04-24T13:22:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 23rd, 11:37–12:25 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23076 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Fuzhou, 1910: Sunday 24 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chaitri-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Caitrī Pūrṇimā 1910 falls on Sunday 24 April. Pūrṇimā runs from 18:50 on Sat 23 Apr to 21:22 on Sun 24 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-04-28", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28022, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-04-28T04:48:15+08:00", "utc": "1910-04-27T20:48:15Z", "ms": -1883358704748.2212 }, "end": { "local": "1910-04-29T06:48:52+08:00", "utc": "1910-04-28T22:48:52Z", "ms": -1883265068145.9756 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-04-28T04:48:15+08:00", "utc": "1910-04-27T20:48:15Z", "ms": -1883358704748.2212 }, "end": { "local": "1910-04-29T06:48:52+08:00", "utc": "1910-04-28T22:48:52Z", "ms": -1883265068145.9756 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-04-27", "window": { "start": { "local": "1910-04-27T21:01:14+08:00", "utc": "1910-04-27T13:01:14Z", "ms": -1883386726349.384 }, "end": { "local": "1910-04-27T21:01:14+08:00", "utc": "1910-04-27T13:01:14Z", "ms": -1883386726349.384 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-04-28", "window": { "start": { "local": "1910-04-28T21:56:50+08:00", "utc": "1910-04-28T13:56:50Z", "ms": -1883296989543.382 }, "end": { "local": "1910-04-28T21:56:50+08:00", "utc": "1910-04-28T13:56:50Z", "ms": -1883296989543.382 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:48 on Thu 28 Apr to 06:49 on Fri 29 Apr.", "fact": "1910-04-27T20:48:15Z → 1910-04-28T22:48:52Z" }, { "step": "kaala", "text": "Moonrise is at 21:01 on the 27th and 21:57 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28022 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Thursday 28 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-04-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Thursday 28 April. Caturthī runs from 04:48 on Thu 28 Apr to 06:49 on Fri 29 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-04-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-05-05", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2325, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-05-05T06:02:32+08:00", "utc": "1910-05-04T22:02:32Z", "ms": -1882749447845.9385 }, "end": { "local": "1910-05-06T03:29:24+08:00", "utc": "1910-05-05T19:29:24Z", "ms": -1882672236456.7866 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-05T06:02:32+08:00", "utc": "1910-05-04T22:02:32Z", "ms": -1882749447845.9385 }, "end": { "local": "1910-05-06T03:29:24+08:00", "utc": "1910-05-05T19:29:24Z", "ms": -1882672236456.7866 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-05-05", "window": { "start": { "local": "1910-05-05T05:23:47+08:00", "utc": "1910-05-04T21:23:47Z", "ms": -1882751773151.7231 }, "end": { "local": "1910-05-05T05:23:47+08:00", "utc": "1910-05-04T21:23:47Z", "ms": -1882751773151.7231 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-05-06", "window": { "start": { "local": "1910-05-06T05:23:04+08:00", "utc": "1910-05-05T21:23:04Z", "ms": -1882665416225.4663 }, "end": { "local": "1910-05-06T05:23:04+08:00", "utc": "1910-05-05T21:23:04Z", "ms": -1882665416225.4663 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:03 on Thu 5 May to 03:29 on Fri 6 May.", "fact": "1910-05-04T22:02:32Z → 1910-05-05T19:29:24Z" }, { "step": "kaala", "text": "Sunrise is at 05:24 on the 5th and 05:23 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2325 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Fuzhou, 1910: Thursday 5 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Varūthinī Ekādaśī 1910 falls on Thursday 5 May. Ekādaśī runs from 06:03 on Thu 5 May to 03:29 on Fri 6 May, and is current at sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-05-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-05-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3329, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-05-07T00:25:08+08:00", "utc": "1910-05-06T16:25:08Z", "ms": -1882596892355.5527 }, "end": { "local": "1910-05-07T20:58:02+08:00", "utc": "1910-05-07T12:58:02Z", "ms": -1882522918353.1125 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-07T00:25:08+08:00", "utc": "1910-05-06T16:25:08Z", "ms": -1882596892355.5527 }, "end": { "local": "1910-05-07T20:58:02+08:00", "utc": "1910-05-07T12:58:02Z", "ms": -1882522918353.1125 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-05-06", "window": { "start": { "local": "1910-05-06T18:35:59+08:00", "utc": "1910-05-06T10:35:59Z", "ms": -1882617840652.9768 }, "end": { "local": "1910-05-06T20:02:10+08:00", "utc": "1910-05-06T12:02:10Z", "ms": -1882612669669.3286 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1910-05-07", "window": { "start": { "local": "1910-05-07T18:36:31+08:00", "utc": "1910-05-07T10:36:31Z", "ms": -1882531408643.6843 }, "end": { "local": "1910-05-07T20:02:33+08:00", "utc": "1910-05-07T12:02:33Z", "ms": -1882526247395.995 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 00:25 on Sat 7 May to 20:58 on Sat 7 May.", "fact": "1910-05-06T16:25:08Z → 1910-05-07T12:58:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:02 on the 6th, 18:37–20:03 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 6th and 86 of 86 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3329 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Saturday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Saturday 7 May. Trayodaśī runs from 00:25 on Sat 7 May to 20:58 on Sat 7 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-05-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9424, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-05-07T20:58:02+08:00", "utc": "1910-05-07T12:58:02Z", "ms": -1882522918353.1125 }, "end": { "local": "1910-05-08T17:17:18+08:00", "utc": "1910-05-08T09:17:18Z", "ms": -1882449762342.3323 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-07T20:58:02+08:00", "utc": "1910-05-07T12:58:02Z", "ms": -1882522918353.1125 }, "end": { "local": "1910-05-08T17:17:18+08:00", "utc": "1910-05-08T09:17:18Z", "ms": -1882449762342.3323 } }, "kaala": "nishita", "days": [ { "local_date": "1910-05-07", "window": { "start": { "local": "1910-05-07T23:35:06+08:00", "utc": "1910-05-07T15:35:06Z", "ms": -1882513493964.85 }, "end": { "local": "1910-05-08T00:23:06+08:00", "utc": "1910-05-07T16:23:06Z", "ms": -1882510613964.85 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-05-08", "window": { "start": { "local": "1910-05-08T23:35:02+08:00", "utc": "1910-05-08T15:35:02Z", "ms": -1882427097886.2222 }, "end": { "local": "1910-05-09T00:23:02+08:00", "utc": "1910-05-08T16:23:02Z", "ms": -1882424217886.2222 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 20:58 on Sat 7 May to 17:17 on Sun 8 May.", "fact": "1910-05-07T12:58:02Z → 1910-05-08T09:17:18Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 7th, 23:35–00:23 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9424 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Saturday 7 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Saturday 7 May. Caturdaśī runs from 20:58 on Sat 7 May to 17:17 on Sun 8 May and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-05-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4249, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1910-05-11T06:30:33+08:00", "utc": "1910-05-10T22:30:33Z", "ms": -1882229366882.355 }, "end": { "local": "1910-05-12T03:31:56+08:00", "utc": "1910-05-11T19:31:56Z", "ms": -1882153683564.106 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-11T06:30:33+08:00", "utc": "1910-05-10T22:30:33Z", "ms": -1882229366882.355 }, "end": { "local": "1910-05-12T03:31:56+08:00", "utc": "1910-05-11T19:31:56Z", "ms": -1882153683564.106 } }, "kaala": "purvahna", "days": [ { "local_date": "1910-05-11", "window": { "start": { "local": "1910-05-11T05:19:44+08:00", "utc": "1910-05-10T21:19:44Z", "ms": -1882233615940.6426 }, "end": { "local": "1910-05-11T09:46:03+08:00", "utc": "1910-05-11T01:46:03Z", "ms": -1882217637208.6934 } }, "covered_min": 195, "window_min": 266, "qualifies": true }, { "local_date": "1910-05-12", "window": { "start": { "local": "1910-05-12T05:19:07+08:00", "utc": "1910-05-11T21:19:07Z", "ms": -1882147252658.3018 }, "end": { "local": "1910-05-12T09:45:49+08:00", "utc": "1910-05-12T01:45:49Z", "ms": -1882131250905.725 } }, "covered_min": 0, "window_min": 267, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:31 on Wed 11 May to 03:32 on Thu 12 May.", "fact": "1910-05-10T22:30:33Z → 1910-05-11T19:31:56Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:20–09:46 on the 11th, 05:19–09:46 on the 12th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 195 of 266 minutes on the 11th and 0 of 267 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4249 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Fuzhou, 1910: Wednesday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Tṛtīyā 1910 falls on Wednesday 11 May. Tṛtīyā runs from 06:31 on Wed 11 May to 03:32 on Thu 12 May and covers 195 of 266 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26873, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1910-05-11T06:30:33+08:00", "utc": "1910-05-10T22:30:33Z", "ms": -1882229366882.355 }, "end": { "local": "1910-05-12T03:31:56+08:00", "utc": "1910-05-11T19:31:56Z", "ms": -1882153683564.106 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-11T06:30:33+08:00", "utc": "1910-05-10T22:30:33Z", "ms": -1882229366882.355 }, "end": { "local": "1910-05-12T03:31:56+08:00", "utc": "1910-05-11T19:31:56Z", "ms": -1882153683564.106 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-05-10", "window": { "start": { "local": "1910-05-10T18:38:08+08:00", "utc": "1910-05-10T10:38:08Z", "ms": -1882272112061.3137 }, "end": { "local": "1910-05-10T20:03:41+08:00", "utc": "1910-05-10T12:03:41Z", "ms": -1882266979245.224 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1910-05-11", "window": { "start": { "local": "1910-05-11T18:38:40+08:00", "utc": "1910-05-11T10:38:40Z", "ms": -1882185679744.7952 }, "end": { "local": "1910-05-11T20:04:04+08:00", "utc": "1910-05-11T12:04:04Z", "ms": -1882180556133.2627 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 06:31 on Wed 11 May to 03:32 on Thu 12 May.", "fact": "1910-05-10T22:30:33Z → 1910-05-11T19:31:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:04 on the 10th, 18:39–20:04 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 86 minutes on the 10th and 85 of 85 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26873 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Fuzhou, 1910: Wednesday 11 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Jayantī 1910 falls on Wednesday 11 May. Tṛtīyā runs from 06:31 on Wed 11 May to 03:32 on Thu 12 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vinayaka-chaturthi?on=1910-05-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28994, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-05-12T03:31:56+08:00", "utc": "1910-05-11T19:31:56Z", "ms": -1882153683564.106 }, "end": { "local": "1910-05-13T01:06:11+08:00", "utc": "1910-05-12T17:06:11Z", "ms": -1882076028557.4697 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-12T03:31:56+08:00", "utc": "1910-05-11T19:31:56Z", "ms": -1882153683564.106 }, "end": { "local": "1910-05-13T01:06:11+08:00", "utc": "1910-05-12T17:06:11Z", "ms": -1882076028557.4697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-05-12", "window": { "start": { "local": "1910-05-12T11:35:10+08:00", "utc": "1910-05-12T03:35:10Z", "ms": -1882124690029.437 }, "end": { "local": "1910-05-12T12:23:10+08:00", "utc": "1910-05-12T04:23:10Z", "ms": -1882121810029.437 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-05-13", "window": { "start": { "local": "1910-05-13T11:35:08+08:00", "utc": "1910-05-13T03:35:08Z", "ms": -1882038291660.2263 }, "end": { "local": "1910-05-13T12:23:08+08:00", "utc": "1910-05-13T04:23:08Z", "ms": -1882035411660.2263 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:32 on Thu 12 May to 01:06 on Fri 13 May.", "fact": "1910-05-11T19:31:56Z → 1910-05-12T17:06:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 12th, 11:35–12:23 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28994 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Thursday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Thursday 12 May. Caturthī runs from 03:32 on Thu 12 May to 01:06 on Fri 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-05-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37737, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1910-05-13T01:06:11+08:00", "utc": "1910-05-12T17:06:11Z", "ms": -1882076028557.4697 }, "end": { "local": "1910-05-13T23:20:04+08:00", "utc": "1910-05-13T15:20:04Z", "ms": -1881995995636.4001 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-13T01:06:11+08:00", "utc": "1910-05-12T17:06:11Z", "ms": -1882076028557.4697 }, "end": { "local": "1910-05-13T23:20:04+08:00", "utc": "1910-05-13T15:20:04Z", "ms": -1881995995636.4001 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-05-13", "window": { "start": { "local": "1910-05-13T11:35:08+08:00", "utc": "1910-05-13T03:35:08Z", "ms": -1882038291660.2263 }, "end": { "local": "1910-05-13T12:23:08+08:00", "utc": "1910-05-13T04:23:08Z", "ms": -1882035411660.2263 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-05-14", "window": { "start": { "local": "1910-05-14T11:35:07+08:00", "utc": "1910-05-14T03:35:07Z", "ms": -1881951892738.375 }, "end": { "local": "1910-05-14T12:23:07+08:00", "utc": "1910-05-14T04:23:07Z", "ms": -1881949012738.375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 01:06 on Fri 13 May to 23:20 on Fri 13 May.", "fact": "1910-05-12T17:06:11Z → 1910-05-13T15:20:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 13th, 11:35–12:23 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37737 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Fuzhou, 1910: Friday 13 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Śaṅkara Jayantī 1910 falls on Friday 13 May. Pañcamī runs from 01:06 on Fri 13 May to 23:20 on Fri 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34799, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1910-05-14T22:18:20+08:00", "utc": "1910-05-14T14:18:20Z", "ms": -1881913300088.2273 }, "end": { "local": "1910-05-15T22:03:06+08:00", "utc": "1910-05-15T14:03:06Z", "ms": -1881827814278.3062 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-14T22:18:20+08:00", "utc": "1910-05-14T14:18:20Z", "ms": -1881913300088.2273 }, "end": { "local": "1910-05-15T22:03:06+08:00", "utc": "1910-05-15T14:03:06Z", "ms": -1881827814278.3062 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-05-14", "window": { "start": { "local": "1910-05-14T11:35:07+08:00", "utc": "1910-05-14T03:35:07Z", "ms": -1881951892738.375 }, "end": { "local": "1910-05-14T12:23:07+08:00", "utc": "1910-05-14T04:23:07Z", "ms": -1881949012738.375 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-05-15", "window": { "start": { "local": "1910-05-15T11:35:07+08:00", "utc": "1910-05-15T03:35:07Z", "ms": -1881865493266.6787 }, "end": { "local": "1910-05-15T12:23:07+08:00", "utc": "1910-05-15T04:23:07Z", "ms": -1881862613266.6787 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 22:18 on Sat 14 May to 22:03 on Sun 15 May.", "fact": "1910-05-14T14:18:20Z → 1910-05-15T14:03:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 14th, 11:35–12:23 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34799 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Fuzhou, 1910: Sunday 15 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 1910 falls on Sunday 15 May. Saptamī runs from 22:18 on Sat 14 May to 22:03 on Sun 15 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-05-19", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5480, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-05-19T01:31:35+08:00", "utc": "1910-05-18T17:31:35Z", "ms": -1881556105263.4377 }, "end": { "local": "1910-05-20T03:43:34+08:00", "utc": "1910-05-19T19:43:34Z", "ms": -1881461785684.2224 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-19T01:31:35+08:00", "utc": "1910-05-18T17:31:35Z", "ms": -1881556105263.4377 }, "end": { "local": "1910-05-20T03:43:34+08:00", "utc": "1910-05-19T19:43:34Z", "ms": -1881461785684.2224 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-05-19", "window": { "start": { "local": "1910-05-19T05:15:22+08:00", "utc": "1910-05-18T21:15:22Z", "ms": -1881542678020.9822 }, "end": { "local": "1910-05-19T05:15:22+08:00", "utc": "1910-05-18T21:15:22Z", "ms": -1881542678020.9822 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-05-20", "window": { "start": { "local": "1910-05-20T05:14:54+08:00", "utc": "1910-05-19T21:14:54Z", "ms": -1881456305535.23 }, "end": { "local": "1910-05-20T05:14:54+08:00", "utc": "1910-05-19T21:14:54Z", "ms": -1881456305535.23 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:32 on Thu 19 May to 03:44 on Fri 20 May.", "fact": "1910-05-18T17:31:35Z → 1910-05-19T19:43:34Z" }, { "step": "kaala", "text": "Sunrise is at 05:15 on the 19th and 05:15 on the 20th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5480 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Fuzhou, 1910: Thursday 19 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Mohinī Ekādaśī 1910 falls on Thursday 19 May. Ekādaśī runs from 01:32 on Thu 19 May to 03:44 on Fri 20 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-05-19", "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/1910/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19431, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1910-05-20T03:43:34+08:00", "utc": "1910-05-19T19:43:34Z", "ms": -1881461785684.2224 }, "end": { "local": "1910-05-21T06:11:24+08:00", "utc": "1910-05-20T22:11:24Z", "ms": -1881366515729.202 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-20T03:43:34+08:00", "utc": "1910-05-19T19:43:34Z", "ms": -1881461785684.2224 }, "end": { "local": "1910-05-21T06:11:24+08:00", "utc": "1910-05-20T22:11:24Z", "ms": -1881366515729.202 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-05-20", "window": { "start": { "local": "1910-05-20T11:35:12+08:00", "utc": "1910-05-20T03:35:12Z", "ms": -1881433487749.0896 }, "end": { "local": "1910-05-20T12:23:12+08:00", "utc": "1910-05-20T04:23:12Z", "ms": -1881430607749.0896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-05-21", "window": { "start": { "local": "1910-05-21T11:35:15+08:00", "utc": "1910-05-21T03:35:15Z", "ms": -1881347085034.0762 }, "end": { "local": "1910-05-21T12:23:15+08:00", "utc": "1910-05-21T04:23:15Z", "ms": -1881344205034.0762 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:44 on Fri 20 May to 06:11 on Sat 21 May.", "fact": "1910-05-19T19:43:34Z → 1910-05-20T22:11:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 20th, 11:35–12:23 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19431 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Fuzhou, 1910: Friday 20 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Dvādaśī 1910 falls on Friday 20 May. Dvādaśī runs from 03:44 on Fri 20 May to 06:11 on Sat 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19431, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1910-05-20T03:43:34+08:00", "utc": "1910-05-19T19:43:34Z", "ms": -1881461785684.2224 }, "end": { "local": "1910-05-21T06:11:24+08:00", "utc": "1910-05-20T22:11:24Z", "ms": -1881366515729.202 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-20T03:43:34+08:00", "utc": "1910-05-19T19:43:34Z", "ms": -1881461785684.2224 }, "end": { "local": "1910-05-21T06:11:24+08:00", "utc": "1910-05-20T22:11:24Z", "ms": -1881366515729.202 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-05-20", "window": { "start": { "local": "1910-05-20T11:35:12+08:00", "utc": "1910-05-20T03:35:12Z", "ms": -1881433487749.0896 }, "end": { "local": "1910-05-20T12:23:12+08:00", "utc": "1910-05-20T04:23:12Z", "ms": -1881430607749.0896 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-05-21", "window": { "start": { "local": "1910-05-21T11:35:15+08:00", "utc": "1910-05-21T03:35:15Z", "ms": -1881347085034.0762 }, "end": { "local": "1910-05-21T12:23:15+08:00", "utc": "1910-05-21T04:23:15Z", "ms": -1881344205034.0762 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:44 on Fri 20 May to 06:11 on Sat 21 May.", "fact": "1910-05-19T19:43:34Z → 1910-05-20T22:11:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 20th, 11:35–12:23 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19431 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Fuzhou, 1910: Friday 20 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Rukmiṇī Dvādaśī 1910 falls on Friday 20 May. Dvādaśī runs from 03:44 on Fri 20 May to 06:11 on Sat 21 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pradosha-vrata?on=1910-05-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35946, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-05-21T06:11:24+08:00", "utc": "1910-05-20T22:11:24Z", "ms": -1881366515729.202 }, "end": { "local": "1910-05-22T08:45:27+08:00", "utc": "1910-05-22T00:45:27Z", "ms": -1881270873133.0344 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-21T06:11:24+08:00", "utc": "1910-05-20T22:11:24Z", "ms": -1881366515729.202 }, "end": { "local": "1910-05-22T08:45:27+08:00", "utc": "1910-05-22T00:45:27Z", "ms": -1881270873133.0344 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-05-21", "window": { "start": { "local": "1910-05-21T18:44:02+08:00", "utc": "1910-05-21T10:44:02Z", "ms": -1881321358225.7642 }, "end": { "local": "1910-05-21T20:08:02+08:00", "utc": "1910-05-21T12:08:02Z", "ms": -1881316318053.196 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1910-05-22", "window": { "start": { "local": "1910-05-22T18:44:33+08:00", "utc": "1910-05-22T10:44:33Z", "ms": -1881234926649.4863 }, "end": { "local": "1910-05-22T20:08:26+08:00", "utc": "1910-05-22T12:08:26Z", "ms": -1881229893868.5247 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 06:11 on Sat 21 May to 08:45 on Sun 22 May.", "fact": "1910-05-20T22:11:24Z → 1910-05-22T00:45:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:44–20:08 on the 21st, 18:45–20:08 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 21st and 0 of 84 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35946 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Saturday 21 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Saturday 21 May. Trayodaśī runs from 06:11 on Sat 21 May to 08:45 on Sun 22 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-05-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26883, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-05-22T08:45:27+08:00", "utc": "1910-05-22T00:45:27Z", "ms": -1881270873133.0344 }, "end": { "local": "1910-05-23T11:17:02+08:00", "utc": "1910-05-23T03:17:02Z", "ms": -1881175378283.55 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-22T08:45:27+08:00", "utc": "1910-05-22T00:45:27Z", "ms": -1881270873133.0344 }, "end": { "local": "1910-05-23T11:17:02+08:00", "utc": "1910-05-23T03:17:02Z", "ms": -1881175378283.55 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-05-22", "window": { "start": { "local": "1910-05-22T18:44:33+08:00", "utc": "1910-05-22T10:44:33Z", "ms": -1881234926649.4863 }, "end": { "local": "1910-05-22T20:08:26+08:00", "utc": "1910-05-22T12:08:26Z", "ms": -1881229893868.5247 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1910-05-23", "window": { "start": { "local": "1910-05-23T18:45:05+08:00", "utc": "1910-05-23T10:45:05Z", "ms": -1881148495253.8125 }, "end": { "local": "1910-05-23T20:08:50+08:00", "utc": "1910-05-23T12:08:50Z", "ms": -1881143469675.3167 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:45 on Sun 22 May to 11:17 on Mon 23 May.", "fact": "1910-05-22T00:45:27Z → 1910-05-23T03:17:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:08 on the 22nd, 18:45–20:09 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 22nd and 0 of 84 on the 23rd.", "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 26883 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Fuzhou, 1910: Sunday 22 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1910 falls on Sunday 22 May. Caturdaśī runs from 08:45 on Sun 22 May to 11:17 on Mon 23 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-23", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1100, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-05-23T11:17:02+08:00", "utc": "1910-05-23T03:17:02Z", "ms": -1881175378283.55 }, "end": { "local": "1910-05-24T13:38:48+08:00", "utc": "1910-05-24T05:38:48Z", "ms": -1881080472225.5334 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-23T11:17:02+08:00", "utc": "1910-05-23T03:17:02Z", "ms": -1881175378283.55 }, "end": { "local": "1910-05-24T13:38:48+08:00", "utc": "1910-05-24T05:38:48Z", "ms": -1881080472225.5334 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-05-23", "window": { "start": { "local": "1910-05-23T11:35:22+08:00", "utc": "1910-05-23T03:35:22Z", "ms": -1881174278023.043 }, "end": { "local": "1910-05-23T12:23:22+08:00", "utc": "1910-05-23T04:23:22Z", "ms": -1881171398023.043 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-05-24", "window": { "start": { "local": "1910-05-24T11:35:26+08:00", "utc": "1910-05-24T03:35:26Z", "ms": -1881087873737.0125 }, "end": { "local": "1910-05-24T12:23:26+08:00", "utc": "1910-05-24T04:23:26Z", "ms": -1881084993737.0125 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:17 on Mon 23 May to 13:39 on Tue 24 May.", "fact": "1910-05-23T03:17:02Z → 1910-05-24T05:38:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 23rd, 11:35–12:23 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1100 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Fuzhou, 1910: Monday 23 May.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1910-05-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-24", "confidence": "boundary" } ], "quote": "In Fuzhou, Buddha Pūrṇimā 1910 falls on Monday 23 May. Pūrṇimā runs from 11:17 on Mon 23 May to 13:39 on Tue 24 May 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/1910/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/1910/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1100, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-05-23T11:17:02+08:00", "utc": "1910-05-23T03:17:02Z", "ms": -1881175378283.55 }, "end": { "local": "1910-05-24T13:38:48+08:00", "utc": "1910-05-24T05:38:48Z", "ms": -1881080472225.5334 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-23T11:17:02+08:00", "utc": "1910-05-23T03:17:02Z", "ms": -1881175378283.55 }, "end": { "local": "1910-05-24T13:38:48+08:00", "utc": "1910-05-24T05:38:48Z", "ms": -1881080472225.5334 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-05-23", "window": { "start": { "local": "1910-05-23T11:35:22+08:00", "utc": "1910-05-23T03:35:22Z", "ms": -1881174278023.043 }, "end": { "local": "1910-05-23T12:23:22+08:00", "utc": "1910-05-23T04:23:22Z", "ms": -1881171398023.043 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-05-24", "window": { "start": { "local": "1910-05-24T11:35:26+08:00", "utc": "1910-05-24T03:35:26Z", "ms": -1881087873737.0125 }, "end": { "local": "1910-05-24T12:23:26+08:00", "utc": "1910-05-24T04:23:26Z", "ms": -1881084993737.0125 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 11:17 on Mon 23 May to 13:39 on Tue 24 May.", "fact": "1910-05-23T03:17:02Z → 1910-05-24T05:38:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 23rd, 11:35–12:23 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1100 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Fuzhou, 1910: Tuesday 24 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": "1910-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Sampat Gaurī Vrata 1910 falls on Tuesday 24 May. Pūrṇimā runs from 11:17 on Mon 23 May to 13:39 on Tue 24 May and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-05-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10224, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-05-27T18:50:01+08:00", "utc": "1910-05-27T10:50:01Z", "ms": -1880802598902.7253 }, "end": { "local": "1910-05-28T19:41:45+08:00", "utc": "1910-05-28T11:41:45Z", "ms": -1880713095462.3247 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-05-27T18:50:01+08:00", "utc": "1910-05-27T10:50:01Z", "ms": -1880802598902.7253 }, "end": { "local": "1910-05-28T19:41:45+08:00", "utc": "1910-05-28T11:41:45Z", "ms": -1880713095462.3247 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-05-27", "window": { "start": { "local": "1910-05-27T21:41:25+08:00", "utc": "1910-05-27T13:41:25Z", "ms": -1880792314851.4143 }, "end": { "local": "1910-05-27T21:41:25+08:00", "utc": "1910-05-27T13:41:25Z", "ms": -1880792314851.4143 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-05-28", "window": { "start": { "local": "1910-05-28T22:32:09+08:00", "utc": "1910-05-28T14:32:09Z", "ms": -1880702871254.857 }, "end": { "local": "1910-05-28T22:32:09+08:00", "utc": "1910-05-28T14:32:09Z", "ms": -1880702871254.857 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:50 on Fri 27 May to 19:42 on Sat 28 May.", "fact": "1910-05-27T10:50:01Z → 1910-05-28T11:41:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:41 on the 27th and 22:32 on the 28th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10224 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Friday 27 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-05-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Friday 27 May. Caturthī runs from 18:50 on Fri 27 May to 19:42 on Sat 28 May and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-05-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-06-04", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19137, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-06-03T13:19:09+08:00", "utc": "1910-06-03T05:19:09Z", "ms": -1880217651264.909 }, "end": { "local": "1910-06-04T10:29:28+08:00", "utc": "1910-06-04T02:29:28Z", "ms": -1880141431930.27 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-03T13:19:09+08:00", "utc": "1910-06-03T05:19:09Z", "ms": -1880217651264.909 }, "end": { "local": "1910-06-04T10:29:28+08:00", "utc": "1910-06-04T02:29:28Z", "ms": -1880141431930.27 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-06-03", "window": { "start": { "local": "1910-06-03T05:10:40+08:00", "utc": "1910-06-02T21:10:40Z", "ms": -1880246960032.4624 }, "end": { "local": "1910-06-03T05:10:40+08:00", "utc": "1910-06-02T21:10:40Z", "ms": -1880246960032.4624 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-06-04", "window": { "start": { "local": "1910-06-04T05:10:31+08:00", "utc": "1910-06-03T21:10:31Z", "ms": -1880160568658.5571 }, "end": { "local": "1910-06-04T05:10:31+08:00", "utc": "1910-06-03T21:10:31Z", "ms": -1880160568658.5571 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:19 on Fri 3 Jun to 10:29 on Sat 4 Jun.", "fact": "1910-06-03T05:19:09Z → 1910-06-04T02:29:28Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 3rd and 05:11 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19137 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Fuzhou, 1910: Saturday 4 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Aparā Ekādaśī 1910 falls on Saturday 4 June. Ekādaśī runs from 13:19 on Fri 3 Jun to 10:29 on Sat 4 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-06-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-06-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27981, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-06-05T07:20:49+08:00", "utc": "1910-06-04T23:20:49Z", "ms": -1880066350912.851 }, "end": { "local": "1910-06-06T04:00:18+08:00", "utc": "1910-06-05T20:00:18Z", "ms": -1879991981638.6191 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-05T07:20:49+08:00", "utc": "1910-06-04T23:20:49Z", "ms": -1880066350912.851 }, "end": { "local": "1910-06-06T04:00:18+08:00", "utc": "1910-06-05T20:00:18Z", "ms": -1879991981638.6191 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-06-04", "window": { "start": { "local": "1910-06-04T18:50:59+08:00", "utc": "1910-06-04T10:50:59Z", "ms": -1880111340673.206 }, "end": { "local": "1910-06-04T20:13:35+08:00", "utc": "1910-06-04T12:13:35Z", "ms": -1880106385385.114 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "1910-06-05", "window": { "start": { "local": "1910-06-05T18:51:26+08:00", "utc": "1910-06-05T10:51:26Z", "ms": -1880024913752.0156 }, "end": { "local": "1910-06-05T20:13:57+08:00", "utc": "1910-06-05T12:13:57Z", "ms": -1880019962865.554 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:21 on Sun 5 Jun to 04:00 on Mon 6 Jun.", "fact": "1910-06-04T23:20:49Z → 1910-06-05T20:00:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:14 on the 4th, 18:51–20:14 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 4th and 83 of 83 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 27981 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Sunday 5 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Sunday 5 June. Trayodaśī runs from 07:21 on Sun 5 Jun to 04:00 on Mon 6 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-06-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-06-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 652, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-06-06T04:00:18+08:00", "utc": "1910-06-05T20:00:18Z", "ms": -1879991981638.6191 }, "end": { "local": "1910-06-07T00:35:55+08:00", "utc": "1910-06-06T16:35:55Z", "ms": -1879917844700.071 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-06T04:00:18+08:00", "utc": "1910-06-05T20:00:18Z", "ms": -1879991981638.6191 }, "end": { "local": "1910-06-07T00:35:55+08:00", "utc": "1910-06-06T16:35:55Z", "ms": -1879917844700.071 } }, "kaala": "nishita", "days": [ { "local_date": "1910-06-05", "window": { "start": { "local": "1910-06-05T23:36:52+08:00", "utc": "1910-06-05T15:36:52Z", "ms": -1880007787927.784 }, "end": { "local": "1910-06-06T00:24:52+08:00", "utc": "1910-06-05T16:24:52Z", "ms": -1880004907927.784 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-06-06", "window": { "start": { "local": "1910-06-06T23:37:03+08:00", "utc": "1910-06-06T15:37:03Z", "ms": -1879921377159.843 }, "end": { "local": "1910-06-07T00:25:03+08:00", "utc": "1910-06-06T16:25:03Z", "ms": -1879918497159.843 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:00 on Mon 6 Jun to 00:36 on Tue 7 Jun.", "fact": "1910-06-05T20:00:18Z → 1910-06-06T16:35:55Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 5th, 23:37–00:25 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 652 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Monday 6 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": "1910-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Monday 6 June. Caturdaśī runs from 04:00 on Mon 6 Jun to 00:36 on Tue 7 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-06-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2979, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1910-06-09T15:27:16+08:00", "utc": "1910-06-09T07:27:16Z", "ms": -1879691564345.3022 }, "end": { "local": "1910-06-10T13:15:27+08:00", "utc": "1910-06-10T05:15:27Z", "ms": -1879613072503.0984 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-09T15:27:16+08:00", "utc": "1910-06-09T07:27:16Z", "ms": -1879691564345.3022 }, "end": { "local": "1910-06-10T13:15:27+08:00", "utc": "1910-06-10T05:15:27Z", "ms": -1879613072503.0984 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-06-09", "window": { "start": { "local": "1910-06-09T11:37:38+08:00", "utc": "1910-06-09T03:37:38Z", "ms": -1879705342402.6719 }, "end": { "local": "1910-06-09T12:25:38+08:00", "utc": "1910-06-09T04:25:38Z", "ms": -1879702462402.6719 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-06-10", "window": { "start": { "local": "1910-06-10T11:37:49+08:00", "utc": "1910-06-10T03:37:49Z", "ms": -1879618931071.7605 }, "end": { "local": "1910-06-10T12:25:49+08:00", "utc": "1910-06-10T04:25:49Z", "ms": -1879616051071.7605 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:27 on Thu 9 Jun to 13:15 on Fri 10 Jun.", "fact": "1910-06-09T07:27:16Z → 1910-06-10T05:15:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 9th, 11:38–12:26 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2979 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Fuzhou, 1910: Friday 10 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Rambhā Tṛtīyā 1910 falls on Friday 10 June. Tṛtīyā runs from 15:27 on Thu 9 Jun to 13:15 on Fri 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vinayaka-chaturthi?on=1910-06-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-11", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 272, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-06-10T13:15:27+08:00", "utc": "1910-06-10T05:15:27Z", "ms": -1879613072503.0984 }, "end": { "local": "1910-06-11T11:42:32+08:00", "utc": "1910-06-11T03:42:32Z", "ms": -1879532247934.589 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-10T13:15:27+08:00", "utc": "1910-06-10T05:15:27Z", "ms": -1879613072503.0984 }, "end": { "local": "1910-06-11T11:42:32+08:00", "utc": "1910-06-11T03:42:32Z", "ms": -1879532247934.589 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-06-10", "window": { "start": { "local": "1910-06-10T11:37:49+08:00", "utc": "1910-06-10T03:37:49Z", "ms": -1879618931071.7605 }, "end": { "local": "1910-06-10T12:25:49+08:00", "utc": "1910-06-10T04:25:49Z", "ms": -1879616051071.7605 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-06-11", "window": { "start": { "local": "1910-06-11T11:38:00+08:00", "utc": "1910-06-11T03:38:00Z", "ms": -1879532519507.0996 }, "end": { "local": "1910-06-11T12:26:00+08:00", "utc": "1910-06-11T04:26:00Z", "ms": -1879529639507.0996 } }, "covered_min": 5, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:15 on Fri 10 Jun to 11:43 on Sat 11 Jun.", "fact": "1910-06-10T05:15:27Z → 1910-06-11T03:42:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 10th, 11:38–12:26 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 5 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 272 s < 300 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Saturday 11 June.", "fact": "confidence: boundary (margin)" } ], "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": "1910-06-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-11", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Saturday 11 June. Caturthī runs from 13:15 on Fri 10 Jun to 11:43 on Sat 11 Jun and covers 5 of 48 minutes of madhyāhna that midday. It is 4 min 32 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-06-11", "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/1910/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2640, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1910-06-12T10:54:12+08:00", "utc": "1910-06-12T02:54:12Z", "ms": -1879448747747.4968 }, "end": { "local": "1910-06-13T10:53:27+08:00", "utc": "1910-06-13T02:53:27Z", "ms": -1879362392887.6333 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-12T10:54:12+08:00", "utc": "1910-06-12T02:54:12Z", "ms": -1879448747747.4968 }, "end": { "local": "1910-06-13T10:53:27+08:00", "utc": "1910-06-13T02:53:27Z", "ms": -1879362392887.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-06-12", "window": { "start": { "local": "1910-06-12T11:38:12+08:00", "utc": "1910-06-12T03:38:12Z", "ms": -1879446107732.9463 }, "end": { "local": "1910-06-12T12:26:12+08:00", "utc": "1910-06-12T04:26:12Z", "ms": -1879443227732.9463 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-06-13", "window": { "start": { "local": "1910-06-13T11:38:24+08:00", "utc": "1910-06-13T03:38:24Z", "ms": -1879359695772.7495 }, "end": { "local": "1910-06-13T12:26:24+08:00", "utc": "1910-06-13T04:26:24Z", "ms": -1879356815772.7495 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:54 on Sun 12 Jun to 10:53 on Mon 13 Jun.", "fact": "1910-06-12T02:54:12Z → 1910-06-13T02:53:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:38–12:26 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2640 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Fuzhou, 1910: Sunday 12 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Araṇya Gaurī Vrata 1910 falls on Sunday 12 June. Ṣaṣṭhī runs from 10:54 on Sun 12 Jun to 10:53 on Mon 13 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2640, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1910-06-12T10:54:12+08:00", "utc": "1910-06-12T02:54:12Z", "ms": -1879448747747.4968 }, "end": { "local": "1910-06-13T10:53:27+08:00", "utc": "1910-06-13T02:53:27Z", "ms": -1879362392887.6333 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-12T10:54:12+08:00", "utc": "1910-06-12T02:54:12Z", "ms": -1879448747747.4968 }, "end": { "local": "1910-06-13T10:53:27+08:00", "utc": "1910-06-13T02:53:27Z", "ms": -1879362392887.6333 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-06-12", "window": { "start": { "local": "1910-06-12T11:38:12+08:00", "utc": "1910-06-12T03:38:12Z", "ms": -1879446107732.9463 }, "end": { "local": "1910-06-12T12:26:12+08:00", "utc": "1910-06-12T04:26:12Z", "ms": -1879443227732.9463 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-06-13", "window": { "start": { "local": "1910-06-13T11:38:24+08:00", "utc": "1910-06-13T03:38:24Z", "ms": -1879359695772.7495 }, "end": { "local": "1910-06-13T12:26:24+08:00", "utc": "1910-06-13T04:26:24Z", "ms": -1879356815772.7495 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:54 on Sun 12 Jun to 10:53 on Mon 13 Jun.", "fact": "1910-06-12T02:54:12Z → 1910-06-13T02:53:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:38–12:26 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2640 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 1910: Sunday 12 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1910 falls on Sunday 12 June. Ṣaṣṭhī runs from 10:54 on Sun 12 Jun to 10:53 on Mon 13 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-06-18", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32590, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-06-17T17:34:32+08:00", "utc": "1910-06-17T09:34:32Z", "ms": -1878992727596.0813 }, "end": { "local": "1910-06-18T20:07:37+08:00", "utc": "1910-06-18T12:07:37Z", "ms": -1878897142841.107 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-17T17:34:32+08:00", "utc": "1910-06-17T09:34:32Z", "ms": -1878992727596.0813 }, "end": { "local": "1910-06-18T20:07:37+08:00", "utc": "1910-06-18T12:07:37Z", "ms": -1878897142841.107 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-06-18", "window": { "start": { "local": "1910-06-18T05:10:38+08:00", "utc": "1910-06-17T21:10:38Z", "ms": -1878950961959.3557 }, "end": { "local": "1910-06-18T05:10:38+08:00", "utc": "1910-06-17T21:10:38Z", "ms": -1878950961959.3557 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-06-19", "window": { "start": { "local": "1910-06-19T05:10:47+08:00", "utc": "1910-06-18T21:10:47Z", "ms": -1878864553003.004 }, "end": { "local": "1910-06-19T05:10:47+08:00", "utc": "1910-06-18T21:10:47Z", "ms": -1878864553003.004 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:35 on Fri 17 Jun to 20:08 on Sat 18 Jun.", "fact": "1910-06-17T09:34:32Z → 1910-06-18T12:07:37Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 18th and 05:11 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32590 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Fuzhou, 1910: Saturday 18 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Nirjalā Ekādaśī 1910 falls on Saturday 18 June. Ekādaśī runs from 17:35 on Fri 17 Jun to 20:08 on Sat 18 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-06-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27611, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1910-06-18T20:07:37+08:00", "utc": "1910-06-18T12:07:37Z", "ms": -1878897142841.107 }, "end": { "local": "1910-06-19T22:37:01+08:00", "utc": "1910-06-19T14:37:01Z", "ms": -1878801779197.013 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-18T20:07:37+08:00", "utc": "1910-06-18T12:07:37Z", "ms": -1878897142841.107 }, "end": { "local": "1910-06-19T22:37:01+08:00", "utc": "1910-06-19T14:37:01Z", "ms": -1878801779197.013 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-06-18", "window": { "start": { "local": "1910-06-18T11:39:26+08:00", "utc": "1910-06-18T03:39:26Z", "ms": -1878927633963.3875 }, "end": { "local": "1910-06-18T12:27:26+08:00", "utc": "1910-06-18T04:27:26Z", "ms": -1878924753963.3875 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-06-19", "window": { "start": { "local": "1910-06-19T11:39:39+08:00", "utc": "1910-06-19T03:39:39Z", "ms": -1878841221351.276 }, "end": { "local": "1910-06-19T12:27:39+08:00", "utc": "1910-06-19T04:27:39Z", "ms": -1878838341351.276 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 20:08 on Sat 18 Jun to 22:37 on Sun 19 Jun.", "fact": "1910-06-18T12:07:37Z → 1910-06-19T14:37:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 18th, 11:40–12:28 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 27611 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Fuzhou, 1910: Sunday 19 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Rāma Dvādaśī 1910 falls on Sunday 19 June. Dvādaśī runs from 20:08 on Sat 18 Jun to 22:37 on Sun 19 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pradosha-vrata?on=1910-06-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8315, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-06-19T22:37:01+08:00", "utc": "1910-06-19T14:37:01Z", "ms": -1878801779197.013 }, "end": { "local": "1910-06-21T00:52:07+08:00", "utc": "1910-06-20T16:52:07Z", "ms": -1878707272877.348 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-19T22:37:01+08:00", "utc": "1910-06-19T14:37:01Z", "ms": -1878801779197.013 }, "end": { "local": "1910-06-21T00:52:07+08:00", "utc": "1910-06-20T16:52:07Z", "ms": -1878707272877.348 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-06-19", "window": { "start": { "local": "1910-06-19T18:56:30+08:00", "utc": "1910-06-19T10:56:30Z", "ms": -1878815009699.5479 }, "end": { "local": "1910-06-19T20:18:26+08:00", "utc": "1910-06-19T12:18:26Z", "ms": -1878810094140.8953 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1910-06-20", "window": { "start": { "local": "1910-06-20T18:56:46+08:00", "utc": "1910-06-20T10:56:46Z", "ms": -1878728594400.3389 }, "end": { "local": "1910-06-20T20:18:41+08:00", "utc": "1910-06-20T12:18:41Z", "ms": -1878723679413.4807 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:37 on Sun 19 Jun to 00:52 on Tue 21 Jun.", "fact": "1910-06-19T14:37:01Z → 1910-06-20T16:52:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:18 on the 19th, 18:57–20:19 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 19th and 82 of 82 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8315 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Monday 20 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": "1910-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Monday 20 June. Trayodaśī runs from 22:37 on Sun 19 Jun to 00:52 on Tue 21 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-06-20", "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/1910/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23178, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-06-22T02:45:13+08:00", "utc": "1910-06-21T18:45:13Z", "ms": -1878614087218.921 }, "end": { "local": "1910-06-23T04:11:36+08:00", "utc": "1910-06-22T20:11:36Z", "ms": -1878522503971.5256 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-22T02:45:13+08:00", "utc": "1910-06-21T18:45:13Z", "ms": -1878614087218.921 }, "end": { "local": "1910-06-23T04:11:36+08:00", "utc": "1910-06-22T20:11:36Z", "ms": -1878522503971.5256 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-06-21", "window": { "start": { "local": "1910-06-21T18:57:00+08:00", "utc": "1910-06-21T10:57:00Z", "ms": -1878642180091.3462 }, "end": { "local": "1910-06-21T20:18:55+08:00", "utc": "1910-06-21T12:18:55Z", "ms": -1878637265411.2712 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1910-06-22", "window": { "start": { "local": "1910-06-22T18:57:13+08:00", "utc": "1910-06-22T10:57:13Z", "ms": -1878555766793.1218 }, "end": { "local": "1910-06-22T20:19:08+08:00", "utc": "1910-06-22T12:19:08Z", "ms": -1878550852154.8018 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:45 on Wed 22 Jun to 04:12 on Thu 23 Jun.", "fact": "1910-06-21T18:45:13Z → 1910-06-22T20:11:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:19 on the 21st, 18:57–20:19 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 82 minutes on the 21st and 82 of 82 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23178 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 1910: Wednesday 22 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vata-savitri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 1910 falls on Wednesday 22 June. Pūrṇimā runs from 02:45 on Wed 22 Jun to 04:12 on Thu 23 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-06-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25918, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-06-26T05:38:36+08:00", "utc": "1910-06-25T21:38:36Z", "ms": -1878258084248.6672 }, "end": { "local": "1910-06-27T05:12:58+08:00", "utc": "1910-06-26T21:12:58Z", "ms": -1878173221937.439 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-06-26T05:38:36+08:00", "utc": "1910-06-25T21:38:36Z", "ms": -1878258084248.6672 }, "end": { "local": "1910-06-27T05:12:58+08:00", "utc": "1910-06-26T21:12:58Z", "ms": -1878173221937.439 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-06-25", "window": { "start": { "local": "1910-06-25T21:17:11+08:00", "utc": "1910-06-25T13:17:11Z", "ms": -1878288169261.5579 }, "end": { "local": "1910-06-25T21:17:11+08:00", "utc": "1910-06-25T13:17:11Z", "ms": -1878288169261.5579 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-06-26", "window": { "start": { "local": "1910-06-26T22:01:00+08:00", "utc": "1910-06-26T14:01:00Z", "ms": -1878199139948.5972 }, "end": { "local": "1910-06-26T22:01:00+08:00", "utc": "1910-06-26T14:01:00Z", "ms": -1878199139948.5972 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:39 on Sun 26 Jun to 05:13 on Mon 27 Jun.", "fact": "1910-06-25T21:38:36Z → 1910-06-26T21:12:58Z" }, { "step": "kaala", "text": "Moonrise is at 21:17 on the 25th and 22:01 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25918 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Sunday 26 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-06-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Sunday 26 June. Caturthī runs from 05:39 on Sun 26 Jun to 05:13 on Mon 27 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-06-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-07-03", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37088, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-07-02T18:56:24+08:00", "utc": "1910-07-02T10:56:24Z", "ms": -1877691815782.322 }, "end": { "local": "1910-07-03T16:15:20+08:00", "utc": "1910-07-03T08:15:20Z", "ms": -1877615080143.5867 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-02T18:56:24+08:00", "utc": "1910-07-02T10:56:24Z", "ms": -1877691815782.322 }, "end": { "local": "1910-07-03T16:15:20+08:00", "utc": "1910-07-03T08:15:20Z", "ms": -1877615080143.5867 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-07-03", "window": { "start": { "local": "1910-07-03T05:14:32+08:00", "utc": "1910-07-02T21:14:32Z", "ms": -1877654728248.7642 }, "end": { "local": "1910-07-03T05:14:32+08:00", "utc": "1910-07-02T21:14:32Z", "ms": -1877654728248.7642 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-07-04", "window": { "start": { "local": "1910-07-04T05:14:54+08:00", "utc": "1910-07-03T21:14:54Z", "ms": -1877568306025.363 }, "end": { "local": "1910-07-04T05:14:54+08:00", "utc": "1910-07-03T21:14:54Z", "ms": -1877568306025.363 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:56 on Sat 2 Jul to 16:15 on Sun 3 Jul.", "fact": "1910-07-02T10:56:24Z → 1910-07-03T08:15:20Z" }, { "step": "kaala", "text": "Sunrise is at 05:15 on the 3rd and 05:15 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 37088 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Fuzhou, 1910: Sunday 3 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Yoginī Ekādaśī 1910 falls on Sunday 3 July. Ekādaśī runs from 18:56 on Sat 2 Jul to 16:15 on Sun 3 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-07-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-07-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19897, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-07-04T13:26:51+08:00", "utc": "1910-07-04T05:26:51Z", "ms": -1877538789399.1326 }, "end": { "local": "1910-07-05T10:36:44+08:00", "utc": "1910-07-05T02:36:44Z", "ms": -1877462596066.2153 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-04T13:26:51+08:00", "utc": "1910-07-04T05:26:51Z", "ms": -1877538789399.1326 }, "end": { "local": "1910-07-05T10:36:44+08:00", "utc": "1910-07-05T02:36:44Z", "ms": -1877462596066.2153 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-07-04", "window": { "start": { "local": "1910-07-04T18:58:27+08:00", "utc": "1910-07-04T10:58:27Z", "ms": -1877518892573.024 }, "end": { "local": "1910-07-04T20:20:42+08:00", "utc": "1910-07-04T12:20:42Z", "ms": -1877513957980.4385 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1910-07-05", "window": { "start": { "local": "1910-07-05T18:58:26+08:00", "utc": "1910-07-05T10:58:26Z", "ms": -1877432494001.3562 }, "end": { "local": "1910-07-05T20:20:44+08:00", "utc": "1910-07-05T12:20:44Z", "ms": -1877427556080.2778 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:27 on Mon 4 Jul to 10:37 on Tue 5 Jul.", "fact": "1910-07-04T05:26:51Z → 1910-07-05T02:36:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:21 on the 4th, 18:58–20:21 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 4th and 0 of 82 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19897 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Monday 4 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Monday 4 July. Trayodaśī runs from 13:27 on Mon 4 Jul to 10:37 on Tue 5 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-07-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-07-05", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26448, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-07-05T10:36:44+08:00", "utc": "1910-07-05T02:36:44Z", "ms": -1877462596066.2153 }, "end": { "local": "1910-07-06T07:51:51+08:00", "utc": "1910-07-05T23:51:51Z", "ms": -1877386088690.8633 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-05T10:36:44+08:00", "utc": "1910-07-05T02:36:44Z", "ms": -1877462596066.2153 }, "end": { "local": "1910-07-06T07:51:51+08:00", "utc": "1910-07-05T23:51:51Z", "ms": -1877386088690.8633 } }, "kaala": "nishita", "days": [ { "local_date": "1910-07-04", "window": { "start": { "local": "1910-07-04T23:42:52+08:00", "utc": "1910-07-04T15:42:52Z", "ms": -1877501827850.8281 }, "end": { "local": "1910-07-05T00:30:52+08:00", "utc": "1910-07-04T16:30:52Z", "ms": -1877498947850.8281 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-07-05", "window": { "start": { "local": "1910-07-05T23:43:03+08:00", "utc": "1910-07-05T15:43:03Z", "ms": -1877415416797.312 }, "end": { "local": "1910-07-06T00:31:03+08:00", "utc": "1910-07-05T16:31:03Z", "ms": -1877412536797.312 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:37 on Tue 5 Jul to 07:52 on Wed 6 Jul.", "fact": "1910-07-05T02:36:44Z → 1910-07-05T23:51:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 4th, 23:43–00:31 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26448 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Tuesday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Tuesday 5 July. Caturdaśī runs from 10:37 on Tue 5 Jul to 07:52 on Wed 6 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-07-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30853, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1910-07-08T03:09:09+08:00", "utc": "1910-07-07T19:09:09Z", "ms": -1877230250969.8127 }, "end": { "local": "1910-07-09T01:27:44+08:00", "utc": "1910-07-08T17:27:44Z", "ms": -1877149936324.4465 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-08T03:09:09+08:00", "utc": "1910-07-07T19:09:09Z", "ms": -1877230250969.8127 }, "end": { "local": "1910-07-09T01:27:44+08:00", "utc": "1910-07-08T17:27:44Z", "ms": -1877149936324.4465 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-07-08", "window": { "start": { "local": "1910-07-08T11:43:22+08:00", "utc": "1910-07-08T03:43:22Z", "ms": -1877199398287.2788 }, "end": { "local": "1910-07-08T12:31:22+08:00", "utc": "1910-07-08T04:31:22Z", "ms": -1877196518287.2788 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-07-09", "window": { "start": { "local": "1910-07-09T11:43:31+08:00", "utc": "1910-07-09T03:43:31Z", "ms": -1877112988918.6973 }, "end": { "local": "1910-07-09T12:31:31+08:00", "utc": "1910-07-09T04:31:31Z", "ms": -1877110108918.6973 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 03:09 on Fri 8 Jul to 01:28 on Sat 9 Jul.", "fact": "1910-07-07T19:09:09Z → 1910-07-08T17:27:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 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": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30853 s" }, { "step": "ruling", "text": "Rathayātrā, Fuzhou, 1910: Friday 8 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Rathayātrā 1910 falls on Friday 8 July. Dvitīyā runs from 03:09 on Fri 8 Jul to 01:28 on Sat 9 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vinayaka-chaturthi?on=1910-07-10", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40834, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-07-10T00:23:06+08:00", "utc": "1910-07-09T16:23:06Z", "ms": -1877067413857.8928 }, "end": { "local": "1910-07-11T00:01:02+08:00", "utc": "1910-07-10T16:01:02Z", "ms": -1876982338394.0774 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-10T00:23:06+08:00", "utc": "1910-07-09T16:23:06Z", "ms": -1877067413857.8928 }, "end": { "local": "1910-07-11T00:01:02+08:00", "utc": "1910-07-10T16:01:02Z", "ms": -1876982338394.0774 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-07-10", "window": { "start": { "local": "1910-07-10T11:43:40+08:00", "utc": "1910-07-10T03:43:40Z", "ms": -1877026579950.4067 }, "end": { "local": "1910-07-10T12:31:40+08:00", "utc": "1910-07-10T04:31:40Z", "ms": -1877023699950.4067 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-07-11", "window": { "start": { "local": "1910-07-11T11:43:49+08:00", "utc": "1910-07-11T03:43:49Z", "ms": -1876940171402.9756 }, "end": { "local": "1910-07-11T12:31:49+08:00", "utc": "1910-07-11T04:31:49Z", "ms": -1876937291402.9756 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:23 on Sun 10 Jul to 00:01 on Mon 11 Jul.", "fact": "1910-07-09T16:23:06Z → 1910-07-10T16:01:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 10th, 11:44–12:32 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40834 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Sunday 10 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Sunday 10 July. Caturthī runs from 00:23 on Sun 10 Jul to 00:01 on Mon 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-07-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40770, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1910-07-11T00:01:02+08:00", "utc": "1910-07-10T16:01:02Z", "ms": -1876982338394.0774 }, "end": { "local": "1910-07-12T00:24:27+08:00", "utc": "1910-07-11T16:24:27Z", "ms": -1876894533443.0364 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-11T00:01:02+08:00", "utc": "1910-07-10T16:01:02Z", "ms": -1876982338394.0774 }, "end": { "local": "1910-07-12T00:24:27+08:00", "utc": "1910-07-11T16:24:27Z", "ms": -1876894533443.0364 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-07-11", "window": { "start": { "local": "1910-07-11T11:43:49+08:00", "utc": "1910-07-11T03:43:49Z", "ms": -1876940171402.9756 }, "end": { "local": "1910-07-11T12:31:49+08:00", "utc": "1910-07-11T04:31:49Z", "ms": -1876937291402.9756 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-07-12", "window": { "start": { "local": "1910-07-12T11:43:57+08:00", "utc": "1910-07-12T03:43:57Z", "ms": -1876853763295.3013 }, "end": { "local": "1910-07-12T12:31:57+08:00", "utc": "1910-07-12T04:31:57Z", "ms": -1876850883295.3013 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:01 on Mon 11 Jul to 00:24 on Tue 12 Jul.", "fact": "1910-07-10T16:01:02Z → 1910-07-11T16:24:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 11th, 11:44–12:32 on the 12th.", "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 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40770 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Fuzhou, 1910: Monday 11 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Pañcamī 1910 falls on Monday 11 July. Pañcamī runs from 00:01 on Mon 11 Jul to 00:24 on Tue 12 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30301, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1910-07-13T01:32:22+08:00", "utc": "1910-07-12T17:32:22Z", "ms": -1876804057585.922 }, "end": { "local": "1910-07-14T03:19:10+08:00", "utc": "1910-07-13T19:19:10Z", "ms": -1876711249604.4539 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-13T01:32:22+08:00", "utc": "1910-07-12T17:32:22Z", "ms": -1876804057585.922 }, "end": { "local": "1910-07-14T03:19:10+08:00", "utc": "1910-07-13T19:19:10Z", "ms": -1876711249604.4539 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-07-13", "window": { "start": { "local": "1910-07-13T11:44:04+08:00", "utc": "1910-07-13T03:44:04Z", "ms": -1876767355644.7104 }, "end": { "local": "1910-07-13T12:32:04+08:00", "utc": "1910-07-13T04:32:04Z", "ms": -1876764475644.7104 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-07-14", "window": { "start": { "local": "1910-07-14T11:44:12+08:00", "utc": "1910-07-14T03:44:12Z", "ms": -1876680948467.0825 }, "end": { "local": "1910-07-14T12:32:12+08:00", "utc": "1910-07-14T04:32:12Z", "ms": -1876678068467.0825 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 01:32 on Wed 13 Jul to 03:19 on Thu 14 Jul.", "fact": "1910-07-12T17:32:22Z → 1910-07-13T19:19:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 13th, 11:44–12:32 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30301 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Fuzhou, 1910: Wednesday 13 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Vivasvat Saptamī 1910 falls on Wednesday 13 July. Saptamī runs from 01:32 on Wed 13 Jul to 03:19 on Thu 14 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-07-18", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18826, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-07-17T10:34:18+08:00", "utc": "1910-07-17T02:34:18Z", "ms": -1876425941800.516 }, "end": { "local": "1910-07-18T12:49:04+08:00", "utc": "1910-07-18T04:49:04Z", "ms": -1876331455966.4756 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-17T10:34:18+08:00", "utc": "1910-07-17T02:34:18Z", "ms": -1876425941800.516 }, "end": { "local": "1910-07-18T12:49:04+08:00", "utc": "1910-07-18T04:49:04Z", "ms": -1876331455966.4756 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-07-17", "window": { "start": { "local": "1910-07-17T05:20:32+08:00", "utc": "1910-07-16T21:20:32Z", "ms": -1876444768281.9092 }, "end": { "local": "1910-07-17T05:20:32+08:00", "utc": "1910-07-16T21:20:32Z", "ms": -1876444768281.9092 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-07-18", "window": { "start": { "local": "1910-07-18T05:21:00+08:00", "utc": "1910-07-17T21:21:00Z", "ms": -1876358339655.0713 }, "end": { "local": "1910-07-18T05:21:00+08:00", "utc": "1910-07-17T21:21:00Z", "ms": -1876358339655.0713 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:34 on Sun 17 Jul to 12:49 on Mon 18 Jul.", "fact": "1910-07-17T02:34:18Z → 1910-07-18T04:49:04Z" }, { "step": "kaala", "text": "Sunrise is at 05:21 on the 17th and 05:21 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 18826 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Fuzhou, 1910: Monday 18 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Hariśayanī Ekādaśī 1910 falls on Monday 18 July. Ekādaśī runs from 10:34 on Sun 17 Jul to 12:49 on Mon 18 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-07-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-07-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10939, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-07-19T14:37:43+08:00", "utc": "1910-07-19T06:37:43Z", "ms": -1876238536628.8506 }, "end": { "local": "1910-07-20T15:53:10+08:00", "utc": "1910-07-20T07:53:10Z", "ms": -1876147609734.9197 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-19T14:37:43+08:00", "utc": "1910-07-19T06:37:43Z", "ms": -1876238536628.8506 }, "end": { "local": "1910-07-20T15:53:10+08:00", "utc": "1910-07-20T07:53:10Z", "ms": -1876147609734.9197 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-07-19", "window": { "start": { "local": "1910-07-19T18:55:51+08:00", "utc": "1910-07-19T10:55:51Z", "ms": -1876223049485.655 }, "end": { "local": "1910-07-19T20:19:20+08:00", "utc": "1910-07-19T12:19:20Z", "ms": -1876218040449.0327 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1910-07-20", "window": { "start": { "local": "1910-07-20T18:55:30+08:00", "utc": "1910-07-20T10:55:30Z", "ms": -1876136670407.672 }, "end": { "local": "1910-07-20T20:19:05+08:00", "utc": "1910-07-20T12:19:05Z", "ms": -1876131654678.7207 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:38 on Tue 19 Jul to 15:53 on Wed 20 Jul.", "fact": "1910-07-19T06:37:43Z → 1910-07-20T07:53:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:19 on the 19th, 18:55–20:19 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 19th and 0 of 84 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10939 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Tuesday 19 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Tuesday 19 July. Trayodaśī runs from 14:38 on Tue 19 Jul to 15:53 on Wed 20 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-07-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-21", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1199, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-07-21T16:32:34+08:00", "utc": "1910-07-21T08:32:34Z", "ms": -1876058845897.0251 }, "end": { "local": "1910-07-22T16:36:40+08:00", "utc": "1910-07-22T08:36:40Z", "ms": -1875972200461.3726 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-21T16:32:34+08:00", "utc": "1910-07-21T08:32:34Z", "ms": -1876058845897.0251 }, "end": { "local": "1910-07-22T16:36:40+08:00", "utc": "1910-07-22T08:36:40Z", "ms": -1875972200461.3726 } }, "kaala": "sayahna", "days": [ { "local_date": "1910-07-21", "window": { "start": { "local": "1910-07-21T16:12:35+08:00", "utc": "1910-07-21T08:12:35Z", "ms": -1876060044582.5325 }, "end": { "local": "1910-07-21T18:55:07+08:00", "utc": "1910-07-21T10:55:07Z", "ms": -1876050292618.0315 } }, "covered_min": 143, "window_min": 163, "qualifies": true }, { "local_date": "1910-07-22", "window": { "start": { "local": "1910-07-22T16:12:23+08:00", "utc": "1910-07-22T08:12:23Z", "ms": -1875973657485.592 }, "end": { "local": "1910-07-22T18:54:44+08:00", "utc": "1910-07-22T10:54:44Z", "ms": -1875963916106.9143 } }, "covered_min": 24, "window_min": 162, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:33 on Thu 21 Jul to 16:37 on Fri 22 Jul.", "fact": "1910-07-21T08:32:34Z → 1910-07-22T08:36:40Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:55 on the 21st, 16:12–18:55 on the 22nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 143 of 163 minutes on the 21st and 24 of 162 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1199 s" }, { "step": "ruling", "text": "Kokilā Vrata, Fuzhou, 1910: Thursday 21 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-21", "confidence": "boundary" } ], "quote": "In Fuzhou, Kokilā Vrata 1910 falls on Thursday 21 July. Pūrṇimā runs from 16:33 on Thu 21 Jul to 16:37 on Fri 22 Jul and covers 143 of 163 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 24 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8284, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-07-21T16:32:34+08:00", "utc": "1910-07-21T08:32:34Z", "ms": -1876058845897.0251 }, "end": { "local": "1910-07-22T16:36:40+08:00", "utc": "1910-07-22T08:36:40Z", "ms": -1875972200461.3726 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-21T16:32:34+08:00", "utc": "1910-07-21T08:32:34Z", "ms": -1876058845897.0251 }, "end": { "local": "1910-07-22T16:36:40+08:00", "utc": "1910-07-22T08:36:40Z", "ms": -1875972200461.3726 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-07-21", "window": { "start": { "local": "1910-07-21T18:55:07+08:00", "utc": "1910-07-21T10:55:07Z", "ms": -1876050292618.0315 }, "end": { "local": "1910-07-21T20:18:50+08:00", "utc": "1910-07-21T12:18:50Z", "ms": -1876045270002.3342 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1910-07-22", "window": { "start": { "local": "1910-07-22T18:54:44+08:00", "utc": "1910-07-22T10:54:44Z", "ms": -1875963916106.9143 }, "end": { "local": "1910-07-22T20:18:34+08:00", "utc": "1910-07-22T12:18:34Z", "ms": -1875958886414.068 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:33 on Thu 21 Jul to 16:37 on Fri 22 Jul.", "fact": "1910-07-21T08:32:34Z → 1910-07-22T08:36:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:19 on the 21st, 18:55–20:19 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 84 of 84 minutes on the 21st and 0 of 84 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8284 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Fuzhou, 1910: Thursday 21 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shiva-shayanotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Śiva Śayanotsava 1910 falls on Thursday 21 July. Pūrṇimā runs from 16:33 on Thu 21 Jul to 16:37 on Fri 22 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30455, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-07-21T16:32:34+08:00", "utc": "1910-07-21T08:32:34Z", "ms": -1876058845897.0251 }, "end": { "local": "1910-07-22T16:36:40+08:00", "utc": "1910-07-22T08:36:40Z", "ms": -1875972200461.3726 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-21T16:32:34+08:00", "utc": "1910-07-21T08:32:34Z", "ms": -1876058845897.0251 }, "end": { "local": "1910-07-22T16:36:40+08:00", "utc": "1910-07-22T08:36:40Z", "ms": -1875972200461.3726 } }, "kaala": "udaya-3", "days": [ { "local_date": "1910-07-21", "window": { "start": { "local": "1910-07-21T05:22:28+08:00", "utc": "1910-07-20T21:22:28Z", "ms": -1876099052440.5366 }, "end": { "local": "1910-07-21T08:05:00+08:00", "utc": "1910-07-21T00:05:00Z", "ms": -1876089300476.0356 } }, "covered_min": 0, "window_min": 163, "qualifies": false }, { "local_date": "1910-07-22", "window": { "start": { "local": "1910-07-22T05:22:57+08:00", "utc": "1910-07-21T21:22:57Z", "ms": -1876012623000.3027 }, "end": { "local": "1910-07-22T08:05:18+08:00", "utc": "1910-07-22T00:05:18Z", "ms": -1876002881621.625 } }, "covered_min": 162, "window_min": 162, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:33 on Thu 21 Jul to 16:37 on Fri 22 Jul.", "fact": "1910-07-21T08:32:34Z → 1910-07-22T08:36:40Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:22–08:05 on the 21st, 05:23–08:05 on the 22nd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 163 minutes on the 21st and 162 of 162 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30455 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Fuzhou, 1910: Friday 22 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Vyāsa Pūjā 1910 falls on Friday 22 July. Pūrṇimā runs from 16:33 on Thu 21 Jul to 16:37 on Fri 22 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14387, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-07-21T16:32:34+08:00", "utc": "1910-07-21T08:32:34Z", "ms": -1876058845897.0251 }, "end": { "local": "1910-07-22T16:36:40+08:00", "utc": "1910-07-22T08:36:40Z", "ms": -1875972200461.3726 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1910-07-21T16:32:34+08:00", "utc": "1910-07-21T08:32:34Z", "ms": -1876058845897.0251 }, "end": { "local": "1910-07-22T16:36:40+08:00", "utc": "1910-07-22T08:36:40Z", "ms": -1875972200461.3726 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-07-21", "window": { "start": { "local": "1910-07-21T11:44:47+08:00", "utc": "1910-07-21T03:44:47Z", "ms": -1876076112529.2842 }, "end": { "local": "1910-07-21T12:32:47+08:00", "utc": "1910-07-21T04:32:47Z", "ms": -1876073232529.2842 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-07-22", "window": { "start": { "local": "1910-07-22T11:44:50+08:00", "utc": "1910-07-22T03:44:50Z", "ms": -1875989709553.6084 }, "end": { "local": "1910-07-22T12:32:50+08:00", "utc": "1910-07-22T04:32:50Z", "ms": -1875986829553.6084 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:33 on Thu 21 Jul to 16:37 on Fri 22 Jul.", "fact": "1910-07-21T08:32:34Z → 1910-07-22T08:36:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 21st, 11:45–12:33 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14387 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Fuzhou, 1910: Friday 22 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": "1910-07-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Guru Pūrṇimā 1910 falls on Friday 22 July. Pūrṇimā runs from 16:33 on Thu 21 Jul to 16:37 on Fri 22 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13793, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1910-07-23T16:08:44+08:00", "utc": "1910-07-23T08:08:44Z", "ms": -1875887475610.4329 }, "end": { "local": "1910-07-24T15:13:35+08:00", "utc": "1910-07-24T07:13:35Z", "ms": -1875804385489.3403 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-07-23T16:08:44+08:00", "utc": "1910-07-23T08:08:44Z", "ms": -1875887475610.4329 }, "end": { "local": "1910-07-24T15:13:35+08:00", "utc": "1910-07-24T07:13:35Z", "ms": -1875804385489.3403 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-07-23", "window": { "start": { "local": "1910-07-23T19:58:38+08:00", "utc": "1910-07-23T11:58:38Z", "ms": -1875873682278.9783 }, "end": { "local": "1910-07-23T19:58:38+08:00", "utc": "1910-07-23T11:58:38Z", "ms": -1875873682278.9783 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-07-24", "window": { "start": { "local": "1910-07-24T20:40:18+08:00", "utc": "1910-07-24T12:40:18Z", "ms": -1875784781830.9368 }, "end": { "local": "1910-07-24T20:40:18+08:00", "utc": "1910-07-24T12:40:18Z", "ms": -1875784781830.9368 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 16:09 on Sat 23 Jul to 15:14 on Sun 24 Jul.", "fact": "1910-07-23T08:08:44Z → 1910-07-24T07:13:35Z" }, { "step": "kaala", "text": "Moonrise is at 19:59 on the 23rd and 20:40 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13793 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 1910: Saturday 23 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata-ashadha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunya sayana vrata (candrodaya vyapini; purvahna vyapini and purvaviddha in Bengal)." } ], "not_evaluated": "In Bengal the row reads pūrvāhṇa and pūrvaviddha; that reading is not applied.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 1910 falls on Saturday 23 July. Dvitīyā runs from 16:09 on Sat 23 Jul to 15:14 on Sun 24 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-07-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26516, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-07-25T13:56:27+08:00", "utc": "1910-07-25T05:56:27Z", "ms": -1875722613278.6387 }, "end": { "local": "1910-07-26T12:22:25+08:00", "utc": "1910-07-26T04:22:25Z", "ms": -1875641855364.5398 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-07-25T13:56:27+08:00", "utc": "1910-07-25T05:56:27Z", "ms": -1875722613278.6387 }, "end": { "local": "1910-07-26T12:22:25+08:00", "utc": "1910-07-26T04:22:25Z", "ms": -1875641855364.5398 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-07-25", "window": { "start": { "local": "1910-07-25T21:18:23+08:00", "utc": "1910-07-25T13:18:23Z", "ms": -1875696097187.6887 }, "end": { "local": "1910-07-25T21:18:23+08:00", "utc": "1910-07-25T13:18:23Z", "ms": -1875696097187.6887 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-07-26", "window": { "start": { "local": "1910-07-26T21:54:05+08:00", "utc": "1910-07-26T13:54:05Z", "ms": -1875607555399.917 }, "end": { "local": "1910-07-26T21:54:05+08:00", "utc": "1910-07-26T13:54:05Z", "ms": -1875607555399.917 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:56 on Mon 25 Jul to 12:22 on Tue 26 Jul.", "fact": "1910-07-25T05:56:27Z → 1910-07-26T04:22:25Z" }, { "step": "kaala", "text": "Moonrise is at 21:18 on the 25th and 21:54 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26516 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Monday 25 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-07-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Monday 25 July. Caturthī runs from 13:56 on Mon 25 Jul to 12:22 on Tue 26 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-07-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-08-01", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19297, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-08-01T00:06:20+08:00", "utc": "1910-07-31T16:06:20Z", "ms": -1875167620272.0562 }, "end": { "local": "1910-08-01T21:54:04+08:00", "utc": "1910-08-01T13:54:04Z", "ms": -1875089155781.2927 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-01T00:06:20+08:00", "utc": "1910-07-31T16:06:20Z", "ms": -1875167620272.0562 }, "end": { "local": "1910-08-01T21:54:04+08:00", "utc": "1910-08-01T13:54:04Z", "ms": -1875089155781.2927 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-08-01", "window": { "start": { "local": "1910-08-01T05:27:57+08:00", "utc": "1910-07-31T21:27:57Z", "ms": -1875148323283.636 }, "end": { "local": "1910-08-01T05:27:57+08:00", "utc": "1910-07-31T21:27:57Z", "ms": -1875148323283.636 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-08-02", "window": { "start": { "local": "1910-08-02T05:28:27+08:00", "utc": "1910-08-01T21:28:27Z", "ms": -1875061893160.2087 }, "end": { "local": "1910-08-02T05:28:27+08:00", "utc": "1910-08-01T21:28:27Z", "ms": -1875061893160.2087 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:06 on Mon 1 Aug to 21:54 on Mon 1 Aug.", "fact": "1910-07-31T16:06:20Z → 1910-08-01T13:54:04Z" }, { "step": "kaala", "text": "Sunrise is at 05:28 on the 1st and 05:28 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 19297 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Fuzhou, 1910: Monday 1 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmikā Ekādaśī 1910 falls on Monday 1 August. Ekādaśī runs from 00:06 on Mon 1 Aug to 21:54 on Mon 1 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-08-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-08-02", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1715, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-08-02T19:45:48+08:00", "utc": "1910-08-02T11:45:48Z", "ms": -1875010451744.9324 }, "end": { "local": "1910-08-03T17:46:11+08:00", "utc": "1910-08-03T09:46:11Z", "ms": -1874931229393.6924 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-02T19:45:48+08:00", "utc": "1910-08-02T11:45:48Z", "ms": -1875010451744.9324 }, "end": { "local": "1910-08-03T17:46:11+08:00", "utc": "1910-08-03T09:46:11Z", "ms": -1874931229393.6924 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-08-02", "window": { "start": { "local": "1910-08-02T18:49:05+08:00", "utc": "1910-08-02T10:49:05Z", "ms": -1875013855393.8765 }, "end": { "local": "1910-08-02T20:14:24+08:00", "utc": "1910-08-02T12:14:24Z", "ms": -1875008736419.0693 } }, "covered_min": 29, "window_min": 85, "qualifies": true }, { "local_date": "1910-08-03", "window": { "start": { "local": "1910-08-03T18:48:27+08:00", "utc": "1910-08-03T10:48:27Z", "ms": -1874927493258.5063 }, "end": { "local": "1910-08-03T20:13:55+08:00", "utc": "1910-08-03T12:13:55Z", "ms": -1874922365233.5217 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:46 on Tue 2 Aug to 17:46 on Wed 3 Aug.", "fact": "1910-08-02T11:45:48Z → 1910-08-03T09:46:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:14 on the 2nd, 18:48–20:14 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 29 of 85 minutes on the 2nd and 0 of 85 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 1715 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Tuesday 2 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Tuesday 2 August. Trayodaśī runs from 19:46 on Tue 2 Aug to 17:46 on Wed 3 Aug and covers 29 of 85 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-08-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-08-03", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21526, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-08-03T17:46:11+08:00", "utc": "1910-08-03T09:46:11Z", "ms": -1874931229393.6924 }, "end": { "local": "1910-08-04T16:00:58+08:00", "utc": "1910-08-04T08:00:58Z", "ms": -1874851142214.085 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-03T17:46:11+08:00", "utc": "1910-08-03T09:46:11Z", "ms": -1874931229393.6924 }, "end": { "local": "1910-08-04T16:00:58+08:00", "utc": "1910-08-04T08:00:58Z", "ms": -1874851142214.085 } }, "kaala": "nishita", "days": [ { "local_date": "1910-08-03", "window": { "start": { "local": "1910-08-03T23:44:57+08:00", "utc": "1910-08-03T15:44:57Z", "ms": -1874909703164.8142 }, "end": { "local": "1910-08-04T00:32:57+08:00", "utc": "1910-08-03T16:32:57Z", "ms": -1874906823164.8142 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-08-04", "window": { "start": { "local": "1910-08-04T23:44:52+08:00", "utc": "1910-08-04T15:44:52Z", "ms": -1874823307691.522 }, "end": { "local": "1910-08-05T00:32:52+08:00", "utc": "1910-08-04T16:32:52Z", "ms": -1874820427691.522 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:46 on Wed 3 Aug to 16:01 on Thu 4 Aug.", "fact": "1910-08-03T09:46:11Z → 1910-08-04T08:00:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 3rd, 23:45–00:33 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21526 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Wednesday 3 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Wednesday 3 August. Caturdaśī runs from 17:46 on Wed 3 Aug to 16:01 on Thu 4 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-08-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2751, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1910-08-07T13:18:12+08:00", "utc": "1910-08-07T05:18:12Z", "ms": -1874601708409.677 }, "end": { "local": "1910-08-08T13:34:51+08:00", "utc": "1910-08-08T05:34:51Z", "ms": -1874514308758.5686 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-07T13:18:12+08:00", "utc": "1910-08-07T05:18:12Z", "ms": -1874601708409.677 }, "end": { "local": "1910-08-08T13:34:51+08:00", "utc": "1910-08-08T05:34:51Z", "ms": -1874514308758.5686 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-08-07", "window": { "start": { "local": "1910-08-07T11:44:20+08:00", "utc": "1910-08-07T03:44:20Z", "ms": -1874607339680.7432 }, "end": { "local": "1910-08-07T12:32:20+08:00", "utc": "1910-08-07T04:32:20Z", "ms": -1874604459680.7432 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-08-08", "window": { "start": { "local": "1910-08-08T11:44:13+08:00", "utc": "1910-08-08T03:44:13Z", "ms": -1874520946551.2466 }, "end": { "local": "1910-08-08T12:32:13+08:00", "utc": "1910-08-08T04:32:13Z", "ms": -1874518066551.2466 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:18 on Sun 7 Aug to 13:35 on Mon 8 Aug.", "fact": "1910-08-07T05:18:12Z → 1910-08-08T05:34:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 7th, 11:44–12:32 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā 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 2751 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Fuzhou, 1910: Monday 8 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "madhusrava-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Madhusrava (Gujerat) (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 1910 falls on Monday 8 August. Tṛtīyā runs from 13:18 on Sun 7 Aug to 13:35 on Mon 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vinayaka-chaturthi?on=1910-08-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3758, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-08-08T13:34:51+08:00", "utc": "1910-08-08T05:34:51Z", "ms": -1874514308758.5686 }, "end": { "local": "1910-08-09T14:32:16+08:00", "utc": "1910-08-09T06:32:16Z", "ms": -1874424463787.33 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-08T13:34:51+08:00", "utc": "1910-08-08T05:34:51Z", "ms": -1874514308758.5686 }, "end": { "local": "1910-08-09T14:32:16+08:00", "utc": "1910-08-09T06:32:16Z", "ms": -1874424463787.33 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-08-08", "window": { "start": { "local": "1910-08-08T11:44:13+08:00", "utc": "1910-08-08T03:44:13Z", "ms": -1874520946551.2466 }, "end": { "local": "1910-08-08T12:32:13+08:00", "utc": "1910-08-08T04:32:13Z", "ms": -1874518066551.2466 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-08-09", "window": { "start": { "local": "1910-08-09T11:44:06+08:00", "utc": "1910-08-09T03:44:06Z", "ms": -1874434554018.1296 }, "end": { "local": "1910-08-09T12:32:06+08:00", "utc": "1910-08-09T04:32:06Z", "ms": -1874431674018.1296 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:35 on Mon 8 Aug to 14:32 on Tue 9 Aug.", "fact": "1910-08-08T05:34:51Z → 1910-08-09T06:32:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 8th, 11:44–12:32 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3758 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Tuesday 9 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Tuesday 9 August. Caturthī runs from 13:35 on Mon 8 Aug to 14:32 on Tue 9 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-08-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7210, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1910-08-09T14:32:16+08:00", "utc": "1910-08-09T06:32:16Z", "ms": -1874424463787.33 }, "end": { "local": "1910-08-10T16:08:19+08:00", "utc": "1910-08-10T08:08:19Z", "ms": -1874332300575.802 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-09T14:32:16+08:00", "utc": "1910-08-09T06:32:16Z", "ms": -1874424463787.33 }, "end": { "local": "1910-08-10T16:08:19+08:00", "utc": "1910-08-10T08:08:19Z", "ms": -1874332300575.802 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-08-09", "window": { "start": { "local": "1910-08-09T11:44:06+08:00", "utc": "1910-08-09T03:44:06Z", "ms": -1874434554018.1296 }, "end": { "local": "1910-08-09T12:32:06+08:00", "utc": "1910-08-09T04:32:06Z", "ms": -1874431674018.1296 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-08-10", "window": { "start": { "local": "1910-08-10T11:43:58+08:00", "utc": "1910-08-10T03:43:58Z", "ms": -1874348162078.5156 }, "end": { "local": "1910-08-10T12:31:58+08:00", "utc": "1910-08-10T04:31:58Z", "ms": -1874345282078.5156 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:32 on Tue 9 Aug to 16:08 on Wed 10 Aug.", "fact": "1910-08-09T06:32:16Z → 1910-08-10T08:08:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 9th, 11:44–12:32 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7210 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Fuzhou, 1910: Wednesday 10 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naga-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Naga pancami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī 1910 falls on Wednesday 10 August. Pañcamī runs from 14:32 on Tue 9 Aug to 16:08 on Wed 10 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-08-16", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2556, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-08-16T03:34:02+08:00", "utc": "1910-08-15T19:34:02Z", "ms": -1873859157808.4023 }, "end": { "local": "1910-08-17T04:53:08+08:00", "utc": "1910-08-16T20:53:08Z", "ms": -1873768012151.8486 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-16T03:34:02+08:00", "utc": "1910-08-15T19:34:02Z", "ms": -1873859157808.4023 }, "end": { "local": "1910-08-17T04:53:08+08:00", "utc": "1910-08-16T20:53:08Z", "ms": -1873768012151.8486 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-08-16", "window": { "start": { "local": "1910-08-16T05:35:16+08:00", "utc": "1910-08-15T21:35:16Z", "ms": -1873851883685.137 }, "end": { "local": "1910-08-16T05:35:16+08:00", "utc": "1910-08-15T21:35:16Z", "ms": -1873851883685.137 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-08-17", "window": { "start": { "local": "1910-08-17T05:35:44+08:00", "utc": "1910-08-16T21:35:44Z", "ms": -1873765455768.374 }, "end": { "local": "1910-08-17T05:35:44+08:00", "utc": "1910-08-16T21:35:44Z", "ms": -1873765455768.374 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:34 on Tue 16 Aug to 04:53 on Wed 17 Aug.", "fact": "1910-08-15T19:34:02Z → 1910-08-16T20:53:08Z" }, { "step": "kaala", "text": "Sunrise is at 05:35 on the 16th and 05:36 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2556 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 1910: Tuesday 16 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 1910 falls on Tuesday 16 August. Ekādaśī runs from 03:34 on Tue 16 Aug to 04:53 on Wed 17 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-08-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22367, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1910-08-17T04:53:08+08:00", "utc": "1910-08-16T20:53:08Z", "ms": -1873768012151.8486 }, "end": { "local": "1910-08-18T05:29:45+08:00", "utc": "1910-08-17T21:29:45Z", "ms": -1873679414558.696 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-17T04:53:08+08:00", "utc": "1910-08-16T20:53:08Z", "ms": -1873768012151.8486 }, "end": { "local": "1910-08-18T05:29:45+08:00", "utc": "1910-08-17T21:29:45Z", "ms": -1873679414558.696 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-08-17", "window": { "start": { "local": "1910-08-17T11:42:45+08:00", "utc": "1910-08-17T03:42:45Z", "ms": -1873743434615.6982 }, "end": { "local": "1910-08-17T12:30:45+08:00", "utc": "1910-08-17T04:30:45Z", "ms": -1873740554615.6982 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-08-18", "window": { "start": { "local": "1910-08-18T11:42:33+08:00", "utc": "1910-08-18T03:42:33Z", "ms": -1873657047174.5986 }, "end": { "local": "1910-08-18T12:30:33+08:00", "utc": "1910-08-18T04:30:33Z", "ms": -1873654167174.5986 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 04:53 on Wed 17 Aug to 05:30 on Thu 18 Aug.", "fact": "1910-08-16T20:53:08Z → 1910-08-17T21:29:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 17th, 11:43–12:31 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 22367 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Fuzhou, 1910: Wednesday 17 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "damodara-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Dāmodara Dvādaśī 1910 falls on Wednesday 17 August. Dvādaśī runs from 04:53 on Wed 17 Aug to 05:30 on Thu 18 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pradosha-vrata?on=1910-08-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33485, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-08-18T05:29:45+08:00", "utc": "1910-08-17T21:29:45Z", "ms": -1873679414558.696 }, "end": { "local": "1910-08-19T05:22:56+08:00", "utc": "1910-08-18T21:22:56Z", "ms": -1873593423538.4053 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-18T05:29:45+08:00", "utc": "1910-08-17T21:29:45Z", "ms": -1873679414558.696 }, "end": { "local": "1910-08-19T05:22:56+08:00", "utc": "1910-08-18T21:22:56Z", "ms": -1873593423538.4053 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-08-17", "window": { "start": { "local": "1910-08-17T18:37:47+08:00", "utc": "1910-08-17T10:37:47Z", "ms": -1873718533463.0225 }, "end": { "local": "1910-08-17T20:05:34+08:00", "utc": "1910-08-17T12:05:34Z", "ms": -1873713266075.58 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "1910-08-18", "window": { "start": { "local": "1910-08-18T18:36:54+08:00", "utc": "1910-08-18T10:36:54Z", "ms": -1873632186291.9924 }, "end": { "local": "1910-08-18T20:04:52+08:00", "utc": "1910-08-18T12:04:52Z", "ms": -1873626908193.149 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:30 on Thu 18 Aug to 05:23 on Fri 19 Aug.", "fact": "1910-08-17T21:29:45Z → 1910-08-18T21:22:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:06 on the 17th, 18:37–20:05 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 17th and 88 of 88 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33485 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Thursday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Thursday 18 August. Trayodaśī runs from 05:30 on Thu 18 Aug to 05:23 on Fri 19 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-08-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8625, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-08-20T04:35:42+08:00", "utc": "1910-08-19T20:35:42Z", "ms": -1873509858164.0803 }, "end": { "local": "1910-08-21T03:13:49+08:00", "utc": "1910-08-20T19:13:49Z", "ms": -1873428370984.5876 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1910-08-20T15:58:39+08:00", "utc": "1910-08-20T07:58:39Z", "ms": -1873468880980.258 }, "end": { "local": "1910-08-21T03:13:49+08:00", "utc": "1910-08-20T19:13:49Z", "ms": -1873428370984.5876 } }, "kaala": "day", "days": [ { "local_date": "1910-08-20", "window": { "start": { "local": "1910-08-20T05:37:07+08:00", "utc": "1910-08-19T21:37:07Z", "ms": -1873506173246.166 }, "end": { "local": "1910-08-21T05:37:34+08:00", "utc": "1910-08-20T21:37:34Z", "ms": -1873419746139.4834 } }, "covered_min": 675, "window_min": 1440, "qualifies": true }, { "local_date": "1910-08-21", "window": { "start": { "local": "1910-08-21T05:37:34+08:00", "utc": "1910-08-20T21:37:34Z", "ms": -1873419746139.4834 }, "end": { "local": "1910-08-22T05:38:01+08:00", "utc": "1910-08-21T21:38:01Z", "ms": -1873333319224.879 } }, "covered_min": 0, "window_min": 1440, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:36 on Sat 20 Aug to 03:14 on Sun 21 Aug. Its second half begins at 15:59 on Sat 20 Aug.", "fact": "1910-08-19T20:35:42Z → 1910-08-20T19:13:49Z · second half from 1910-08-20T07:58:39Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:37 on the 20th, and from 05:38 on the 21st.", "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 675 of 1440 minutes on the 20th and 0 of 1440 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8625 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Fuzhou, 1910: Saturday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 1910 falls on Saturday 20 August. The second half of Pūrṇimā runs from 15:59 on Sat 20 Aug to 03:14 on Sun 21 Aug and lies within that day, sunrise to sunrise.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25584, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-08-20T04:35:42+08:00", "utc": "1910-08-19T20:35:42Z", "ms": -1873509858164.0803 }, "end": { "local": "1910-08-21T03:13:49+08:00", "utc": "1910-08-20T19:13:49Z", "ms": -1873428370984.5876 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1910-08-20T04:35:42+08:00", "utc": "1910-08-19T20:35:42Z", "ms": -1873509858164.0803 }, "end": { "local": "1910-08-21T03:13:49+08:00", "utc": "1910-08-20T19:13:49Z", "ms": -1873428370984.5876 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-08-20", "window": { "start": { "local": "1910-08-20T11:42:06+08:00", "utc": "1910-08-20T03:42:06Z", "ms": -1873484273821.8076 }, "end": { "local": "1910-08-20T12:30:06+08:00", "utc": "1910-08-20T04:30:06Z", "ms": -1873481393821.8076 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-08-21", "window": { "start": { "local": "1910-08-21T11:41:52+08:00", "utc": "1910-08-21T03:41:52Z", "ms": -1873397887880.587 }, "end": { "local": "1910-08-21T12:29:52+08:00", "utc": "1910-08-21T04:29:52Z", "ms": -1873395007880.587 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 04:36 on Sat 20 Aug to 03:14 on Sun 21 Aug.", "fact": "1910-08-19T20:35:42Z → 1910-08-20T19:13:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 20th, 11:42–12:30 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25584 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Fuzhou, 1910: Saturday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Tarpaṇa 1910 falls on Saturday 20 August. Pūrṇimā runs from 04:36 on Sat 20 Aug to 03:14 on Sun 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12174, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1910-08-22T01:24:40+08:00", "utc": "1910-08-21T17:24:40Z", "ms": -1873348520360.6042 }, "end": { "local": "1910-08-22T23:16:08+08:00", "utc": "1910-08-22T15:16:08Z", "ms": -1873269831875.3882 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-08-22T01:24:40+08:00", "utc": "1910-08-21T17:24:40Z", "ms": -1873348520360.6042 }, "end": { "local": "1910-08-22T23:16:08+08:00", "utc": "1910-08-22T15:16:08Z", "ms": -1873269831875.3882 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-08-21", "window": { "start": { "local": "1910-08-21T19:16:02+08:00", "utc": "1910-08-21T11:16:02Z", "ms": -1873370638375.521 }, "end": { "local": "1910-08-21T19:16:02+08:00", "utc": "1910-08-21T11:16:02Z", "ms": -1873370638375.521 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-08-22", "window": { "start": { "local": "1910-08-22T19:53:14+08:00", "utc": "1910-08-22T11:53:14Z", "ms": -1873282005770.6907 }, "end": { "local": "1910-08-22T19:53:14+08:00", "utc": "1910-08-22T11:53:14Z", "ms": -1873282005770.6907 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:25 on Mon 22 Aug to 23:16 on Mon 22 Aug.", "fact": "1910-08-21T17:24:40Z → 1910-08-22T15:16:08Z" }, { "step": "kaala", "text": "Moonrise is at 19:16 on the 21st and 19:53 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12174 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Fuzhou, 1910: Monday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata 1910 falls on Monday 22 August. Dvitīyā runs from 01:25 on Mon 22 Aug to 23:16 on Mon 22 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30391, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1910-08-22T23:16:08+08:00", "utc": "1910-08-22T15:16:08Z", "ms": -1873269831875.3882 }, "end": { "local": "1910-08-23T20:55:54+08:00", "utc": "1910-08-23T12:55:54Z", "ms": -1873191846112.936 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-08-22T23:16:08+08:00", "utc": "1910-08-22T15:16:08Z", "ms": -1873269831875.3882 }, "end": { "local": "1910-08-23T20:55:54+08:00", "utc": "1910-08-23T12:55:54Z", "ms": -1873191846112.936 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-08-22", "window": { "start": { "local": "1910-08-22T11:41:38+08:00", "utc": "1910-08-22T03:41:38Z", "ms": -1873311502408.231 }, "end": { "local": "1910-08-22T12:29:38+08:00", "utc": "1910-08-22T04:29:38Z", "ms": -1873308622408.231 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-08-23", "window": { "start": { "local": "1910-08-23T11:41:23+08:00", "utc": "1910-08-23T03:41:23Z", "ms": -1873225117387.9229 }, "end": { "local": "1910-08-23T12:29:23+08:00", "utc": "1910-08-23T04:29:23Z", "ms": -1873222237387.9229 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:16 on Mon 22 Aug to 20:56 on Tue 23 Aug.", "fact": "1910-08-22T15:16:08Z → 1910-08-23T12:55:54Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 22nd, 11:41–12:29 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30391 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Fuzhou, 1910: Tuesday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 1910 falls on Tuesday 23 August. Tṛtīyā runs from 23:16 on Mon 22 Aug to 20:56 on Tue 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-08-23", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-23", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1619, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-08-23T20:55:54+08:00", "utc": "1910-08-23T12:55:54Z", "ms": -1873191846112.936 }, "end": { "local": "1910-08-24T18:30:47+08:00", "utc": "1910-08-24T10:30:47Z", "ms": -1873114153459.3438 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-08-23T20:55:54+08:00", "utc": "1910-08-23T12:55:54Z", "ms": -1873191846112.936 }, "end": { "local": "1910-08-24T18:30:47+08:00", "utc": "1910-08-24T10:30:47Z", "ms": -1873114153459.3438 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-08-23", "window": { "start": { "local": "1910-08-23T20:28:55+08:00", "utc": "1910-08-23T12:28:55Z", "ms": -1873193464794.0532 }, "end": { "local": "1910-08-23T20:28:55+08:00", "utc": "1910-08-23T12:28:55Z", "ms": -1873193464794.0532 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-08-24", "window": { "start": { "local": "1910-08-24T21:04:31+08:00", "utc": "1910-08-24T13:04:31Z", "ms": -1873104929122.8958 }, "end": { "local": "1910-08-24T21:04:31+08:00", "utc": "1910-08-24T13:04:31Z", "ms": -1873104929122.8958 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:56 on Tue 23 Aug to 18:31 on Wed 24 Aug.", "fact": "1910-08-23T12:55:54Z → 1910-08-24T10:30:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:29 on the 23rd and 21:05 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is not on the 24th.", "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 1619 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Tuesday 23 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": "1910-08-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-23", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Tuesday 23 August. Caturthī runs from 20:56 on Tue 23 Aug to 18:31 on Wed 24 Aug, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-08-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-24", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 34, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-08-23T20:55:54+08:00", "utc": "1910-08-23T12:55:54Z", "ms": -1873191846112.936 }, "end": { "local": "1910-08-24T18:30:47+08:00", "utc": "1910-08-24T10:30:47Z", "ms": -1873114153459.3438 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-08-23T20:55:54+08:00", "utc": "1910-08-23T12:55:54Z", "ms": -1873191846112.936 }, "end": { "local": "1910-08-24T18:30:47+08:00", "utc": "1910-08-24T10:30:47Z", "ms": -1873114153459.3438 } }, "kaala": "sayahna", "days": [ { "local_date": "1910-08-23", "window": { "start": { "local": "1910-08-23T15:57:32+08:00", "utc": "1910-08-23T07:57:32Z", "ms": -1873209748323.453 }, "end": { "local": "1910-08-23T18:32:18+08:00", "utc": "1910-08-23T10:32:18Z", "ms": -1873200462280.4731 } }, "covered_min": 0, "window_min": 155, "qualifies": false }, { "local_date": "1910-08-24", "window": { "start": { "local": "1910-08-24T15:56:51+08:00", "utc": "1910-08-24T07:56:51Z", "ms": -1873123388918.0698 }, "end": { "local": "1910-08-24T18:31:20+08:00", "utc": "1910-08-24T10:31:20Z", "ms": -1873114119661.7917 } }, "covered_min": 154, "window_min": 154, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:56 on Tue 23 Aug to 18:31 on Wed 24 Aug.", "fact": "1910-08-23T12:55:54Z → 1910-08-24T10:30:47Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:32 on the 23rd, 15:57–18:31 on the 24th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 155 minutes on the 23rd and 154 of 154 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34 s < 300 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Fuzhou, 1910: Wednesday 24 August.", "fact": "confidence: boundary (margin)" } ], "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": "1910-08-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-24", "confidence": "boundary" } ], "quote": "In Fuzhou, Bahulā Caturthī 1910 falls on Wednesday 24 August. Caturthī runs from 20:56 on Tue 23 Aug to 18:31 on Wed 24 Aug and covers all of sāyāhna that late afternoon. It is 0 min 34 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4702, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1910-08-25T16:06:23+08:00", "utc": "1910-08-25T08:06:23Z", "ms": -1873036416854.6692 }, "end": { "local": "1910-08-26T13:46:58+08:00", "utc": "1910-08-26T05:46:58Z", "ms": -1872958382393.147 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-08-25T16:06:23+08:00", "utc": "1910-08-25T08:06:23Z", "ms": -1873036416854.6692 }, "end": { "local": "1910-08-26T13:46:58+08:00", "utc": "1910-08-26T05:46:58Z", "ms": -1872958382393.147 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-08-25", "window": { "start": { "local": "1910-08-25T11:40:51+08:00", "utc": "1910-08-25T03:40:51Z", "ms": -1873052348634.7485 }, "end": { "local": "1910-08-25T12:28:51+08:00", "utc": "1910-08-25T04:28:51Z", "ms": -1873049468634.7485 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-08-26", "window": { "start": { "local": "1910-08-26T11:40:35+08:00", "utc": "1910-08-26T03:40:35Z", "ms": -1872965964867.874 }, "end": { "local": "1910-08-26T12:28:35+08:00", "utc": "1910-08-26T04:28:35Z", "ms": -1872963084867.874 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:06 on Thu 25 Aug to 13:47 on Fri 26 Aug.", "fact": "1910-08-25T08:06:23Z → 1910-08-26T05:46:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 25th, 11:41–12:29 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4702 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Fuzhou, 1910: Friday 26 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": "1910-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Hala Ṣaṣṭhī 1910 falls on Friday 26 August. Ṣaṣṭhī runs from 16:06 on Thu 25 Aug to 13:47 on Fri 26 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32696, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-08-27T11:35:23+08:00", "utc": "1910-08-27T03:35:23Z", "ms": -1872879876937.487 }, "end": { "local": "1910-08-28T09:33:27+08:00", "utc": "1910-08-28T01:33:27Z", "ms": -1872800792564.2522 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-08-27T11:35:23+08:00", "utc": "1910-08-27T03:35:23Z", "ms": -1872879876937.487 }, "end": { "local": "1910-08-28T09:33:27+08:00", "utc": "1910-08-28T01:33:27Z", "ms": -1872800792564.2522 } }, "kaala": "nishita", "days": [ { "local_date": "1910-08-26", "window": { "start": { "local": "1910-08-26T23:40:48+08:00", "utc": "1910-08-26T15:40:48Z", "ms": -1872922751834.4424 }, "end": { "local": "1910-08-27T00:28:48+08:00", "utc": "1910-08-26T16:28:48Z", "ms": -1872919871834.4424 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-08-27", "window": { "start": { "local": "1910-08-27T23:40:31+08:00", "utc": "1910-08-27T15:40:31Z", "ms": -1872836368526.4185 }, "end": { "local": "1910-08-28T00:28:31+08:00", "utc": "1910-08-27T16:28:31Z", "ms": -1872833488526.4185 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 11:35 on Sat 27 Aug to 09:33 on Sun 28 Aug.", "fact": "1910-08-27T03:35:23Z → 1910-08-28T01:33:27Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 26th, 23:41–00:29 on the 27th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32696 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Fuzhou, 1910: Saturday 27 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Janmāṣṭamī 1910 falls on Saturday 27 August. Aṣṭamī runs from 11:35 on Sat 27 Aug to 09:33 on Sun 28 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-27", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 295, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1910-08-26T13:46:58+08:00", "utc": "1910-08-26T05:46:58Z", "ms": -1872958382393.147 }, "end": { "local": "1910-08-27T11:35:23+08:00", "utc": "1910-08-27T03:35:23Z", "ms": -1872879876937.487 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-08-26T13:46:58+08:00", "utc": "1910-08-26T05:46:58Z", "ms": -1872958382393.147 }, "end": { "local": "1910-08-27T11:35:23+08:00", "utc": "1910-08-27T03:35:23Z", "ms": -1872879876937.487 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-08-26", "window": { "start": { "local": "1910-08-26T11:40:35+08:00", "utc": "1910-08-26T03:40:35Z", "ms": -1872965964867.874 }, "end": { "local": "1910-08-26T12:28:35+08:00", "utc": "1910-08-26T04:28:35Z", "ms": -1872963084867.874 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-08-27", "window": { "start": { "local": "1910-08-27T11:40:19+08:00", "utc": "1910-08-27T03:40:19Z", "ms": -1872879581485.6514 }, "end": { "local": "1910-08-27T12:28:19+08:00", "utc": "1910-08-27T04:28:19Z", "ms": -1872876701485.6514 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:47 on Fri 26 Aug to 11:35 on Sat 27 Aug.", "fact": "1910-08-26T05:46:58Z → 1910-08-27T03:35:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 26th, 11:40–12:28 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 295 s < 300 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Fuzhou, 1910: Saturday 27 August.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalā Saptamī 1910 falls on Saturday 27 August. Saptamī runs from 13:47 on Fri 26 Aug to 11:35 on Sat 27 Aug, and reaches madhyāhna on neither day. It is 4 min 55 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-08-30", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1294, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-08-30T06:03:04+08:00", "utc": "1910-08-29T22:03:04Z", "ms": -1872640615520.001 }, "end": { "local": "1910-08-31T04:37:10+08:00", "utc": "1910-08-30T20:37:10Z", "ms": -1872559370408.073 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-08-30T06:03:04+08:00", "utc": "1910-08-29T22:03:04Z", "ms": -1872640615520.001 }, "end": { "local": "1910-08-31T04:37:10+08:00", "utc": "1910-08-30T20:37:10Z", "ms": -1872559370408.073 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-08-30", "window": { "start": { "local": "1910-08-30T05:41:30+08:00", "utc": "1910-08-29T21:41:30Z", "ms": -1872641909942.075 }, "end": { "local": "1910-08-30T05:41:30+08:00", "utc": "1910-08-29T21:41:30Z", "ms": -1872641909942.075 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-08-31", "window": { "start": { "local": "1910-08-31T05:41:56+08:00", "utc": "1910-08-30T21:41:56Z", "ms": -1872555484440.9653 }, "end": { "local": "1910-08-31T05:41:56+08:00", "utc": "1910-08-30T21:41:56Z", "ms": -1872555484440.9653 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:03 on Tue 30 Aug to 04:37 on Wed 31 Aug.", "fact": "1910-08-29T22:03:04Z → 1910-08-30T20:37:10Z" }, { "step": "kaala", "text": "Sunrise is at 05:42 on the 30th and 05:42 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not 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": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 1294 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Fuzhou, 1910: Tuesday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-08-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Ajā Ekādaśī 1910 falls on Tuesday 30 August. Ekādaśī runs from 06:03 on Tue 30 Aug to 04:37 on Wed 31 Aug, and is current at sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-08-30", "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/1910/pradosha-vrata?on=1910-09-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24092, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-09-01T03:26:53+08:00", "utc": "1910-08-31T19:26:53Z", "ms": -1872477187420.5146 }, "end": { "local": "1910-09-02T02:35:27+08:00", "utc": "1910-09-01T18:35:27Z", "ms": -1872393872962.0752 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-01T03:26:53+08:00", "utc": "1910-08-31T19:26:53Z", "ms": -1872477187420.5146 }, "end": { "local": "1910-09-02T02:35:27+08:00", "utc": "1910-09-01T18:35:27Z", "ms": -1872393872962.0752 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-08-31", "window": { "start": { "local": "1910-08-31T18:24:21+08:00", "utc": "1910-08-31T10:24:21Z", "ms": -1872509738572.236 }, "end": { "local": "1910-08-31T19:54:45+08:00", "utc": "1910-08-31T11:54:45Z", "ms": -1872504314638.818 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1910-09-01", "window": { "start": { "local": "1910-09-01T18:23:19+08:00", "utc": "1910-09-01T10:23:19Z", "ms": -1872423400590.671 }, "end": { "local": "1910-09-01T19:53:55+08:00", "utc": "1910-09-01T11:53:55Z", "ms": -1872417965022.6545 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:27 on Thu 1 Sep to 02:35 on Fri 2 Sep.", "fact": "1910-08-31T19:26:53Z → 1910-09-01T18:35:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:55 on the 31st, 18:23–19:54 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 31st and 91 of 91 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24092 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Thursday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Thursday 1 September. Trayodaśī runs from 03:27 on Thu 1 Sep to 02:35 on Fri 2 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-09-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22430, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-09-02T02:35:27+08:00", "utc": "1910-09-01T18:35:27Z", "ms": -1872393872962.0752 }, "end": { "local": "1910-09-03T02:06:54+08:00", "utc": "1910-09-02T18:06:54Z", "ms": -1872309186207.1624 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-02T02:35:27+08:00", "utc": "1910-09-01T18:35:27Z", "ms": -1872393872962.0752 }, "end": { "local": "1910-09-03T02:06:54+08:00", "utc": "1910-09-02T18:06:54Z", "ms": -1872309186207.1624 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-09-01", "window": { "start": { "local": "1910-09-01T18:23:19+08:00", "utc": "1910-09-01T10:23:19Z", "ms": -1872423400590.671 }, "end": { "local": "1910-09-01T19:53:55+08:00", "utc": "1910-09-01T11:53:55Z", "ms": -1872417965022.6545 } }, "covered_min": 0, "window_min": 91, "qualifies": false }, { "local_date": "1910-09-02", "window": { "start": { "local": "1910-09-02T18:22:17+08:00", "utc": "1910-09-02T10:22:17Z", "ms": -1872337063084.5251 }, "end": { "local": "1910-09-02T19:53:04+08:00", "utc": "1910-09-02T11:53:04Z", "ms": -1872331615835.1343 } }, "covered_min": 91, "window_min": 91, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:35 on Fri 2 Sep to 02:07 on Sat 3 Sep.", "fact": "1910-09-01T18:35:27Z → 1910-09-02T18:06:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:54 on the 1st, 18:22–19:53 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 1st and 91 of 91 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22430 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Fuzhou, 1910: Friday 2 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Aghora Caturdaśī 1910 falls on Friday 2 September. Caturdaśī runs from 02:35 on Fri 2 Sep to 02:07 on Sat 3 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/shivaratri?on=1910-09-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6010, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-09-02T02:35:27+08:00", "utc": "1910-09-01T18:35:27Z", "ms": -1872393872962.0752 }, "end": { "local": "1910-09-03T02:06:54+08:00", "utc": "1910-09-02T18:06:54Z", "ms": -1872309186207.1624 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-02T02:35:27+08:00", "utc": "1910-09-01T18:35:27Z", "ms": -1872393872962.0752 }, "end": { "local": "1910-09-03T02:06:54+08:00", "utc": "1910-09-02T18:06:54Z", "ms": -1872309186207.1624 } }, "kaala": "nishita", "days": [ { "local_date": "1910-09-01", "window": { "start": { "local": "1910-09-01T23:39:03+08:00", "utc": "1910-09-01T15:39:03Z", "ms": -1872404457210.6091 }, "end": { "local": "1910-09-02T00:27:03+08:00", "utc": "1910-09-01T16:27:03Z", "ms": -1872401577210.6091 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-09-02", "window": { "start": { "local": "1910-09-02T23:38:44+08:00", "utc": "1910-09-02T15:38:44Z", "ms": -1872318075899.3096 }, "end": { "local": "1910-09-03T00:26:44+08:00", "utc": "1910-09-02T16:26:44Z", "ms": -1872315195899.3096 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:35 on Fri 2 Sep to 02:07 on Sat 3 Sep.", "fact": "1910-09-01T18:35:27Z → 1910-09-02T18:06:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 1st, 23:39–00:27 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6010 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Friday 2 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": "1910-09-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Friday 2 September. Caturdaśī runs from 02:35 on Fri 2 Sep to 02:07 on Sat 3 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-09-02", "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/1910/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32533, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1910-09-04T02:05:33+08:00", "utc": "1910-09-03T18:05:33Z", "ms": -1872222866608.1638 }, "end": { "local": "1910-09-05T02:35:21+08:00", "utc": "1910-09-04T18:35:21Z", "ms": -1872134679025.8738 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-04T02:05:33+08:00", "utc": "1910-09-03T18:05:33Z", "ms": -1872222866608.1638 }, "end": { "local": "1910-09-05T02:35:21+08:00", "utc": "1910-09-04T18:35:21Z", "ms": -1872134679025.8738 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-09-04", "window": { "start": { "local": "1910-09-04T11:37:53+08:00", "utc": "1910-09-04T03:37:53Z", "ms": -1872188526564.1008 }, "end": { "local": "1910-09-04T12:25:53+08:00", "utc": "1910-09-04T04:25:53Z", "ms": -1872185646564.1008 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-09-05", "window": { "start": { "local": "1910-09-05T11:37:34+08:00", "utc": "1910-09-05T03:37:34Z", "ms": -1872102146017.3137 }, "end": { "local": "1910-09-05T12:25:34+08:00", "utc": "1910-09-05T04:25:34Z", "ms": -1872099266017.3137 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:06 on Sun 4 Sep to 02:35 on Mon 5 Sep.", "fact": "1910-09-03T18:05:33Z → 1910-09-04T18:35:21Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 4th, 11:38–12:26 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32533 s" }, { "step": "ruling", "text": "Rudra Vrata, Fuzhou, 1910: Sunday 4 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rudra-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Rudra vrata (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Rudra Vrata 1910 falls on Sunday 4 September. Pratipadā runs from 02:06 on Sun 4 Sep to 02:35 on Mon 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22871, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1910-09-06T03:38:46+08:00", "utc": "1910-09-05T19:38:46Z", "ms": -1872044474018.402 }, "end": { "local": "1910-09-07T05:15:43+08:00", "utc": "1910-09-06T21:15:43Z", "ms": -1871952257064.0112 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-06T03:38:46+08:00", "utc": "1910-09-05T19:38:46Z", "ms": -1872044474018.402 }, "end": { "local": "1910-09-07T05:15:43+08:00", "utc": "1910-09-06T21:15:43Z", "ms": -1871952257064.0112 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-09-06", "window": { "start": { "local": "1910-09-06T11:37:14+08:00", "utc": "1910-09-06T03:37:14Z", "ms": -1872015765718.2056 }, "end": { "local": "1910-09-06T12:25:14+08:00", "utc": "1910-09-06T04:25:14Z", "ms": -1872012885718.2056 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-09-07", "window": { "start": { "local": "1910-09-07T11:36:54+08:00", "utc": "1910-09-07T03:36:54Z", "ms": -1871929385651.7056 }, "end": { "local": "1910-09-07T12:24:54+08:00", "utc": "1910-09-07T04:24:54Z", "ms": -1871926505651.7056 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:39 on Tue 6 Sep to 05:16 on Wed 7 Sep.", "fact": "1910-09-05T19:38:46Z → 1910-09-06T21:15:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 6th, 11:37–12:25 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22871 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Fuzhou, 1910: Tuesday 6 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "haritalika-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 1910 falls on Tuesday 6 September. Tṛtīyā runs from 03:39 on Tue 6 Sep to 05:16 on Wed 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15248, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-09-07T05:15:43+08:00", "utc": "1910-09-06T21:15:43Z", "ms": -1871952257064.0112 }, "end": { "local": "1910-09-08T07:22:26+08:00", "utc": "1910-09-07T23:22:26Z", "ms": -1871858253632.6848 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-07T05:15:43+08:00", "utc": "1910-09-06T21:15:43Z", "ms": -1871952257064.0112 }, "end": { "local": "1910-09-08T07:22:26+08:00", "utc": "1910-09-07T23:22:26Z", "ms": -1871858253632.6848 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-09-07", "window": { "start": { "local": "1910-09-07T11:36:54+08:00", "utc": "1910-09-07T03:36:54Z", "ms": -1871929385651.7056 }, "end": { "local": "1910-09-07T12:24:54+08:00", "utc": "1910-09-07T04:24:54Z", "ms": -1871926505651.7056 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-09-08", "window": { "start": { "local": "1910-09-08T11:36:34+08:00", "utc": "1910-09-08T03:36:34Z", "ms": -1871843005801.9985 }, "end": { "local": "1910-09-08T12:24:34+08:00", "utc": "1910-09-08T04:24:34Z", "ms": -1871840125801.9985 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:16 on Wed 7 Sep to 07:22 on Thu 8 Sep.", "fact": "1910-09-06T21:15:43Z → 1910-09-07T23:22:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 7th, 11:37–12:25 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15248 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Fuzhou, 1910: Wednesday 7 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Caturthī 1910 falls on Wednesday 7 September. Caturthī runs from 05:16 on Wed 7 Sep to 07:22 on Thu 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6322, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1910-09-08T07:22:26+08:00", "utc": "1910-09-07T23:22:26Z", "ms": -1871858253632.6848 }, "end": { "local": "1910-09-09T09:50:51+08:00", "utc": "1910-09-09T01:50:51Z", "ms": -1871762948614.8086 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-08T07:22:26+08:00", "utc": "1910-09-07T23:22:26Z", "ms": -1871858253632.6848 }, "end": { "local": "1910-09-09T09:50:51+08:00", "utc": "1910-09-09T01:50:51Z", "ms": -1871762948614.8086 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-09-08", "window": { "start": { "local": "1910-09-08T11:36:34+08:00", "utc": "1910-09-08T03:36:34Z", "ms": -1871843005801.9985 }, "end": { "local": "1910-09-08T12:24:34+08:00", "utc": "1910-09-08T04:24:34Z", "ms": -1871840125801.9985 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-09-09", "window": { "start": { "local": "1910-09-09T11:36:14+08:00", "utc": "1910-09-09T03:36:14Z", "ms": -1871756626152.637 }, "end": { "local": "1910-09-09T12:24:14+08:00", "utc": "1910-09-09T04:24:14Z", "ms": -1871753746152.637 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:22 on Thu 8 Sep to 09:51 on Fri 9 Sep.", "fact": "1910-09-07T23:22:26Z → 1910-09-09T01:50:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 8th, 11:36–12:24 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 6322 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Fuzhou, 1910: Thursday 8 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rishi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day" } ], "kaala": "madhyahna", "priority": "disputed", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Pañcamī 1910 falls on Thursday 8 September. Pañcamī runs from 07:22 on Thu 8 Sep to 09:51 on Fri 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-10", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 292, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1910-09-09T09:50:51+08:00", "utc": "1910-09-09T01:50:51Z", "ms": -1871762948614.8086 }, "end": { "local": "1910-09-10T12:28:45+08:00", "utc": "1910-09-10T04:28:45Z", "ms": -1871667074737.7827 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-09T09:50:51+08:00", "utc": "1910-09-09T01:50:51Z", "ms": -1871762948614.8086 }, "end": { "local": "1910-09-10T12:28:45+08:00", "utc": "1910-09-10T04:28:45Z", "ms": -1871667074737.7827 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-09-09", "window": { "start": { "local": "1910-09-09T11:36:14+08:00", "utc": "1910-09-09T03:36:14Z", "ms": -1871756626152.637 }, "end": { "local": "1910-09-09T12:24:14+08:00", "utc": "1910-09-09T04:24:14Z", "ms": -1871753746152.637 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-09-10", "window": { "start": { "local": "1910-09-10T11:35:53+08:00", "utc": "1910-09-10T03:35:53Z", "ms": -1871670246686.4902 }, "end": { "local": "1910-09-10T12:23:53+08:00", "utc": "1910-09-10T04:23:53Z", "ms": -1871667366686.4902 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:51 on Fri 9 Sep to 12:29 on Sat 10 Sep.", "fact": "1910-09-09T01:50:51Z → 1910-09-10T04:28:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 9th, 11:36–12:24 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 292 s < 300 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 1910: Saturday 10 September.", "fact": "confidence: boundary (margin)" } ], "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": "1910-09-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 1910 falls on Saturday 10 September. Ṣaṣṭhī runs from 09:51 on Fri 9 Sep to 12:29 on Sat 10 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 4 min 52 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-11", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 292, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1910-09-10T12:28:45+08:00", "utc": "1910-09-10T04:28:45Z", "ms": -1871667074737.7827 }, "end": { "local": "1910-09-11T15:01:06+08:00", "utc": "1910-09-11T07:01:06Z", "ms": -1871571533992.4634 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-10T12:28:45+08:00", "utc": "1910-09-10T04:28:45Z", "ms": -1871667074737.7827 }, "end": { "local": "1910-09-11T15:01:06+08:00", "utc": "1910-09-11T07:01:06Z", "ms": -1871571533992.4634 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-09-10", "window": { "start": { "local": "1910-09-10T11:35:53+08:00", "utc": "1910-09-10T03:35:53Z", "ms": -1871670246686.4902 }, "end": { "local": "1910-09-10T12:23:53+08:00", "utc": "1910-09-10T04:23:53Z", "ms": -1871667366686.4902 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-09-11", "window": { "start": { "local": "1910-09-11T11:35:33+08:00", "utc": "1910-09-11T03:35:33Z", "ms": -1871583867385.8005 }, "end": { "local": "1910-09-11T12:23:33+08:00", "utc": "1910-09-11T04:23:33Z", "ms": -1871580987385.8005 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:29 on Sat 10 Sep to 15:01 on Sun 11 Sep.", "fact": "1910-09-10T04:28:45Z → 1910-09-11T07:01:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 10th, 11:36–12:24 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 292 s < 300 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Fuzhou, 1910: Sunday 11 September.", "fact": "confidence: boundary (margin)" } ], "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": "1910-09-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Muktābharaṇa Vrata 1910 falls on Sunday 11 September. Saptamī runs from 12:29 on Sat 10 Sep to 15:01 on Sun 11 Sep and covers all of madhyāhna that midday. It is 4 min 52 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9453, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-09-11T15:01:06+08:00", "utc": "1910-09-11T07:01:06Z", "ms": -1871571533992.4634 }, "end": { "local": "1910-09-12T17:12:18+08:00", "utc": "1910-09-12T09:12:18Z", "ms": -1871477261605.571 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-11T15:01:06+08:00", "utc": "1910-09-11T07:01:06Z", "ms": -1871571533992.4634 }, "end": { "local": "1910-09-12T17:12:18+08:00", "utc": "1910-09-12T09:12:18Z", "ms": -1871477261605.571 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-09-11", "window": { "start": { "local": "1910-09-11T11:35:33+08:00", "utc": "1910-09-11T03:35:33Z", "ms": -1871583867385.8005 }, "end": { "local": "1910-09-11T12:23:33+08:00", "utc": "1910-09-11T04:23:33Z", "ms": -1871580987385.8005 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-09-12", "window": { "start": { "local": "1910-09-12T11:35:12+08:00", "utc": "1910-09-12T03:35:12Z", "ms": -1871497488231.9521 }, "end": { "local": "1910-09-12T12:23:12+08:00", "utc": "1910-09-12T04:23:12Z", "ms": -1871494608231.9521 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:01 on Sun 11 Sep to 17:12 on Mon 12 Sep.", "fact": "1910-09-11T07:01:06Z → 1910-09-12T09:12:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 11th, 11:35–12:23 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9453 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Fuzhou, 1910: Monday 12 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": "1910-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Rādhāṣṭamī 1910 falls on Monday 12 September. Aṣṭamī runs from 15:01 on Sun 11 Sep to 17:12 on Mon 12 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-09-15", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36226, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-09-14T19:41:06+08:00", "utc": "1910-09-14T11:41:06Z", "ms": -1871295533668.8394 }, "end": { "local": "1910-09-15T19:44:43+08:00", "utc": "1910-09-15T11:44:43Z", "ms": -1871208916685.0679 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-14T19:41:06+08:00", "utc": "1910-09-14T11:41:06Z", "ms": -1871295533668.8394 }, "end": { "local": "1910-09-15T19:44:43+08:00", "utc": "1910-09-15T11:44:43Z", "ms": -1871208916685.0679 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-09-15", "window": { "start": { "local": "1910-09-15T05:48:05+08:00", "utc": "1910-09-14T21:48:05Z", "ms": -1871259114707.6162 }, "end": { "local": "1910-09-15T05:48:05+08:00", "utc": "1910-09-14T21:48:05Z", "ms": -1871259114707.6162 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-09-16", "window": { "start": { "local": "1910-09-16T05:48:29+08:00", "utc": "1910-09-15T21:48:29Z", "ms": -1871172690535.2898 }, "end": { "local": "1910-09-16T05:48:29+08:00", "utc": "1910-09-15T21:48:29Z", "ms": -1871172690535.2898 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:41 on Wed 14 Sep to 19:45 on Thu 15 Sep.", "fact": "1910-09-14T11:41:06Z → 1910-09-15T11:44:43Z" }, { "step": "kaala", "text": "Sunrise is at 05:48 on the 15th and 05:48 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 36226 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Fuzhou, 1910: Thursday 15 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Parivartanī Ekādaśī 1910 falls on Thursday 15 September. Ekādaśī runs from 19:41 on Wed 14 Sep to 19:45 on Thu 15 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-09-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23895, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1910-09-15T19:44:43+08:00", "utc": "1910-09-15T11:44:43Z", "ms": -1871208916685.0679 }, "end": { "local": "1910-09-16T19:00:02+08:00", "utc": "1910-09-16T11:00:02Z", "ms": -1871125197504.1243 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-15T19:44:43+08:00", "utc": "1910-09-15T11:44:43Z", "ms": -1871208916685.0679 }, "end": { "local": "1910-09-16T19:00:02+08:00", "utc": "1910-09-16T11:00:02Z", "ms": -1871125197504.1243 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-09-15", "window": { "start": { "local": "1910-09-15T11:34:09+08:00", "utc": "1910-09-15T03:34:09Z", "ms": -1871238351460.9053 }, "end": { "local": "1910-09-15T12:22:09+08:00", "utc": "1910-09-15T04:22:09Z", "ms": -1871235471460.9053 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-09-16", "window": { "start": { "local": "1910-09-16T11:33:47+08:00", "utc": "1910-09-16T03:33:47Z", "ms": -1871151972699.13 }, "end": { "local": "1910-09-16T12:21:47+08:00", "utc": "1910-09-16T04:21:47Z", "ms": -1871149092699.13 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 19:45 on Thu 15 Sep to 19:00 on Fri 16 Sep.", "fact": "1910-09-15T11:44:43Z → 1910-09-16T11:00:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 15th, 11:34–12:22 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23895 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Fuzhou, 1910: Friday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vamana-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Vāmana Jayantī 1910 falls on Friday 16 September. Dvādaśī runs from 19:45 on Thu 15 Sep to 19:00 on Fri 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pradosha-vrata?on=1910-09-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2074, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-09-16T19:00:02+08:00", "utc": "1910-09-16T11:00:02Z", "ms": -1871125197504.1243 }, "end": { "local": "1910-09-17T17:31:24+08:00", "utc": "1910-09-17T09:31:24Z", "ms": -1871044116071.0002 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-16T19:00:02+08:00", "utc": "1910-09-16T11:00:02Z", "ms": -1871125197504.1243 }, "end": { "local": "1910-09-17T17:31:24+08:00", "utc": "1910-09-17T09:31:24Z", "ms": -1871044116071.0002 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-09-16", "window": { "start": { "local": "1910-09-16T18:07:05+08:00", "utc": "1910-09-16T10:07:05Z", "ms": -1871128374862.9697 }, "end": { "local": "1910-09-16T19:40:40+08:00", "utc": "1910-09-16T11:40:40Z", "ms": -1871122760395.1135 } }, "covered_min": 41, "window_min": 94, "qualifies": true }, { "local_date": "1910-09-17", "window": { "start": { "local": "1910-09-17T18:05:58+08:00", "utc": "1910-09-17T10:05:58Z", "ms": -1871042041610.8186 }, "end": { "local": "1910-09-17T19:39:45+08:00", "utc": "1910-09-17T11:39:45Z", "ms": -1871036415015.664 } }, "covered_min": 0, "window_min": 94, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:00 on Fri 16 Sep to 17:31 on Sat 17 Sep.", "fact": "1910-09-16T11:00:02Z → 1910-09-17T09:31:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:41 on the 16th, 18:06–19:40 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 41 of 94 minutes on the 16th and 0 of 94 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2074 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Friday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Friday 16 September. Trayodaśī runs from 19:00 on Fri 16 Sep to 17:31 on Sat 17 Sep and covers 41 of 94 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-09-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25768, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-09-17T17:31:24+08:00", "utc": "1910-09-17T09:31:24Z", "ms": -1871044116071.0002 }, "end": { "local": "1910-09-18T15:25:53+08:00", "utc": "1910-09-18T07:25:53Z", "ms": -1870965247276.3352 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1910-09-17T17:31:24+08:00", "utc": "1910-09-17T09:31:24Z", "ms": -1871044116071.0002 }, "end": { "local": "1910-09-18T15:25:53+08:00", "utc": "1910-09-18T07:25:53Z", "ms": -1870965247276.3352 } }, "kaala": "udaya-3", "days": [ { "local_date": "1910-09-17", "window": { "start": { "local": "1910-09-17T05:48:54+08:00", "utc": "1910-09-16T21:48:54Z", "ms": -1871086266354.0483 }, "end": { "local": "1910-09-17T08:16:19+08:00", "utc": "1910-09-17T00:16:19Z", "ms": -1871077421405.4023 } }, "covered_min": 0, "window_min": 147, "qualifies": false }, { "local_date": "1910-09-18", "window": { "start": { "local": "1910-09-18T05:49:18+08:00", "utc": "1910-09-17T21:49:18Z", "ms": -1870999842147.16 }, "end": { "local": "1910-09-18T08:16:25+08:00", "utc": "1910-09-18T00:16:25Z", "ms": -1870991015403.475 } }, "covered_min": 147, "window_min": 147, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:31 on Sat 17 Sep to 15:26 on Sun 18 Sep.", "fact": "1910-09-17T09:31:24Z → 1910-09-18T07:25:53Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:49–08:16 on the 17th, 05:49–08:16 on the 18th.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 147 minutes on the 17th and 147 of 147 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25768 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Fuzhou, 1910: Sunday 18 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananta-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)." } ], "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.", "kaala": "udaya-3", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Ananta Caturdaśī 1910 falls on Sunday 18 September. Caturdaśī runs from 17:31 on Sat 17 Sep to 15:26 on Sun 18 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-09-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16761, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-09-22T03:54:21+08:00", "utc": "1910-09-21T19:54:21Z", "ms": -1870661138686.6619 }, "end": { "local": "1910-09-23T00:58:01+08:00", "utc": "1910-09-22T16:58:01Z", "ms": -1870585318550.2112 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-09-22T03:54:21+08:00", "utc": "1910-09-21T19:54:21Z", "ms": -1870661138686.6619 }, "end": { "local": "1910-09-23T00:58:01+08:00", "utc": "1910-09-22T16:58:01Z", "ms": -1870585318550.2112 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-09-21", "window": { "start": { "local": "1910-09-21T19:38:45+08:00", "utc": "1910-09-21T11:38:45Z", "ms": -1870690874961.2139 }, "end": { "local": "1910-09-21T19:38:45+08:00", "utc": "1910-09-21T11:38:45Z", "ms": -1870690874961.2139 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-09-22", "window": { "start": { "local": "1910-09-22T20:18:41+08:00", "utc": "1910-09-22T12:18:41Z", "ms": -1870602079397.5852 }, "end": { "local": "1910-09-22T20:18:41+08:00", "utc": "1910-09-22T12:18:41Z", "ms": -1870602079397.5852 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:54 on Thu 22 Sep to 00:58 on Fri 23 Sep.", "fact": "1910-09-21T19:54:21Z → 1910-09-22T16:58:01Z" }, { "step": "kaala", "text": "Moonrise is at 19:39 on the 21st and 20:19 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16761 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Thursday 22 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Thursday 22 September. Caturthī runs from 03:54 on Thu 22 Sep to 00:58 on Fri 23 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-09-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-23", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 4329, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1910-09-23T22:14:51+08:00", "utc": "1910-09-23T14:14:51Z", "ms": -1870508708792.0786 }, "end": { "local": "1910-09-24T19:49:49+08:00", "utc": "1910-09-24T11:49:49Z", "ms": -1870431010631.3606 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-09-23T22:14:51+08:00", "utc": "1910-09-23T14:14:51Z", "ms": -1870508708792.0786 }, "end": { "local": "1910-09-24T19:49:49+08:00", "utc": "1910-09-24T11:49:49Z", "ms": -1870431010631.3606 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-09-23", "window": { "start": { "local": "1910-09-23T21:02:42+08:00", "utc": "1910-09-23T13:02:42Z", "ms": -1870513037888.154 }, "end": { "local": "1910-09-23T21:02:42+08:00", "utc": "1910-09-23T13:02:42Z", "ms": -1870513037888.154 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-09-24", "window": { "start": { "local": "1910-09-24T21:52:00+08:00", "utc": "1910-09-24T13:52:00Z", "ms": -1870423680026.5576 }, "end": { "local": "1910-09-24T21:52:00+08:00", "utc": "1910-09-24T13:52:00Z", "ms": -1870423680026.5576 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:15 on Fri 23 Sep to 19:50 on Sat 24 Sep.", "fact": "1910-09-23T14:14:51Z → 1910-09-24T11:49:49Z" }, { "step": "kaala", "text": "Moonrise is at 21:03 on the 23rd and 21:52 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 23rd and is not on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 4329 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Fuzhou, 1910: Friday 23 September.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1910-09-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-23", "confidence": "boundary" } ], "quote": "In Fuzhou, Candra Ṣaṣṭhī 1910 falls on Friday 23 September. Ṣaṣṭhī runs from 22:15 on Fri 23 Sep to 19:50 on Sat 24 Sep, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 637, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-09-25T17:46:27+08:00", "utc": "1910-09-25T09:46:27Z", "ms": -1870352012794.103 }, "end": { "local": "1910-09-26T16:06:56+08:00", "utc": "1910-09-26T08:06:56Z", "ms": -1870271583950.1733 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-09-25T17:46:27+08:00", "utc": "1910-09-25T09:46:27Z", "ms": -1870352012794.103 }, "end": { "local": "1910-09-26T16:06:56+08:00", "utc": "1910-09-26T08:06:56Z", "ms": -1870271583950.1733 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-09-25", "window": { "start": { "local": "1910-09-25T17:57:04+08:00", "utc": "1910-09-25T09:57:04Z", "ms": -1870351375645.519 }, "end": { "local": "1910-09-25T19:32:28+08:00", "utc": "1910-09-25T11:32:28Z", "ms": -1870345651598.444 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1910-09-26", "window": { "start": { "local": "1910-09-26T17:55:58+08:00", "utc": "1910-09-26T09:55:58Z", "ms": -1870265041971.689 }, "end": { "local": "1910-09-26T19:31:34+08:00", "utc": "1910-09-26T11:31:34Z", "ms": -1870259305710.7578 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:46 on Sun 25 Sep to 16:07 on Mon 26 Sep.", "fact": "1910-09-25T09:46:27Z → 1910-09-26T08:06:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:32 on the 25th, 17:56–19:32 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 25th and 0 of 96 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 637 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Fuzhou, 1910: Sunday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 1910 falls on Sunday 25 September. Aṣṭamī runs from 17:46 on Sun 25 Sep to 16:07 on Mon 26 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18027, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-09-25T17:46:27+08:00", "utc": "1910-09-25T09:46:27Z", "ms": -1870352012794.103 }, "end": { "local": "1910-09-26T16:06:56+08:00", "utc": "1910-09-26T08:06:56Z", "ms": -1870271583950.1733 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-09-25T17:46:27+08:00", "utc": "1910-09-25T09:46:27Z", "ms": -1870352012794.103 }, "end": { "local": "1910-09-26T16:06:56+08:00", "utc": "1910-09-26T08:06:56Z", "ms": -1870271583950.1733 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-09-25", "window": { "start": { "local": "1910-09-25T22:46:54+08:00", "utc": "1910-09-25T14:46:54Z", "ms": -1870333985835.8452 }, "end": { "local": "1910-09-25T22:46:54+08:00", "utc": "1910-09-25T14:46:54Z", "ms": -1870333985835.8452 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-09-26", "window": { "start": { "local": "1910-09-26T23:46:27+08:00", "utc": "1910-09-26T15:46:27Z", "ms": -1870244013263.2527 }, "end": { "local": "1910-09-26T23:46:27+08:00", "utc": "1910-09-26T15:46:27Z", "ms": -1870244013263.2527 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:46 on Sun 25 Sep to 16:07 on Mon 26 Sep.", "fact": "1910-09-25T09:46:27Z → 1910-09-26T08:06:56Z" }, { "step": "kaala", "text": "Moonrise is at 22:47 on the 25th and 23:46 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18027 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 1910: Sunday 25 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 1910 falls on Sunday 25 September. Aṣṭamī runs from 17:46 on Sun 25 Sep to 16:07 on Mon 26 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-09-29", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27967, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-09-28T14:03:20+08:00", "utc": "1910-09-28T06:03:20Z", "ms": -1870106199886.2222 }, "end": { "local": "1910-09-29T13:39:58+08:00", "utc": "1910-09-29T05:39:58Z", "ms": -1870021201959.713 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-09-28T14:03:20+08:00", "utc": "1910-09-28T06:03:20Z", "ms": -1870106199886.2222 }, "end": { "local": "1910-09-29T13:39:58+08:00", "utc": "1910-09-29T05:39:58Z", "ms": -1870021201959.713 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-09-28", "window": { "start": { "local": "1910-09-28T05:53:25+08:00", "utc": "1910-09-27T21:53:25Z", "ms": -1870135594538.2925 }, "end": { "local": "1910-09-28T05:53:25+08:00", "utc": "1910-09-27T21:53:25Z", "ms": -1870135594538.2925 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-09-29", "window": { "start": { "local": "1910-09-29T05:53:51+08:00", "utc": "1910-09-28T21:53:51Z", "ms": -1870049168851.5352 }, "end": { "local": "1910-09-29T05:53:51+08:00", "utc": "1910-09-28T21:53:51Z", "ms": -1870049168851.5352 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:03 on Wed 28 Sep to 13:40 on Thu 29 Sep.", "fact": "1910-09-28T06:03:20Z → 1910-09-29T05:39:58Z" }, { "step": "kaala", "text": "Sunrise is at 05:53 on the 28th and 05:54 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27967 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Fuzhou, 1910: Thursday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Indirā Ekādaśī 1910 falls on Thursday 29 September. Ekādaśī runs from 14:03 on Wed 28 Sep to 13:40 on Thu 29 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-09-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-09-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13122, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-09-30T13:42:37+08:00", "utc": "1910-09-30T05:42:37Z", "ms": -1869934643154.5674 }, "end": { "local": "1910-10-01T14:11:48+08:00", "utc": "1910-10-01T06:11:48Z", "ms": -1869846492011.985 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-09-30T13:42:37+08:00", "utc": "1910-09-30T05:42:37Z", "ms": -1869934643154.5674 }, "end": { "local": "1910-10-01T14:11:48+08:00", "utc": "1910-10-01T06:11:48Z", "ms": -1869846492011.985 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-09-30", "window": { "start": { "local": "1910-09-30T17:51:35+08:00", "utc": "1910-09-30T09:51:35Z", "ms": -1869919705144.301 }, "end": { "local": "1910-09-30T19:28:00+08:00", "utc": "1910-09-30T11:28:00Z", "ms": -1869913920032.21 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1910-10-01", "window": { "start": { "local": "1910-10-01T17:50:30+08:00", "utc": "1910-10-01T09:50:30Z", "ms": -1869833370277.768 }, "end": { "local": "1910-10-01T19:27:07+08:00", "utc": "1910-10-01T11:27:07Z", "ms": -1869827572963.661 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:43 on Fri 30 Sep to 14:12 on Sat 1 Oct.", "fact": "1910-09-30T05:42:37Z → 1910-10-01T06:11:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:52–19:28 on the 30th, 17:50–19:27 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 96 of 96 minutes on the 30th and 0 of 97 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13122 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Friday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-09-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Friday 30 September. Trayodaśī runs from 13:43 on Fri 30 Sep to 14:12 on Sat 1 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-09-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-10-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30024, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-10-01T14:11:48+08:00", "utc": "1910-10-01T06:11:48Z", "ms": -1869846492011.985 }, "end": { "local": "1910-10-02T15:08:07+08:00", "utc": "1910-10-02T07:08:07Z", "ms": -1869756713176.9678 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-01T14:11:48+08:00", "utc": "1910-10-01T06:11:48Z", "ms": -1869846492011.985 }, "end": { "local": "1910-10-02T15:08:07+08:00", "utc": "1910-10-02T07:08:07Z", "ms": -1869756713176.9678 } }, "kaala": "nishita", "days": [ { "local_date": "1910-10-01", "window": { "start": { "local": "1910-10-01T23:28:50+08:00", "utc": "1910-10-01T15:28:50Z", "ms": -1869813070349.8662 }, "end": { "local": "1910-10-02T00:16:50+08:00", "utc": "1910-10-01T16:16:50Z", "ms": -1869810190349.8662 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-10-02", "window": { "start": { "local": "1910-10-02T23:28:31+08:00", "utc": "1910-10-02T15:28:31Z", "ms": -1869726689443.207 }, "end": { "local": "1910-10-03T00:16:31+08:00", "utc": "1910-10-02T16:16:31Z", "ms": -1869723809443.207 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:12 on Sat 1 Oct to 15:08 on Sun 2 Oct.", "fact": "1910-10-01T06:11:48Z → 1910-10-02T07:08:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:29–00:17 on the 1st, 23:29–00:17 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30024 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Saturday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Saturday 1 October. Caturdaśī runs from 14:12 on Sat 1 Oct to 15:08 on Sun 2 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-10-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-03", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1107, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1910-10-02T15:08:07+08:00", "utc": "1910-10-02T07:08:07Z", "ms": -1869756713176.9678 }, "end": { "local": "1910-10-03T16:31:46+08:00", "utc": "1910-10-03T08:31:46Z", "ms": -1869665293559.3284 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-02T15:08:07+08:00", "utc": "1910-10-02T07:08:07Z", "ms": -1869756713176.9678 }, "end": { "local": "1910-10-03T16:31:46+08:00", "utc": "1910-10-03T08:31:46Z", "ms": -1869665293559.3284 } }, "kaala": "aparahna", "days": [ { "local_date": "1910-10-02", "window": { "start": { "local": "1910-10-02T13:03:43+08:00", "utc": "1910-10-02T05:03:43Z", "ms": -1869764177227.3972 }, "end": { "local": "1910-10-02T15:26:34+08:00", "utc": "1910-10-02T07:26:34Z", "ms": -1869755606162.5417 } }, "covered_min": 18, "window_min": 143, "qualifies": true }, { "local_date": "1910-10-03", "window": { "start": { "local": "1910-10-03T13:03:15+08:00", "utc": "1910-10-03T05:03:15Z", "ms": -1869677805263.1116 }, "end": { "local": "1910-10-03T15:25:48+08:00", "utc": "1910-10-03T07:25:48Z", "ms": -1869669252421.2395 } }, "covered_min": 143, "window_min": 143, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 15:08 on Sun 2 Oct to 16:32 on Mon 3 Oct.", "fact": "1910-10-02T07:08:07Z → 1910-10-03T08:31:46Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:04–15:27 on the 2nd, 13:03–15:26 on the 3rd.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 18 of 143 minutes on the 2nd and 143 of 143 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1107 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Fuzhou, 1910: Monday 3 October.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-03", "confidence": "boundary" } ], "quote": "In Fuzhou, Mahālaya Amāvāsyā 1910 falls on Monday 3 October. Amāvasyā runs from 15:08 on Sun 2 Oct to 16:32 on Mon 3 Oct and covers all of aparāhṇa that afternoon. It also reaches the previous afternoon for 18 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/1910/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/1910/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15348, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1910-10-03T16:31:46+08:00", "utc": "1910-10-03T08:31:46Z", "ms": -1869665293559.3284 }, "end": { "local": "1910-10-04T18:21:56+08:00", "utc": "1910-10-04T10:21:56Z", "ms": -1869572283687.0652 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-03T16:31:46+08:00", "utc": "1910-10-03T08:31:46Z", "ms": -1869665293559.3284 }, "end": { "local": "1910-10-04T18:21:56+08:00", "utc": "1910-10-04T10:21:56Z", "ms": -1869572283687.0652 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-10-03", "window": { "start": { "local": "1910-10-03T11:27:58+08:00", "utc": "1910-10-03T03:27:58Z", "ms": -1869683521684.0479 }, "end": { "local": "1910-10-03T12:15:58+08:00", "utc": "1910-10-03T04:15:58Z", "ms": -1869680641684.0479 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-10-04", "window": { "start": { "local": "1910-10-04T11:27:40+08:00", "utc": "1910-10-04T03:27:40Z", "ms": -1869597140296.1802 }, "end": { "local": "1910-10-04T12:15:40+08:00", "utc": "1910-10-04T04:15:40Z", "ms": -1869594260296.1802 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 16:32 on Mon 3 Oct to 18:22 on Tue 4 Oct.", "fact": "1910-10-03T08:31:46Z → 1910-10-04T10:21:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 3rd, 11:28–12:16 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15348 s" }, { "step": "ruling", "text": "Navarātrārambha, Fuzhou, 1910: Tuesday 4 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Navratri) 1910 falls on Tuesday 4 October. Pratipadā runs from 16:32 on Mon 3 Oct to 18:22 on Tue 4 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vinayaka-chaturthi?on=1910-10-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34567, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-10-06T23:08:11+08:00", "utc": "1910-10-06T15:08:11Z", "ms": -1869382309221.0183 }, "end": { "local": "1910-10-08T01:50:22+08:00", "utc": "1910-10-07T17:50:22Z", "ms": -1869286178428.7126 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-06T23:08:11+08:00", "utc": "1910-10-06T15:08:11Z", "ms": -1869382309221.0183 }, "end": { "local": "1910-10-08T01:50:22+08:00", "utc": "1910-10-07T17:50:22Z", "ms": -1869286178428.7126 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-10-07", "window": { "start": { "local": "1910-10-07T11:26:46+08:00", "utc": "1910-10-07T03:26:46Z", "ms": -1869337994087.4478 }, "end": { "local": "1910-10-07T12:14:46+08:00", "utc": "1910-10-07T04:14:46Z", "ms": -1869335114087.4478 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-10-08", "window": { "start": { "local": "1910-10-08T11:26:29+08:00", "utc": "1910-10-08T03:26:29Z", "ms": -1869251611278.0522 }, "end": { "local": "1910-10-08T12:14:29+08:00", "utc": "1910-10-08T04:14:29Z", "ms": -1869248731278.0522 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:08 on Thu 6 Oct to 01:50 on Sat 8 Oct.", "fact": "1910-10-06T15:08:11Z → 1910-10-07T17:50:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 7th, 11:26–12:14 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34567 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Friday 7 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Friday 7 October. Caturthī runs from 23:08 on Thu 6 Oct to 01:50 on Sat 8 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-10-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 680, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1910-10-10T06:57:00+08:00", "utc": "1910-10-09T22:57:00Z", "ms": -1869094980390.1233 }, "end": { "local": "1910-10-11T08:54:56+08:00", "utc": "1910-10-11T00:54:56Z", "ms": -1869001503596.7324 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-10T06:57:00+08:00", "utc": "1910-10-09T22:57:00Z", "ms": -1869094980390.1233 }, "end": { "local": "1910-10-11T08:54:56+08:00", "utc": "1910-10-11T00:54:56Z", "ms": -1869001503596.7324 } }, "kaala": "udaya-1", "days": [ { "local_date": "1910-10-10", "window": { "start": { "local": "1910-10-10T05:58:50+08:00", "utc": "1910-10-09T21:58:50Z", "ms": -1869098469517.7178 }, "end": { "local": "1910-10-10T06:45:39+08:00", "utc": "1910-10-09T22:45:39Z", "ms": -1869095660841.1409 } }, "covered_min": 0, "window_min": 47, "qualifies": false }, { "local_date": "1910-10-11", "window": { "start": { "local": "1910-10-11T05:59:19+08:00", "utc": "1910-10-10T21:59:19Z", "ms": -1869012040532.6992 }, "end": { "local": "1910-10-11T06:46:02+08:00", "utc": "1910-10-10T22:46:02Z", "ms": -1869009237845.963 } }, "covered_min": 47, "window_min": 47, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 06:57 on Mon 10 Oct to 08:55 on Tue 11 Oct.", "fact": "1910-10-09T22:57:00Z → 1910-10-11T00:54:56Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:59–06:46 on the 10th, 05:59–06:46 on the 11th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 47 minutes on the 10th and 47 of 47 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 680 s" }, { "step": "ruling", "text": "Durgā Saptamī, Fuzhou, 1910: Tuesday 11 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": "1910-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Saptamī 1910 falls on Tuesday 11 October. Saptamī runs from 06:57 on Mon 10 Oct to 08:55 on Tue 11 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4314, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-10-11T08:54:56+08:00", "utc": "1910-10-11T00:54:56Z", "ms": -1869001503596.7324 }, "end": { "local": "1910-10-12T10:13:30+08:00", "utc": "1910-10-12T02:13:30Z", "ms": -1868910390055.6663 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-11T08:54:56+08:00", "utc": "1910-10-11T00:54:56Z", "ms": -1869001503596.7324 }, "end": { "local": "1910-10-12T10:13:30+08:00", "utc": "1910-10-12T02:13:30Z", "ms": -1868910390055.6663 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-10-11", "window": { "start": { "local": "1910-10-11T11:25:40+08:00", "utc": "1910-10-11T03:25:40Z", "ms": -1868992460382.1772 }, "end": { "local": "1910-10-11T12:13:40+08:00", "utc": "1910-10-11T04:13:40Z", "ms": -1868989580382.1772 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-10-12", "window": { "start": { "local": "1910-10-12T11:25:24+08:00", "utc": "1910-10-12T03:25:24Z", "ms": -1868906075867.4104 }, "end": { "local": "1910-10-12T12:13:24+08:00", "utc": "1910-10-12T04:13:24Z", "ms": -1868903195867.4104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 08:55 on Tue 11 Oct to 10:13 on Wed 12 Oct.", "fact": "1910-10-11T00:54:56Z → 1910-10-12T02:13:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 11th, 11:25–12:13 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4314 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Fuzhou, 1910: Tuesday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Mahastami (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 1910 falls on Tuesday 11 October. Aṣṭamī runs from 08:55 on Tue 11 Oct to 10:13 on Wed 12 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2419, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1910-10-12T10:13:30+08:00", "utc": "1910-10-12T02:13:30Z", "ms": -1868910390055.6663 }, "end": { "local": "1910-10-13T10:44:51+08:00", "utc": "1910-10-13T02:44:51Z", "ms": -1868822109384.1707 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-12T10:13:30+08:00", "utc": "1910-10-12T02:13:30Z", "ms": -1868910390055.6663 }, "end": { "local": "1910-10-13T10:44:51+08:00", "utc": "1910-10-13T02:44:51Z", "ms": -1868822109384.1707 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-10-12", "window": { "start": { "local": "1910-10-12T11:25:24+08:00", "utc": "1910-10-12T03:25:24Z", "ms": -1868906075867.4104 }, "end": { "local": "1910-10-12T12:13:24+08:00", "utc": "1910-10-12T04:13:24Z", "ms": -1868903195867.4104 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-10-13", "window": { "start": { "local": "1910-10-13T11:25:09+08:00", "utc": "1910-10-13T03:25:09Z", "ms": -1868819690880.5352 }, "end": { "local": "1910-10-13T12:13:09+08:00", "utc": "1910-10-13T04:13:09Z", "ms": -1868816810880.5352 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 10:13 on Wed 12 Oct to 10:45 on Thu 13 Oct.", "fact": "1910-10-12T02:13:30Z → 1910-10-13T02:44:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 12th, 11:25–12:13 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2419 s" }, { "step": "ruling", "text": "Mahānavamī, Fuzhou, 1910: Wednesday 12 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahanavami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahānavamī 1910 falls on Wednesday 12 October. Navamī runs from 10:13 on Wed 12 Oct to 10:45 on Thu 13 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9618, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1910-10-13T10:44:51+08:00", "utc": "1910-10-13T02:44:51Z", "ms": -1868822109384.1707 }, "end": { "local": "1910-10-14T10:25:31+08:00", "utc": "1910-10-14T02:25:31Z", "ms": -1868736869172.8677 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1910-10-13T10:44:51+08:00", "utc": "1910-10-13T02:44:51Z", "ms": -1868822109384.1707 }, "end": { "local": "1910-10-14T03:20:31+08:00", "utc": "1910-10-13T19:20:31Z", "ms": -1868762369197.8733 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1910-10-13T02:45:31+08:00", "utc": "1910-10-12T18:45:31Z", "ms": -1868850868611.0261 }, "end": { "local": "1910-10-14T03:20:31+08:00", "utc": "1910-10-13T19:20:31Z", "ms": -1868762369197.8733 } } }, "kaala": "daytime", "days": [ { "local_date": "1910-10-13", "window": { "start": { "local": "1910-10-13T06:00:18+08:00", "utc": "1910-10-12T22:00:18Z", "ms": -1868839181544.806 }, "end": { "local": "1910-10-13T17:38:00+08:00", "utc": "1910-10-13T09:38:00Z", "ms": -1868797320216.2642 } }, "covered_min": 413, "window_min": 698, "qualifies": true }, { "local_date": "1910-10-14", "window": { "start": { "local": "1910-10-14T06:00:48+08:00", "utc": "1910-10-13T22:00:48Z", "ms": -1868752751522.5474 }, "end": { "local": "1910-10-14T17:37:01+08:00", "utc": "1910-10-14T09:37:01Z", "ms": -1868710979282.6702 } }, "covered_min": 0, "window_min": 696, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 10:45 on Thu 13 Oct to 10:26 on Fri 14 Oct, and Śravaṇa from 02:46 on Thu 13 Oct to 03:21 on Fri 14 Oct. They are together from 10:45 on Thu 13 Oct to 03:21 on Fri 14 Oct.", "fact": "1910-10-13T02:44:51Z → 1910-10-13T19:20:31Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 06:00–17:38 on the 13th, 06:01–17:37 on the 14th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 413 of 698 minutes on the 13th and 0 of 696 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9618 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Fuzhou, 1910: Thursday 13 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vijaya-dashami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara." } ], "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day", "conjunction": { "nakshatra": "Śravaṇa", "kaala": "daytime" } }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 1910 falls on Thursday 13 October. Daśamī runs from 10:45 on Thu 13 Oct to 10:26 on Fri 14 Oct and is with Śravaṇa in the day time that day, for 413 minutes.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-10-15", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11702, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-10-14T10:25:31+08:00", "utc": "1910-10-14T02:25:31Z", "ms": -1868736869172.8677 }, "end": { "local": "1910-10-15T09:16:21+08:00", "utc": "1910-10-15T01:16:21Z", "ms": -1868654618805.9517 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-14T10:25:31+08:00", "utc": "1910-10-14T02:25:31Z", "ms": -1868736869172.8677 }, "end": { "local": "1910-10-15T09:16:21+08:00", "utc": "1910-10-15T01:16:21Z", "ms": -1868654618805.9517 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-10-14", "window": { "start": { "local": "1910-10-14T06:00:48+08:00", "utc": "1910-10-13T22:00:48Z", "ms": -1868752751522.5474 }, "end": { "local": "1910-10-14T06:00:48+08:00", "utc": "1910-10-13T22:00:48Z", "ms": -1868752751522.5474 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-10-15", "window": { "start": { "local": "1910-10-15T06:01:19+08:00", "utc": "1910-10-14T22:01:19Z", "ms": -1868666321134.5095 }, "end": { "local": "1910-10-15T06:01:19+08:00", "utc": "1910-10-14T22:01:19Z", "ms": -1868666321134.5095 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:26 on Fri 14 Oct to 09:16 on Sat 15 Oct.", "fact": "1910-10-14T02:25:31Z → 1910-10-15T01:16:21Z" }, { "step": "kaala", "text": "Sunrise is at 06:01 on the 14th and 06:01 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11702 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 1910: Saturday 15 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": "1910-10-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 1910 falls on Saturday 15 October. Ekādaśī runs from 10:26 on Fri 14 Oct to 09:16 on Sat 15 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-10-15", "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/1910/pradosha-vrata?on=1910-10-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34456, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-10-16T07:21:49+08:00", "utc": "1910-10-15T23:21:49Z", "ms": -1868575091288.3406 }, "end": { "local": "1910-10-17T04:48:58+08:00", "utc": "1910-10-16T20:48:58Z", "ms": -1868497861594.0886 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1910-10-16T07:21:49+08:00", "utc": "1910-10-15T23:21:49Z", "ms": -1868575091288.3406 }, "end": { "local": "1910-10-17T04:48:58+08:00", "utc": "1910-10-16T20:48:58Z", "ms": -1868497861594.0886 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-10-15", "window": { "start": { "local": "1910-10-15T17:36:02+08:00", "utc": "1910-10-15T09:36:02Z", "ms": -1868624637693.8357 }, "end": { "local": "1910-10-15T19:15:29+08:00", "utc": "1910-10-15T11:15:29Z", "ms": -1868618671383.9512 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1910-10-16", "window": { "start": { "local": "1910-10-16T17:35:05+08:00", "utc": "1910-10-16T09:35:05Z", "ms": -1868538295420.5405 }, "end": { "local": "1910-10-16T19:14:43+08:00", "utc": "1910-10-16T11:14:43Z", "ms": -1868532317259.968 } }, "covered_min": 100, "window_min": 100, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:22 on Sun 16 Oct to 04:49 on Mon 17 Oct.", "fact": "1910-10-15T23:21:49Z → 1910-10-16T20:48:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:15 on the 15th, 17:35–19:15 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 99 minutes on the 15th and 100 of 100 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34456 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Sunday 16 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Sunday 16 October. Trayodaśī runs from 07:22 on Sun 16 Oct to 04:49 on Mon 17 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-10-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28025, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-10-21T11:55:55+08:00", "utc": "1910-10-21T03:55:55Z", "ms": -1868126645410.0332 }, "end": { "local": "1910-10-22T08:49:44+08:00", "utc": "1910-10-22T00:49:44Z", "ms": -1868051416115.909 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-21T11:55:55+08:00", "utc": "1910-10-21T03:55:55Z", "ms": -1868126645410.0332 }, "end": { "local": "1910-10-22T08:49:44+08:00", "utc": "1910-10-22T00:49:44Z", "ms": -1868051416115.909 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-10-21", "window": { "start": { "local": "1910-10-21T19:43:00+08:00", "utc": "1910-10-21T11:43:00Z", "ms": -1868098620061.9202 }, "end": { "local": "1910-10-21T19:43:00+08:00", "utc": "1910-10-21T11:43:00Z", "ms": -1868098620061.9202 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-10-22", "window": { "start": { "local": "1910-10-22T20:37:46+08:00", "utc": "1910-10-22T12:37:46Z", "ms": -1868008933629.5686 }, "end": { "local": "1910-10-22T20:37:46+08:00", "utc": "1910-10-22T12:37:46Z", "ms": -1868008933629.5686 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:56 on Fri 21 Oct to 08:50 on Sat 22 Oct.", "fact": "1910-10-21T03:55:55Z → 1910-10-22T00:49:44Z" }, { "step": "kaala", "text": "Moonrise is at 19:43 on the 21st and 20:38 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 28025 s" }, { "step": "ruling", "text": "Karaka Caturthī, Fuzhou, 1910: Friday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 1910 falls on Friday 21 October. Caturthī runs from 11:56 on Fri 21 Oct to 08:50 on Sat 22 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-10-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28025, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-10-21T11:55:55+08:00", "utc": "1910-10-21T03:55:55Z", "ms": -1868126645410.0332 }, "end": { "local": "1910-10-22T08:49:44+08:00", "utc": "1910-10-22T00:49:44Z", "ms": -1868051416115.909 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-21T11:55:55+08:00", "utc": "1910-10-21T03:55:55Z", "ms": -1868126645410.0332 }, "end": { "local": "1910-10-22T08:49:44+08:00", "utc": "1910-10-22T00:49:44Z", "ms": -1868051416115.909 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-10-21", "window": { "start": { "local": "1910-10-21T19:43:00+08:00", "utc": "1910-10-21T11:43:00Z", "ms": -1868098620061.9202 }, "end": { "local": "1910-10-21T19:43:00+08:00", "utc": "1910-10-21T11:43:00Z", "ms": -1868098620061.9202 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-10-22", "window": { "start": { "local": "1910-10-22T20:37:46+08:00", "utc": "1910-10-22T12:37:46Z", "ms": -1868008933629.5686 }, "end": { "local": "1910-10-22T20:37:46+08:00", "utc": "1910-10-22T12:37:46Z", "ms": -1868008933629.5686 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:56 on Fri 21 Oct to 08:50 on Sat 22 Oct.", "fact": "1910-10-21T03:55:55Z → 1910-10-22T00:49:44Z" }, { "step": "kaala", "text": "Moonrise is at 19:43 on the 21st and 20:38 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28025 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Friday 21 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Friday 21 October. Caturthī runs from 11:56 on Fri 21 Oct to 08:50 on Sat 22 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-10-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5952, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-10-25T02:21:42+08:00", "utc": "1910-10-24T18:21:42Z", "ms": -1867815498051.6797 }, "end": { "local": "1910-10-26T01:23:19+08:00", "utc": "1910-10-25T17:23:19Z", "ms": -1867732600861.6914 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-25T02:21:42+08:00", "utc": "1910-10-24T18:21:42Z", "ms": -1867815498051.6797 }, "end": { "local": "1910-10-26T01:23:19+08:00", "utc": "1910-10-25T17:23:19Z", "ms": -1867732600861.6914 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-10-24", "window": { "start": { "local": "1910-10-24T22:40:53+08:00", "utc": "1910-10-24T14:40:53Z", "ms": -1867828747483.277 }, "end": { "local": "1910-10-24T22:40:53+08:00", "utc": "1910-10-24T14:40:53Z", "ms": -1867828747483.277 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-10-25", "window": { "start": { "local": "1910-10-25T23:44:07+08:00", "utc": "1910-10-25T15:44:07Z", "ms": -1867738552625.9998 }, "end": { "local": "1910-10-25T23:44:07+08:00", "utc": "1910-10-25T15:44:07Z", "ms": -1867738552625.9998 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 02:22 on Tue 25 Oct to 01:23 on Wed 26 Oct.", "fact": "1910-10-24T18:21:42Z → 1910-10-25T17:23:19Z" }, { "step": "kaala", "text": "Moonrise is at 22:41 on the 24th and 23:44 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 24th and is on the 25th.", "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 5952 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Fuzhou, 1910: Tuesday 25 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Ahoyī Aṣṭamī 1910 falls on Tuesday 25 October. Aṣṭamī runs from 02:22 on Tue 25 Oct to 01:23 on Wed 26 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-10-28", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14347, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-10-28T01:19:22+08:00", "utc": "1910-10-27T17:19:22Z", "ms": -1867560038179.1448 }, "end": { "local": "1910-10-29T02:10:02+08:00", "utc": "1910-10-28T18:10:02Z", "ms": -1867470598255.4226 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-28T01:19:22+08:00", "utc": "1910-10-27T17:19:22Z", "ms": -1867560038179.1448 }, "end": { "local": "1910-10-29T02:10:02+08:00", "utc": "1910-10-28T18:10:02Z", "ms": -1867470598255.4226 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-10-28", "window": { "start": { "local": "1910-10-28T06:08:32+08:00", "utc": "1910-10-27T22:08:32Z", "ms": -1867542687584.453 }, "end": { "local": "1910-10-28T06:08:32+08:00", "utc": "1910-10-27T22:08:32Z", "ms": -1867542687584.453 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-10-29", "window": { "start": { "local": "1910-10-29T06:09:09+08:00", "utc": "1910-10-28T22:09:09Z", "ms": -1867456251000.173 }, "end": { "local": "1910-10-29T06:09:09+08:00", "utc": "1910-10-28T22:09:09Z", "ms": -1867456251000.173 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:19 on Fri 28 Oct to 02:10 on Sat 29 Oct.", "fact": "1910-10-27T17:19:22Z → 1910-10-28T18:10:02Z" }, { "step": "kaala", "text": "Sunrise is at 06:09 on the 28th and 06:09 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14347 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Fuzhou, 1910: Friday 28 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Ramā Ekādaśī 1910 falls on Friday 28 October. Ekādaśī runs from 01:19 on Fri 28 Oct to 02:10 on Sat 29 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-10-28", "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/1910/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25409, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1910-10-29T02:10:02+08:00", "utc": "1910-10-28T18:10:02Z", "ms": -1867470598255.4226 }, "end": { "local": "1910-10-30T03:31:21+08:00", "utc": "1910-10-29T19:31:21Z", "ms": -1867379318708.1255 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-29T02:10:02+08:00", "utc": "1910-10-28T18:10:02Z", "ms": -1867470598255.4226 }, "end": { "local": "1910-10-30T03:31:21+08:00", "utc": "1910-10-29T19:31:21Z", "ms": -1867379318708.1255 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-10-28", "window": { "start": { "local": "1910-10-28T17:24:36+08:00", "utc": "1910-10-28T09:24:36Z", "ms": -1867502123885.378 }, "end": { "local": "1910-10-28T19:06:32+08:00", "utc": "1910-10-28T11:06:32Z", "ms": -1867496007500.6838 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1910-10-29", "window": { "start": { "local": "1910-10-29T17:23:50+08:00", "utc": "1910-10-29T09:23:50Z", "ms": -1867415770040.7563 }, "end": { "local": "1910-10-29T19:05:57+08:00", "utc": "1910-10-29T11:05:57Z", "ms": -1867409642561.8206 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 02:10 on Sat 29 Oct to 03:31 on Sun 30 Oct.", "fact": "1910-10-28T18:10:02Z → 1910-10-29T19:31:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:07 on the 28th, 17:24–19:06 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 28th and 102 of 102 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25409 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Fuzhou, 1910: Saturday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 1910 falls on Saturday 29 October. Dvādaśī runs from 02:10 on Sat 29 Oct to 03:31 on Sun 30 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30324, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-10-30T03:31:21+08:00", "utc": "1910-10-29T19:31:21Z", "ms": -1867379318708.1255 }, "end": { "local": "1910-10-31T05:19:11+08:00", "utc": "1910-10-30T21:19:11Z", "ms": -1867286449386.0388 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-30T03:31:21+08:00", "utc": "1910-10-29T19:31:21Z", "ms": -1867379318708.1255 }, "end": { "local": "1910-10-31T05:19:11+08:00", "utc": "1910-10-30T21:19:11Z", "ms": -1867286449386.0388 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-10-29", "window": { "start": { "local": "1910-10-29T17:23:50+08:00", "utc": "1910-10-29T09:23:50Z", "ms": -1867415770040.7563 }, "end": { "local": "1910-10-29T19:05:57+08:00", "utc": "1910-10-29T11:05:57Z", "ms": -1867409642561.8206 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1910-10-30", "window": { "start": { "local": "1910-10-30T17:23:05+08:00", "utc": "1910-10-30T09:23:05Z", "ms": -1867329415119.42 }, "end": { "local": "1910-10-30T19:05:23+08:00", "utc": "1910-10-30T11:05:23Z", "ms": -1867323276628.2156 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:31 on Sun 30 Oct to 05:19 on Mon 31 Oct.", "fact": "1910-10-29T19:31:21Z → 1910-10-30T21:19:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:24–19:06 on the 29th, 17:23–19:05 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 29th and 102 of 102 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30324 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Fuzhou, 1910: Sunday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dīpadāna 1910 falls on Sunday 30 October. Trayodaśī runs from 03:31 on Sun 30 Oct to 05:19 on Mon 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pradosha-vrata?on=1910-10-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30324, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-10-30T03:31:21+08:00", "utc": "1910-10-29T19:31:21Z", "ms": -1867379318708.1255 }, "end": { "local": "1910-10-31T05:19:11+08:00", "utc": "1910-10-30T21:19:11Z", "ms": -1867286449386.0388 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-30T03:31:21+08:00", "utc": "1910-10-29T19:31:21Z", "ms": -1867379318708.1255 }, "end": { "local": "1910-10-31T05:19:11+08:00", "utc": "1910-10-30T21:19:11Z", "ms": -1867286449386.0388 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-10-29", "window": { "start": { "local": "1910-10-29T17:23:50+08:00", "utc": "1910-10-29T09:23:50Z", "ms": -1867415770040.7563 }, "end": { "local": "1910-10-29T19:05:57+08:00", "utc": "1910-10-29T11:05:57Z", "ms": -1867409642561.8206 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1910-10-30", "window": { "start": { "local": "1910-10-30T17:23:05+08:00", "utc": "1910-10-30T09:23:05Z", "ms": -1867329415119.42 }, "end": { "local": "1910-10-30T19:05:23+08:00", "utc": "1910-10-30T11:05:23Z", "ms": -1867323276628.2156 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:31 on Sun 30 Oct to 05:19 on Mon 31 Oct.", "fact": "1910-10-29T19:31:21Z → 1910-10-30T21:19:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:24–19:06 on the 29th, 17:23–19:05 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 29th and 102 of 102 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 30324 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Sunday 30 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Sunday 30 October. Trayodaśī runs from 03:31 on Sun 30 Oct to 05:19 on Mon 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-10-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3066, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-10-31T05:19:11+08:00", "utc": "1910-10-30T21:19:11Z", "ms": -1867286449386.0388 }, "end": { "local": "1910-11-01T07:28:58+08:00", "utc": "1910-10-31T23:28:58Z", "ms": -1867192261758.0002 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-31T05:19:11+08:00", "utc": "1910-10-30T21:19:11Z", "ms": -1867286449386.0388 }, "end": { "local": "1910-11-01T07:28:58+08:00", "utc": "1910-10-31T23:28:58Z", "ms": -1867192261758.0002 } }, "kaala": "arunodaya", "days": [ { "local_date": "1910-10-31", "window": { "start": { "local": "1910-10-31T04:28:05+08:00", "utc": "1910-10-30T20:28:05Z", "ms": -1867289514926.5908 }, "end": { "local": "1910-10-31T06:10:24+08:00", "utc": "1910-10-30T22:10:24Z", "ms": -1867283376435.3865 } }, "covered_min": 51, "window_min": 102, "qualifies": true }, { "local_date": "1910-11-01", "window": { "start": { "local": "1910-11-01T04:28:32+08:00", "utc": "1910-10-31T20:28:32Z", "ms": -1867203087884.166 }, "end": { "local": "1910-11-01T06:11:02+08:00", "utc": "1910-10-31T22:11:02Z", "ms": -1867196938466.6257 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:19 on Mon 31 Oct to 07:29 on Tue 1 Nov.", "fact": "1910-10-30T21:19:11Z → 1910-10-31T23:28:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:28–06:10 on the 31st, 04:29–06:11 on the 1st.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 51 of 102 minutes on the 31st and 102 of 102 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both dawns qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 3066 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Fuzhou, 1910: Monday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 1910 falls on Monday 31 October. Caturdaśī runs from 05:19 on Mon 31 Oct to 07:29 on Tue 1 Nov and covers 51 of 102 minutes of aruṇodaya that dawn. It also reaches the next dawn for 102 minutes; by the rule the first dawn is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/shivaratri?on=1910-10-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18506, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-10-31T05:19:11+08:00", "utc": "1910-10-30T21:19:11Z", "ms": -1867286449386.0388 }, "end": { "local": "1910-11-01T07:28:58+08:00", "utc": "1910-10-31T23:28:58Z", "ms": -1867192261758.0002 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-10-31T05:19:11+08:00", "utc": "1910-10-30T21:19:11Z", "ms": -1867286449386.0388 }, "end": { "local": "1910-11-01T07:28:58+08:00", "utc": "1910-10-31T23:28:58Z", "ms": -1867192261758.0002 } }, "kaala": "nishita", "days": [ { "local_date": "1910-10-30", "window": { "start": { "local": "1910-10-30T23:22:44+08:00", "utc": "1910-10-30T15:22:44Z", "ms": -1867307835777.4033 }, "end": { "local": "1910-10-31T00:10:44+08:00", "utc": "1910-10-30T16:10:44Z", "ms": -1867304955777.4033 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-10-31", "window": { "start": { "local": "1910-10-31T23:22:41+08:00", "utc": "1910-10-31T15:22:41Z", "ms": -1867221438782.4023 }, "end": { "local": "1910-11-01T00:10:41+08:00", "utc": "1910-10-31T16:10:41Z", "ms": -1867218558782.4023 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:19 on Mon 31 Oct to 07:29 on Tue 1 Nov.", "fact": "1910-10-30T21:19:11Z → 1910-10-31T23:28:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 30th, 23:23–00:11 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18506 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Monday 31 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-10-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Monday 31 October. Caturdaśī runs from 05:19 on Mon 31 Oct to 07:29 on Tue 1 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-10-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26706, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1910-11-01T07:28:58+08:00", "utc": "1910-10-31T23:28:58Z", "ms": -1867192261758.0002 }, "end": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-01T07:28:58+08:00", "utc": "1910-10-31T23:28:58Z", "ms": -1867192261758.0002 }, "end": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-11-01", "window": { "start": { "local": "1910-11-01T17:21:38+08:00", "utc": "1910-11-01T09:21:38Z", "ms": -1867156701954.3645 }, "end": { "local": "1910-11-01T19:04:18+08:00", "utc": "1910-11-01T11:04:18Z", "ms": -1867150541700.4736 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1910-11-02", "window": { "start": { "local": "1910-11-02T17:20:56+08:00", "utc": "1910-11-02T09:20:56Z", "ms": -1867070343665.7737 }, "end": { "local": "1910-11-02T19:03:47+08:00", "utc": "1910-11-02T11:03:47Z", "ms": -1867064172669.6648 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 07:29 on Tue 1 Nov to 09:56 on Wed 2 Nov.", "fact": "1910-10-31T23:28:58Z → 1910-11-02T01:55:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:22–19:04 on the 1st, 17:21–19:04 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 103 of 103 minutes on the 1st and 0 of 103 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26706 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Fuzhou, 1910: Tuesday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 1910 falls on Tuesday 1 November. Amāvasyā runs from 07:29 on Tue 1 Nov to 09:56 on Wed 2 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26297, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1910-11-01T07:28:58+08:00", "utc": "1910-10-31T23:28:58Z", "ms": -1867192261758.0002 }, "end": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-01T07:28:58+08:00", "utc": "1910-10-31T23:28:58Z", "ms": -1867192261758.0002 }, "end": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 } }, "kaala": "nishita", "days": [ { "local_date": "1910-10-31", "window": { "start": { "local": "1910-10-31T23:22:41+08:00", "utc": "1910-10-31T15:22:41Z", "ms": -1867221438782.4023 }, "end": { "local": "1910-11-01T00:10:41+08:00", "utc": "1910-10-31T16:10:41Z", "ms": -1867218558782.4023 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-11-01", "window": { "start": { "local": "1910-11-01T23:22:39+08:00", "utc": "1910-11-01T15:22:39Z", "ms": -1867135041002.2737 }, "end": { "local": "1910-11-02T00:10:39+08:00", "utc": "1910-11-01T16:10:39Z", "ms": -1867132161002.2737 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 07:29 on Tue 1 Nov to 09:56 on Wed 2 Nov.", "fact": "1910-10-31T23:28:58Z → 1910-11-02T01:55:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 31st, 23:23–00:11 on the 1st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26297 s" }, { "step": "ruling", "text": "Kālī Pūjā, Fuzhou, 1910: Tuesday 1 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Kālī Pūjā 1910 falls on Tuesday 1 November. Amāvasyā runs from 07:29 on Tue 1 Nov to 09:56 on Wed 2 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1441, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 }, "end": { "local": "1910-11-03T12:34:18+08:00", "utc": "1910-11-03T04:34:18Z", "ms": -1867001141868.6633 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 }, "end": { "local": "1910-11-03T12:34:18+08:00", "utc": "1910-11-03T04:34:18Z", "ms": -1867001141868.6633 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-11-02", "window": { "start": { "local": "1910-11-02T11:22:18+08:00", "utc": "1910-11-02T03:22:18Z", "ms": -1867091861857.9783 }, "end": { "local": "1910-11-02T12:10:18+08:00", "utc": "1910-11-02T04:10:18Z", "ms": -1867088981857.9783 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-11-03", "window": { "start": { "local": "1910-11-03T11:22:17+08:00", "utc": "1910-11-03T03:22:17Z", "ms": -1867005462702.7866 }, "end": { "local": "1910-11-03T12:10:17+08:00", "utc": "1910-11-03T04:10:17Z", "ms": -1867002582702.7866 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:56 on Wed 2 Nov to 12:34 on Thu 3 Nov.", "fact": "1910-11-02T01:55:51Z → 1910-11-03T04:34:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 2nd, 11:22–12:10 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1441 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Fuzhou, 1910: Wednesday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govardhana-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Govardhana Pūjā 1910 falls on Wednesday 2 November. Pratipadā runs from 09:56 on Wed 2 Nov to 12:34 on Thu 3 Nov 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/1910/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/1910/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17158, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 }, "end": { "local": "1910-11-03T12:34:18+08:00", "utc": "1910-11-03T04:34:18Z", "ms": -1867001141868.6633 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 }, "end": { "local": "1910-11-03T12:34:18+08:00", "utc": "1910-11-03T04:34:18Z", "ms": -1867001141868.6633 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-11-02", "window": { "start": { "local": "1910-11-02T17:20:56+08:00", "utc": "1910-11-02T09:20:56Z", "ms": -1867070343665.7737 }, "end": { "local": "1910-11-02T19:03:47+08:00", "utc": "1910-11-02T11:03:47Z", "ms": -1867064172669.6648 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1910-11-03", "window": { "start": { "local": "1910-11-03T17:20:16+08:00", "utc": "1910-11-03T09:20:16Z", "ms": -1866983984210.6152 }, "end": { "local": "1910-11-03T19:03:17+08:00", "utc": "1910-11-03T11:03:17Z", "ms": -1866977802570.6616 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:56 on Wed 2 Nov to 12:34 on Thu 3 Nov.", "fact": "1910-11-02T01:55:51Z → 1910-11-03T04:34:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:21–19:04 on the 2nd, 17:20–19:03 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 103 of 103 minutes on the 2nd and 0 of 103 on the 3rd.", "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 17158 s" }, { "step": "ruling", "text": "Bali Pūjā, Fuzhou, 1910: Wednesday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Bali Pūjā 1910 falls on Wednesday 2 November. Pratipadā runs from 09:56 on Wed 2 Nov to 12:34 on Thu 3 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-03", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 65, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 }, "end": { "local": "1910-11-03T12:34:18+08:00", "utc": "1910-11-03T04:34:18Z", "ms": -1867001141868.6633 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-02T09:55:51+08:00", "utc": "1910-11-02T01:55:51Z", "ms": -1867097049401.728 }, "end": { "local": "1910-11-03T12:34:18+08:00", "utc": "1910-11-03T04:34:18Z", "ms": -1867001141868.6633 } }, "kaala": "purvahna", "days": [ { "local_date": "1910-11-02", "window": { "start": { "local": "1910-11-02T06:11:40+08:00", "utc": "1910-11-01T22:11:40Z", "ms": -1867110500050.1829 }, "end": { "local": "1910-11-02T09:54:45+08:00", "utc": "1910-11-02T01:54:45Z", "ms": -1867097114588.7131 } }, "covered_min": 0, "window_min": 223, "qualifies": false }, { "local_date": "1910-11-03", "window": { "start": { "local": "1910-11-03T06:12:19+08:00", "utc": "1910-11-02T22:12:19Z", "ms": -1867024061194.9578 }, "end": { "local": "1910-11-03T09:54:58+08:00", "utc": "1910-11-03T01:54:58Z", "ms": -1867010702200.177 } }, "covered_min": 223, "window_min": 223, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:56 on Wed 2 Nov to 12:34 on Thu 3 Nov.", "fact": "1910-11-02T01:55:51Z → 1910-11-03T04:34:18Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:12–09:55 on the 2nd, 06:12–09:55 on the 3rd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 223 minutes on the 2nd and 223 of 223 on the 3rd.", "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 65 s < 300 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Fuzhou, 1910: Thursday 3 November.", "fact": "confidence: boundary (margin)" } ], "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": "1910-11-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-03", "confidence": "boundary" } ], "quote": "In Fuzhou, Dyūta Pratipad 1910 falls on Thursday 3 November. Pratipadā runs from 09:56 on Wed 2 Nov to 12:34 on Thu 3 Nov and covers all of pūrvāhṇa that forenoon. It is 1 min 05 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1441, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1910-11-03T12:34:18+08:00", "utc": "1910-11-03T04:34:18Z", "ms": -1867001141868.6633 }, "end": { "local": "1910-11-04T15:17:55+08:00", "utc": "1910-11-04T07:17:55Z", "ms": -1866904925218.4102 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-03T12:34:18+08:00", "utc": "1910-11-03T04:34:18Z", "ms": -1867001141868.6633 }, "end": { "local": "1910-11-04T15:17:55+08:00", "utc": "1910-11-04T07:17:55Z", "ms": -1866904925218.4102 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-11-03", "window": { "start": { "local": "1910-11-03T11:22:17+08:00", "utc": "1910-11-03T03:22:17Z", "ms": -1867005462702.7866 }, "end": { "local": "1910-11-03T12:10:17+08:00", "utc": "1910-11-03T04:10:17Z", "ms": -1867002582702.7866 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-11-04", "window": { "start": { "local": "1910-11-04T11:22:17+08:00", "utc": "1910-11-04T03:22:17Z", "ms": -1866919062739.2144 }, "end": { "local": "1910-11-04T12:10:17+08:00", "utc": "1910-11-04T04:10:17Z", "ms": -1866916182739.2144 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 12:34 on Thu 3 Nov to 15:18 on Fri 4 Nov.", "fact": "1910-11-03T04:34:18Z → 1910-11-04T07:17:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 3rd, 11:22–12:10 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1441 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Fuzhou, 1910: Friday 4 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": "1910-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 1910 falls on Friday 4 November. Dvitīyā runs from 12:34 on Thu 3 Nov to 15:18 on Fri 4 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20924, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-11-05T17:59:02+08:00", "utc": "1910-11-05T09:59:02Z", "ms": -1866808858189.561 }, "end": { "local": "1910-11-06T20:28:48+08:00", "utc": "1910-11-06T12:28:48Z", "ms": -1866713471646.6582 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-05T17:59:02+08:00", "utc": "1910-11-05T09:59:02Z", "ms": -1866808858189.561 }, "end": { "local": "1910-11-06T20:28:48+08:00", "utc": "1910-11-06T12:28:48Z", "ms": -1866713471646.6582 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-11-05", "window": { "start": { "local": "1910-11-05T11:22:18+08:00", "utc": "1910-11-05T03:22:18Z", "ms": -1866832661962.256 }, "end": { "local": "1910-11-05T12:10:18+08:00", "utc": "1910-11-05T04:10:18Z", "ms": -1866829781962.256 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-11-06", "window": { "start": { "local": "1910-11-06T11:22:20+08:00", "utc": "1910-11-06T03:22:20Z", "ms": -1866746260367.5615 }, "end": { "local": "1910-11-06T12:10:20+08:00", "utc": "1910-11-06T04:10:20Z", "ms": -1866743380367.5615 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:59 on Sat 5 Nov to 20:29 on Sun 6 Nov.", "fact": "1910-11-05T09:59:02Z → 1910-11-06T12:28:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 5th, 11:22–12:10 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20924 s" }, { "step": "ruling", "text": "Nāga Caturthī, Fuzhou, 1910: Sunday 6 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": "1910-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Caturthī 1910 falls on Sunday 6 November. Caturthī runs from 17:59 on Sat 5 Nov to 20:29 on Sun 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/vinayaka-chaturthi?on=1910-11-06", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20924, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-11-05T17:59:02+08:00", "utc": "1910-11-05T09:59:02Z", "ms": -1866808858189.561 }, "end": { "local": "1910-11-06T20:28:48+08:00", "utc": "1910-11-06T12:28:48Z", "ms": -1866713471646.6582 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-05T17:59:02+08:00", "utc": "1910-11-05T09:59:02Z", "ms": -1866808858189.561 }, "end": { "local": "1910-11-06T20:28:48+08:00", "utc": "1910-11-06T12:28:48Z", "ms": -1866713471646.6582 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-11-05", "window": { "start": { "local": "1910-11-05T11:22:18+08:00", "utc": "1910-11-05T03:22:18Z", "ms": -1866832661962.256 }, "end": { "local": "1910-11-05T12:10:18+08:00", "utc": "1910-11-05T04:10:18Z", "ms": -1866829781962.256 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-11-06", "window": { "start": { "local": "1910-11-06T11:22:20+08:00", "utc": "1910-11-06T03:22:20Z", "ms": -1866746260367.5615 }, "end": { "local": "1910-11-06T12:10:20+08:00", "utc": "1910-11-06T04:10:20Z", "ms": -1866743380367.5615 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:59 on Sat 5 Nov to 20:29 on Sun 6 Nov.", "fact": "1910-11-05T09:59:02Z → 1910-11-06T12:28:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 5th, 11:22–12:10 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20924 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Sunday 6 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": "1910-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Sunday 6 November. Caturthī runs from 17:59 on Sat 5 Nov to 20:29 on Sun 6 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/vinayaka-chaturthi?on=1910-11-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37636, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1910-11-07T22:37:38+08:00", "utc": "1910-11-07T14:37:38Z", "ms": -1866619342274.3645 }, "end": { "local": "1910-11-09T00:16:00+08:00", "utc": "1910-11-08T16:16:00Z", "ms": -1866527040050.0735 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-07T22:37:38+08:00", "utc": "1910-11-07T14:37:38Z", "ms": -1866619342274.3645 }, "end": { "local": "1910-11-09T00:16:00+08:00", "utc": "1910-11-08T16:16:00Z", "ms": -1866527040050.0735 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-11-07", "window": { "start": { "local": "1910-11-07T11:22:22+08:00", "utc": "1910-11-07T03:22:22Z", "ms": -1866659857951.4011 }, "end": { "local": "1910-11-07T12:10:22+08:00", "utc": "1910-11-07T04:10:22Z", "ms": -1866656977951.4011 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-11-08", "window": { "start": { "local": "1910-11-08T11:22:25+08:00", "utc": "1910-11-08T03:22:25Z", "ms": -1866573454710.6272 }, "end": { "local": "1910-11-08T12:10:25+08:00", "utc": "1910-11-08T04:10:25Z", "ms": -1866570574710.6272 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 22:38 on Mon 7 Nov to 00:16 on Wed 9 Nov.", "fact": "1910-11-07T14:37:38Z → 1910-11-08T16:16:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 7th, 11:22–12:10 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37636 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Fuzhou, 1910: Tuesday 8 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 1910 falls on Tuesday 8 November. Ṣaṣṭhī runs from 22:38 on Mon 7 Nov to 00:16 on Wed 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35519, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1910-11-10T01:15:40+08:00", "utc": "1910-11-09T17:15:40Z", "ms": -1866437060248.7056 }, "end": { "local": "1910-11-11T01:30:41+08:00", "utc": "1910-11-10T17:30:41Z", "ms": -1866349758732.8162 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-10T01:15:40+08:00", "utc": "1910-11-09T17:15:40Z", "ms": -1866437060248.7056 }, "end": { "local": "1910-11-11T01:30:41+08:00", "utc": "1910-11-10T17:30:41Z", "ms": -1866349758732.8162 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-11-10", "window": { "start": { "local": "1910-11-10T11:22:34+08:00", "utc": "1910-11-10T03:22:34Z", "ms": -1866400645745.2454 }, "end": { "local": "1910-11-10T12:10:34+08:00", "utc": "1910-11-10T04:10:34Z", "ms": -1866397765745.2454 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-11-11", "window": { "start": { "local": "1910-11-11T11:22:40+08:00", "utc": "1910-11-11T03:22:40Z", "ms": -1866314240016.6973 }, "end": { "local": "1910-11-11T12:10:40+08:00", "utc": "1910-11-11T04:10:40Z", "ms": -1866311360016.6973 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:16 on Thu 10 Nov to 01:31 on Fri 11 Nov.", "fact": "1910-11-09T17:15:40Z → 1910-11-10T17:30:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 10th, 11:23–12:11 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35519 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Fuzhou, 1910: Thursday 10 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gopashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Gopastami, Gosthastami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Gopāṣṭamī 1910 falls on Thursday 10 November. Aṣṭamī runs from 01:16 on Thu 10 Nov to 01:31 on Fri 11 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17223, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1910-11-11T01:30:41+08:00", "utc": "1910-11-10T17:30:41Z", "ms": -1866349758732.8162 }, "end": { "local": "1910-11-12T00:58:11+08:00", "utc": "1910-11-11T16:58:11Z", "ms": -1866265308670.738 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-11T01:30:41+08:00", "utc": "1910-11-10T17:30:41Z", "ms": -1866349758732.8162 }, "end": { "local": "1910-11-12T00:58:11+08:00", "utc": "1910-11-11T16:58:11Z", "ms": -1866265308670.738 } }, "kaala": "purvahna", "days": [ { "local_date": "1910-11-11", "window": { "start": { "local": "1910-11-11T06:17:44+08:00", "utc": "1910-11-10T22:17:44Z", "ms": -1866332535966.326 }, "end": { "local": "1910-11-11T09:57:01+08:00", "utc": "1910-11-11T01:57:01Z", "ms": -1866319378666.5735 } }, "covered_min": 219, "window_min": 219, "qualifies": true }, { "local_date": "1910-11-12", "window": { "start": { "local": "1910-11-12T06:18:26+08:00", "utc": "1910-11-11T22:18:26Z", "ms": -1866246093726.713 }, "end": { "local": "1910-11-12T09:57:20+08:00", "utc": "1910-11-12T01:57:20Z", "ms": -1866232960212.509 } }, "covered_min": 0, "window_min": 219, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:31 on Fri 11 Nov to 00:58 on Sat 12 Nov.", "fact": "1910-11-10T17:30:41Z → 1910-11-11T16:58:11Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:18–09:57 on the 11th, 06:18–09:57 on the 12th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 219 of 219 minutes on the 11th and 0 of 219 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17223 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Fuzhou, 1910: Friday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 1910 falls on Friday 11 November. Navamī runs from 01:31 on Fri 11 Nov to 00:58 on Sat 12 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35519, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1910-11-11T01:30:41+08:00", "utc": "1910-11-10T17:30:41Z", "ms": -1866349758732.8162 }, "end": { "local": "1910-11-12T00:58:11+08:00", "utc": "1910-11-11T16:58:11Z", "ms": -1866265308670.738 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-11T01:30:41+08:00", "utc": "1910-11-10T17:30:41Z", "ms": -1866349758732.8162 }, "end": { "local": "1910-11-12T00:58:11+08:00", "utc": "1910-11-11T16:58:11Z", "ms": -1866265308670.738 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-11-11", "window": { "start": { "local": "1910-11-11T11:22:40+08:00", "utc": "1910-11-11T03:22:40Z", "ms": -1866314240016.6973 }, "end": { "local": "1910-11-11T12:10:40+08:00", "utc": "1910-11-11T04:10:40Z", "ms": -1866311360016.6973 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-11-12", "window": { "start": { "local": "1910-11-12T11:22:47+08:00", "utc": "1910-11-12T03:22:47Z", "ms": -1866227833455.4072 }, "end": { "local": "1910-11-12T12:10:47+08:00", "utc": "1910-11-12T04:10:47Z", "ms": -1866224953455.4072 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 01:31 on Fri 11 Nov to 00:58 on Sat 12 Nov.", "fact": "1910-11-10T17:30:41Z → 1910-11-11T16:58:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 11th, 11:23–12:11 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35519 s" }, { "step": "ruling", "text": "Durgā Navamī, Fuzhou, 1910: Friday 11 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "durga-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Navamī 1910 falls on Friday 11 November. Navamī runs from 01:31 on Fri 11 Nov to 00:58 on Sat 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-11-13", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24037, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-11-12T23:38:32+08:00", "utc": "1910-11-12T15:38:32Z", "ms": -1866183687712.7544 }, "end": { "local": "1910-11-13T21:35:07+08:00", "utc": "1910-11-13T13:35:07Z", "ms": -1866104692953.3875 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-12T23:38:32+08:00", "utc": "1910-11-12T15:38:32Z", "ms": -1866183687712.7544 }, "end": { "local": "1910-11-13T21:35:07+08:00", "utc": "1910-11-13T13:35:07Z", "ms": -1866104692953.3875 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-11-13", "window": { "start": { "local": "1910-11-13T06:19:09+08:00", "utc": "1910-11-12T22:19:09Z", "ms": -1866159651187.4446 }, "end": { "local": "1910-11-13T06:19:09+08:00", "utc": "1910-11-12T22:19:09Z", "ms": -1866159651187.4446 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-11-14", "window": { "start": { "local": "1910-11-14T06:19:52+08:00", "utc": "1910-11-13T22:19:52Z", "ms": -1866073208364.7266 }, "end": { "local": "1910-11-14T06:19:52+08:00", "utc": "1910-11-13T22:19:52Z", "ms": -1866073208364.7266 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:39 on Sat 12 Nov to 21:35 on Sun 13 Nov.", "fact": "1910-11-12T15:38:32Z → 1910-11-13T13:35:07Z" }, { "step": "kaala", "text": "Sunrise is at 06:19 on the 13th and 06:20 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24037 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Fuzhou, 1910: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Prabodhinī Ekādaśī 1910 falls on Sunday 13 November. Ekādaśī runs from 23:39 on Sat 12 Nov to 21:35 on Sun 13 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-11-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-11-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 317, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-11-14T18:53:47+08:00", "utc": "1910-11-14T10:53:47Z", "ms": -1866027973298.9402 }, "end": { "local": "1910-11-15T15:42:12+08:00", "utc": "1910-11-15T07:42:12Z", "ms": -1865953067566.1685 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-14T18:53:47+08:00", "utc": "1910-11-14T10:53:47Z", "ms": -1866027973298.9402 }, "end": { "local": "1910-11-15T15:42:12+08:00", "utc": "1910-11-15T07:42:12Z", "ms": -1865953067566.1685 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-11-14", "window": { "start": { "local": "1910-11-14T17:14:13+08:00", "utc": "1910-11-14T09:14:13Z", "ms": -1866033947291.9077 }, "end": { "local": "1910-11-14T18:59:04+08:00", "utc": "1910-11-14T10:59:04Z", "ms": -1866027656356.2249 } }, "covered_min": 5, "window_min": 105, "qualifies": true }, { "local_date": "1910-11-15", "window": { "start": { "local": "1910-11-15T17:13:48+08:00", "utc": "1910-11-15T09:13:48Z", "ms": -1865947572243.6426 }, "end": { "local": "1910-11-15T18:58:48+08:00", "utc": "1910-11-15T10:58:48Z", "ms": -1865941272202.0085 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 18:54 on Mon 14 Nov to 15:42 on Tue 15 Nov.", "fact": "1910-11-14T10:53:47Z → 1910-11-15T07:42:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:59 on the 14th, 17:14–18:59 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 5 of 105 minutes on the 14th and 0 of 105 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 317 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Monday 14 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Monday 14 November. Trayodaśī runs from 18:54 on Mon 14 Nov to 15:42 on Tue 15 Nov and covers 5 of 105 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-11-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-16", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 121, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-11-16T12:09:20+08:00", "utc": "1910-11-16T04:09:20Z", "ms": -1865879439904.1465 }, "end": { "local": "1910-11-17T08:24:51+08:00", "utc": "1910-11-17T00:24:51Z", "ms": -1865806508775.5195 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-16T12:09:20+08:00", "utc": "1910-11-16T04:09:20Z", "ms": -1865879439904.1465 }, "end": { "local": "1910-11-17T08:24:51+08:00", "utc": "1910-11-17T00:24:51Z", "ms": -1865806508775.5195 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-11-16", "window": { "start": { "local": "1910-11-16T11:23:21+08:00", "utc": "1910-11-16T03:23:21Z", "ms": -1865882198849.7393 }, "end": { "local": "1910-11-16T12:11:21+08:00", "utc": "1910-11-16T04:11:21Z", "ms": -1865879318849.7393 } }, "covered_min": 2, "window_min": 48, "qualifies": true }, { "local_date": "1910-11-17", "window": { "start": { "local": "1910-11-17T11:23:32+08:00", "utc": "1910-11-17T03:23:32Z", "ms": -1865795788098.7192 }, "end": { "local": "1910-11-17T12:11:32+08:00", "utc": "1910-11-17T04:11:32Z", "ms": -1865792908098.7192 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:09 on Wed 16 Nov to 08:25 on Thu 17 Nov.", "fact": "1910-11-16T04:09:20Z → 1910-11-17T00:24:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 16th, 11:24–12:12 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 2 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 121 s < 300 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Fuzhou, 1910: Wednesday 16 November.", "fact": "confidence: boundary (margin)" } ], "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": "1910-11-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Kārtikī Pūrṇimā 1910 falls on Wednesday 16 November. Pūrṇimā runs from 12:09 on Wed 16 Nov to 08:25 on Thu 17 Nov and covers 2 of 48 minutes of madhyāhna that midday. It is 2 min 01 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29588, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-11-16T12:09:20+08:00", "utc": "1910-11-16T04:09:20Z", "ms": -1865879439904.1465 }, "end": { "local": "1910-11-17T08:24:51+08:00", "utc": "1910-11-17T00:24:51Z", "ms": -1865806508775.5195 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1910-11-16T12:09:20+08:00", "utc": "1910-11-16T04:09:20Z", "ms": -1865879439904.1465 }, "end": { "local": "1910-11-17T08:24:51+08:00", "utc": "1910-11-17T00:24:51Z", "ms": -1865806508775.5195 } }, "kaala": "nishita", "days": [ { "local_date": "1910-11-15", "window": { "start": { "local": "1910-11-15T23:23:33+08:00", "utc": "1910-11-15T15:23:33Z", "ms": -1865925387087.5151 }, "end": { "local": "1910-11-16T00:11:33+08:00", "utc": "1910-11-15T16:11:33Z", "ms": -1865922507087.5151 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-11-16", "window": { "start": { "local": "1910-11-16T23:23:43+08:00", "utc": "1910-11-16T15:23:43Z", "ms": -1865838977059.6487 }, "end": { "local": "1910-11-17T00:11:43+08:00", "utc": "1910-11-16T16:11:43Z", "ms": -1865836097059.6487 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:09 on Wed 16 Nov to 08:25 on Thu 17 Nov.", "fact": "1910-11-16T04:09:20Z → 1910-11-17T00:24:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 15th, 23:24–00:12 on the 16th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29588 s" }, { "step": "ruling", "text": "Rāsayātrā, Fuzhou, 1910: Wednesday 16 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rasayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāsayātrā 1910 falls on Wednesday 16 November. Pūrṇimā runs from 12:09 on Wed 16 Nov to 08:25 on Thu 17 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-11-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-19", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 5667, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-11-19T21:42:34+08:00", "utc": "1910-11-19T13:42:34Z", "ms": -1865585846382.3618 }, "end": { "local": "1910-11-20T18:51:30+08:00", "utc": "1910-11-20T10:51:30Z", "ms": -1865509710282.6792 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-11-19T21:42:34+08:00", "utc": "1910-11-19T13:42:34Z", "ms": -1865585846382.3618 }, "end": { "local": "1910-11-20T18:51:30+08:00", "utc": "1910-11-20T10:51:30Z", "ms": -1865509710282.6792 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-11-19", "window": { "start": { "local": "1910-11-19T19:21:17+08:00", "utc": "1910-11-19T11:21:17Z", "ms": -1865594322894.8752 }, "end": { "local": "1910-11-19T19:21:17+08:00", "utc": "1910-11-19T11:21:17Z", "ms": -1865594322894.8752 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-11-20", "window": { "start": { "local": "1910-11-20T20:25:56+08:00", "utc": "1910-11-20T12:25:56Z", "ms": -1865504043680.5354 }, "end": { "local": "1910-11-20T20:25:56+08:00", "utc": "1910-11-20T12:25:56Z", "ms": -1865504043680.5354 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:43 on Sat 19 Nov to 18:51 on Sun 20 Nov.", "fact": "1910-11-19T13:42:34Z → 1910-11-20T10:51:30Z" }, { "step": "kaala", "text": "Moonrise is at 19:21 on the 19th and 20:26 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 5667 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Saturday 19 November.", "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": "1910-11-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-19", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Saturday 19 November. Caturthī runs from 21:43 on Sat 19 Nov to 18:51 on Sun 20 Nov, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-11-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-11-27", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36502, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-11-26T16:37:03+08:00", "utc": "1910-11-26T08:37:03Z", "ms": -1864999377020.778 }, "end": { "local": "1910-11-27T18:38:37+08:00", "utc": "1910-11-27T10:38:37Z", "ms": -1864905683435.5884 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-11-26T16:37:03+08:00", "utc": "1910-11-26T08:37:03Z", "ms": -1864999377020.778 }, "end": { "local": "1910-11-27T18:38:37+08:00", "utc": "1910-11-27T10:38:37Z", "ms": -1864905683435.5884 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-11-26", "window": { "start": { "local": "1910-11-26T06:28:41+08:00", "utc": "1910-11-25T22:28:41Z", "ms": -1865035878733.1772 }, "end": { "local": "1910-11-26T06:28:41+08:00", "utc": "1910-11-25T22:28:41Z", "ms": -1865035878733.1772 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-11-27", "window": { "start": { "local": "1910-11-27T06:29:26+08:00", "utc": "1910-11-26T22:29:26Z", "ms": -1864949433998.2554 }, "end": { "local": "1910-11-27T06:29:26+08:00", "utc": "1910-11-26T22:29:26Z", "ms": -1864949433998.2554 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:37 on Sat 26 Nov to 18:39 on Sun 27 Nov.", "fact": "1910-11-26T08:37:03Z → 1910-11-27T10:38:37Z" }, { "step": "kaala", "text": "Sunrise is at 06:29 on the 26th and 06:29 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 36502 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Fuzhou, 1910: Sunday 27 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Utpannā Ekādaśī 1910 falls on Sunday 27 November. Ekādaśī runs from 16:37 on Sat 26 Nov to 18:39 on Sun 27 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-11-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7589, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-11-28T21:03:50+08:00", "utc": "1910-11-28T13:03:50Z", "ms": -1864810570093.1248 }, "end": { "local": "1910-11-29T23:43:14+08:00", "utc": "1910-11-29T15:43:14Z", "ms": -1864714606465.2412 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-11-28T21:03:50+08:00", "utc": "1910-11-28T13:03:50Z", "ms": -1864810570093.1248 }, "end": { "local": "1910-11-29T23:43:14+08:00", "utc": "1910-11-29T15:43:14Z", "ms": -1864714606465.2412 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-11-28", "window": { "start": { "local": "1910-11-28T17:10:39+08:00", "utc": "1910-11-28T09:10:39Z", "ms": -1864824560913.8098 }, "end": { "local": "1910-11-28T18:57:21+08:00", "utc": "1910-11-28T10:57:21Z", "ms": -1864818158755.5579 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1910-11-29", "window": { "start": { "local": "1910-11-29T17:10:35+08:00", "utc": "1910-11-29T09:10:35Z", "ms": -1864738164611.396 }, "end": { "local": "1910-11-29T18:57:24+08:00", "utc": "1910-11-29T10:57:24Z", "ms": -1864731756032.1372 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:04 on Mon 28 Nov to 23:43 on Tue 29 Nov.", "fact": "1910-11-28T13:03:50Z → 1910-11-29T15:43:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 28th, 17:11–18:57 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 28th and 107 of 107 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 7589 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Tuesday 29 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": "1910-11-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Tuesday 29 November. Trayodaśī runs from 21:04 on Mon 28 Nov to 23:43 on Tue 29 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-11-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-11-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-11-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 966, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-11-29T23:43:14+08:00", "utc": "1910-11-29T15:43:14Z", "ms": -1864714606465.2412 }, "end": { "local": "1910-12-01T02:27:59+08:00", "utc": "1910-11-30T18:27:59Z", "ms": -1864618321089.176 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-11-29T23:43:14+08:00", "utc": "1910-11-29T15:43:14Z", "ms": -1864714606465.2412 }, "end": { "local": "1910-12-01T02:27:59+08:00", "utc": "1910-11-30T18:27:59Z", "ms": -1864618321089.176 } }, "kaala": "nishita", "days": [ { "local_date": "1910-11-29", "window": { "start": { "local": "1910-11-29T23:27:08+08:00", "utc": "1910-11-29T15:27:08Z", "ms": -1864715572439.1755 }, "end": { "local": "1910-11-30T00:15:08+08:00", "utc": "1910-11-29T16:15:08Z", "ms": -1864712692439.1755 } }, "covered_min": 32, "window_min": 48, "qualifies": true }, { "local_date": "1910-11-30", "window": { "start": { "local": "1910-11-30T23:27:29+08:00", "utc": "1910-11-30T15:27:29Z", "ms": -1864629151362.0437 }, "end": { "local": "1910-12-01T00:15:29+08:00", "utc": "1910-11-30T16:15:29Z", "ms": -1864626271362.0437 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:43 on Tue 29 Nov to 02:28 on Thu 1 Dec.", "fact": "1910-11-29T15:43:14Z → 1910-11-30T18:27:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 29th, 23:27–00:15 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 32 of 48 minutes on the 29th and 48 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 966 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Wednesday 30 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-11-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-11-30", "confidence": "boundary" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Wednesday 30 November. Caturdaśī runs from 23:43 on Tue 29 Nov to 02:28 on Thu 1 Dec and covers all of niśītha that night. It also reaches the previous night for 32 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/1910/shivaratri?on=1910-11-30", "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/1910/vinayaka-chaturthi?on=1910-12-06", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-06", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 751, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-12-05T12:04:31+08:00", "utc": "1910-12-05T04:04:31Z", "ms": -1864238128629.0444 }, "end": { "local": "1910-12-06T13:41:02+08:00", "utc": "1910-12-06T05:41:02Z", "ms": -1864145938140.364 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-05T12:04:31+08:00", "utc": "1910-12-05T04:04:31Z", "ms": -1864238128629.0444 }, "end": { "local": "1910-12-06T13:41:02+08:00", "utc": "1910-12-06T05:41:02Z", "ms": -1864145938140.364 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-12-05", "window": { "start": { "local": "1910-12-05T11:29:02+08:00", "utc": "1910-12-05T03:29:02Z", "ms": -1864240257771.8594 }, "end": { "local": "1910-12-05T12:17:02+08:00", "utc": "1910-12-05T04:17:02Z", "ms": -1864237377771.8594 } }, "covered_min": 13, "window_min": 48, "qualifies": true }, { "local_date": "1910-12-06", "window": { "start": { "local": "1910-12-06T11:29:27+08:00", "utc": "1910-12-06T03:29:27Z", "ms": -1864153832819.9048 }, "end": { "local": "1910-12-06T12:17:27+08:00", "utc": "1910-12-06T04:17:27Z", "ms": -1864150952819.9048 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:05 on Mon 5 Dec to 13:41 on Tue 6 Dec.", "fact": "1910-12-05T04:04:31Z → 1910-12-06T05:41:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 5th, 11:29–12:17 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 13 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 751 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1910: Tuesday 6 December.", "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": "1910-12-06", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-06", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1910 falls on Tuesday 6 December. Caturthī runs from 12:05 on Mon 5 Dec to 13:41 on Tue 6 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 13 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/1910/vinayaka-chaturthi?on=1910-12-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5015, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1910-12-06T13:41:02+08:00", "utc": "1910-12-06T05:41:02Z", "ms": -1864145938140.364 }, "end": { "local": "1910-12-07T14:48:46+08:00", "utc": "1910-12-07T06:48:46Z", "ms": -1864055474352.2046 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-06T13:41:02+08:00", "utc": "1910-12-06T05:41:02Z", "ms": -1864145938140.364 }, "end": { "local": "1910-12-07T14:48:46+08:00", "utc": "1910-12-07T06:48:46Z", "ms": -1864055474352.2046 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-12-06", "window": { "start": { "local": "1910-12-06T11:29:27+08:00", "utc": "1910-12-06T03:29:27Z", "ms": -1864153832819.9048 }, "end": { "local": "1910-12-06T12:17:27+08:00", "utc": "1910-12-06T04:17:27Z", "ms": -1864150952819.9048 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-12-07", "window": { "start": { "local": "1910-12-07T11:29:53+08:00", "utc": "1910-12-07T03:29:53Z", "ms": -1864067407330.7083 }, "end": { "local": "1910-12-07T12:17:53+08:00", "utc": "1910-12-07T04:17:53Z", "ms": -1864064527330.7083 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:41 on Tue 6 Dec to 14:49 on Wed 7 Dec.", "fact": "1910-12-06T05:41:02Z → 1910-12-07T06:48:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 6th, 11:30–12:18 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5015 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 1910: Wednesday 7 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": "1910-12-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 1910 falls on Wednesday 7 December. Pañcamī runs from 13:41 on Tue 6 Dec to 14:49 on Wed 7 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9053, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1910-12-07T14:48:46+08:00", "utc": "1910-12-07T06:48:46Z", "ms": -1864055474352.2046 }, "end": { "local": "1910-12-08T15:23:16+08:00", "utc": "1910-12-08T07:23:16Z", "ms": -1863967004269.0903 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-07T14:48:46+08:00", "utc": "1910-12-07T06:48:46Z", "ms": -1864055474352.2046 }, "end": { "local": "1910-12-08T15:23:16+08:00", "utc": "1910-12-08T07:23:16Z", "ms": -1863967004269.0903 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-12-07", "window": { "start": { "local": "1910-12-07T11:29:53+08:00", "utc": "1910-12-07T03:29:53Z", "ms": -1864067407330.7083 }, "end": { "local": "1910-12-07T12:17:53+08:00", "utc": "1910-12-07T04:17:53Z", "ms": -1864064527330.7083 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-12-08", "window": { "start": { "local": "1910-12-08T11:30:19+08:00", "utc": "1910-12-08T03:30:19Z", "ms": -1863980981333.4155 }, "end": { "local": "1910-12-08T12:18:19+08:00", "utc": "1910-12-08T04:18:19Z", "ms": -1863978101333.4155 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:49 on Wed 7 Dec to 15:23 on Thu 8 Dec.", "fact": "1910-12-07T06:48:46Z → 1910-12-08T07:23:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 7th, 11:30–12:18 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9053 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Fuzhou, 1910: Thursday 8 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": "1910-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Campā Ṣaṣṭhī 1910 falls on Thursday 8 December. Ṣaṣṭhī runs from 14:49 on Wed 7 Dec to 15:23 on Thu 8 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9053, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1910-12-07T14:48:46+08:00", "utc": "1910-12-07T06:48:46Z", "ms": -1864055474352.2046 }, "end": { "local": "1910-12-08T15:23:16+08:00", "utc": "1910-12-08T07:23:16Z", "ms": -1863967004269.0903 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-07T14:48:46+08:00", "utc": "1910-12-07T06:48:46Z", "ms": -1864055474352.2046 }, "end": { "local": "1910-12-08T15:23:16+08:00", "utc": "1910-12-08T07:23:16Z", "ms": -1863967004269.0903 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-12-07", "window": { "start": { "local": "1910-12-07T11:29:53+08:00", "utc": "1910-12-07T03:29:53Z", "ms": -1864067407330.7083 }, "end": { "local": "1910-12-07T12:17:53+08:00", "utc": "1910-12-07T04:17:53Z", "ms": -1864064527330.7083 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-12-08", "window": { "start": { "local": "1910-12-08T11:30:19+08:00", "utc": "1910-12-08T03:30:19Z", "ms": -1863980981333.4155 }, "end": { "local": "1910-12-08T12:18:19+08:00", "utc": "1910-12-08T04:18:19Z", "ms": -1863978101333.4155 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 14:49 on Wed 7 Dec to 15:23 on Thu 8 Dec.", "fact": "1910-12-07T06:48:46Z → 1910-12-08T07:23:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 7th, 11:30–12:18 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9053 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Fuzhou, 1910: Thursday 8 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": "1910-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī 1910 falls on Thursday 8 December. Ṣaṣṭhī runs from 14:49 on Wed 7 Dec to 15:23 on Thu 8 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10927, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1910-12-08T15:23:16+08:00", "utc": "1910-12-08T07:23:16Z", "ms": -1863967004269.0903 }, "end": { "local": "1910-12-09T15:20:52+08:00", "utc": "1910-12-09T07:20:52Z", "ms": -1863880747674.3945 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-08T15:23:16+08:00", "utc": "1910-12-08T07:23:16Z", "ms": -1863967004269.0903 }, "end": { "local": "1910-12-09T15:20:52+08:00", "utc": "1910-12-09T07:20:52Z", "ms": -1863880747674.3945 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-12-08", "window": { "start": { "local": "1910-12-08T11:30:19+08:00", "utc": "1910-12-08T03:30:19Z", "ms": -1863980981333.4155 }, "end": { "local": "1910-12-08T12:18:19+08:00", "utc": "1910-12-08T04:18:19Z", "ms": -1863978101333.4155 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1910-12-09", "window": { "start": { "local": "1910-12-09T11:30:45+08:00", "utc": "1910-12-09T03:30:45Z", "ms": -1863894554857.5068 }, "end": { "local": "1910-12-09T12:18:45+08:00", "utc": "1910-12-09T04:18:45Z", "ms": -1863891674857.5068 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 15:23 on Thu 8 Dec to 15:21 on Fri 9 Dec.", "fact": "1910-12-08T07:23:16Z → 1910-12-09T07:20:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 8th, 11:31–12:19 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10927 s" }, { "step": "ruling", "text": "Mitra Saptamī, Fuzhou, 1910: Friday 9 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": "1910-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Mitra Saptamī 1910 falls on Friday 9 December. Saptamī runs from 15:23 on Thu 8 Dec to 15:21 on Fri 9 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/ekadashi?on=1910-12-13", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7456, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-12-12T11:18:40+08:00", "utc": "1910-12-12T03:18:40Z", "ms": -1863636079694.6042 }, "end": { "local": "1910-12-13T08:45:03+08:00", "utc": "1910-12-13T00:45:03Z", "ms": -1863558897099.0054 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-12T11:18:40+08:00", "utc": "1910-12-12T03:18:40Z", "ms": -1863636079694.6042 }, "end": { "local": "1910-12-13T08:45:03+08:00", "utc": "1910-12-13T00:45:03Z", "ms": -1863558897099.0054 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-12-12", "window": { "start": { "local": "1910-12-12T06:40:08+08:00", "utc": "1910-12-11T22:40:08Z", "ms": -1863652792187.368 }, "end": { "local": "1910-12-12T06:40:08+08:00", "utc": "1910-12-11T22:40:08Z", "ms": -1863652792187.368 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-12-13", "window": { "start": { "local": "1910-12-13T06:40:47+08:00", "utc": "1910-12-12T22:40:47Z", "ms": -1863566353269.939 }, "end": { "local": "1910-12-13T06:40:47+08:00", "utc": "1910-12-12T22:40:47Z", "ms": -1863566353269.939 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:19 on Mon 12 Dec to 08:45 on Tue 13 Dec.", "fact": "1910-12-12T03:18:40Z → 1910-12-13T00:45:03Z" }, { "step": "kaala", "text": "Sunrise is at 06:40 on the 12th and 06:41 on the 13th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is 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 7456 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Fuzhou, 1910: Tuesday 13 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": "1910-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Mokṣadā Ekādaśī 1910 falls on Tuesday 13 December. Ekādaśī runs from 11:19 on Mon 12 Dec to 08:45 on Tue 13 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-12-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10052, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1910-12-13T08:45:03+08:00", "utc": "1910-12-13T00:45:03Z", "ms": -1863558897099.0054 }, "end": { "local": "1910-12-14T05:42:51+08:00", "utc": "1910-12-13T21:42:51Z", "ms": -1863483428855.6128 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-13T08:45:03+08:00", "utc": "1910-12-13T00:45:03Z", "ms": -1863558897099.0054 }, "end": { "local": "1910-12-14T05:42:51+08:00", "utc": "1910-12-13T21:42:51Z", "ms": -1863483428855.6128 } }, "kaala": "madhyahna", "days": [ { "local_date": "1910-12-13", "window": { "start": { "local": "1910-12-13T11:32:35+08:00", "utc": "1910-12-13T03:32:35Z", "ms": -1863548844759.0818 }, "end": { "local": "1910-12-13T12:20:35+08:00", "utc": "1910-12-13T04:20:35Z", "ms": -1863545964759.0818 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-12-14", "window": { "start": { "local": "1910-12-14T11:33:04+08:00", "utc": "1910-12-14T03:33:04Z", "ms": -1863462416330.7102 }, "end": { "local": "1910-12-14T12:21:04+08:00", "utc": "1910-12-14T04:21:04Z", "ms": -1863459536330.7102 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:45 on Tue 13 Dec to 05:43 on Wed 14 Dec.", "fact": "1910-12-13T00:45:03Z → 1910-12-13T21:42:51Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 13th, 11:33–12:21 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10052 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Fuzhou, 1910: Tuesday 13 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akhanda-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 1910 falls on Tuesday 13 December. Dvādaśī runs from 08:45 on Tue 13 Dec to 05:43 on Wed 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/pradosha-vrata?on=1910-12-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26331, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-12-14T05:42:51+08:00", "utc": "1910-12-13T21:42:51Z", "ms": -1863483428855.6128 }, "end": { "local": "1910-12-15T02:19:28+08:00", "utc": "1910-12-14T18:19:28Z", "ms": -1863409232038.7092 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-14T05:42:51+08:00", "utc": "1910-12-13T21:42:51Z", "ms": -1863483428855.6128 }, "end": { "local": "1910-12-15T02:19:28+08:00", "utc": "1910-12-14T18:19:28Z", "ms": -1863409232038.7092 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-12-13", "window": { "start": { "local": "1910-12-13T17:12:24+08:00", "utc": "1910-12-13T09:12:24Z", "ms": -1863528456248.2246 }, "end": { "local": "1910-12-13T19:00:16+08:00", "utc": "1910-12-13T11:00:16Z", "ms": -1863521984091.0828 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1910-12-14", "window": { "start": { "local": "1910-12-14T17:12:42+08:00", "utc": "1910-12-14T09:12:42Z", "ms": -1863442037591.7588 }, "end": { "local": "1910-12-14T19:00:37+08:00", "utc": "1910-12-14T11:00:37Z", "ms": -1863435562929.1333 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:43 on Wed 14 Dec to 02:19 on Thu 15 Dec.", "fact": "1910-12-13T21:42:51Z → 1910-12-14T18:19:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–19:00 on the 13th, 17:13–19:01 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 13th and 108 of 108 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 26331 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1910: Wednesday 14 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1910 falls on Wednesday 14 December. Trayodaśī runs from 05:43 on Wed 14 Dec to 02:19 on Thu 15 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1910/pradosha-vrata?on=1910-12-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-16", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 212, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1910-12-15T22:43:36+08:00", "utc": "1910-12-15T14:43:36Z", "ms": -1863335784421.3977 }, "end": { "local": "1910-12-16T19:04:55+08:00", "utc": "1910-12-16T11:04:55Z", "ms": -1863262504908.6802 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-15T22:43:36+08:00", "utc": "1910-12-15T14:43:36Z", "ms": -1863335784421.3977 }, "end": { "local": "1910-12-16T19:04:55+08:00", "utc": "1910-12-16T11:04:55Z", "ms": -1863262504908.6802 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-12-15", "window": { "start": { "local": "1910-12-15T17:13:02+08:00", "utc": "1910-12-15T09:13:02Z", "ms": -1863355617571.3958 }, "end": { "local": "1910-12-15T19:00:59+08:00", "utc": "1910-12-15T11:00:59Z", "ms": -1863349140690.047 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1910-12-16", "window": { "start": { "local": "1910-12-16T17:13:24+08:00", "utc": "1910-12-16T09:13:24Z", "ms": -1863269196207.0354 }, "end": { "local": "1910-12-16T19:01:23+08:00", "utc": "1910-12-16T11:01:23Z", "ms": -1863262717395.5159 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:44 on Thu 15 Dec to 19:05 on Fri 16 Dec.", "fact": "1910-12-15T14:43:36Z → 1910-12-16T11:04:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–19:01 on the 15th, 17:13–19:01 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 108 minutes on the 15th and 108 of 108 on the 16th.", "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 212 s < 300 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Fuzhou, 1910: Friday 16 December.", "fact": "confidence: boundary (margin)" } ], "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": "1910-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 1910 falls on Friday 16 December. Pūrṇimā runs from 22:44 on Thu 15 Dec to 19:05 on Fri 16 Dec and covers all of pradoṣa that evening. It is 3 min 32 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1910/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/1910/sankashta-chaturthi?on=1910-12-19", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38526, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1910-12-19T09:36:15+08:00", "utc": "1910-12-19T01:36:15Z", "ms": -1863037424968.2542 }, "end": { "local": "1910-12-20T07:29:53+08:00", "utc": "1910-12-19T23:29:53Z", "ms": -1862958607321.0754 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-19T09:36:15+08:00", "utc": "1910-12-19T01:36:15Z", "ms": -1863037424968.2542 }, "end": { "local": "1910-12-20T07:29:53+08:00", "utc": "1910-12-19T23:29:53Z", "ms": -1862958607321.0754 } }, "kaala": "moonrise", "days": [ { "local_date": "1910-12-19", "window": { "start": { "local": "1910-12-19T20:18:21+08:00", "utc": "1910-12-19T12:18:21Z", "ms": -1862998899427.2227 }, "end": { "local": "1910-12-19T20:18:21+08:00", "utc": "1910-12-19T12:18:21Z", "ms": -1862998899427.2227 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1910-12-20", "window": { "start": { "local": "1910-12-20T21:23:14+08:00", "utc": "1910-12-20T13:23:14Z", "ms": -1862908605820.564 }, "end": { "local": "1910-12-20T21:23:14+08:00", "utc": "1910-12-20T13:23:14Z", "ms": -1862908605820.564 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:36 on Mon 19 Dec to 07:30 on Tue 20 Dec.", "fact": "1910-12-19T01:36:15Z → 1910-12-19T23:29:53Z" }, { "step": "kaala", "text": "Moonrise is at 20:18 on the 19th and 21:23 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38526 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1910: Monday 19 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1910 falls on Monday 19 December. Caturthī runs from 09:36 on Mon 19 Dec to 07:30 on Tue 20 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/sankashta-chaturthi?on=1910-12-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/ekadashi?on=1910-12-27", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17609, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1910-12-26T11:41:24+08:00", "utc": "1910-12-26T03:41:24Z", "ms": -1862425116189.8494 }, "end": { "local": "1910-12-27T14:25:40+08:00", "utc": "1910-12-27T06:25:40Z", "ms": -1862328860328.582 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-26T11:41:24+08:00", "utc": "1910-12-26T03:41:24Z", "ms": -1862425116189.8494 }, "end": { "local": "1910-12-27T14:25:40+08:00", "utc": "1910-12-27T06:25:40Z", "ms": -1862328860328.582 } }, "kaala": "sunrise", "days": [ { "local_date": "1910-12-26", "window": { "start": { "local": "1910-12-26T06:47:55+08:00", "utc": "1910-12-25T22:47:55Z", "ms": -1862442725075.5962 }, "end": { "local": "1910-12-26T06:47:55+08:00", "utc": "1910-12-25T22:47:55Z", "ms": -1862442725075.5962 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1910-12-27", "window": { "start": { "local": "1910-12-27T06:48:21+08:00", "utc": "1910-12-26T22:48:21Z", "ms": -1862356299319.5364 }, "end": { "local": "1910-12-27T06:48:21+08:00", "utc": "1910-12-26T22:48:21Z", "ms": -1862356299319.5364 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:41 on Mon 26 Dec to 14:26 on Tue 27 Dec.", "fact": "1910-12-26T03:41:24Z → 1910-12-27T06:25:40Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 26th and 06:48 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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 17609 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Fuzhou, 1910: Tuesday 27 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Saphalā Ekādaśī 1910 falls on Tuesday 27 December. Ekādaśī runs from 11:41 on Mon 26 Dec to 14:26 on Tue 27 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1910/ekadashi?on=1910-12-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/pradosha-vrata?on=1910-12-28", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-28", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 331, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1910-12-28T17:13:45+08:00", "utc": "1910-12-28T09:13:45Z", "ms": -1862232374711.7097 }, "end": { "local": "1910-12-29T19:54:08+08:00", "utc": "1910-12-29T11:54:08Z", "ms": -1862136351635.4614 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-28T17:13:45+08:00", "utc": "1910-12-28T09:13:45Z", "ms": -1862232374711.7097 }, "end": { "local": "1910-12-29T19:54:08+08:00", "utc": "1910-12-29T11:54:08Z", "ms": -1862136351635.4614 } }, "kaala": "pradosha", "days": [ { "local_date": "1910-12-28", "window": { "start": { "local": "1910-12-28T17:19:16+08:00", "utc": "1910-12-28T09:19:16Z", "ms": -1862232044096.7908 }, "end": { "local": "1910-12-28T19:07:15+08:00", "utc": "1910-12-28T11:07:15Z", "ms": -1862225565074.4692 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1910-12-29", "window": { "start": { "local": "1910-12-29T17:19:52+08:00", "utc": "1910-12-29T09:19:52Z", "ms": -1862145607749.551 }, "end": { "local": "1910-12-29T19:07:49+08:00", "utc": "1910-12-29T11:07:49Z", "ms": -1862139130630.7427 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:14 on Wed 28 Dec to 19:54 on Thu 29 Dec.", "fact": "1910-12-28T09:13:45Z → 1910-12-29T11:54:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:07 on the 28th, 17:20–19:08 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 28th and 108 of 108 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 331 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1910: Wednesday 28 December.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-12-28", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-28", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1910 falls on Wednesday 28 December. Trayodaśī runs from 17:14 on Wed 28 Dec to 19:54 on Thu 29 Dec and covers all of pradoṣa that evening. It also reaches the next evening for 108 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/1910/pradosha-vrata?on=1910-12-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1910/shivaratri?on=1910-12-29", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1910, "local_date": "1910-12-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4972, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1910-12-29T19:54:08+08:00", "utc": "1910-12-29T11:54:08Z", "ms": -1862136351635.4614 }, "end": { "local": "1910-12-30T22:18:19+08:00", "utc": "1910-12-30T14:18:19Z", "ms": -1862041301379.5447 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1910-12-29T19:54:08+08:00", "utc": "1910-12-29T11:54:08Z", "ms": -1862136351635.4614 }, "end": { "local": "1910-12-30T22:18:19+08:00", "utc": "1910-12-30T14:18:19Z", "ms": -1862041301379.5447 } }, "kaala": "nishita", "days": [ { "local_date": "1910-12-29", "window": { "start": { "local": "1910-12-29T23:40:41+08:00", "utc": "1910-12-29T15:40:41Z", "ms": -1862122758554.02 }, "end": { "local": "1910-12-30T00:28:41+08:00", "utc": "1910-12-29T16:28:41Z", "ms": -1862119878554.02 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1910-12-30", "window": { "start": { "local": "1910-12-30T23:41:10+08:00", "utc": "1910-12-30T15:41:10Z", "ms": -1862036329541.1045 }, "end": { "local": "1910-12-31T00:29:10+08:00", "utc": "1910-12-30T16:29:10Z", "ms": -1862033449541.1045 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:54 on Thu 29 Dec to 22:18 on Fri 30 Dec.", "fact": "1910-12-29T11:54:08Z → 1910-12-30T14:18:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 29th, 23:41–00:29 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4972 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1910: Thursday 29 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1910-12-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1910-12-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1910 falls on Thursday 29 December. Caturdaśī runs from 19:54 on Thu 29 Dec to 22:18 on Fri 30 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1910/shivaratri?on=1910-12-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }