{ "id": "/fuzhou/festivals/1961", "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": 1961, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-01-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13132, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-01-05T14:59:17+08:00", "utc": "1961-01-05T06:59:17Z", "ms": -283626043295.20795 }, "end": { "local": "1961-01-06T17:33:23+08:00", "utc": "1961-01-06T09:33:23Z", "ms": -283530396665.4752 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-05T14:59:17+08:00", "utc": "1961-01-05T06:59:17Z", "ms": -283626043295.20795 }, "end": { "local": "1961-01-06T17:33:23+08:00", "utc": "1961-01-06T09:33:23Z", "ms": -283530396665.4752 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-01-05", "window": { "start": { "local": "1961-01-05T20:21:11+08:00", "utc": "1961-01-05T12:21:11Z", "ms": -283606728739.59296 }, "end": { "local": "1961-01-05T20:21:11+08:00", "utc": "1961-01-05T12:21:11Z", "ms": -283606728739.59296 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-01-06", "window": { "start": { "local": "1961-01-06T21:12:15+08:00", "utc": "1961-01-06T13:12:15Z", "ms": -283517264566.52106 }, "end": { "local": "1961-01-06T21:12:15+08:00", "utc": "1961-01-06T13:12:15Z", "ms": -283517264566.52106 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:59 on Thu 5 Jan to 17:33 on Fri 6 Jan.", "fact": "1961-01-05T06:59:17Z → 1961-01-06T09:33:23Z" }, { "step": "kaala", "text": "Moonrise is at 20:21 on the 5th and 21:12 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13132 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Thursday 5 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": "1961-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Thursday 5 January. Caturthī runs from 14:59 on Thu 5 Jan to 17:33 on Fri 6 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-01-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28527, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 }, "end": { "local": "1961-02-12T14:23:10+08:00", "utc": "1961-02-12T06:23:10Z", "ms": -280345009718.43774 } }, "span": { "of": "transit", "start": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 }, "end": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 } }, "kaala": "sunset-day", "days": [ { "local_date": "1961-01-13", "window": { "start": { "local": "1961-01-12T17:30:08+08:00", "utc": "1961-01-12T09:30:08Z", "ms": -283012192088.2055 }, "end": { "local": "1961-01-13T17:30:54+08:00", "utc": "1961-01-13T09:30:54Z", "ms": -282925746443.0868 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1961-01-14", "window": { "start": { "local": "1961-01-13T17:30:54+08:00", "utc": "1961-01-13T09:30:54Z", "ms": -282925746443.0868 }, "end": { "local": "1961-01-14T17:31:39+08:00", "utc": "1961-01-14T09:31:39Z", "ms": -282839300530.0942 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1961-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:26 on Sat 14 Jan.", "fact": "1961-01-13T17:26:21Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 28527 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Saturday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Fuzhou, 1961: Friday 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": "1961-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1961-01-13", "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": "1961-01-12", "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 1961 falls on Friday 13 January. It is kept the day before Pongal, which falls on Saturday 14 January. The Sun enters Makara at 01:26 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-01-13", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34600, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-01-12T21:15:25+08:00", "utc": "1961-01-12T13:15:25Z", "ms": -282998675202.6239 }, "end": { "local": "1961-01-13T19:07:14+08:00", "utc": "1961-01-13T11:07:14Z", "ms": -282919965704.7757 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-12T21:15:25+08:00", "utc": "1961-01-12T13:15:25Z", "ms": -282998675202.6239 }, "end": { "local": "1961-01-13T19:07:14+08:00", "utc": "1961-01-13T11:07:14Z", "ms": -282919965704.7757 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-01-13", "window": { "start": { "local": "1961-01-13T06:52:05+08:00", "utc": "1961-01-12T22:52:05Z", "ms": -282964075184.71 }, "end": { "local": "1961-01-13T06:52:05+08:00", "utc": "1961-01-12T22:52:05Z", "ms": -282964075184.71 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-01-14", "window": { "start": { "local": "1961-01-14T06:52:04+08:00", "utc": "1961-01-13T22:52:04Z", "ms": -282877675817.2594 }, "end": { "local": "1961-01-14T06:52:04+08:00", "utc": "1961-01-13T22:52:04Z", "ms": -282877675817.2594 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:15 on Thu 12 Jan to 19:07 on Fri 13 Jan.", "fact": "1961-01-12T13:15:25Z → 1961-01-13T11:07:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 13th and 06:52 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 34600 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 1961: Friday 13 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": "1961-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 1961 falls on Friday 13 January. Ekādaśī runs from 21:15 on Thu 12 Jan to 19:07 on Fri 13 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-01-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28527, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 }, "end": { "local": "1961-02-12T14:23:10+08:00", "utc": "1961-02-12T06:23:10Z", "ms": -280345009718.43774 } }, "span": { "of": "transit", "start": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 }, "end": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 } }, "kaala": "sunset-day", "days": [ { "local_date": "1961-01-13", "window": { "start": { "local": "1961-01-12T17:30:08+08:00", "utc": "1961-01-12T09:30:08Z", "ms": -283012192088.2055 }, "end": { "local": "1961-01-13T17:30:54+08:00", "utc": "1961-01-13T09:30:54Z", "ms": -282925746443.0868 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1961-01-14", "window": { "start": { "local": "1961-01-13T17:30:54+08:00", "utc": "1961-01-13T09:30:54Z", "ms": -282925746443.0868 }, "end": { "local": "1961-01-14T17:31:39+08:00", "utc": "1961-01-14T09:31:39Z", "ms": -282839300530.0942 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:26 on Sat 14 Jan.", "fact": "1961-01-13T17:26:21Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 28527 s" }, { "step": "ruling", "text": "Pongal, Fuzhou, 1961: Saturday 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": "1961-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1961-01-14", "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": "1961-01-13", "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 1961 falls on Saturday 14 January. The Sun enters Makara at 01:26 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5181, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 }, "end": { "local": "1961-02-12T14:23:10+08:00", "utc": "1961-02-12T06:23:10Z", "ms": -280345009718.43774 } }, "span": { "of": "transit", "start": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 }, "end": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 } }, "kaala": "civil-day", "days": [ { "local_date": "1961-01-13", "window": { "start": { "local": "1961-01-13T00:00:00+08:00", "utc": "1961-01-12T16:00:00Z", "ms": -282988800000 }, "end": { "local": "1961-01-14T00:00:00+08:00", "utc": "1961-01-13T16:00:00Z", "ms": -282902400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1961-01-14", "window": { "start": { "local": "1961-01-14T00:00:00+08:00", "utc": "1961-01-13T16:00:00Z", "ms": -282902400000 }, "end": { "local": "1961-01-15T00:00:00+08:00", "utc": "1961-01-14T16:00:00Z", "ms": -282816000000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:26 on Sat 14 Jan.", "fact": "1961-01-13T17:26:21Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from midnight to midnight, on the clock of Fuzhou.", "fact": "civil-day: midnight-to-midnight · Asia/Shanghai" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from midnight → only-day · margin 5181 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Fuzhou, 1961: Saturday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1961-01-13", "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": "1961-01-14", "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 1961 falls on Saturday 14 January. The Sun enters Makara at 01:26 on Sat 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-01-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4365, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-01-14T16:18:55+08:00", "utc": "1961-01-14T08:18:55Z", "ms": -282843665258.0884 }, "end": { "local": "1961-01-15T12:59:32+08:00", "utc": "1961-01-15T04:59:32Z", "ms": -282769227532.41986 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-14T16:18:55+08:00", "utc": "1961-01-14T08:18:55Z", "ms": -282843665258.0884 }, "end": { "local": "1961-01-15T12:59:32+08:00", "utc": "1961-01-15T04:59:32Z", "ms": -282769227532.41986 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-01-14", "window": { "start": { "local": "1961-01-14T17:31:39+08:00", "utc": "1961-01-14T09:31:39Z", "ms": -282839300530.0942 }, "end": { "local": "1961-01-14T19:18:22+08:00", "utc": "1961-01-14T11:18:22Z", "ms": -282832897519.5804 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1961-01-15", "window": { "start": { "local": "1961-01-15T17:32:26+08:00", "utc": "1961-01-15T09:32:26Z", "ms": -282752854391.1825 }, "end": { "local": "1961-01-15T19:19:02+08:00", "utc": "1961-01-15T11:19:02Z", "ms": -282746458017.95654 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:19 on Sat 14 Jan to 13:00 on Sun 15 Jan.", "fact": "1961-01-14T08:18:55Z → 1961-01-15T04:59:32Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:32–19:18 on the 14th, 17:32–19:19 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 107 of 107 minutes on the 14th and 0 of 107 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4365 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Saturday 14 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": "1961-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Saturday 14 January. Trayodaśī runs from 16:19 on Sat 14 Jan to 13:00 on Sun 15 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-01-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28527, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 }, "end": { "local": "1961-02-12T14:23:10+08:00", "utc": "1961-02-12T06:23:10Z", "ms": -280345009718.43774 } }, "span": { "of": "transit", "start": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 }, "end": { "local": "1961-01-14T01:26:21+08:00", "utc": "1961-01-13T17:26:21Z", "ms": -282897219240.5865 } }, "kaala": "sunset-day", "days": [ { "local_date": "1961-01-13", "window": { "start": { "local": "1961-01-12T17:30:08+08:00", "utc": "1961-01-12T09:30:08Z", "ms": -283012192088.2055 }, "end": { "local": "1961-01-13T17:30:54+08:00", "utc": "1961-01-13T09:30:54Z", "ms": -282925746443.0868 } }, "covered_min": 0, "window_min": 1441, "qualifies": false }, { "local_date": "1961-01-14", "window": { "start": { "local": "1961-01-13T17:30:54+08:00", "utc": "1961-01-13T09:30:54Z", "ms": -282925746443.0868 }, "end": { "local": "1961-01-14T17:31:39+08:00", "utc": "1961-01-14T09:31:39Z", "ms": -282839300530.0942 } }, "covered_min": 1, "window_min": 1441, "qualifies": true } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1961-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 01:26 on Sat 14 Jan.", "fact": "1961-01-13T17:26:21Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:31, and the day of the 14th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 28527 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Saturday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Fuzhou, 1961: Sunday 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": "1961-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1961-01-15", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1961-01-14", "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 1961 falls on Sunday 15 January. It is kept the day after Pongal, which falls on Saturday 14 January. The Sun enters Makara at 01:26 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/shivaratri?on=1961-01-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31400, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-01-15T12:59:32+08:00", "utc": "1961-01-15T04:59:32Z", "ms": -282769227532.41986 }, "end": { "local": "1961-01-16T09:19:32+08:00", "utc": "1961-01-16T01:19:32Z", "ms": -282696027882.84503 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-15T12:59:32+08:00", "utc": "1961-01-15T04:59:32Z", "ms": -282769227532.41986 }, "end": { "local": "1961-01-16T09:19:32+08:00", "utc": "1961-01-16T01:19:32Z", "ms": -282696027882.84503 } }, "kaala": "nishita", "days": [ { "local_date": "1961-01-14", "window": { "start": { "local": "1961-01-14T23:47:51+08:00", "utc": "1961-01-14T15:47:51Z", "ms": -282816729240.6675 }, "end": { "local": "1961-01-15T00:35:51+08:00", "utc": "1961-01-14T16:35:51Z", "ms": -282813849240.6675 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-01-15", "window": { "start": { "local": "1961-01-15T23:48:12+08:00", "utc": "1961-01-15T15:48:12Z", "ms": -282730307991.58514 }, "end": { "local": "1961-01-16T00:36:12+08:00", "utc": "1961-01-15T16:36:12Z", "ms": -282727427991.58514 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:00 on Sun 15 Jan to 09:20 on Mon 16 Jan.", "fact": "1961-01-15T04:59:32Z → 1961-01-16T01:19:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 14th, 23:48–00:36 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31400 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Sunday 15 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": "1961-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Sunday 15 January. Caturdaśī runs from 13:00 on Sun 15 Jan to 09:20 on Mon 16 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-01-15", "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/1961/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8854, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-01-15T12:59:32+08:00", "utc": "1961-01-15T04:59:32Z", "ms": -282769227532.41986 }, "end": { "local": "1961-01-16T09:19:32+08:00", "utc": "1961-01-16T01:19:32Z", "ms": -282696027882.84503 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-15T12:59:32+08:00", "utc": "1961-01-15T04:59:32Z", "ms": -282769227532.41986 }, "end": { "local": "1961-01-16T09:19:32+08:00", "utc": "1961-01-16T01:19:32Z", "ms": -282696027882.84503 } }, "kaala": "arunodaya", "days": [ { "local_date": "1961-01-15", "window": { "start": { "local": "1961-01-15T05:05:19+08:00", "utc": "1961-01-14T21:05:19Z", "ms": -282797680961.7545 }, "end": { "local": "1961-01-15T06:52:02+08:00", "utc": "1961-01-14T22:52:02Z", "ms": -282791277951.2407 } }, "covered_min": 0, "window_min": 107, "qualifies": false }, { "local_date": "1961-01-16", "window": { "start": { "local": "1961-01-16T05:05:22+08:00", "utc": "1961-01-15T21:05:22Z", "ms": -282711277965.21375 }, "end": { "local": "1961-01-16T06:51:58+08:00", "utc": "1961-01-15T22:51:58Z", "ms": -282704881591.9878 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:00 on Sun 15 Jan to 09:20 on Mon 16 Jan.", "fact": "1961-01-15T04:59:32Z → 1961-01-16T01:19:32Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:52 on the 15th, 05:05–06:52 on the 16th.", "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 107 minutes on the 15th and 107 of 107 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 8854 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Fuzhou, 1961: Monday 16 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Tarpaṇa 1961 falls on Monday 16 January. Caturdaśī runs from 13:00 on Sun 15 Jan to 09:20 on Mon 16 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1725, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-01-19T18:52:54+08:00", "utc": "1961-01-19T10:52:54Z", "ms": -282402425547.6079 }, "end": { "local": "1961-01-20T16:10:57+08:00", "utc": "1961-01-20T08:10:57Z", "ms": -282325742802.45764 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-19T18:52:54+08:00", "utc": "1961-01-19T10:52:54Z", "ms": -282402425547.6079 }, "end": { "local": "1961-01-20T16:10:57+08:00", "utc": "1961-01-20T08:10:57Z", "ms": -282325742802.45764 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-01-19", "window": { "start": { "local": "1961-01-19T17:35:32+08:00", "utc": "1961-01-19T09:35:32Z", "ms": -282407068424.3128 }, "end": { "local": "1961-01-19T19:21:39+08:00", "utc": "1961-01-19T11:21:39Z", "ms": -282400700809.57574 } }, "covered_min": 29, "window_min": 106, "qualifies": true }, { "local_date": "1961-01-20", "window": { "start": { "local": "1961-01-20T17:36:18+08:00", "utc": "1961-01-20T09:36:18Z", "ms": -282320621783.8003 }, "end": { "local": "1961-01-20T19:22:18+08:00", "utc": "1961-01-20T11:22:18Z", "ms": -282314261885.2282 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:53 on Thu 19 Jan to 16:11 on Fri 20 Jan.", "fact": "1961-01-19T10:52:54Z → 1961-01-20T08:10:57Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:22 on the 19th, 17:36–19:22 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 29 of 106 minutes on the 19th and 0 of 106 on the 20th.", "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 1725 s" }, { "step": "ruling", "text": "Tila Caturthī, Fuzhou, 1961: Thursday 19 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Tila Caturthī 1961 falls on Thursday 19 January. Caturthī runs from 18:53 on Thu 19 Jan to 16:11 on Fri 20 Jan and covers 29 of 106 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12784, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-01-19T18:52:54+08:00", "utc": "1961-01-19T10:52:54Z", "ms": -282402425547.6079 }, "end": { "local": "1961-01-20T16:10:57+08:00", "utc": "1961-01-20T08:10:57Z", "ms": -282325742802.45764 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-19T18:52:54+08:00", "utc": "1961-01-19T10:52:54Z", "ms": -282402425547.6079 }, "end": { "local": "1961-01-20T16:10:57+08:00", "utc": "1961-01-20T08:10:57Z", "ms": -282325742802.45764 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-01-19", "window": { "start": { "local": "1961-01-19T11:49:35+08:00", "utc": "1961-01-19T03:49:35Z", "ms": -282427825013.73804 }, "end": { "local": "1961-01-19T12:37:35+08:00", "utc": "1961-01-19T04:37:35Z", "ms": -282424945013.73804 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-01-20", "window": { "start": { "local": "1961-01-20T11:49:53+08:00", "utc": "1961-01-20T03:49:53Z", "ms": -282341406548.7925 }, "end": { "local": "1961-01-20T12:37:53+08:00", "utc": "1961-01-20T04:37:53Z", "ms": -282338526548.7925 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:53 on Thu 19 Jan to 16:11 on Fri 20 Jan.", "fact": "1961-01-19T10:52:54Z → 1961-01-20T08:10:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 19th, 11:50–12:38 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12784 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Fuzhou, 1961: Friday 20 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1961 falls on Friday 20 January. Caturthī runs from 18:53 on Thu 19 Jan to 16:11 on Fri 20 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5360, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1961-01-20T16:10:57+08:00", "utc": "1961-01-20T08:10:57Z", "ms": -282325742802.45764 }, "end": { "local": "1961-01-21T14:07:31+08:00", "utc": "1961-01-21T06:07:31Z", "ms": -282246748927.978 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-20T16:10:57+08:00", "utc": "1961-01-20T08:10:57Z", "ms": -282325742802.45764 }, "end": { "local": "1961-01-21T14:07:31+08:00", "utc": "1961-01-21T06:07:31Z", "ms": -282246748927.978 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-01-20", "window": { "start": { "local": "1961-01-20T11:49:53+08:00", "utc": "1961-01-20T03:49:53Z", "ms": -282341406548.7925 }, "end": { "local": "1961-01-20T12:37:53+08:00", "utc": "1961-01-20T04:37:53Z", "ms": -282338526548.7925 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-01-21", "window": { "start": { "local": "1961-01-21T11:50:11+08:00", "utc": "1961-01-21T03:50:11Z", "ms": -282254988851.5575 }, "end": { "local": "1961-01-21T12:38:11+08:00", "utc": "1961-01-21T04:38:11Z", "ms": -282252108851.5575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:11 on Fri 20 Jan to 14:08 on Sat 21 Jan.", "fact": "1961-01-20T08:10:57Z → 1961-01-21T06:07:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 20th, 11:50–12:38 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5360 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Fuzhou, 1961: Saturday 21 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Pañcamī 1961 falls on Saturday 21 January. Pañcamī runs from 16:11 on Fri 20 Jan to 14:08 on Sat 21 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5360, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1961-01-20T16:10:57+08:00", "utc": "1961-01-20T08:10:57Z", "ms": -282325742802.45764 }, "end": { "local": "1961-01-21T14:07:31+08:00", "utc": "1961-01-21T06:07:31Z", "ms": -282246748927.978 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-20T16:10:57+08:00", "utc": "1961-01-20T08:10:57Z", "ms": -282325742802.45764 }, "end": { "local": "1961-01-21T14:07:31+08:00", "utc": "1961-01-21T06:07:31Z", "ms": -282246748927.978 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-01-20", "window": { "start": { "local": "1961-01-20T11:49:53+08:00", "utc": "1961-01-20T03:49:53Z", "ms": -282341406548.7925 }, "end": { "local": "1961-01-20T12:37:53+08:00", "utc": "1961-01-20T04:37:53Z", "ms": -282338526548.7925 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-01-21", "window": { "start": { "local": "1961-01-21T11:50:11+08:00", "utc": "1961-01-21T03:50:11Z", "ms": -282254988851.5575 }, "end": { "local": "1961-01-21T12:38:11+08:00", "utc": "1961-01-21T04:38:11Z", "ms": -282252108851.5575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 16:11 on Fri 20 Jan to 14:08 on Sat 21 Jan.", "fact": "1961-01-20T08:10:57Z → 1961-01-21T06:07:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 20th, 11:50–12:38 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5360 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Fuzhou, 1961: Saturday 21 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasanta Pañcamī 1961 falls on Saturday 21 January. Pañcamī runs from 16:11 on Fri 20 Jan to 14:08 on Sat 21 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19356, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1961-01-22T12:47:35+08:00", "utc": "1961-01-22T04:47:35Z", "ms": -282165144988.66766 }, "end": { "local": "1961-01-23T12:13:27+08:00", "utc": "1961-01-23T04:13:27Z", "ms": -282080793444.4465 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-22T12:47:35+08:00", "utc": "1961-01-22T04:47:35Z", "ms": -282165144988.66766 }, "end": { "local": "1961-01-23T12:13:27+08:00", "utc": "1961-01-23T04:13:27Z", "ms": -282080793444.4465 } }, "kaala": "arunodaya", "days": [ { "local_date": "1961-01-22", "window": { "start": { "local": "1961-01-22T05:05:13+08:00", "utc": "1961-01-21T21:05:13Z", "ms": -282192887273.6105 }, "end": { "local": "1961-01-22T06:51:05+08:00", "utc": "1961-01-21T22:51:05Z", "ms": -282186535291.3036 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1961-01-23", "window": { "start": { "local": "1961-01-23T05:05:07+08:00", "utc": "1961-01-22T21:05:07Z", "ms": -282106493418.71844 }, "end": { "local": "1961-01-23T06:50:50+08:00", "utc": "1961-01-22T22:50:50Z", "ms": -282100149547.4422 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:48 on Sun 22 Jan to 12:13 on Mon 23 Jan.", "fact": "1961-01-22T04:47:35Z → 1961-01-23T04:13:27Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:51 on the 22nd, 05:05–06:51 on the 23rd.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. 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. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19356 s" }, { "step": "ruling", "text": "Ratha Saptamī, Fuzhou, 1961: Monday 23 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Ratha Saptamī 1961 falls on Monday 23 January. Saptamī runs from 12:48 on Sun 22 Jan to 12:13 on Mon 23 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-01-27", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28531, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-01-26T14:45:30+08:00", "utc": "1961-01-26T06:45:30Z", "ms": -281812470383.22546 }, "end": { "local": "1961-01-27T16:42:27+08:00", "utc": "1961-01-27T08:42:27Z", "ms": -281719053412.56274 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-26T14:45:30+08:00", "utc": "1961-01-26T06:45:30Z", "ms": -281812470383.22546 }, "end": { "local": "1961-01-27T16:42:27+08:00", "utc": "1961-01-27T08:42:27Z", "ms": -281719053412.56274 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-01-26", "window": { "start": { "local": "1961-01-26T06:49:59+08:00", "utc": "1961-01-25T22:49:59Z", "ms": -281841001270.81177 }, "end": { "local": "1961-01-26T06:49:59+08:00", "utc": "1961-01-25T22:49:59Z", "ms": -281841001270.81177 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-01-27", "window": { "start": { "local": "1961-01-27T06:49:39+08:00", "utc": "1961-01-26T22:49:39Z", "ms": -281754621454.0533 }, "end": { "local": "1961-01-27T06:49:39+08:00", "utc": "1961-01-26T22:49:39Z", "ms": -281754621454.0533 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:45 on Thu 26 Jan to 16:42 on Fri 27 Jan.", "fact": "1961-01-26T06:45:30Z → 1961-01-27T08:42:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:50 on the 26th and 06:50 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 28531 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Fuzhou, 1961: Friday 27 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": "1961-01-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Jayā Ekādaśī 1961 falls on Friday 27 January. Ekādaśī runs from 14:45 on Thu 26 Jan to 16:42 on Fri 27 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-01-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14566, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1961-01-27T16:42:27+08:00", "utc": "1961-01-27T08:42:27Z", "ms": -281719053412.56274 }, "end": { "local": "1961-01-28T19:00:09+08:00", "utc": "1961-01-28T11:00:09Z", "ms": -281624391273.115 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-27T16:42:27+08:00", "utc": "1961-01-27T08:42:27Z", "ms": -281719053412.56274 }, "end": { "local": "1961-01-28T19:00:09+08:00", "utc": "1961-01-28T11:00:09Z", "ms": -281624391273.115 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-01-27", "window": { "start": { "local": "1961-01-27T11:51:41+08:00", "utc": "1961-01-27T03:51:41Z", "ms": -281736499448.8624 }, "end": { "local": "1961-01-27T12:39:41+08:00", "utc": "1961-01-27T04:39:41Z", "ms": -281733619448.8624 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-01-28", "window": { "start": { "local": "1961-01-28T11:51:53+08:00", "utc": "1961-01-28T03:51:53Z", "ms": -281650087412.49023 }, "end": { "local": "1961-01-28T12:39:53+08:00", "utc": "1961-01-28T04:39:53Z", "ms": -281647207412.49023 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 16:42 on Fri 27 Jan to 19:00 on Sat 28 Jan.", "fact": "1961-01-27T08:42:27Z → 1961-01-28T11:00:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14566 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Fuzhou, 1961: Saturday 28 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhīṣma Dvādaśī 1961 falls on Saturday 28 January. Dvādaśī runs from 16:42 on Fri 27 Jan to 19:00 on Sat 28 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-01-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-29", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1631, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-01-28T19:00:09+08:00", "utc": "1961-01-28T11:00:09Z", "ms": -281624391273.115 }, "end": { "local": "1961-01-29T21:31:08+08:00", "utc": "1961-01-29T13:31:08Z", "ms": -281528931633.4426 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-28T19:00:09+08:00", "utc": "1961-01-28T11:00:09Z", "ms": -281624391273.115 }, "end": { "local": "1961-01-29T21:31:08+08:00", "utc": "1961-01-29T13:31:08Z", "ms": -281528931633.4426 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-01-28", "window": { "start": { "local": "1961-01-28T17:42:28+08:00", "utc": "1961-01-28T09:42:28Z", "ms": -281629051741.8375 }, "end": { "local": "1961-01-28T19:27:20+08:00", "utc": "1961-01-28T11:27:20Z", "ms": -281622760328.3972 } }, "covered_min": 27, "window_min": 105, "qualifies": true }, { "local_date": "1961-01-29", "window": { "start": { "local": "1961-01-29T17:43:14+08:00", "utc": "1961-01-29T09:43:14Z", "ms": -281542606266.3855 }, "end": { "local": "1961-01-29T19:27:56+08:00", "utc": "1961-01-29T11:27:56Z", "ms": -281536324178.8117 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:00 on Sat 28 Jan to 21:31 on Sun 29 Jan.", "fact": "1961-01-28T11:00:09Z → 1961-01-29T13:31:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:42–19:27 on the 28th, 17:43–19:28 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 27 of 105 minutes on the 28th and 105 of 105 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 1631 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Sunday 29 January.", "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": "1961-01-29", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-29", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Sunday 29 January. Trayodaśī runs from 19:00 on Sat 28 Jan to 21:31 on Sun 29 Jan and covers all of pradoṣa that evening. It also reaches the previous evening for 27 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/1961/pradosha-vrata?on=1961-01-29", "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/1961/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-01-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32750, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-01-31T00:08:41+08:00", "utc": "1961-01-30T16:08:41Z", "ms": -281433079366.77655 }, "end": { "local": "1961-02-01T02:46:42+08:00", "utc": "1961-01-31T18:46:42Z", "ms": -281337197670.2101 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1961-01-31T00:08:41+08:00", "utc": "1961-01-30T16:08:41Z", "ms": -281433079366.77655 }, "end": { "local": "1961-02-01T02:46:42+08:00", "utc": "1961-01-31T18:46:42Z", "ms": -281337197670.2101 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-01-31", "window": { "start": { "local": "1961-01-31T11:52:24+08:00", "utc": "1961-01-31T03:52:24Z", "ms": -281390856268.85345 }, "end": { "local": "1961-01-31T12:40:24+08:00", "utc": "1961-01-31T04:40:24Z", "ms": -281387976268.85345 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-02-01", "window": { "start": { "local": "1961-02-01T11:52:32+08:00", "utc": "1961-02-01T03:52:32Z", "ms": -281304447539.66925 }, "end": { "local": "1961-02-01T12:40:32+08:00", "utc": "1961-02-01T04:40:32Z", "ms": -281301567539.66925 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:09 on Tue 31 Jan to 02:47 on Wed 1 Feb.", "fact": "1961-01-30T16:08:41Z → 1961-01-31T18:46:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 31st, 11:53–12:41 on the 1st.", "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 31st and 0 of 48 on the 1st.", "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 32750 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Fuzhou, 1961: Tuesday 31 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-01-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-01-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Māghī Pūrṇimā 1961 falls on Tuesday 31 January. Pūrṇimā runs from 00:09 on Tue 31 Jan to 02:47 on Wed 1 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-02-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36995, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-02-04T09:46:11+08:00", "utc": "1961-02-04T01:46:11Z", "ms": -281052829347.26 }, "end": { "local": "1961-02-05T11:27:19+08:00", "utc": "1961-02-05T03:27:19Z", "ms": -280960360674.99963 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-02-04T09:46:11+08:00", "utc": "1961-02-04T01:46:11Z", "ms": -281052829347.26 }, "end": { "local": "1961-02-05T11:27:19+08:00", "utc": "1961-02-05T03:27:19Z", "ms": -280960360674.99963 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-02-04", "window": { "start": { "local": "1961-02-04T20:51:27+08:00", "utc": "1961-02-04T12:51:27Z", "ms": -281012913272.9426 }, "end": { "local": "1961-02-04T20:51:27+08:00", "utc": "1961-02-04T12:51:27Z", "ms": -281012913272.9426 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-02-05", "window": { "start": { "local": "1961-02-05T21:43:54+08:00", "utc": "1961-02-05T13:43:54Z", "ms": -280923365535.2891 }, "end": { "local": "1961-02-05T21:43:54+08:00", "utc": "1961-02-05T13:43:54Z", "ms": -280923365535.2891 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:46 on Sat 4 Feb to 11:27 on Sun 5 Feb.", "fact": "1961-02-04T01:46:11Z → 1961-02-05T03:27:19Z" }, { "step": "kaala", "text": "Moonrise is at 20:51 on the 4th and 21:44 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36995 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Saturday 4 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": "1961-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-02-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Saturday 4 February. Caturthī runs from 09:46 on Sat 4 Feb to 11:27 on Sun 5 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-02-11", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-02-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2584, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-02-11T08:40:55+08:00", "utc": "1961-02-11T00:40:55Z", "ms": -280451945041.1579 }, "end": { "local": "1961-02-12T05:58:09+08:00", "utc": "1961-02-11T21:58:09Z", "ms": -280375311133.7324 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-02-11T08:40:55+08:00", "utc": "1961-02-11T00:40:55Z", "ms": -280451945041.1579 }, "end": { "local": "1961-02-12T05:58:09+08:00", "utc": "1961-02-11T21:58:09Z", "ms": -280375311133.7324 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-02-11", "window": { "start": { "local": "1961-02-11T06:41:53+08:00", "utc": "1961-02-10T22:41:53Z", "ms": -280459086559.83167 }, "end": { "local": "1961-02-11T06:41:53+08:00", "utc": "1961-02-10T22:41:53Z", "ms": -280459086559.83167 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-02-12", "window": { "start": { "local": "1961-02-12T06:41:13+08:00", "utc": "1961-02-11T22:41:13Z", "ms": -280372727386.67236 }, "end": { "local": "1961-02-12T06:41:13+08:00", "utc": "1961-02-11T22:41:13Z", "ms": -280372727386.67236 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:41 on Sat 11 Feb to 05:58 on Sun 12 Feb.", "fact": "1961-02-11T00:40:55Z → 1961-02-11T21:58:09Z" }, { "step": "kaala", "text": "Sunrise is at 06:42 on the 11th and 06:41 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is not on the 12th.", "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 2584 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Fuzhou, 1961: Saturday 11 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": "1961-02-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-02-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Ekādaśī 1961 falls on Saturday 11 February. Ekādaśī runs from 08:41 on Sat 11 Feb to 05:58 on Sun 12 Feb, and is current at sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-02-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1888, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-02-13T23:21:25+08:00", "utc": "1961-02-13T15:21:25Z", "ms": -280226314832.0078 }, "end": { "local": "1961-02-14T19:45:19+08:00", "utc": "1961-02-14T11:45:19Z", "ms": -280152881235.0219 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-02-13T23:21:25+08:00", "utc": "1961-02-13T15:21:25Z", "ms": -280226314832.0078 }, "end": { "local": "1961-02-14T19:45:19+08:00", "utc": "1961-02-14T11:45:19Z", "ms": -280152881235.0219 } }, "kaala": "nishita", "days": [ { "local_date": "1961-02-13", "window": { "start": { "local": "1961-02-13T23:52:53+08:00", "utc": "1961-02-13T15:52:53Z", "ms": -280224426672.14526 }, "end": { "local": "1961-02-14T00:40:53+08:00", "utc": "1961-02-13T16:40:53Z", "ms": -280221546672.14526 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-02-14", "window": { "start": { "local": "1961-02-14T23:52:51+08:00", "utc": "1961-02-14T15:52:51Z", "ms": -280138028657.5293 }, "end": { "local": "1961-02-15T00:40:51+08:00", "utc": "1961-02-14T16:40:51Z", "ms": -280135148657.5293 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:21 on Mon 13 Feb to 19:45 on Tue 14 Feb.", "fact": "1961-02-13T15:21:25Z → 1961-02-14T11:45:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 13th, 23:53–00:41 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 1888 s" }, { "step": "ruling", "text": "Mahāśivarātri, Fuzhou, 1961: Monday 13 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-02-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāśivarātri 1961 falls on Monday 13 February. Caturdaśī runs from 23:21 on Mon 13 Feb to 19:45 on Tue 14 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-02-13", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-02-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13520, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-02-13T02:48:49+08:00", "utc": "1961-02-12T18:48:49Z", "ms": -280300270922.2848 }, "end": { "local": "1961-02-13T23:21:25+08:00", "utc": "1961-02-13T15:21:25Z", "ms": -280226314832.0078 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-02-13T02:48:49+08:00", "utc": "1961-02-12T18:48:49Z", "ms": -280300270922.2848 }, "end": { "local": "1961-02-13T23:21:25+08:00", "utc": "1961-02-13T15:21:25Z", "ms": -280226314832.0078 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-02-12", "window": { "start": { "local": "1961-02-12T17:53:18+08:00", "utc": "1961-02-12T09:53:18Z", "ms": -280332401527.6153 }, "end": { "local": "1961-02-12T19:35:36+08:00", "utc": "1961-02-12T11:35:36Z", "ms": -280326263898.60474 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1961-02-13", "window": { "start": { "local": "1961-02-13T17:53:59+08:00", "utc": "1961-02-13T09:53:59Z", "ms": -280245961035.7381 }, "end": { "local": "1961-02-13T19:36:05+08:00", "utc": "1961-02-13T11:36:05Z", "ms": -280239834538.78 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:49 on Mon 13 Feb to 23:21 on Mon 13 Feb.", "fact": "1961-02-12T18:48:49Z → 1961-02-13T15:21:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:36 on the 12th, 17:54–19:36 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī 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. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13520 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Monday 13 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": "1961-02-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-02-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Monday 13 February. Trayodaśī runs from 02:49 on Mon 13 Feb to 23:21 on Mon 13 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-02-13", "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/1961/vinayaka-chaturthi?on=1961-02-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16969, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-02-18T07:10:11+08:00", "utc": "1961-02-17T23:10:11Z", "ms": -279852588577.71124 }, "end": { "local": "1961-02-19T05:14:56+08:00", "utc": "1961-02-18T21:14:56Z", "ms": -279773104465.7827 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-02-18T07:10:11+08:00", "utc": "1961-02-17T23:10:11Z", "ms": -279852588577.71124 }, "end": { "local": "1961-02-19T05:14:56+08:00", "utc": "1961-02-18T21:14:56Z", "ms": -279773104465.7827 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-02-18", "window": { "start": { "local": "1961-02-18T11:53:00+08:00", "utc": "1961-02-18T03:53:00Z", "ms": -279835619768.2704 }, "end": { "local": "1961-02-18T12:41:00+08:00", "utc": "1961-02-18T04:41:00Z", "ms": -279832739768.2704 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-02-19", "window": { "start": { "local": "1961-02-19T11:52:55+08:00", "utc": "1961-02-19T03:52:55Z", "ms": -279749224841.5309 }, "end": { "local": "1961-02-19T12:40:55+08:00", "utc": "1961-02-19T04:40:55Z", "ms": -279746344841.5309 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:10 on Sat 18 Feb to 05:15 on Sun 19 Feb.", "fact": "1961-02-17T23:10:11Z → 1961-02-18T21:14:56Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 18th, 11:53–12:41 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 16969 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Saturday 18 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-02-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Saturday 18 February. Caturthī runs from 07:10 on Sat 18 Feb to 05:15 on Sun 19 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-02-26", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-02-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10071, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-02-25T09:18:41+08:00", "utc": "1961-02-25T01:18:41Z", "ms": -279240078880.5608 }, "end": { "local": "1961-02-26T11:52:19+08:00", "utc": "1961-02-26T03:52:19Z", "ms": -279144460595.8878 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-02-25T09:18:41+08:00", "utc": "1961-02-25T01:18:41Z", "ms": -279240078880.5608 }, "end": { "local": "1961-02-26T11:52:19+08:00", "utc": "1961-02-26T03:52:19Z", "ms": -279144460595.8878 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-02-25", "window": { "start": { "local": "1961-02-25T06:30:50+08:00", "utc": "1961-02-24T22:30:50Z", "ms": -279250150055.7138 }, "end": { "local": "1961-02-25T06:30:50+08:00", "utc": "1961-02-24T22:30:50Z", "ms": -279250150055.7138 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-02-26", "window": { "start": { "local": "1961-02-26T06:29:56+08:00", "utc": "1961-02-25T22:29:56Z", "ms": -279163804184.3769 }, "end": { "local": "1961-02-26T06:29:56+08:00", "utc": "1961-02-25T22:29:56Z", "ms": -279163804184.3769 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:19 on Sat 25 Feb to 11:52 on Sun 26 Feb.", "fact": "1961-02-25T01:18:41Z → 1961-02-26T03:52:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:31 on the 25th and 06:30 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10071 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Fuzhou, 1961: Sunday 26 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": "1961-02-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-02-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Āmalakī Ekādaśī 1961 falls on Sunday 26 February. Ekādaśī runs from 09:19 on Sat 25 Feb to 11:52 on Sun 26 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-02-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-02-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-02-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3355, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-02-27T14:31:56+08:00", "utc": "1961-02-27T06:31:56Z", "ms": -279048483961.6367 }, "end": { "local": "1961-02-28T17:07:20+08:00", "utc": "1961-02-28T09:07:20Z", "ms": -278952759837.8081 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-02-27T14:31:56+08:00", "utc": "1961-02-27T06:31:56Z", "ms": -279048483961.6367 }, "end": { "local": "1961-02-28T17:07:20+08:00", "utc": "1961-02-28T09:07:20Z", "ms": -278952759837.8081 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-02-27", "window": { "start": { "local": "1961-02-27T18:02:41+08:00", "utc": "1961-02-27T10:02:41Z", "ms": -279035839374.45795 }, "end": { "local": "1961-02-27T19:42:04+08:00", "utc": "1961-02-27T11:42:04Z", "ms": -279029876080.7674 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1961-02-28", "window": { "start": { "local": "1961-02-28T18:03:15+08:00", "utc": "1961-02-28T10:03:15Z", "ms": -278949405305.4517 }, "end": { "local": "1961-02-28T19:42:26+08:00", "utc": "1961-02-28T11:42:26Z", "ms": -278943454060.86505 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:32 on Mon 27 Feb to 17:07 on Tue 28 Feb.", "fact": "1961-02-27T06:31:56Z → 1961-02-28T09:07:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:03–19:42 on the 27th, 18:03–19:42 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 99 of 99 minutes on the 27th and 0 of 99 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3355 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Monday 27 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": "1961-02-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-02-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Monday 27 February. Trayodaśī runs from 14:32 on Mon 27 Feb to 17:07 on Tue 28 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-02-27", "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/1961/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5188, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-03-01T19:30:17+08:00", "utc": "1961-03-01T11:30:17Z", "ms": -278857783291.97253 }, "end": { "local": "1961-03-02T21:34:39+08:00", "utc": "1961-03-02T13:34:39Z", "ms": -278763921409.50726 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-03-01T19:30:17+08:00", "utc": "1961-03-01T11:30:17Z", "ms": -278857783291.97253 }, "end": { "local": "1961-03-02T21:34:39+08:00", "utc": "1961-03-02T13:34:39Z", "ms": -278763921409.50726 } }, "kaala": "sayahna", "days": [ { "local_date": "1961-03-01", "window": { "start": { "local": "1961-03-01T15:44:29+08:00", "utc": "1961-03-01T07:44:29Z", "ms": -278871331493.4536 }, "end": { "local": "1961-03-01T18:03:48+08:00", "utc": "1961-03-01T10:03:48Z", "ms": -278862971624.0541 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1961-03-02", "window": { "start": { "local": "1961-03-02T15:44:44+08:00", "utc": "1961-03-02T07:44:44Z", "ms": -278784916241.44543 }, "end": { "local": "1961-03-02T18:04:22+08:00", "utc": "1961-03-02T10:04:22Z", "ms": -278776538318.3146 } }, "covered_min": 140, "window_min": 140, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:30 on Wed 1 Mar to 21:35 on Thu 2 Mar.", "fact": "1961-03-01T11:30:17Z → 1961-03-02T13:34:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:44–18:04 on the 1st, 15:45–18:04 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 1st and 140 of 140 on the 2nd.", "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 5188 s" }, { "step": "ruling", "text": "Holikā Dahana, Fuzhou, 1961: Thursday 2 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": "1961-03-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Holikā Dahana 1961 falls on Thursday 2 March. Pūrṇimā runs from 19:30 on Wed 1 Mar to 21:35 on Thu 2 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5188, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-03-01T19:30:17+08:00", "utc": "1961-03-01T11:30:17Z", "ms": -278857783291.97253 }, "end": { "local": "1961-03-02T21:34:39+08:00", "utc": "1961-03-02T13:34:39Z", "ms": -278763921409.50726 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1961-03-01T19:30:17+08:00", "utc": "1961-03-01T11:30:17Z", "ms": -278857783291.97253 }, "end": { "local": "1961-03-02T21:34:39+08:00", "utc": "1961-03-02T13:34:39Z", "ms": -278763921409.50726 } }, "kaala": "sayahna", "days": [ { "local_date": "1961-03-01", "window": { "start": { "local": "1961-03-01T15:44:29+08:00", "utc": "1961-03-01T07:44:29Z", "ms": -278871331493.4536 }, "end": { "local": "1961-03-01T18:03:48+08:00", "utc": "1961-03-01T10:03:48Z", "ms": -278862971624.0541 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1961-03-02", "window": { "start": { "local": "1961-03-02T15:44:44+08:00", "utc": "1961-03-02T07:44:44Z", "ms": -278784916241.44543 }, "end": { "local": "1961-03-02T18:04:22+08:00", "utc": "1961-03-02T10:04:22Z", "ms": -278776538318.3146 } }, "covered_min": 140, "window_min": 140, "qualifies": true } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1961-03-02", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:30 on Wed 1 Mar to 21:35 on Thu 2 Mar.", "fact": "1961-03-01T11:30:17Z → 1961-03-02T13:34:39Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:44–18:04 on the 1st, 15:45–18:04 on the 2nd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 1st and 140 of 140 on the 2nd.", "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 5188 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Thursday 2 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Fuzhou, 1961: Friday 3 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": "1961-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Holī 1961 falls on Friday 3 March. It is kept the day after Holikā Dahana, which falls on Thursday 2 March. Pūrṇimā runs from 19:30 on Wed 1 Mar to 21:35 on Thu 2 Mar and covers all of sāyāhna on the 2nd.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25684, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1961-03-02T21:34:39+08:00", "utc": "1961-03-02T13:34:39Z", "ms": -278763921409.50726 }, "end": { "local": "1961-03-03T23:16:12+08:00", "utc": "1961-03-03T15:16:12Z", "ms": -278671427530.7586 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-02T21:34:39+08:00", "utc": "1961-03-02T13:34:39Z", "ms": -278763921409.50726 }, "end": { "local": "1961-03-03T23:16:12+08:00", "utc": "1961-03-03T15:16:12Z", "ms": -278671427530.7586 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-03-03", "window": { "start": { "local": "1961-03-03T06:25:14+08:00", "utc": "1961-03-02T22:25:14Z", "ms": -278732085530.2545 }, "end": { "local": "1961-03-03T06:25:14+08:00", "utc": "1961-03-02T22:25:14Z", "ms": -278732085530.2545 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-03-04", "window": { "start": { "local": "1961-03-04T06:24:16+08:00", "utc": "1961-03-03T22:24:16Z", "ms": -278645743729.41846 }, "end": { "local": "1961-03-04T06:24:16+08:00", "utc": "1961-03-03T22:24:16Z", "ms": -278645743729.41846 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 21:35 on Thu 2 Mar to 23:16 on Fri 3 Mar.", "fact": "1961-03-02T13:34:39Z → 1961-03-03T15:16:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 3rd and 06:24 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā 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: purvaviddha → only-day · margin 25684 s" }, { "step": "ruling", "text": "Vasantotsava, Fuzhou, 1961: Friday 3 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": "1961-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasantotsava 1961 falls on Friday 3 March. Pratipadā runs from 21:35 on Thu 2 Mar to 23:16 on Fri 3 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-03-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15141, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-03-06T01:20:44+08:00", "utc": "1961-03-05T17:20:44Z", "ms": -278491155661.82684 }, "end": { "local": "1961-03-07T01:40:38+08:00", "utc": "1961-03-06T17:40:38Z", "ms": -278403562098.0157 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-06T01:20:44+08:00", "utc": "1961-03-05T17:20:44Z", "ms": -278491155661.82684 }, "end": { "local": "1961-03-07T01:40:38+08:00", "utc": "1961-03-06T17:40:38Z", "ms": -278403562098.0157 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-03-05", "window": { "start": { "local": "1961-03-05T20:33:27+08:00", "utc": "1961-03-05T12:33:27Z", "ms": -278508393359.6679 }, "end": { "local": "1961-03-05T20:33:27+08:00", "utc": "1961-03-05T12:33:27Z", "ms": -278508393359.6679 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-03-06", "window": { "start": { "local": "1961-03-06T21:28:16+08:00", "utc": "1961-03-06T13:28:16Z", "ms": -278418703566.1875 }, "end": { "local": "1961-03-06T21:28:16+08:00", "utc": "1961-03-06T13:28:16Z", "ms": -278418703566.1875 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:21 on Mon 6 Mar to 01:41 on Tue 7 Mar.", "fact": "1961-03-05T17:20:44Z → 1961-03-06T17:40:38Z" }, { "step": "kaala", "text": "Moonrise is at 20:33 on the 5th and 21:28 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 5th and is on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15141 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Monday 6 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": "1961-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Monday 6 March. Caturthī runs from 01:21 on Mon 6 Mar to 01:41 on Tue 7 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-03-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34058, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-03-09T23:42:36+08:00", "utc": "1961-03-09T15:42:36Z", "ms": -278151443946.22375 }, "end": { "local": "1961-03-10T22:05:04+08:00", "utc": "1961-03-10T14:05:04Z", "ms": -278070896253.68774 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-09T23:42:36+08:00", "utc": "1961-03-09T15:42:36Z", "ms": -278151443946.22375 }, "end": { "local": "1961-03-10T22:05:04+08:00", "utc": "1961-03-10T14:05:04Z", "ms": -278070896253.68774 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-09", "window": { "start": { "local": "1961-03-09T11:49:41+08:00", "utc": "1961-03-09T03:49:41Z", "ms": -278194218630.3657 }, "end": { "local": "1961-03-09T12:37:41+08:00", "utc": "1961-03-09T04:37:41Z", "ms": -278191338630.3657 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-03-10", "window": { "start": { "local": "1961-03-10T11:49:26+08:00", "utc": "1961-03-10T03:49:26Z", "ms": -278107833822.40186 }, "end": { "local": "1961-03-10T12:37:26+08:00", "utc": "1961-03-10T04:37:26Z", "ms": -278104953822.40186 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 23:43 on Thu 9 Mar to 22:05 on Fri 10 Mar.", "fact": "1961-03-09T15:42:36Z → 1961-03-10T14:05:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 9th, 11:49–12:37 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34058 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Fuzhou, 1961: Friday 10 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitalashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Sitalastami, (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalāṣṭamī 1961 falls on Friday 10 March. Aṣṭamī runs from 23:43 on Thu 9 Mar to 22:05 on Fri 10 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-03-13", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30809, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-03-12T17:34:09+08:00", "utc": "1961-03-12T09:34:09Z", "ms": -277914350618.3386 }, "end": { "local": "1961-03-13T14:48:39+08:00", "utc": "1961-03-13T06:48:39Z", "ms": -277837880577.5733 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-12T17:34:09+08:00", "utc": "1961-03-12T09:34:09Z", "ms": -277914350618.3386 }, "end": { "local": "1961-03-13T14:48:39+08:00", "utc": "1961-03-13T06:48:39Z", "ms": -277837880577.5733 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-03-12", "window": { "start": { "local": "1961-03-12T06:16:13+08:00", "utc": "1961-03-11T22:16:13Z", "ms": -277955027397.93365 }, "end": { "local": "1961-03-12T06:16:13+08:00", "utc": "1961-03-11T22:16:13Z", "ms": -277955027397.93365 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-03-13", "window": { "start": { "local": "1961-03-13T06:15:10+08:00", "utc": "1961-03-12T22:15:10Z", "ms": -277868689676.7658 }, "end": { "local": "1961-03-13T06:15:10+08:00", "utc": "1961-03-12T22:15:10Z", "ms": -277868689676.7658 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:34 on Sun 12 Mar to 14:49 on Mon 13 Mar.", "fact": "1961-03-12T09:34:09Z → 1961-03-13T06:48:39Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 12th and 06:15 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 30809 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Fuzhou, 1961: Monday 13 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": "1961-03-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāpamocanī Ekādaśī 1961 falls on Monday 13 March. Ekādaśī runs from 17:34 on Sun 12 Mar to 14:49 on Mon 13 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-03-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-03-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22815, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-03-14T11:50:22+08:00", "utc": "1961-03-14T03:50:22Z", "ms": -277762178062.20807 }, "end": { "local": "1961-03-15T08:46:03+08:00", "utc": "1961-03-15T00:46:03Z", "ms": -277686836709.6233 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-14T11:50:22+08:00", "utc": "1961-03-14T03:50:22Z", "ms": -277762178062.20807 }, "end": { "local": "1961-03-15T08:46:03+08:00", "utc": "1961-03-15T00:46:03Z", "ms": -277686836709.6233 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-03-14", "window": { "start": { "local": "1961-03-14T18:10:37+08:00", "utc": "1961-03-14T10:10:37Z", "ms": -277739362982.2643 }, "end": { "local": "1961-03-14T19:46:57+08:00", "utc": "1961-03-14T11:46:57Z", "ms": -277733583271.15533 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1961-03-15", "window": { "start": { "local": "1961-03-15T18:11:07+08:00", "utc": "1961-03-15T10:11:07Z", "ms": -277652933339.3634 }, "end": { "local": "1961-03-15T19:47:14+08:00", "utc": "1961-03-15T11:47:14Z", "ms": -277647165999.9632 } }, "covered_min": 0, "window_min": 96, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:50 on Tue 14 Mar to 08:46 on Wed 15 Mar.", "fact": "1961-03-14T03:50:22Z → 1961-03-15T00:46:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:47 on the 14th, 18:11–19:47 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 96 of 96 minutes on the 14th and 0 of 96 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 22815 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Tuesday 14 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": "1961-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Tuesday 14 March. Trayodaśī runs from 11:50 on Tue 14 Mar to 08:46 on Wed 15 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-03-14", "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/1961/shivaratri?on=1961-03-15", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18468, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-03-15T08:46:03+08:00", "utc": "1961-03-15T00:46:03Z", "ms": -277686836709.6233 }, "end": { "local": "1961-03-16T05:43:22+08:00", "utc": "1961-03-15T21:43:22Z", "ms": -277611397852.08606 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-15T08:46:03+08:00", "utc": "1961-03-15T00:46:03Z", "ms": -277686836709.6233 }, "end": { "local": "1961-03-16T05:43:22+08:00", "utc": "1961-03-15T21:43:22Z", "ms": -277611397852.08606 } }, "kaala": "nishita", "days": [ { "local_date": "1961-03-14", "window": { "start": { "local": "1961-03-14T23:47:51+08:00", "utc": "1961-03-14T15:47:51Z", "ms": -277719129065.6058 }, "end": { "local": "1961-03-15T00:35:51+08:00", "utc": "1961-03-14T16:35:51Z", "ms": -277716249065.6058 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-03-15", "window": { "start": { "local": "1961-03-15T23:47:34+08:00", "utc": "1961-03-15T15:47:34Z", "ms": -277632745816.6127 }, "end": { "local": "1961-03-16T00:35:34+08:00", "utc": "1961-03-15T16:35:34Z", "ms": -277629865816.6127 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:46 on Wed 15 Mar to 05:43 on Thu 16 Mar.", "fact": "1961-03-15T00:46:03Z → 1961-03-15T21:43:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 14th, 23:48–00:36 on the 15th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18468 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Wednesday 15 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Wednesday 15 March. Caturdaśī runs from 08:46 on Wed 15 Mar to 05:43 on Thu 16 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-03-15", "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/1961/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32216, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1961-03-17T02:50:36+08:00", "utc": "1961-03-16T18:50:36Z", "ms": -277535364224.1277 }, "end": { "local": "1961-03-18T00:16:22+08:00", "utc": "1961-03-17T16:16:22Z", "ms": -277458217793.8869 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-17T02:50:36+08:00", "utc": "1961-03-16T18:50:36Z", "ms": -277535364224.1277 }, "end": { "local": "1961-03-18T00:16:22+08:00", "utc": "1961-03-17T16:16:22Z", "ms": -277458217793.8869 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-17", "window": { "start": { "local": "1961-03-17T11:47:32+08:00", "utc": "1961-03-17T03:47:32Z", "ms": -277503148168.75024 }, "end": { "local": "1961-03-17T12:35:32+08:00", "utc": "1961-03-17T04:35:32Z", "ms": -277500268168.75024 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-03-18", "window": { "start": { "local": "1961-03-18T11:47:15+08:00", "utc": "1961-03-18T03:47:15Z", "ms": -277416765443.702 }, "end": { "local": "1961-03-18T12:35:15+08:00", "utc": "1961-03-18T04:35:15Z", "ms": -277413885443.702 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:51 on Fri 17 Mar to 00:16 on Sat 18 Mar.", "fact": "1961-03-16T18:50:36Z → 1961-03-17T16:16:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 17th, 11:47–12:35 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32216 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Fuzhou, 1961: Friday 17 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 1961 falls on Friday 17 March. Pratipadā runs from 02:51 on Fri 17 Mar to 00:16 on Sat 18 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28937, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1961-03-18T22:09:16+08:00", "utc": "1961-03-18T14:09:16Z", "ms": -277379444045.23566 }, "end": { "local": "1961-03-19T20:37:14+08:00", "utc": "1961-03-19T12:37:14Z", "ms": -277298565673.78625 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-18T22:09:16+08:00", "utc": "1961-03-18T14:09:16Z", "ms": -277379444045.23566 }, "end": { "local": "1961-03-19T20:37:14+08:00", "utc": "1961-03-19T12:37:14Z", "ms": -277298565673.78625 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-18", "window": { "start": { "local": "1961-03-18T11:47:15+08:00", "utc": "1961-03-18T03:47:15Z", "ms": -277416765443.702 }, "end": { "local": "1961-03-18T12:35:15+08:00", "utc": "1961-03-18T04:35:15Z", "ms": -277413885443.702 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-03-19", "window": { "start": { "local": "1961-03-19T11:46:57+08:00", "utc": "1961-03-19T03:46:57Z", "ms": -277330382905.95483 }, "end": { "local": "1961-03-19T12:34:57+08:00", "utc": "1961-03-19T04:34:57Z", "ms": -277327502905.95483 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:09 on Sat 18 Mar to 20:37 on Sun 19 Mar.", "fact": "1961-03-18T14:09:16Z → 1961-03-19T12:37:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 18th, 11:47–12:35 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28937 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Fuzhou, 1961: Sunday 19 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 1961 falls on Sunday 19 March. Tṛtīyā runs from 22:09 on Sat 18 Mar to 20:37 on Sun 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28937, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1961-03-18T22:09:16+08:00", "utc": "1961-03-18T14:09:16Z", "ms": -277379444045.23566 }, "end": { "local": "1961-03-19T20:37:14+08:00", "utc": "1961-03-19T12:37:14Z", "ms": -277298565673.78625 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-18T22:09:16+08:00", "utc": "1961-03-18T14:09:16Z", "ms": -277379444045.23566 }, "end": { "local": "1961-03-19T20:37:14+08:00", "utc": "1961-03-19T12:37:14Z", "ms": -277298565673.78625 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-18", "window": { "start": { "local": "1961-03-18T11:47:15+08:00", "utc": "1961-03-18T03:47:15Z", "ms": -277416765443.702 }, "end": { "local": "1961-03-18T12:35:15+08:00", "utc": "1961-03-18T04:35:15Z", "ms": -277413885443.702 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-03-19", "window": { "start": { "local": "1961-03-19T11:46:57+08:00", "utc": "1961-03-19T03:46:57Z", "ms": -277330382905.95483 }, "end": { "local": "1961-03-19T12:34:57+08:00", "utc": "1961-03-19T04:34:57Z", "ms": -277327502905.95483 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 22:09 on Sat 18 Mar to 20:37 on Sun 19 Mar.", "fact": "1961-03-18T14:09:16Z → 1961-03-19T12:37:14Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 18th, 11:47–12:35 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28937 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Fuzhou, 1961: Sunday 19 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Saubhāgya Śayana Vrata 1961 falls on Sunday 19 March. Tṛtīyā runs from 22:09 on Sat 18 Mar to 20:37 on Sun 19 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vinayaka-chaturthi?on=1961-03-20", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25933, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-03-19T20:37:14+08:00", "utc": "1961-03-19T12:37:14Z", "ms": -277298565673.78625 }, "end": { "local": "1961-03-20T19:46:52+08:00", "utc": "1961-03-20T11:46:52Z", "ms": -277215187984.32135 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-19T20:37:14+08:00", "utc": "1961-03-19T12:37:14Z", "ms": -277298565673.78625 }, "end": { "local": "1961-03-20T19:46:52+08:00", "utc": "1961-03-20T11:46:52Z", "ms": -277215187984.32135 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-19", "window": { "start": { "local": "1961-03-19T11:46:57+08:00", "utc": "1961-03-19T03:46:57Z", "ms": -277330382905.95483 }, "end": { "local": "1961-03-19T12:34:57+08:00", "utc": "1961-03-19T04:34:57Z", "ms": -277327502905.95483 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-03-20", "window": { "start": { "local": "1961-03-20T11:46:39+08:00", "utc": "1961-03-20T03:46:39Z", "ms": -277244000538.7981 }, "end": { "local": "1961-03-20T12:34:39+08:00", "utc": "1961-03-20T04:34:39Z", "ms": -277241120538.7981 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:37 on Sun 19 Mar to 19:47 on Mon 20 Mar.", "fact": "1961-03-19T12:37:14Z → 1961-03-20T11:46:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 19th, 11:47–12:35 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25933 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Monday 20 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": "1961-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Monday 20 March. Caturthī runs from 20:37 on Sun 19 Mar to 19:47 on Mon 20 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-03-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25683, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1961-03-20T19:46:52+08:00", "utc": "1961-03-20T11:46:52Z", "ms": -277215187984.32135 }, "end": { "local": "1961-03-21T19:42:25+08:00", "utc": "1961-03-21T11:42:25Z", "ms": -277129055299.8973 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-20T19:46:52+08:00", "utc": "1961-03-20T11:46:52Z", "ms": -277215187984.32135 }, "end": { "local": "1961-03-21T19:42:25+08:00", "utc": "1961-03-21T11:42:25Z", "ms": -277129055299.8973 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-20", "window": { "start": { "local": "1961-03-20T11:46:39+08:00", "utc": "1961-03-20T03:46:39Z", "ms": -277244000538.7981 }, "end": { "local": "1961-03-20T12:34:39+08:00", "utc": "1961-03-20T04:34:39Z", "ms": -277241120538.7981 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-03-21", "window": { "start": { "local": "1961-03-21T11:46:22+08:00", "utc": "1961-03-21T03:46:22Z", "ms": -277157618324.64795 }, "end": { "local": "1961-03-21T12:34:22+08:00", "utc": "1961-03-21T04:34:22Z", "ms": -277154738324.64795 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 19:47 on Mon 20 Mar to 19:42 on Tue 21 Mar.", "fact": "1961-03-20T11:46:52Z → 1961-03-21T11:42:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 20th, 11:46–12:34 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25683 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Fuzhou, 1961: Tuesday 21 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pañcamī 1961 falls on Tuesday 21 March. Pañcamī runs from 19:47 on Mon 20 Mar to 19:42 on Tue 21 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33424, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-03-23T21:50:49+08:00", "utc": "1961-03-23T13:50:49Z", "ms": -276948550521.11115 }, "end": { "local": "1961-03-24T23:52:48+08:00", "utc": "1961-03-24T15:52:48Z", "ms": -276854832312.5785 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-23T21:50:49+08:00", "utc": "1961-03-23T13:50:49Z", "ms": -276948550521.11115 }, "end": { "local": "1961-03-24T23:52:48+08:00", "utc": "1961-03-24T15:52:48Z", "ms": -276854832312.5785 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-23", "window": { "start": { "local": "1961-03-23T11:45:46+08:00", "utc": "1961-03-23T03:45:46Z", "ms": -276984854280.80444 }, "end": { "local": "1961-03-23T12:33:46+08:00", "utc": "1961-03-23T04:33:46Z", "ms": -276981974280.80444 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-03-24", "window": { "start": { "local": "1961-03-24T11:45:28+08:00", "utc": "1961-03-24T03:45:28Z", "ms": -276898472412.0305 }, "end": { "local": "1961-03-24T12:33:28+08:00", "utc": "1961-03-24T04:33:28Z", "ms": -276895592412.0305 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:51 on Thu 23 Mar to 23:53 on Fri 24 Mar.", "fact": "1961-03-23T13:50:49Z → 1961-03-24T15:52:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 23rd, 11:45–12:33 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33424 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Fuzhou, 1961: Friday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhavānī Utpatti 1961 falls on Friday 24 March. Aṣṭamī runs from 21:51 on Thu 23 Mar to 23:53 on Fri 24 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33941, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1961-03-24T23:52:48+08:00", "utc": "1961-03-24T15:52:48Z", "ms": -276854832312.5785 }, "end": { "local": "1961-03-26T02:19:11+08:00", "utc": "1961-03-25T18:19:11Z", "ms": -276759649490.03784 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-24T23:52:48+08:00", "utc": "1961-03-24T15:52:48Z", "ms": -276854832312.5785 }, "end": { "local": "1961-03-26T02:19:11+08:00", "utc": "1961-03-25T18:19:11Z", "ms": -276759649490.03784 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-25", "window": { "start": { "local": "1961-03-25T11:45:09+08:00", "utc": "1961-03-25T03:45:09Z", "ms": -276812090618.35315 }, "end": { "local": "1961-03-25T12:33:09+08:00", "utc": "1961-03-25T04:33:09Z", "ms": -276809210618.35315 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-03-26", "window": { "start": { "local": "1961-03-26T11:44:51+08:00", "utc": "1961-03-26T03:44:51Z", "ms": -276725708878.964 }, "end": { "local": "1961-03-26T12:32:51+08:00", "utc": "1961-03-26T04:32:51Z", "ms": -276722828878.964 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 23:53 on Fri 24 Mar to 02:19 on Sun 26 Mar.", "fact": "1961-03-24T15:52:48Z → 1961-03-25T18:19:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:45–12:33 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33941 s" }, { "step": "ruling", "text": "Rāma Navamī, Fuzhou, 1961: Saturday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāma Navamī 1961 falls on Saturday 25 March. Navamī runs from 23:53 on Fri 24 Mar to 02:19 on Sun 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-03-28", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3853, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-03-27T04:56:04+08:00", "utc": "1961-03-26T20:56:04Z", "ms": -276663836396.21405 }, "end": { "local": "1961-03-28T07:29:16+08:00", "utc": "1961-03-27T23:29:16Z", "ms": -276568243979.2054 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-27T04:56:04+08:00", "utc": "1961-03-26T20:56:04Z", "ms": -276663836396.21405 }, "end": { "local": "1961-03-28T07:29:16+08:00", "utc": "1961-03-27T23:29:16Z", "ms": -276568243979.2054 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-03-27", "window": { "start": { "local": "1961-03-27T06:00:17+08:00", "utc": "1961-03-26T22:00:17Z", "ms": -276659983493.5832 }, "end": { "local": "1961-03-27T06:00:17+08:00", "utc": "1961-03-26T22:00:17Z", "ms": -276659983493.5832 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-03-28", "window": { "start": { "local": "1961-03-28T05:59:12+08:00", "utc": "1961-03-27T21:59:12Z", "ms": -276573647891.97125 }, "end": { "local": "1961-03-28T05:59:12+08:00", "utc": "1961-03-27T21:59:12Z", "ms": -276573647891.97125 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:56 on Mon 27 Mar to 07:29 on Tue 28 Mar.", "fact": "1961-03-26T20:56:04Z → 1961-03-27T23:29:16Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 27th and 05:59 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 3853 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Fuzhou, 1961: Tuesday 28 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": "1961-03-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmadā Ekādaśī 1961 falls on Tuesday 28 March. Ekādaśī runs from 04:56 on Mon 27 Mar to 07:29 on Tue 28 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-03-28", "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/1961/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 328, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-03-29T09:46:23+08:00", "utc": "1961-03-29T01:46:23Z", "ms": -276473617214.11847 }, "end": { "local": "1961-03-30T11:38:10+08:00", "utc": "1961-03-30T03:38:10Z", "ms": -276380510150.85565 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-29T09:46:23+08:00", "utc": "1961-03-29T01:46:23Z", "ms": -276473617214.11847 }, "end": { "local": "1961-03-30T11:38:10+08:00", "utc": "1961-03-30T03:38:10Z", "ms": -276380510150.85565 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-29", "window": { "start": { "local": "1961-03-29T11:43:56+08:00", "utc": "1961-03-29T03:43:56Z", "ms": -276466563773.12085 }, "end": { "local": "1961-03-29T12:31:56+08:00", "utc": "1961-03-29T04:31:56Z", "ms": -276463683773.12085 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-03-30", "window": { "start": { "local": "1961-03-30T11:43:38+08:00", "utc": "1961-03-30T03:43:38Z", "ms": -276380182035.84375 }, "end": { "local": "1961-03-30T12:31:38+08:00", "utc": "1961-03-30T04:31:38Z", "ms": -276377302035.84375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:46 on Wed 29 Mar to 11:38 on Thu 30 Mar.", "fact": "1961-03-29T01:46:23Z → 1961-03-30T03:38:10Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 29th, 11:44–12:32 on the 30th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 328 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Fuzhou, 1961: Wednesday 29 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Anaṅga Trayodaśī 1961 falls on Wednesday 29 March. Trayodaśī runs from 09:46 on Wed 29 Mar to 11:38 on Thu 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-03-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24003, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-03-29T09:46:23+08:00", "utc": "1961-03-29T01:46:23Z", "ms": -276473617214.11847 }, "end": { "local": "1961-03-30T11:38:10+08:00", "utc": "1961-03-30T03:38:10Z", "ms": -276380510150.85565 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-29T09:46:23+08:00", "utc": "1961-03-29T01:46:23Z", "ms": -276473617214.11847 }, "end": { "local": "1961-03-30T11:38:10+08:00", "utc": "1961-03-30T03:38:10Z", "ms": -276380510150.85565 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-03-29", "window": { "start": { "local": "1961-03-29T18:17:45+08:00", "utc": "1961-03-29T10:17:45Z", "ms": -276442935327.4661 }, "end": { "local": "1961-03-29T19:50:59+08:00", "utc": "1961-03-29T11:50:59Z", "ms": -276437340809.83795 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1961-03-30", "window": { "start": { "local": "1961-03-30T18:18:12+08:00", "utc": "1961-03-30T10:18:12Z", "ms": -276356507626.43274 }, "end": { "local": "1961-03-30T19:51:15+08:00", "utc": "1961-03-30T11:51:15Z", "ms": -276350925348.5652 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:46 on Wed 29 Mar to 11:38 on Thu 30 Mar.", "fact": "1961-03-29T01:46:23Z → 1961-03-30T03:38:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:18–19:51 on the 29th, 18:18–19:51 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 93 of 93 minutes on the 29th and 0 of 93 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 24003 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Wednesday 29 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": "1961-03-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Wednesday 29 March. Trayodaśī runs from 09:46 on Wed 29 Mar to 11:38 on Thu 30 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-03-29", "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/1961/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 328, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-03-30T11:38:10+08:00", "utc": "1961-03-30T03:38:10Z", "ms": -276380510150.85565 }, "end": { "local": "1961-03-31T12:59:06+08:00", "utc": "1961-03-31T04:59:06Z", "ms": -276289253986.15155 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-30T11:38:10+08:00", "utc": "1961-03-30T03:38:10Z", "ms": -276380510150.85565 }, "end": { "local": "1961-03-31T12:59:06+08:00", "utc": "1961-03-31T04:59:06Z", "ms": -276289253986.15155 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-30", "window": { "start": { "local": "1961-03-30T11:43:38+08:00", "utc": "1961-03-30T03:43:38Z", "ms": -276380182035.84375 }, "end": { "local": "1961-03-30T12:31:38+08:00", "utc": "1961-03-30T04:31:38Z", "ms": -276377302035.84375 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-03-31", "window": { "start": { "local": "1961-03-31T11:43:20+08:00", "utc": "1961-03-31T03:43:20Z", "ms": -276293800243.74133 }, "end": { "local": "1961-03-31T12:31:20+08:00", "utc": "1961-03-31T04:31:20Z", "ms": -276290920243.74133 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:38 on Thu 30 Mar to 12:59 on Fri 31 Mar.", "fact": "1961-03-30T03:38:10Z → 1961-03-31T04:59:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:43–12:31 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 328 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 1961: Friday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-03-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 1961 falls on Friday 31 March. Caturdaśī runs from 11:38 on Thu 30 Mar to 12:59 on Fri 31 Mar 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/1961/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/1961/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1666, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-03-31T12:59:06+08:00", "utc": "1961-03-31T04:59:06Z", "ms": -276289253986.15155 }, "end": { "local": "1961-04-01T13:47:08+08:00", "utc": "1961-04-01T05:47:08Z", "ms": -276199971975.9087 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1961-03-31T12:59:06+08:00", "utc": "1961-03-31T04:59:06Z", "ms": -276289253986.15155 }, "end": { "local": "1961-04-01T13:47:08+08:00", "utc": "1961-04-01T05:47:08Z", "ms": -276199971975.9087 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-03-31", "window": { "start": { "local": "1961-03-31T11:43:20+08:00", "utc": "1961-03-31T03:43:20Z", "ms": -276293800243.74133 }, "end": { "local": "1961-03-31T12:31:20+08:00", "utc": "1961-03-31T04:31:20Z", "ms": -276290920243.74133 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-04-01", "window": { "start": { "local": "1961-04-01T11:43:02+08:00", "utc": "1961-04-01T03:43:02Z", "ms": -276207418374.1214 }, "end": { "local": "1961-04-01T12:31:02+08:00", "utc": "1961-04-01T04:31:02Z", "ms": -276204538374.1214 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 12:59 on Fri 31 Mar to 13:47 on Sat 1 Apr.", "fact": "1961-03-31T04:59:06Z → 1961-04-01T05:47:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 31st, 11:43–12:31 on the 1st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1666 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Fuzhou, 1961: Saturday 1 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": "1961-04-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Caitrī Pūrṇimā 1961 falls on Saturday 1 April. Pūrṇimā runs from 12:59 on Fri 31 Mar to 13:47 on Sat 1 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-04-04", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29295, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-04-04T13:08:54+08:00", "utc": "1961-04-04T05:08:54Z", "ms": -275943066078.9932 }, "end": { "local": "1961-04-05T12:06:15+08:00", "utc": "1961-04-05T04:06:15Z", "ms": -275860425326.4164 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-04T13:08:54+08:00", "utc": "1961-04-04T05:08:54Z", "ms": -275943066078.9932 }, "end": { "local": "1961-04-05T12:06:15+08:00", "utc": "1961-04-05T04:06:15Z", "ms": -275860425326.4164 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-04-04", "window": { "start": { "local": "1961-04-04T21:17:09+08:00", "utc": "1961-04-04T13:17:09Z", "ms": -275913770981.24506 }, "end": { "local": "1961-04-04T21:17:09+08:00", "utc": "1961-04-04T13:17:09Z", "ms": -275913770981.24506 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-04-05", "window": { "start": { "local": "1961-04-05T22:16:14+08:00", "utc": "1961-04-05T14:16:14Z", "ms": -275823825656.9381 }, "end": { "local": "1961-04-05T22:16:14+08:00", "utc": "1961-04-05T14:16:14Z", "ms": -275823825656.9381 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:09 on Tue 4 Apr to 12:06 on Wed 5 Apr.", "fact": "1961-04-04T05:08:54Z → 1961-04-05T04:06:15Z" }, { "step": "kaala", "text": "Moonrise is at 21:17 on the 4th and 22:16 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29295 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Tuesday 4 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": "1961-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Tuesday 4 April. Caturthī runs from 13:09 on Tue 4 Apr to 12:06 on Wed 5 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-04-11", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18155, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-04-11T00:41:56+08:00", "utc": "1961-04-10T16:41:56Z", "ms": -275383083643.62524 }, "end": { "local": "1961-04-11T22:18:39+08:00", "utc": "1961-04-11T14:18:39Z", "ms": -275305280786.3753 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-11T00:41:56+08:00", "utc": "1961-04-10T16:41:56Z", "ms": -275383083643.62524 }, "end": { "local": "1961-04-11T22:18:39+08:00", "utc": "1961-04-11T14:18:39Z", "ms": -275305280786.3753 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-04-11", "window": { "start": { "local": "1961-04-11T05:44:31+08:00", "utc": "1961-04-10T21:44:31Z", "ms": -275364928755.6679 }, "end": { "local": "1961-04-11T05:44:31+08:00", "utc": "1961-04-10T21:44:31Z", "ms": -275364928755.6679 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-04-12", "window": { "start": { "local": "1961-04-12T05:43:31+08:00", "utc": "1961-04-11T21:43:31Z", "ms": -275278589061.43896 }, "end": { "local": "1961-04-12T05:43:31+08:00", "utc": "1961-04-11T21:43:31Z", "ms": -275278589061.43896 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:42 on Tue 11 Apr to 22:19 on Tue 11 Apr.", "fact": "1961-04-10T16:41:56Z → 1961-04-11T14:18:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:45 on the 11th and 05:44 on the 12th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18155 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Fuzhou, 1961: Tuesday 11 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": "1961-04-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Varūthinī Ekādaśī 1961 falls on Tuesday 11 April. Ekādaśī runs from 00:42 on Tue 11 Apr to 22:19 on Tue 11 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-04-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-04-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-12", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 24, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-04-12T19:55:06+08:00", "utc": "1961-04-12T11:55:06Z", "ms": -275227493547.1441 }, "end": { "local": "1961-04-13T17:36:15+08:00", "utc": "1961-04-13T09:36:15Z", "ms": -275149424732.4472 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-12T19:55:06+08:00", "utc": "1961-04-12T11:55:06Z", "ms": -275227493547.1441 }, "end": { "local": "1961-04-13T17:36:15+08:00", "utc": "1961-04-13T09:36:15Z", "ms": -275149424732.4472 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-04-12", "window": { "start": { "local": "1961-04-12T18:24:16+08:00", "utc": "1961-04-12T10:24:16Z", "ms": -275232943761.25665 }, "end": { "local": "1961-04-12T19:54:42+08:00", "utc": "1961-04-12T11:54:42Z", "ms": -275227517777.19116 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1961-04-13", "window": { "start": { "local": "1961-04-13T18:24:45+08:00", "utc": "1961-04-13T10:24:45Z", "ms": -275146515055.50446 }, "end": { "local": "1961-04-13T19:54:59+08:00", "utc": "1961-04-13T11:54:59Z", "ms": -275141100806.9978 } }, "covered_min": 0, "window_min": 90, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:55 on Wed 12 Apr to 17:36 on Thu 13 Apr.", "fact": "1961-04-12T11:55:06Z → 1961-04-13T09:36:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–19:55 on the 12th, 18:25–19:55 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 12th and 0 of 90 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 24 s < 300 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Wednesday 12 April.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-04-12", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Wednesday 12 April. Trayodaśī runs from 19:55 on Wed 12 Apr to 17:36 on Thu 13 Apr, and reaches pradoṣa on neither day. It is 0 min 24 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-04-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35369, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1961-04-13T19:52:03+08:00", "utc": "1961-04-13T11:52:03Z", "ms": -275141277442.36066 }, "end": { "local": "1961-05-14T16:49:47+08:00", "utc": "1961-05-14T08:49:47Z", "ms": -272473813079.21002 } }, "span": { "of": "transit", "start": { "local": "1961-04-13T19:52:03+08:00", "utc": "1961-04-13T11:52:03Z", "ms": -275141277442.36066 }, "end": { "local": "1961-04-13T19:52:03+08:00", "utc": "1961-04-13T11:52:03Z", "ms": -275141277442.36066 } }, "kaala": "day", "days": [ { "local_date": "1961-04-13", "window": { "start": { "local": "1961-04-13T05:42:31+08:00", "utc": "1961-04-12T21:42:31Z", "ms": -275192248880.7656 }, "end": { "local": "1961-04-14T05:41:32+08:00", "utc": "1961-04-13T21:41:32Z", "ms": -275105908191.70465 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1961-04-14", "window": { "start": { "local": "1961-04-14T05:41:32+08:00", "utc": "1961-04-13T21:41:32Z", "ms": -275105908191.70465 }, "end": { "local": "1961-04-15T05:40:33+08:00", "utc": "1961-04-14T21:40:33Z", "ms": -275019566972.9735 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 19:52 on Thu 13 Apr.", "fact": "1961-04-13T11:52:03Z · 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 35369 s" }, { "step": "ruling", "text": "Vaiśākhī, Fuzhou, 1961: Thursday 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": "1961-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1961-04-13", "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": "1961-04-14", "statement": "Past sunset, the next day (the Tamil rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } } ], "quote": "In Fuzhou, Vaiśākhī 1961 falls on Thursday 13 April. The Sun enters Meṣa at 19:52 on Thu 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/shivaratri?on=1961-04-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21773, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-04-13T17:36:15+08:00", "utc": "1961-04-13T09:36:15Z", "ms": -275149424732.4472 }, "end": { "local": "1961-04-14T15:28:05+08:00", "utc": "1961-04-14T07:28:05Z", "ms": -275070714795.5683 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-13T17:36:15+08:00", "utc": "1961-04-13T09:36:15Z", "ms": -275149424732.4472 }, "end": { "local": "1961-04-14T15:28:05+08:00", "utc": "1961-04-14T07:28:05Z", "ms": -275070714795.5683 } }, "kaala": "nishita", "days": [ { "local_date": "1961-04-13", "window": { "start": { "local": "1961-04-13T23:39:08+08:00", "utc": "1961-04-13T15:39:08Z", "ms": -275127651623.60455 }, "end": { "local": "1961-04-14T00:27:08+08:00", "utc": "1961-04-13T16:27:08Z", "ms": -275124771623.60455 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-04-14", "window": { "start": { "local": "1961-04-14T23:38:53+08:00", "utc": "1961-04-14T15:38:53Z", "ms": -275041266593.145 }, "end": { "local": "1961-04-15T00:26:53+08:00", "utc": "1961-04-14T16:26:53Z", "ms": -275038386593.145 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:36 on Thu 13 Apr to 15:28 on Fri 14 Apr.", "fact": "1961-04-13T09:36:15Z → 1961-04-14T07:28:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 13th, 23:39–00:27 on the 14th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21773 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Thursday 13 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": "1961-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Thursday 13 April. Caturdaśī runs from 17:36 on Thu 13 Apr to 15:28 on Fri 14 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-04-13", "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/1961/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25756, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1961-04-17T11:17:25+08:00", "utc": "1961-04-17T03:17:25Z", "ms": -274826554557.38336 }, "end": { "local": "1961-04-18T11:01:06+08:00", "utc": "1961-04-18T03:01:06Z", "ms": -274741133503.79108 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-17T11:17:25+08:00", "utc": "1961-04-17T03:17:25Z", "ms": -274826554557.38336 }, "end": { "local": "1961-04-18T11:01:06+08:00", "utc": "1961-04-18T03:01:06Z", "ms": -274741133503.79108 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-04-17", "window": { "start": { "local": "1961-04-17T18:26:41+08:00", "utc": "1961-04-17T10:26:41Z", "ms": -274800798856.0263 }, "end": { "local": "1961-04-17T19:56:09+08:00", "utc": "1961-04-17T11:56:09Z", "ms": -274795430999.00928 } }, "covered_min": 89, "window_min": 89, "qualifies": true }, { "local_date": "1961-04-18", "window": { "start": { "local": "1961-04-18T18:27:11+08:00", "utc": "1961-04-18T10:27:11Z", "ms": -274714369458.10913 }, "end": { "local": "1961-04-18T19:56:27+08:00", "utc": "1961-04-18T11:56:27Z", "ms": -274709013047.61328 } }, "covered_min": 0, "window_min": 89, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:17 on Mon 17 Apr to 11:01 on Tue 18 Apr.", "fact": "1961-04-17T03:17:25Z → 1961-04-18T03:01:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:56 on the 17th, 18:27–19:56 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 89 of 89 minutes on the 17th and 0 of 89 on the 18th.", "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 25756 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Fuzhou, 1961: Monday 17 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Jayantī 1961 falls on Monday 17 April. Tṛtīyā runs from 11:17 on Mon 17 Apr to 11:01 on Tue 18 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4016, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1961-04-17T11:17:25+08:00", "utc": "1961-04-17T03:17:25Z", "ms": -274826554557.38336 }, "end": { "local": "1961-04-18T11:01:06+08:00", "utc": "1961-04-18T03:01:06Z", "ms": -274741133503.79108 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-17T11:17:25+08:00", "utc": "1961-04-17T03:17:25Z", "ms": -274826554557.38336 }, "end": { "local": "1961-04-18T11:01:06+08:00", "utc": "1961-04-18T03:01:06Z", "ms": -274741133503.79108 } }, "kaala": "purvahna", "days": [ { "local_date": "1961-04-17", "window": { "start": { "local": "1961-04-17T05:38:37+08:00", "utc": "1961-04-16T21:38:37Z", "ms": -274846882862.51917 }, "end": { "local": "1961-04-17T09:54:38+08:00", "utc": "1961-04-17T01:54:38Z", "ms": -274831521527.02155 } }, "covered_min": 0, "window_min": 256, "qualifies": false }, { "local_date": "1961-04-18", "window": { "start": { "local": "1961-04-18T05:37:40+08:00", "utc": "1961-04-17T21:37:40Z", "ms": -274760539928.39856 }, "end": { "local": "1961-04-18T09:54:10+08:00", "utc": "1961-04-18T01:54:10Z", "ms": -274745149771.6354 } }, "covered_min": 257, "window_min": 257, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:17 on Mon 17 Apr to 11:01 on Tue 18 Apr.", "fact": "1961-04-17T03:17:25Z → 1961-04-18T03:01:06Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:39–09:55 on the 17th, 05:38–09:54 on the 18th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 256 minutes on the 17th and 257 of 257 on the 18th.", "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 4016 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Fuzhou, 1961: Tuesday 18 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Tṛtīyā 1961 falls on Tuesday 18 April. Tṛtīyā runs from 11:17 on Mon 17 Apr to 11:01 on Tue 18 Apr and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vinayaka-chaturthi?on=1961-04-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 708, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-04-18T11:01:06+08:00", "utc": "1961-04-18T03:01:06Z", "ms": -274741133503.79108 }, "end": { "local": "1961-04-19T11:26:24+08:00", "utc": "1961-04-19T03:26:24Z", "ms": -274653215780.6015 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-18T11:01:06+08:00", "utc": "1961-04-18T03:01:06Z", "ms": -274741133503.79108 }, "end": { "local": "1961-04-19T11:26:24+08:00", "utc": "1961-04-19T03:26:24Z", "ms": -274653215780.6015 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-04-18", "window": { "start": { "local": "1961-04-18T11:38:25+08:00", "utc": "1961-04-18T03:38:25Z", "ms": -274738894693.25385 }, "end": { "local": "1961-04-18T12:26:25+08:00", "utc": "1961-04-18T04:26:25Z", "ms": -274736014693.25385 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-04-19", "window": { "start": { "local": "1961-04-19T11:38:12+08:00", "utc": "1961-04-19T03:38:12Z", "ms": -274652508149.74396 }, "end": { "local": "1961-04-19T12:26:12+08:00", "utc": "1961-04-19T04:26:12Z", "ms": -274649628149.74396 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:01 on Tue 18 Apr to 11:26 on Wed 19 Apr.", "fact": "1961-04-18T03:01:06Z → 1961-04-19T03:26:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 18th, 11:38–12:26 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 708 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Tuesday 18 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": "1961-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-18", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Tuesday 18 April. Caturthī runs from 11:01 on Tue 18 Apr to 11:26 on Wed 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-04-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 468, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1961-04-19T11:26:24+08:00", "utc": "1961-04-19T03:26:24Z", "ms": -274653215780.6015 }, "end": { "local": "1961-04-20T12:33:47+08:00", "utc": "1961-04-20T04:33:47Z", "ms": -274562772740.07263 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-19T11:26:24+08:00", "utc": "1961-04-19T03:26:24Z", "ms": -274653215780.6015 }, "end": { "local": "1961-04-20T12:33:47+08:00", "utc": "1961-04-20T04:33:47Z", "ms": -274562772740.07263 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-04-19", "window": { "start": { "local": "1961-04-19T11:38:12+08:00", "utc": "1961-04-19T03:38:12Z", "ms": -274652508149.74396 }, "end": { "local": "1961-04-19T12:26:12+08:00", "utc": "1961-04-19T04:26:12Z", "ms": -274649628149.74396 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-04-20", "window": { "start": { "local": "1961-04-20T11:37:59+08:00", "utc": "1961-04-20T03:37:59Z", "ms": -274566121217.32355 }, "end": { "local": "1961-04-20T12:25:59+08:00", "utc": "1961-04-20T04:25:59Z", "ms": -274563241217.32355 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 11:26 on Wed 19 Apr to 12:34 on Thu 20 Apr.", "fact": "1961-04-19T03:26:24Z → 1961-04-20T04:33:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 19th, 11:38–12:26 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 468 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Fuzhou, 1961: Wednesday 19 April.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1961-04-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-19", "confidence": "boundary" } ], "quote": "In Fuzhou, Śaṅkara Jayantī 1961 falls on Wednesday 19 April. Pañcamī runs from 11:26 on Wed 19 Apr to 12:34 on Thu 20 Apr 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/1961/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/1961/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6815, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1961-04-21T14:19:21+08:00", "utc": "1961-04-21T06:19:21Z", "ms": -274470038537.9783 }, "end": { "local": "1961-04-22T16:34:23+08:00", "utc": "1961-04-22T08:34:23Z", "ms": -274375536703.4444 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-21T14:19:21+08:00", "utc": "1961-04-21T06:19:21Z", "ms": -274470038537.9783 }, "end": { "local": "1961-04-22T16:34:23+08:00", "utc": "1961-04-22T08:34:23Z", "ms": -274375536703.4444 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-04-21", "window": { "start": { "local": "1961-04-21T11:37:46+08:00", "utc": "1961-04-21T03:37:46Z", "ms": -274479733884.31363 }, "end": { "local": "1961-04-21T12:25:46+08:00", "utc": "1961-04-21T04:25:46Z", "ms": -274476853884.31363 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-04-22", "window": { "start": { "local": "1961-04-22T11:37:34+08:00", "utc": "1961-04-22T03:37:34Z", "ms": -274393346138.852 }, "end": { "local": "1961-04-22T12:25:34+08:00", "utc": "1961-04-22T04:25:34Z", "ms": -274390466138.852 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:19 on Fri 21 Apr to 16:34 on Sat 22 Apr.", "fact": "1961-04-21T06:19:21Z → 1961-04-22T08:34:23Z" }, { "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": "Saptamī 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 6815 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Fuzhou, 1961: Saturday 22 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-04-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 1961 falls on Saturday 22 April. Saptamī runs from 14:19 on Fri 21 Apr to 16:34 on Sat 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-04-26", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13388, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-04-25T23:56:16+08:00", "utc": "1961-04-25T15:56:16Z", "ms": -274089823918.2355 }, "end": { "local": "1961-04-27T01:46:29+08:00", "utc": "1961-04-26T17:46:29Z", "ms": -273996811314.75992 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-25T23:56:16+08:00", "utc": "1961-04-25T15:56:16Z", "ms": -274089823918.2355 }, "end": { "local": "1961-04-27T01:46:29+08:00", "utc": "1961-04-26T17:46:29Z", "ms": -273996811314.75992 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-04-26", "window": { "start": { "local": "1961-04-26T05:30:28+08:00", "utc": "1961-04-25T21:30:28Z", "ms": -274069772395.94278 }, "end": { "local": "1961-04-26T05:30:28+08:00", "utc": "1961-04-25T21:30:28Z", "ms": -274069772395.94278 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-04-27", "window": { "start": { "local": "1961-04-27T05:29:37+08:00", "utc": "1961-04-26T21:29:37Z", "ms": -273983423095.36127 }, "end": { "local": "1961-04-27T05:29:37+08:00", "utc": "1961-04-26T21:29:37Z", "ms": -273983423095.36127 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:56 on Tue 25 Apr to 01:46 on Thu 27 Apr.", "fact": "1961-04-25T15:56:16Z → 1961-04-26T17:46:29Z" }, { "step": "kaala", "text": "Sunrise is at 05:30 on the 26th and 05:30 on the 27th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13388 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Fuzhou, 1961: Wednesday 26 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": "1961-04-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Mohinī Ekādaśī 1961 falls on Wednesday 26 April. Ekādaśī runs from 23:56 on Tue 25 Apr to 01:46 on Thu 27 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-04-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30985, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1961-04-27T01:46:29+08:00", "utc": "1961-04-26T17:46:29Z", "ms": -273996811314.75992 }, "end": { "local": "1961-04-28T03:00:05+08:00", "utc": "1961-04-27T19:00:05Z", "ms": -273905994950.84058 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-27T01:46:29+08:00", "utc": "1961-04-26T17:46:29Z", "ms": -273996811314.75992 }, "end": { "local": "1961-04-28T03:00:05+08:00", "utc": "1961-04-27T19:00:05Z", "ms": -273905994950.84058 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-04-27", "window": { "start": { "local": "1961-04-27T11:36:39+08:00", "utc": "1961-04-27T03:36:39Z", "ms": -273961400805.21265 }, "end": { "local": "1961-04-27T12:24:39+08:00", "utc": "1961-04-27T04:24:39Z", "ms": -273958520805.21265 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-04-28", "window": { "start": { "local": "1961-04-28T11:36:30+08:00", "utc": "1961-04-28T03:36:30Z", "ms": -273875010333.07828 }, "end": { "local": "1961-04-28T12:24:30+08:00", "utc": "1961-04-28T04:24:30Z", "ms": -273872130333.07828 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:46 on Thu 27 Apr to 03:00 on Fri 28 Apr.", "fact": "1961-04-26T17:46:29Z → 1961-04-27T19:00:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 27th, 11:36–12:24 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30985 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Fuzhou, 1961: Thursday 27 April.", "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": "1961-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Dvādaśī 1961 falls on Thursday 27 April. Dvādaśī runs from 01:46 on Thu 27 Apr to 03:00 on Fri 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30985, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1961-04-27T01:46:29+08:00", "utc": "1961-04-26T17:46:29Z", "ms": -273996811314.75992 }, "end": { "local": "1961-04-28T03:00:05+08:00", "utc": "1961-04-27T19:00:05Z", "ms": -273905994950.84058 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-27T01:46:29+08:00", "utc": "1961-04-26T17:46:29Z", "ms": -273996811314.75992 }, "end": { "local": "1961-04-28T03:00:05+08:00", "utc": "1961-04-27T19:00:05Z", "ms": -273905994950.84058 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-04-27", "window": { "start": { "local": "1961-04-27T11:36:39+08:00", "utc": "1961-04-27T03:36:39Z", "ms": -273961400805.21265 }, "end": { "local": "1961-04-27T12:24:39+08:00", "utc": "1961-04-27T04:24:39Z", "ms": -273958520805.21265 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-04-28", "window": { "start": { "local": "1961-04-28T11:36:30+08:00", "utc": "1961-04-28T03:36:30Z", "ms": -273875010333.07828 }, "end": { "local": "1961-04-28T12:24:30+08:00", "utc": "1961-04-28T04:24:30Z", "ms": -273872130333.07828 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:46 on Thu 27 Apr to 03:00 on Fri 28 Apr.", "fact": "1961-04-26T17:46:29Z → 1961-04-27T19:00:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 27th, 11:36–12:24 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30985 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Fuzhou, 1961: Thursday 27 April.", "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": "1961-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Rukmiṇī Dvādaśī 1961 falls on Thursday 27 April. Dvādaśī runs from 01:46 on Thu 27 Apr to 03:00 on Fri 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-04-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25247, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-04-28T03:00:05+08:00", "utc": "1961-04-27T19:00:05Z", "ms": -273905994950.84058 }, "end": { "local": "1961-04-29T03:32:55+08:00", "utc": "1961-04-28T19:32:55Z", "ms": -273817624675.53604 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-28T03:00:05+08:00", "utc": "1961-04-27T19:00:05Z", "ms": -273905994950.84058 }, "end": { "local": "1961-04-29T03:32:55+08:00", "utc": "1961-04-28T19:32:55Z", "ms": -273817624675.53604 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-04-27", "window": { "start": { "local": "1961-04-27T18:31:41+08:00", "utc": "1961-04-27T10:31:41Z", "ms": -273936498515.064 }, "end": { "local": "1961-04-27T19:59:18+08:00", "utc": "1961-04-27T11:59:18Z", "ms": -273931241775.5184 } }, "covered_min": 0, "window_min": 88, "qualifies": false }, { "local_date": "1961-04-28", "window": { "start": { "local": "1961-04-28T18:32:12+08:00", "utc": "1961-04-28T10:32:12Z", "ms": -273850067697.68457 }, "end": { "local": "1961-04-28T19:59:38+08:00", "utc": "1961-04-28T11:59:38Z", "ms": -273844821603.4503 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:00 on Fri 28 Apr to 03:33 on Sat 29 Apr.", "fact": "1961-04-27T19:00:05Z → 1961-04-28T19:32:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–19:59 on the 27th, 18:32–20:00 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 27th and 87 of 87 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25247 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Friday 28 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": "1961-04-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Friday 28 April. Trayodaśī runs from 03:00 on Fri 28 Apr to 03:33 on Sat 29 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-04-28", "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/1961/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26712, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-04-29T03:32:55+08:00", "utc": "1961-04-28T19:32:55Z", "ms": -273817624675.53604 }, "end": { "local": "1961-04-30T03:25:11+08:00", "utc": "1961-04-29T19:25:11Z", "ms": -273731688905.67227 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-29T03:32:55+08:00", "utc": "1961-04-28T19:32:55Z", "ms": -273817624675.53604 }, "end": { "local": "1961-04-30T03:25:11+08:00", "utc": "1961-04-29T19:25:11Z", "ms": -273731688905.67227 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-04-28", "window": { "start": { "local": "1961-04-28T18:32:12+08:00", "utc": "1961-04-28T10:32:12Z", "ms": -273850067697.68457 }, "end": { "local": "1961-04-28T19:59:38+08:00", "utc": "1961-04-28T11:59:38Z", "ms": -273844821603.4503 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1961-04-29", "window": { "start": { "local": "1961-04-29T18:32:43+08:00", "utc": "1961-04-29T10:32:43Z", "ms": -273763636737.6505 }, "end": { "local": "1961-04-29T19:59:59+08:00", "utc": "1961-04-29T11:59:59Z", "ms": -273758401191.06747 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 03:33 on Sat 29 Apr to 03:25 on Sun 30 Apr.", "fact": "1961-04-28T19:32:55Z → 1961-04-29T19:25:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:00 on the 28th, 18:33–20:00 on the 29th.", "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 87 minutes on the 28th and 87 of 87 on the 29th.", "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 26712 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Fuzhou, 1961: Saturday 29 April.", "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": "1961-04-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1961 falls on Saturday 29 April. Caturdaśī runs from 03:33 on Sat 29 Apr to 03:25 on Sun 30 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29461, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-04-30T03:25:11+08:00", "utc": "1961-04-29T19:25:11Z", "ms": -273731688905.67227 }, "end": { "local": "1961-05-01T02:40:26+08:00", "utc": "1961-04-30T18:40:26Z", "ms": -273647973632.45 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-30T03:25:11+08:00", "utc": "1961-04-29T19:25:11Z", "ms": -273731688905.67227 }, "end": { "local": "1961-05-01T02:40:26+08:00", "utc": "1961-04-30T18:40:26Z", "ms": -273647973632.45 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-04-30", "window": { "start": { "local": "1961-04-30T11:36:12+08:00", "utc": "1961-04-30T03:36:12Z", "ms": -273702227886.70636 }, "end": { "local": "1961-04-30T12:24:12+08:00", "utc": "1961-04-30T04:24:12Z", "ms": -273699347886.70636 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-05-01", "window": { "start": { "local": "1961-05-01T11:36:04+08:00", "utc": "1961-05-01T03:36:04Z", "ms": -273615835888.28494 }, "end": { "local": "1961-05-01T12:24:04+08:00", "utc": "1961-05-01T04:24:04Z", "ms": -273612955888.28494 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:25 on Sun 30 Apr to 02:40 on Mon 1 May.", "fact": "1961-04-29T19:25:11Z → 1961-04-30T18:40:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 30th, 11:36–12:24 on the 1st.", "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 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29461 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Fuzhou, 1961: Sunday 30 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Buddha Pūrṇimā 1961 falls on Sunday 30 April. Pūrṇimā runs from 03:25 on Sun 30 Apr to 02:40 on Mon 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-04-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29461, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-04-30T03:25:11+08:00", "utc": "1961-04-29T19:25:11Z", "ms": -273731688905.67227 }, "end": { "local": "1961-05-01T02:40:26+08:00", "utc": "1961-04-30T18:40:26Z", "ms": -273647973632.45 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1961-04-30T03:25:11+08:00", "utc": "1961-04-29T19:25:11Z", "ms": -273731688905.67227 }, "end": { "local": "1961-05-01T02:40:26+08:00", "utc": "1961-04-30T18:40:26Z", "ms": -273647973632.45 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-04-30", "window": { "start": { "local": "1961-04-30T11:36:12+08:00", "utc": "1961-04-30T03:36:12Z", "ms": -273702227886.70636 }, "end": { "local": "1961-04-30T12:24:12+08:00", "utc": "1961-04-30T04:24:12Z", "ms": -273699347886.70636 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-05-01", "window": { "start": { "local": "1961-05-01T11:36:04+08:00", "utc": "1961-05-01T03:36:04Z", "ms": -273615835888.28494 }, "end": { "local": "1961-05-01T12:24:04+08:00", "utc": "1961-05-01T04:24:04Z", "ms": -273612955888.28494 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:25 on Sun 30 Apr to 02:40 on Mon 1 May.", "fact": "1961-04-29T19:25:11Z → 1961-04-30T18:40:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 30th, 11:36–12:24 on the 1st.", "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 30th and 0 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29461 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Fuzhou, 1961: Sunday 30 April.", "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": "1961-04-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-04-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Sampat Gaurī Vrata 1961 falls on Sunday 30 April. Pūrṇimā runs from 03:25 on Sun 30 Apr to 02:40 on Mon 1 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-05-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-05-03", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2270, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-05-03T21:46:35+08:00", "utc": "1961-05-03T13:46:35Z", "ms": -273406404533.1763 }, "end": { "local": "1961-05-04T19:38:27+08:00", "utc": "1961-05-04T11:38:27Z", "ms": -273327693454.3724 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-05-03T21:46:35+08:00", "utc": "1961-05-03T13:46:35Z", "ms": -273406404533.1763 }, "end": { "local": "1961-05-04T19:38:27+08:00", "utc": "1961-05-04T11:38:27Z", "ms": -273327693454.3724 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-05-03", "window": { "start": { "local": "1961-05-03T21:08:45+08:00", "utc": "1961-05-03T13:08:45Z", "ms": -273408674737.3281 }, "end": { "local": "1961-05-03T21:08:45+08:00", "utc": "1961-05-03T13:08:45Z", "ms": -273408674737.3281 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-05-04", "window": { "start": { "local": "1961-05-04T22:08:38+08:00", "utc": "1961-05-04T14:08:38Z", "ms": -273318682418.30225 }, "end": { "local": "1961-05-04T22:08:38+08:00", "utc": "1961-05-04T14:08:38Z", "ms": -273318682418.30225 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:47 on Wed 3 May to 19:38 on Thu 4 May.", "fact": "1961-05-03T13:46:35Z → 1961-05-04T11:38:27Z" }, { "step": "kaala", "text": "Moonrise is at 21:09 on the 3rd and 22:09 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 3rd and is not on the 4th.", "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 2270 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Wednesday 3 May.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-05-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-05-03", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Wednesday 3 May. Caturthī runs from 21:47 on Wed 3 May to 19:38 on Thu 4 May, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-05-10", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-05-10", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 34, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-05-10T07:02:33+08:00", "utc": "1961-05-09T23:02:33Z", "ms": -272854647334.2121 }, "end": { "local": "1961-05-11T05:18:51+08:00", "utc": "1961-05-10T21:18:51Z", "ms": -272774469197.31512 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-05-10T07:02:33+08:00", "utc": "1961-05-09T23:02:33Z", "ms": -272854647334.2121 }, "end": { "local": "1961-05-11T05:18:51+08:00", "utc": "1961-05-10T21:18:51Z", "ms": -272774469197.31512 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-05-10", "window": { "start": { "local": "1961-05-10T05:20:02+08:00", "utc": "1961-05-09T21:20:02Z", "ms": -272860798271.35938 }, "end": { "local": "1961-05-10T05:20:02+08:00", "utc": "1961-05-09T21:20:02Z", "ms": -272860798271.35938 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-05-11", "window": { "start": { "local": "1961-05-11T05:19:25+08:00", "utc": "1961-05-10T21:19:25Z", "ms": -272774435284.75327 }, "end": { "local": "1961-05-11T05:19:25+08:00", "utc": "1961-05-10T21:19:25Z", "ms": -272774435284.75327 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:03 on Wed 10 May to 05:19 on Thu 11 May.", "fact": "1961-05-09T23:02:33Z → 1961-05-10T21:18:51Z" }, { "step": "kaala", "text": "Sunrise is at 05:20 on the 10th and 05:19 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is not on the 11th.", "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 34 s < 300 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Fuzhou, 1961: Wednesday 10 May.", "fact": "confidence: boundary (margin)" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-05-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-05-10", "confidence": "boundary" } ], "quote": "In Fuzhou, Aparā Ekādaśī 1961 falls on Wednesday 10 May. Ekādaśī runs from 07:03 on Wed 10 May to 05:19 on Thu 11 May, and is current at sunrise on neither day. It is 0 min 34 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-05-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-05-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23015, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-05-12T03:46:20+08:00", "utc": "1961-05-11T19:46:20Z", "ms": -272693620315.8276 }, "end": { "local": "1961-05-13T02:28:21+08:00", "utc": "1961-05-12T18:28:21Z", "ms": -272611899176.5741 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-05-12T03:46:20+08:00", "utc": "1961-05-11T19:46:20Z", "ms": -272693620315.8276 }, "end": { "local": "1961-05-13T02:28:21+08:00", "utc": "1961-05-12T18:28:21Z", "ms": -272611899176.5741 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-05-11", "window": { "start": { "local": "1961-05-11T18:39:05+08:00", "utc": "1961-05-11T10:39:05Z", "ms": -272726454995.1418 }, "end": { "local": "1961-05-11T20:04:23+08:00", "utc": "1961-05-11T12:04:23Z", "ms": -272721337152.54166 } }, "covered_min": 0, "window_min": 85, "qualifies": false }, { "local_date": "1961-05-12", "window": { "start": { "local": "1961-05-12T18:39:37+08:00", "utc": "1961-05-12T10:39:37Z", "ms": -272640022572.56412 }, "end": { "local": "1961-05-12T20:04:46+08:00", "utc": "1961-05-12T12:04:46Z", "ms": -272634913687.1368 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:46 on Fri 12 May to 02:28 on Sat 13 May.", "fact": "1961-05-11T19:46:20Z → 1961-05-12T18:28:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:04 on the 11th, 18:40–20:05 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 11th and 85 of 85 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23015 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Friday 12 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": "1961-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-05-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Friday 12 May. Trayodaśī runs from 03:46 on Fri 12 May to 02:28 on Sat 13 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-05-12", "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/1961/shivaratri?on=1961-05-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-05-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3981, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-05-13T02:28:21+08:00", "utc": "1961-05-12T18:28:21Z", "ms": -272611899176.5741 }, "end": { "local": "1961-05-14T01:29:16+08:00", "utc": "1961-05-13T17:29:16Z", "ms": -272529043954.87335 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-05-13T02:28:21+08:00", "utc": "1961-05-12T18:28:21Z", "ms": -272611899176.5741 }, "end": { "local": "1961-05-14T01:29:16+08:00", "utc": "1961-05-13T17:29:16Z", "ms": -272529043954.87335 } }, "kaala": "nishita", "days": [ { "local_date": "1961-05-12", "window": { "start": { "local": "1961-05-12T23:34:56+08:00", "utc": "1961-05-12T15:34:56Z", "ms": -272622304252.21173 }, "end": { "local": "1961-05-13T00:22:56+08:00", "utc": "1961-05-12T16:22:56Z", "ms": -272619424252.21173 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-05-13", "window": { "start": { "local": "1961-05-13T23:34:55+08:00", "utc": "1961-05-13T15:34:55Z", "ms": -272535904834.0558 }, "end": { "local": "1961-05-14T00:22:55+08:00", "utc": "1961-05-13T16:22:55Z", "ms": -272533024834.0558 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:28 on Sat 13 May to 01:29 on Sun 14 May.", "fact": "1961-05-12T18:28:21Z → 1961-05-13T17:29:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 12th, 23:35–00:23 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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 night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3981 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Saturday 13 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": "1961-05-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-05-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Saturday 13 May. Caturdaśī runs from 02:28 on Sat 13 May to 01:29 on Sun 14 May and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-05-13", "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/1961/vinayaka-chaturthi?on=1961-05-18", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27567, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-05-18T02:18:12+08:00", "utc": "1961-05-17T18:18:12Z", "ms": -272180508275.86688 }, "end": { "local": "1961-05-19T03:55:50+08:00", "utc": "1961-05-18T19:55:50Z", "ms": -272088249934.49066 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-05-18T02:18:12+08:00", "utc": "1961-05-17T18:18:12Z", "ms": -272180508275.86688 }, "end": { "local": "1961-05-19T03:55:50+08:00", "utc": "1961-05-18T19:55:50Z", "ms": -272088249934.49066 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-05-18", "window": { "start": { "local": "1961-05-18T11:35:15+08:00", "utc": "1961-05-18T03:35:15Z", "ms": -272147085318.21283 }, "end": { "local": "1961-05-18T12:23:15+08:00", "utc": "1961-05-18T04:23:15Z", "ms": -272144205318.21283 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-05-19", "window": { "start": { "local": "1961-05-19T11:35:17+08:00", "utc": "1961-05-19T03:35:17Z", "ms": -272060683129.2494 }, "end": { "local": "1961-05-19T12:23:17+08:00", "utc": "1961-05-19T04:23:17Z", "ms": -272057803129.2494 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:18 on Thu 18 May to 03:56 on Fri 19 May.", "fact": "1961-05-17T18:18:12Z → 1961-05-18T19:55:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 18th, 11:35–12:23 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27567 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Thursday 18 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": "1961-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-05-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Thursday 18 May. Caturthī runs from 02:18 on Thu 18 May to 03:56 on Fri 19 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-05-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-05-26", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-05-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 41828, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-05-25T16:49:57+08:00", "utc": "1961-05-25T08:49:57Z", "ms": -271523402859.71878 }, "end": { "local": "1961-05-26T17:27:17+08:00", "utc": "1961-05-26T09:27:17Z", "ms": -271434763042.21277 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-05-25T16:49:57+08:00", "utc": "1961-05-25T08:49:57Z", "ms": -271523402859.71878 }, "end": { "local": "1961-05-26T17:27:17+08:00", "utc": "1961-05-26T09:27:17Z", "ms": -271434763042.21277 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-05-25", "window": { "start": { "local": "1961-05-25T05:12:49+08:00", "utc": "1961-05-24T21:12:49Z", "ms": -271565231037.06793 }, "end": { "local": "1961-05-25T05:12:49+08:00", "utc": "1961-05-24T21:12:49Z", "ms": -271565231037.06793 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-05-26", "window": { "start": { "local": "1961-05-26T05:12:30+08:00", "utc": "1961-05-25T21:12:30Z", "ms": -271478850221.0364 }, "end": { "local": "1961-05-26T05:12:30+08:00", "utc": "1961-05-25T21:12:30Z", "ms": -271478850221.0364 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:50 on Thu 25 May to 17:27 on Fri 26 May.", "fact": "1961-05-25T08:49:57Z → 1961-05-26T09:27:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:13 on the 25th and 05:12 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 41828 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Fuzhou, 1961: Friday 26 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": "1961-05-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-05-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Ekādaśī 1961 falls on Friday 26 May. Ekādaśī runs from 16:50 on Thu 25 May to 17:27 on Fri 26 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-05-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-05-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-05-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5429, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-05-27T17:17:04+08:00", "utc": "1961-05-27T09:17:04Z", "ms": -271348975790.53156 }, "end": { "local": "1961-05-28T16:21:17+08:00", "utc": "1961-05-28T08:21:17Z", "ms": -271265923470.0755 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-05-27T17:17:04+08:00", "utc": "1961-05-27T09:17:04Z", "ms": -271348975790.53156 }, "end": { "local": "1961-05-28T16:21:17+08:00", "utc": "1961-05-28T08:21:17Z", "ms": -271265923470.0755 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-05-27", "window": { "start": { "local": "1961-05-27T18:47:34+08:00", "utc": "1961-05-27T10:47:34Z", "ms": -271343546309.78033 }, "end": { "local": "1961-05-27T20:10:49+08:00", "utc": "1961-05-27T12:10:49Z", "ms": -271338551447.43872 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1961-05-28", "window": { "start": { "local": "1961-05-28T18:48:04+08:00", "utc": "1961-05-28T10:48:04Z", "ms": -271257116326.22238 }, "end": { "local": "1961-05-28T20:11:12+08:00", "utc": "1961-05-28T12:11:12Z", "ms": -271252127518.70334 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:17 on Sat 27 May to 16:21 on Sun 28 May.", "fact": "1961-05-27T09:17:04Z → 1961-05-28T08:21:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:11 on the 27th, 18:48–20:11 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 27th and 0 of 83 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5429 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Saturday 27 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": "1961-05-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-05-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Saturday 27 May. Trayodaśī runs from 17:17 on Sat 27 May to 16:21 on Sun 28 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-05-27", "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/1961/sankashta-chaturthi?on=1961-06-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13307, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-06-02T04:26:49+08:00", "utc": "1961-06-01T20:26:49Z", "ms": -270876790617.25433 }, "end": { "local": "1961-06-03T01:36:55+08:00", "utc": "1961-06-02T17:36:55Z", "ms": -270800585011.77917 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-02T04:26:49+08:00", "utc": "1961-06-01T20:26:49Z", "ms": -270876790617.25433 }, "end": { "local": "1961-06-03T01:36:55+08:00", "utc": "1961-06-02T17:36:55Z", "ms": -270800585011.77917 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-06-01", "window": { "start": { "local": "1961-06-01T20:58:03+08:00", "utc": "1961-06-01T12:58:03Z", "ms": -270903717197.5997 }, "end": { "local": "1961-06-01T20:58:03+08:00", "utc": "1961-06-01T12:58:03Z", "ms": -270903717197.5997 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-06-02", "window": { "start": { "local": "1961-06-02T21:55:08+08:00", "utc": "1961-06-02T13:55:08Z", "ms": -270813892444.9162 }, "end": { "local": "1961-06-02T21:55:08+08:00", "utc": "1961-06-02T13:55:08Z", "ms": -270813892444.9162 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:27 on Fri 2 Jun to 01:37 on Sat 3 Jun.", "fact": "1961-06-01T20:26:49Z → 1961-06-02T17:36:55Z" }, { "step": "kaala", "text": "Moonrise is at 20:58 on the 1st and 21:55 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13307 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Friday 2 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": "1961-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Friday 2 June. Caturthī runs from 04:27 on Fri 2 Jun to 01:37 on Sat 3 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-06-09", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27570, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-06-08T13:40:59+08:00", "utc": "1961-06-08T05:40:59Z", "ms": -270325141069.46988 }, "end": { "local": "1961-06-09T12:49:44+08:00", "utc": "1961-06-09T04:49:44Z", "ms": -270241816314.90292 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-08T13:40:59+08:00", "utc": "1961-06-08T05:40:59Z", "ms": -270325141069.46988 }, "end": { "local": "1961-06-09T12:49:44+08:00", "utc": "1961-06-09T04:49:44Z", "ms": -270241816314.90292 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-06-08", "window": { "start": { "local": "1961-06-08T05:10:15+08:00", "utc": "1961-06-07T21:10:15Z", "ms": -270355784937.94186 }, "end": { "local": "1961-06-08T05:10:15+08:00", "utc": "1961-06-07T21:10:15Z", "ms": -270355784937.94186 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-06-09", "window": { "start": { "local": "1961-06-09T05:10:14+08:00", "utc": "1961-06-08T21:10:14Z", "ms": -270269386498.88058 }, "end": { "local": "1961-06-09T05:10:14+08:00", "utc": "1961-06-08T21:10:14Z", "ms": -270269386498.88058 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:41 on Thu 8 Jun to 12:50 on Fri 9 Jun.", "fact": "1961-06-08T05:40:59Z → 1961-06-09T04:49:44Z" }, { "step": "kaala", "text": "Sunrise is at 05:10 on the 8th and 05:10 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27570 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Fuzhou, 1961: Friday 9 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": "1961-06-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Ekādaśī 1961 falls on Friday 9 June. Ekādaśī runs from 13:41 on Thu 8 Jun to 12:50 on Fri 9 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-06-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-06-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23637, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-06-10T12:19:55+08:00", "utc": "1961-06-10T04:19:55Z", "ms": -270157204596.5192 }, "end": { "local": "1961-06-11T12:13:02+08:00", "utc": "1961-06-11T04:13:02Z", "ms": -270071217716.76932 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-10T12:19:55+08:00", "utc": "1961-06-10T04:19:55Z", "ms": -270157204596.5192 }, "end": { "local": "1961-06-11T12:13:02+08:00", "utc": "1961-06-11T04:13:02Z", "ms": -270071217716.76932 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-06-10", "window": { "start": { "local": "1961-06-10T18:53:52+08:00", "utc": "1961-06-10T10:53:52Z", "ms": -270133567960.47708 }, "end": { "local": "1961-06-10T20:16:03+08:00", "utc": "1961-06-10T12:16:03Z", "ms": -270128637029.59006 } }, "covered_min": 82, "window_min": 82, "qualifies": true }, { "local_date": "1961-06-11", "window": { "start": { "local": "1961-06-11T18:54:15+08:00", "utc": "1961-06-11T10:54:15Z", "ms": -270047145312.79047 }, "end": { "local": "1961-06-11T20:16:23+08:00", "utc": "1961-06-11T12:16:23Z", "ms": -270042217128.5418 } }, "covered_min": 0, "window_min": 82, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:20 on Sat 10 Jun to 12:13 on Sun 11 Jun.", "fact": "1961-06-10T04:19:55Z → 1961-06-11T04:13:02Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:16 on the 10th, 18:54–20:16 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 82 of 82 minutes on the 10th and 0 of 82 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23637 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Saturday 10 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": "1961-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Saturday 10 June. Trayodaśī runs from 12:20 on Sat 10 Jun to 12:13 on Sun 11 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-06-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/shivaratri?on=1961-06-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40043, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-06-11T12:13:02+08:00", "utc": "1961-06-11T04:13:02Z", "ms": -270071217716.76932 }, "end": { "local": "1961-06-12T12:31:05+08:00", "utc": "1961-06-12T04:31:05Z", "ms": -269983735118.42337 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": true, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-11T12:13:02+08:00", "utc": "1961-06-11T04:13:02Z", "ms": -270071217716.76932 }, "end": { "local": "1961-06-12T12:31:05+08:00", "utc": "1961-06-12T04:31:05Z", "ms": -269983735118.42337 } }, "kaala": "nishita", "days": [ { "local_date": "1961-06-11", "window": { "start": { "local": "1961-06-11T23:38:15+08:00", "utc": "1961-06-11T15:38:15Z", "ms": -270030104621.858 }, "end": { "local": "1961-06-12T00:26:15+08:00", "utc": "1961-06-11T16:26:15Z", "ms": -270027224621.858 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-06-12", "window": { "start": { "local": "1961-06-12T23:38:28+08:00", "utc": "1961-06-12T15:38:28Z", "ms": -269943692064.9726 }, "end": { "local": "1961-06-13T00:26:28+08:00", "utc": "1961-06-12T16:26:28Z", "ms": -269940812064.9726 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:13 on Sun 11 Jun to 12:31 on Mon 12 Jun.", "fact": "1961-06-11T04:13:02Z → 1961-06-12T04:31:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 11th, 23:38–00:26 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 40043 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Sunday 11 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": "1961-06-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Sunday 11 June. Caturdaśī runs from 12:13 on Sun 11 Jun to 12:31 on Mon 12 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-06-11", "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/1961/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13475, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1961-06-15T16:11:38+08:00", "utc": "1961-06-15T08:11:38Z", "ms": -269711301660.77036 }, "end": { "local": "1961-06-16T18:19:02+08:00", "utc": "1961-06-16T10:19:02Z", "ms": -269617258090.0944 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-15T16:11:38+08:00", "utc": "1961-06-15T08:11:38Z", "ms": -269711301660.77036 }, "end": { "local": "1961-06-16T18:19:02+08:00", "utc": "1961-06-16T10:19:02Z", "ms": -269617258090.0944 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-06-15", "window": { "start": { "local": "1961-06-15T11:39:03+08:00", "utc": "1961-06-15T03:39:03Z", "ms": -269727656703.26086 }, "end": { "local": "1961-06-15T12:27:03+08:00", "utc": "1961-06-15T04:27:03Z", "ms": -269724776703.26086 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-06-16", "window": { "start": { "local": "1961-06-16T11:39:16+08:00", "utc": "1961-06-16T03:39:16Z", "ms": -269641244117.77197 }, "end": { "local": "1961-06-16T12:27:16+08:00", "utc": "1961-06-16T04:27:16Z", "ms": -269638364117.77197 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:12 on Thu 15 Jun to 18:19 on Fri 16 Jun.", "fact": "1961-06-15T08:11:38Z → 1961-06-16T10:19:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 15th, 11:39–12:27 on the 16th.", "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 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13475 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Fuzhou, 1961: Friday 16 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": "1961-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Rambhā Tṛtīyā 1961 falls on Friday 16 June. Tṛtīyā runs from 16:12 on Thu 15 Jun to 18:19 on Fri 16 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vinayaka-chaturthi?on=1961-06-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21106, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-06-16T18:19:02+08:00", "utc": "1961-06-16T10:19:02Z", "ms": -269617258090.0944 }, "end": { "local": "1961-06-17T20:45:36+08:00", "utc": "1961-06-17T12:45:36Z", "ms": -269522064382.10345 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-16T18:19:02+08:00", "utc": "1961-06-16T10:19:02Z", "ms": -269617258090.0944 }, "end": { "local": "1961-06-17T20:45:36+08:00", "utc": "1961-06-17T12:45:36Z", "ms": -269522064382.10345 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-06-16", "window": { "start": { "local": "1961-06-16T11:39:16+08:00", "utc": "1961-06-16T03:39:16Z", "ms": -269641244117.77197 }, "end": { "local": "1961-06-16T12:27:16+08:00", "utc": "1961-06-16T04:27:16Z", "ms": -269638364117.77197 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-06-17", "window": { "start": { "local": "1961-06-17T11:39:29+08:00", "utc": "1961-06-17T03:39:29Z", "ms": -269554831444.60825 }, "end": { "local": "1961-06-17T12:27:29+08:00", "utc": "1961-06-17T04:27:29Z", "ms": -269551951444.60825 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 18:19 on Fri 16 Jun to 20:46 on Sat 17 Jun.", "fact": "1961-06-16T10:19:02Z → 1961-06-17T12:45:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21106 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Saturday 17 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Saturday 17 June. Caturthī runs from 18:19 on Fri 16 Jun to 20:46 on Sat 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-06-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35230, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1961-06-18T23:21:16+08:00", "utc": "1961-06-18T15:21:16Z", "ms": -269426323760.77365 }, "end": { "local": "1961-06-20T01:52:57+08:00", "utc": "1961-06-19T17:52:57Z", "ms": -269330823419.69052 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-18T23:21:16+08:00", "utc": "1961-06-18T15:21:16Z", "ms": -269426323760.77365 }, "end": { "local": "1961-06-20T01:52:57+08:00", "utc": "1961-06-19T17:52:57Z", "ms": -269330823419.69052 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-06-19", "window": { "start": { "local": "1961-06-19T11:39:54+08:00", "utc": "1961-06-19T03:39:54Z", "ms": -269382005938.62506 }, "end": { "local": "1961-06-19T12:27:54+08:00", "utc": "1961-06-19T04:27:54Z", "ms": -269379125938.62506 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-06-20", "window": { "start": { "local": "1961-06-20T11:40:07+08:00", "utc": "1961-06-20T03:40:07Z", "ms": -269295593156.48578 }, "end": { "local": "1961-06-20T12:28:07+08:00", "utc": "1961-06-20T04:28:07Z", "ms": -269292713156.48578 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:21 on Sun 18 Jun to 01:53 on Tue 20 Jun.", "fact": "1961-06-18T15:21:16Z → 1961-06-19T17:52:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 19th, 11:40–12:28 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35230 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Fuzhou, 1961: Monday 19 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": "1961-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Araṇya Gaurī Vrata 1961 falls on Monday 19 June. Ṣaṣṭhī runs from 23:21 on Sun 18 Jun to 01:53 on Tue 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35230, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1961-06-18T23:21:16+08:00", "utc": "1961-06-18T15:21:16Z", "ms": -269426323760.77365 }, "end": { "local": "1961-06-20T01:52:57+08:00", "utc": "1961-06-19T17:52:57Z", "ms": -269330823419.69052 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-18T23:21:16+08:00", "utc": "1961-06-18T15:21:16Z", "ms": -269426323760.77365 }, "end": { "local": "1961-06-20T01:52:57+08:00", "utc": "1961-06-19T17:52:57Z", "ms": -269330823419.69052 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-06-19", "window": { "start": { "local": "1961-06-19T11:39:54+08:00", "utc": "1961-06-19T03:39:54Z", "ms": -269382005938.62506 }, "end": { "local": "1961-06-19T12:27:54+08:00", "utc": "1961-06-19T04:27:54Z", "ms": -269379125938.62506 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-06-20", "window": { "start": { "local": "1961-06-20T11:40:07+08:00", "utc": "1961-06-20T03:40:07Z", "ms": -269295593156.48578 }, "end": { "local": "1961-06-20T12:28:07+08:00", "utc": "1961-06-20T04:28:07Z", "ms": -269292713156.48578 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 23:21 on Sun 18 Jun to 01:53 on Tue 20 Jun.", "fact": "1961-06-18T15:21:16Z → 1961-06-19T17:52:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 19th, 11:40–12:28 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35230 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 1961: Monday 19 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": "1961-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1961 falls on Monday 19 June. Ṣaṣṭhī runs from 23:21 on Sun 18 Jun to 01:53 on Tue 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-06-25", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3553, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-06-24T06:53:32+08:00", "utc": "1961-06-23T22:53:32Z", "ms": -268967188189.9466 }, "end": { "local": "1961-06-25T06:11:34+08:00", "utc": "1961-06-24T22:11:34Z", "ms": -268883305842.90604 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-24T06:53:32+08:00", "utc": "1961-06-23T22:53:32Z", "ms": -268967188189.9466 }, "end": { "local": "1961-06-25T06:11:34+08:00", "utc": "1961-06-24T22:11:34Z", "ms": -268883305842.90604 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-06-24", "window": { "start": { "local": "1961-06-24T05:12:06+08:00", "utc": "1961-06-23T21:12:06Z", "ms": -268973274349.63043 }, "end": { "local": "1961-06-24T05:12:06+08:00", "utc": "1961-06-23T21:12:06Z", "ms": -268973274349.63043 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-06-25", "window": { "start": { "local": "1961-06-25T05:12:21+08:00", "utc": "1961-06-24T21:12:21Z", "ms": -268886858821.6049 }, "end": { "local": "1961-06-25T05:12:21+08:00", "utc": "1961-06-24T21:12:21Z", "ms": -268886858821.6049 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:54 on Sat 24 Jun to 06:12 on Sun 25 Jun.", "fact": "1961-06-23T22:53:32Z → 1961-06-24T22:11:34Z" }, { "step": "kaala", "text": "Sunrise is at 05:12 on the 24th and 05:12 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3553 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Fuzhou, 1961: Sunday 25 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": "1961-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Nirjalā Ekādaśī 1961 falls on Sunday 25 June. Ekādaśī runs from 06:54 on Sat 24 Jun to 06:12 on Sun 25 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-06-25", "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/1961/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19776, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1961-06-25T06:11:34+08:00", "utc": "1961-06-24T22:11:34Z", "ms": -268883305842.90604 }, "end": { "local": "1961-06-26T04:41:49+08:00", "utc": "1961-06-25T20:41:49Z", "ms": -268802290549.74182 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-25T06:11:34+08:00", "utc": "1961-06-24T22:11:34Z", "ms": -268883305842.90604 }, "end": { "local": "1961-06-26T04:41:49+08:00", "utc": "1961-06-25T20:41:49Z", "ms": -268802290549.74182 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-06-25", "window": { "start": { "local": "1961-06-25T11:41:10+08:00", "utc": "1961-06-25T03:41:10Z", "ms": -268863529924.08597 }, "end": { "local": "1961-06-25T12:29:10+08:00", "utc": "1961-06-25T04:29:10Z", "ms": -268860649924.08597 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-06-26", "window": { "start": { "local": "1961-06-26T11:41:22+08:00", "utc": "1961-06-26T03:41:22Z", "ms": -268777117571.73993 }, "end": { "local": "1961-06-26T12:29:22+08:00", "utc": "1961-06-26T04:29:22Z", "ms": -268774237571.73993 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:12 on Sun 25 Jun to 04:42 on Mon 26 Jun.", "fact": "1961-06-24T22:11:34Z → 1961-06-25T20:41:49Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19776 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Fuzhou, 1961: Sunday 25 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": "1961-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Rāma Dvādaśī 1961 falls on Sunday 25 June. Dvādaśī runs from 06:12 on Sun 25 Jun to 04:42 on Mon 26 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-06-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22222, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-06-26T04:41:49+08:00", "utc": "1961-06-25T20:41:49Z", "ms": -268802290549.74182 }, "end": { "local": "1961-06-27T02:30:28+08:00", "utc": "1961-06-26T18:30:28Z", "ms": -268723772101.09247 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-26T04:41:49+08:00", "utc": "1961-06-25T20:41:49Z", "ms": -268802290549.74182 }, "end": { "local": "1961-06-27T02:30:28+08:00", "utc": "1961-06-26T18:30:28Z", "ms": -268723772101.09247 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-06-25", "window": { "start": { "local": "1961-06-25T18:57:59+08:00", "utc": "1961-06-25T10:57:59Z", "ms": -268837321026.56705 }, "end": { "local": "1961-06-25T20:19:56+08:00", "utc": "1961-06-25T12:19:56Z", "ms": -268832403879.11304 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1961-06-26", "window": { "start": { "local": "1961-06-26T18:58:07+08:00", "utc": "1961-06-26T10:58:07Z", "ms": -268750912722.81796 }, "end": { "local": "1961-06-26T20:20:06+08:00", "utc": "1961-06-26T12:20:06Z", "ms": -268745994382.51352 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 04:42 on Mon 26 Jun to 02:30 on Tue 27 Jun.", "fact": "1961-06-25T20:41:49Z → 1961-06-26T18:30:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 25th, 18:58–20:20 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 25th and 82 of 82 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22222 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Monday 26 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": "1961-06-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Monday 26 June. Trayodaśī runs from 04:42 on Mon 26 Jun to 02:30 on Tue 27 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-06-26", "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/1961/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-06-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1028, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-06-27T23:45:51+08:00", "utc": "1961-06-27T15:45:51Z", "ms": -268647249332.2209 }, "end": { "local": "1961-06-28T20:37:30+08:00", "utc": "1961-06-28T12:37:30Z", "ms": -268572149746.56616 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1961-06-27T23:45:51+08:00", "utc": "1961-06-27T15:45:51Z", "ms": -268647249332.2209 }, "end": { "local": "1961-06-28T20:37:30+08:00", "utc": "1961-06-28T12:37:30Z", "ms": -268572149746.56616 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-06-27", "window": { "start": { "local": "1961-06-27T18:58:14+08:00", "utc": "1961-06-27T10:58:14Z", "ms": -268664505560.7921 }, "end": { "local": "1961-06-27T20:20:14+08:00", "utc": "1961-06-27T12:20:14Z", "ms": -268659585765.29633 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1961-06-28", "window": { "start": { "local": "1961-06-28T18:58:20+08:00", "utc": "1961-06-28T10:58:20Z", "ms": -268578099554.04822 }, "end": { "local": "1961-06-28T20:20:22+08:00", "utc": "1961-06-28T12:20:22Z", "ms": -268573178042.27454 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:46 on Tue 27 Jun to 20:38 on Wed 28 Jun.", "fact": "1961-06-27T15:45:51Z → 1961-06-28T12:37:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 27th, 18:58–20:20 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 82 minutes on the 27th and 82 of 82 on the 28th.", "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 1028 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 1961: Wednesday 28 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": "1961-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-06-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 1961 falls on Wednesday 28 June. Pūrṇimā runs from 23:46 on Tue 27 Jun to 20:38 on Wed 28 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-07-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35366, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-07-01T10:28:14+08:00", "utc": "1961-07-01T02:28:14Z", "ms": -268349506323.87698 }, "end": { "local": "1961-07-02T07:20:26+08:00", "utc": "1961-07-01T23:20:26Z", "ms": -268274374092.74792 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-01T10:28:14+08:00", "utc": "1961-07-01T02:28:14Z", "ms": -268349506323.87698 }, "end": { "local": "1961-07-02T07:20:26+08:00", "utc": "1961-07-01T23:20:26Z", "ms": -268274374092.74792 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-06-30", "window": { "start": { "local": "1961-06-30T20:39:05+08:00", "utc": "1961-06-30T12:39:05Z", "ms": -268399255008.84586 }, "end": { "local": "1961-06-30T20:39:05+08:00", "utc": "1961-06-30T12:39:05Z", "ms": -268399255008.84586 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-07-01", "window": { "start": { "local": "1961-07-01T21:31:00+08:00", "utc": "1961-07-01T13:31:00Z", "ms": -268309739741.13705 }, "end": { "local": "1961-07-01T21:31:00+08:00", "utc": "1961-07-01T13:31:00Z", "ms": -268309739741.13705 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:28 on Sat 1 Jul to 07:20 on Sun 2 Jul.", "fact": "1961-07-01T02:28:14Z → 1961-07-01T23:20:26Z" }, { "step": "kaala", "text": "Moonrise is at 20:39 on the 30th and 21:31 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35366 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Saturday 1 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": "1961-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Saturday 1 July. Caturthī runs from 10:28 on Sat 1 Jul to 07:20 on Sun 2 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-07-08", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26400, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-07-07T21:46:05+08:00", "utc": "1961-07-07T13:46:05Z", "ms": -267790434827.81436 }, "end": { "local": "1961-07-08T21:57:20+08:00", "utc": "1961-07-08T13:57:20Z", "ms": -267703360368.29904 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-07T21:46:05+08:00", "utc": "1961-07-07T13:46:05Z", "ms": -267790434827.81436 }, "end": { "local": "1961-07-08T21:57:20+08:00", "utc": "1961-07-08T13:57:20Z", "ms": -267703360368.29904 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-07-08", "window": { "start": { "local": "1961-07-08T05:16:54+08:00", "utc": "1961-07-07T21:16:54Z", "ms": -267763386141.5012 }, "end": { "local": "1961-07-08T05:16:54+08:00", "utc": "1961-07-07T21:16:54Z", "ms": -267763386141.5012 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-07-09", "window": { "start": { "local": "1961-07-09T05:17:19+08:00", "utc": "1961-07-08T21:17:19Z", "ms": -267676960617.45944 }, "end": { "local": "1961-07-09T05:17:19+08:00", "utc": "1961-07-08T21:17:19Z", "ms": -267676960617.45944 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:46 on Fri 7 Jul to 21:57 on Sat 8 Jul.", "fact": "1961-07-07T13:46:05Z → 1961-07-08T13:57:20Z" }, { "step": "kaala", "text": "Sunrise is at 05:17 on the 8th and 05:17 on the 9th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26400 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Fuzhou, 1961: Saturday 8 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": "1961-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Yoginī Ekādaśī 1961 falls on Saturday 8 July. Ekādaśī runs from 21:46 on Fri 7 Jul to 21:57 on Sat 8 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-07-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-07-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8187, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-07-09T22:37:11+08:00", "utc": "1961-07-09T14:37:11Z", "ms": -267614569155.60062 }, "end": { "local": "1961-07-10T23:44:01+08:00", "utc": "1961-07-10T15:44:01Z", "ms": -267524159070.13174 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-09T22:37:11+08:00", "utc": "1961-07-09T14:37:11Z", "ms": -267614569155.60062 }, "end": { "local": "1961-07-10T23:44:01+08:00", "utc": "1961-07-10T15:44:01Z", "ms": -267524159070.13174 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-07-09", "window": { "start": { "local": "1961-07-09T18:58:07+08:00", "utc": "1961-07-09T10:58:07Z", "ms": -267627712831.58426 }, "end": { "local": "1961-07-09T20:20:44+08:00", "utc": "1961-07-09T12:20:44Z", "ms": -267622755733.08484 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "1961-07-10", "window": { "start": { "local": "1961-07-10T18:57:58+08:00", "utc": "1961-07-10T10:57:58Z", "ms": -267541321515.01163 }, "end": { "local": "1961-07-10T20:20:40+08:00", "utc": "1961-07-10T12:20:40Z", "ms": -267536359726.42603 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:37 on Sun 9 Jul to 23:44 on Mon 10 Jul.", "fact": "1961-07-09T14:37:11Z → 1961-07-10T15:44:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:21 on the 9th, 18:58–20:21 on the 10th.", "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 9th and 83 of 83 on the 10th.", "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 8187 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Monday 10 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": "1961-07-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Monday 10 July. Trayodaśī runs from 22:37 on Sun 9 Jul to 23:44 on Mon 10 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-07-10", "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/1961/shivaratri?on=1961-07-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-10", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 4, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-07-10T23:44:01+08:00", "utc": "1961-07-10T15:44:01Z", "ms": -267524159070.13174 }, "end": { "local": "1961-07-12T01:16:03+08:00", "utc": "1961-07-11T17:16:03Z", "ms": -267432237231.8506 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-10T23:44:01+08:00", "utc": "1961-07-10T15:44:01Z", "ms": -267524159070.13174 }, "end": { "local": "1961-07-12T01:16:03+08:00", "utc": "1961-07-11T17:16:03Z", "ms": -267432237231.8506 } }, "kaala": "nishita", "days": [ { "local_date": "1961-07-10", "window": { "start": { "local": "1961-07-10T23:44:05+08:00", "utc": "1961-07-10T15:44:05Z", "ms": -267524154807.8156 }, "end": { "local": "1961-07-11T00:32:05+08:00", "utc": "1961-07-10T16:32:05Z", "ms": -267521274807.8156 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-07-11", "window": { "start": { "local": "1961-07-11T23:44:14+08:00", "utc": "1961-07-11T15:44:14Z", "ms": -267437746328.99677 }, "end": { "local": "1961-07-12T00:32:14+08:00", "utc": "1961-07-11T16:32:14Z", "ms": -267434866328.99677 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:44 on Mon 10 Jul to 01:16 on Wed 12 Jul.", "fact": "1961-07-10T15:44:01Z → 1961-07-11T17:16:03Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 10th, 23:44–00:32 on the 11th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 10th and 48 of 48 on the 11th.", "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 4 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Monday 10 July.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-07-10", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-11", "confidence": "boundary" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Monday 10 July. Caturdaśī runs from 23:44 on Mon 10 Jul to 01:16 on Wed 12 Jul and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 04 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-07-10", "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/1961/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13772, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1961-07-14T05:25:38+08:00", "utc": "1961-07-13T21:25:38Z", "ms": -267244462312.00266 }, "end": { "local": "1961-07-15T07:54:57+08:00", "utc": "1961-07-14T23:54:57Z", "ms": -267149102914.84406 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-14T05:25:38+08:00", "utc": "1961-07-13T21:25:38Z", "ms": -267244462312.00266 }, "end": { "local": "1961-07-15T07:54:57+08:00", "utc": "1961-07-14T23:54:57Z", "ms": -267149102914.84406 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-07-14", "window": { "start": { "local": "1961-07-14T11:44:22+08:00", "utc": "1961-07-14T03:44:22Z", "ms": -267221737659.0515 }, "end": { "local": "1961-07-14T12:32:22+08:00", "utc": "1961-07-14T04:32:22Z", "ms": -267218857659.0515 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-07-15", "window": { "start": { "local": "1961-07-15T11:44:29+08:00", "utc": "1961-07-15T03:44:29Z", "ms": -267135331226.80496 }, "end": { "local": "1961-07-15T12:32:29+08:00", "utc": "1961-07-15T04:32:29Z", "ms": -267132451226.80496 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 05:26 on Fri 14 Jul to 07:55 on Sat 15 Jul.", "fact": "1961-07-13T21:25:38Z → 1961-07-14T23:54:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 14th, 11:44–12:32 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13772 s" }, { "step": "ruling", "text": "Rathayātrā, Fuzhou, 1961: Friday 14 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": "1961-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Rathayātrā 1961 falls on Friday 14 July. Dvitīyā runs from 05:26 on Fri 14 Jul to 07:55 on Sat 15 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vinayaka-chaturthi?on=1961-07-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-16", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 2061, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-07-16T10:31:52+08:00", "utc": "1961-07-16T02:31:52Z", "ms": -267053287523.6616 }, "end": { "local": "1961-07-17T13:07:01+08:00", "utc": "1961-07-17T05:07:01Z", "ms": -266957579154.92902 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-16T10:31:52+08:00", "utc": "1961-07-16T02:31:52Z", "ms": -267053287523.6616 }, "end": { "local": "1961-07-17T13:07:01+08:00", "utc": "1961-07-17T05:07:01Z", "ms": -266957579154.92902 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-07-16", "window": { "start": { "local": "1961-07-16T11:44:35+08:00", "utc": "1961-07-16T03:44:35Z", "ms": -267048925295.96594 }, "end": { "local": "1961-07-16T12:32:35+08:00", "utc": "1961-07-16T04:32:35Z", "ms": -267046045295.96594 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-07-17", "window": { "start": { "local": "1961-07-17T11:44:40+08:00", "utc": "1961-07-17T03:44:40Z", "ms": -266962519882.16208 }, "end": { "local": "1961-07-17T12:32:40+08:00", "utc": "1961-07-17T04:32:40Z", "ms": -266959639882.16208 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturthī runs from 10:32 on Sun 16 Jul to 13:07 on Mon 17 Jul.", "fact": "1961-07-16T02:31:52Z → 1961-07-17T05:07:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 16th, 11:45–12:33 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 48 of 48 on the 17th.", "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 2061 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Sunday 16 July.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-07-16", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-16", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Sunday 16 July. Caturthī runs from 10:32 on Sun 16 Jul to 13:07 on Mon 17 Jul and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-07-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2061, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1961-07-17T13:07:01+08:00", "utc": "1961-07-17T05:07:01Z", "ms": -266957579154.92902 }, "end": { "local": "1961-07-18T15:29:12+08:00", "utc": "1961-07-18T07:29:12Z", "ms": -266862647729.62555 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-17T13:07:01+08:00", "utc": "1961-07-17T05:07:01Z", "ms": -266957579154.92902 }, "end": { "local": "1961-07-18T15:29:12+08:00", "utc": "1961-07-18T07:29:12Z", "ms": -266862647729.62555 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-07-17", "window": { "start": { "local": "1961-07-17T11:44:40+08:00", "utc": "1961-07-17T03:44:40Z", "ms": -266962519882.16208 }, "end": { "local": "1961-07-17T12:32:40+08:00", "utc": "1961-07-17T04:32:40Z", "ms": -266959639882.16208 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-07-18", "window": { "start": { "local": "1961-07-18T11:44:45+08:00", "utc": "1961-07-18T03:44:45Z", "ms": -266876114999.88824 }, "end": { "local": "1961-07-18T12:32:45+08:00", "utc": "1961-07-18T04:32:45Z", "ms": -266873234999.88824 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:07 on Mon 17 Jul to 15:29 on Tue 18 Jul.", "fact": "1961-07-17T05:07:01Z → 1961-07-18T07:29:12Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 17th, 11:45–12:33 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2061 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Fuzhou, 1961: Tuesday 18 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": "1961-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Pañcamī 1961 falls on Tuesday 18 July. Pañcamī runs from 13:07 on Mon 17 Jul to 15:29 on Tue 18 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17629, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1961-07-19T17:26:39+08:00", "utc": "1961-07-19T09:26:39Z", "ms": -266769201358.7766 }, "end": { "local": "1961-07-20T18:48:28+08:00", "utc": "1961-07-20T10:48:28Z", "ms": -266677892035.05246 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-19T17:26:39+08:00", "utc": "1961-07-19T09:26:39Z", "ms": -266769201358.7766 }, "end": { "local": "1961-07-20T18:48:28+08:00", "utc": "1961-07-20T10:48:28Z", "ms": -266677892035.05246 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-07-19", "window": { "start": { "local": "1961-07-19T11:44:49+08:00", "utc": "1961-07-19T03:44:49Z", "ms": -266789710662.45074 }, "end": { "local": "1961-07-19T12:32:49+08:00", "utc": "1961-07-19T04:32:49Z", "ms": -266786830662.45074 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-07-20", "window": { "start": { "local": "1961-07-20T11:44:53+08:00", "utc": "1961-07-20T03:44:53Z", "ms": -266703306881.91382 }, "end": { "local": "1961-07-20T12:32:53+08:00", "utc": "1961-07-20T04:32:53Z", "ms": -266700426881.91382 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:27 on Wed 19 Jul to 18:48 on Thu 20 Jul.", "fact": "1961-07-19T09:26:39Z → 1961-07-20T10:48:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 19th, 11:45–12:33 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 17629 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Fuzhou, 1961: Thursday 20 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": "1961-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Vivasvat Saptamī 1961 falls on Thursday 20 July. Saptamī runs from 17:27 on Wed 19 Jul to 18:48 on Thu 20 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-07-24", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39771, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-07-23T18:14:43+08:00", "utc": "1961-07-23T10:14:43Z", "ms": -266420716753.27112 }, "end": { "local": "1961-07-24T16:27:15+08:00", "utc": "1961-07-24T08:27:15Z", "ms": -266340764699.76096 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-23T18:14:43+08:00", "utc": "1961-07-23T10:14:43Z", "ms": -266420716753.27112 }, "end": { "local": "1961-07-24T16:27:15+08:00", "utc": "1961-07-24T08:27:15Z", "ms": -266340764699.76096 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-07-23", "window": { "start": { "local": "1961-07-23T05:23:55+08:00", "utc": "1961-07-22T21:23:55Z", "ms": -266466965216.21548 }, "end": { "local": "1961-07-23T05:23:55+08:00", "utc": "1961-07-22T21:23:55Z", "ms": -266466965216.21548 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-07-24", "window": { "start": { "local": "1961-07-24T05:24:25+08:00", "utc": "1961-07-23T21:24:25Z", "ms": -266380535431.42752 }, "end": { "local": "1961-07-24T05:24:25+08:00", "utc": "1961-07-23T21:24:25Z", "ms": -266380535431.42752 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:15 on Sun 23 Jul to 16:27 on Mon 24 Jul.", "fact": "1961-07-23T10:14:43Z → 1961-07-24T08:27:15Z" }, { "step": "kaala", "text": "Sunrise is at 05:24 on the 23rd and 05:24 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39771 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Fuzhou, 1961: Monday 24 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": "1961-07-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Hariśayanī Ekādaśī 1961 falls on Monday 24 July. Ekādaśī runs from 18:15 on Sun 23 Jul to 16:27 on Mon 24 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-07-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-07-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17672, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-07-25T13:58:40+08:00", "utc": "1961-07-25T05:58:40Z", "ms": -266263280189.95526 }, "end": { "local": "1961-07-26T10:56:45+08:00", "utc": "1961-07-26T02:56:45Z", "ms": -266187794529.54874 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-25T13:58:40+08:00", "utc": "1961-07-25T05:58:40Z", "ms": -266263280189.95526 }, "end": { "local": "1961-07-26T10:56:45+08:00", "utc": "1961-07-26T02:56:45Z", "ms": -266187794529.54874 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-07-25", "window": { "start": { "local": "1961-07-25T18:53:12+08:00", "utc": "1961-07-25T10:53:12Z", "ms": -266245607738.6201 }, "end": { "local": "1961-07-25T20:17:30+08:00", "utc": "1961-07-25T12:17:30Z", "ms": -266240550128.90497 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1961-07-26", "window": { "start": { "local": "1961-07-26T18:52:43+08:00", "utc": "1961-07-26T10:52:43Z", "ms": -266159237112.89352 }, "end": { "local": "1961-07-26T20:17:08+08:00", "utc": "1961-07-26T12:17:08Z", "ms": -266154171593.9229 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:59 on Tue 25 Jul to 10:57 on Wed 26 Jul.", "fact": "1961-07-25T05:58:40Z → 1961-07-26T02:56:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:17 on the 25th, 18:53–20:17 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 25th and 0 of 84 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17672 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Tuesday 25 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": "1961-07-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Tuesday 25 July. Trayodaśī runs from 13:59 on Tue 25 Jul to 10:57 on Wed 26 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-07-25", "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/1961/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-27", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2191, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-07-27T07:30:38+08:00", "utc": "1961-07-26T23:30:38Z", "ms": -266113761538.06842 }, "end": { "local": "1961-07-28T03:50:04+08:00", "utc": "1961-07-27T19:50:04Z", "ms": -266040595962.55942 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-27T07:30:38+08:00", "utc": "1961-07-26T23:30:38Z", "ms": -266113761538.06842 }, "end": { "local": "1961-07-28T03:50:04+08:00", "utc": "1961-07-27T19:50:04Z", "ms": -266040595962.55942 } }, "kaala": "udaya-3", "days": [ { "local_date": "1961-07-27", "window": { "start": { "local": "1961-07-27T05:25:54+08:00", "utc": "1961-07-26T21:25:54Z", "ms": -266121245720.614 }, "end": { "local": "1961-07-27T08:07:10+08:00", "utc": "1961-07-27T00:07:10Z", "ms": -266111570120.37 } }, "covered_min": 37, "window_min": 161, "qualifies": false }, { "local_date": "1961-07-28", "window": { "start": { "local": "1961-07-28T05:26:24+08:00", "utc": "1961-07-27T21:26:24Z", "ms": -266034815754.43875 }, "end": { "local": "1961-07-28T08:07:27+08:00", "utc": "1961-07-28T00:07:27Z", "ms": -266025152511.78787 } }, "covered_min": 0, "window_min": 161, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:31 on Thu 27 Jul to 03:50 on Fri 28 Jul.", "fact": "1961-07-26T23:30:38Z → 1961-07-27T19:50:04Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:26–08:07 on the 27th, 05:26–08:07 on the 28th.", "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 37 of 161 minutes on the 27th and 0 of 161 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither morning qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2191 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Fuzhou, 1961: Thursday 27 July.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-07-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-27", "confidence": "boundary" } ], "quote": "In Fuzhou, Vyāsa Pūjā 1961 falls on Thursday 27 July. Pūrṇimā runs from 07:31 on Thu 27 Jul to 03:50 on Fri 28 Jul, and reaches the first three muhūrtas after sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15265, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-07-27T07:30:38+08:00", "utc": "1961-07-26T23:30:38Z", "ms": -266113761538.06842 }, "end": { "local": "1961-07-28T03:50:04+08:00", "utc": "1961-07-27T19:50:04Z", "ms": -266040595962.55942 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-27T07:30:38+08:00", "utc": "1961-07-26T23:30:38Z", "ms": -266113761538.06842 }, "end": { "local": "1961-07-28T03:50:04+08:00", "utc": "1961-07-27T19:50:04Z", "ms": -266040595962.55942 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-07-27", "window": { "start": { "local": "1961-07-27T11:45:03+08:00", "utc": "1961-07-27T03:45:03Z", "ms": -266098496720.00397 }, "end": { "local": "1961-07-27T12:33:03+08:00", "utc": "1961-07-27T04:33:03Z", "ms": -266095616720.00397 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-07-28", "window": { "start": { "local": "1961-07-28T11:45:02+08:00", "utc": "1961-07-28T03:45:02Z", "ms": -266012097647.81158 }, "end": { "local": "1961-07-28T12:33:02+08:00", "utc": "1961-07-28T04:33:02Z", "ms": -266009217647.81158 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:31 on Thu 27 Jul to 03:50 on Fri 28 Jul.", "fact": "1961-07-26T23:30:38Z → 1961-07-27T19:50:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 27th, 11:45–12:33 on the 28th.", "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 27th and 0 of 48 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15265 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Fuzhou, 1961: Thursday 27 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": "1961-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Guru Pūrṇimā 1961 falls on Thursday 27 July. Pūrṇimā runs from 07:31 on Thu 27 Jul to 03:50 on Fri 28 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31218, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-07-27T07:30:38+08:00", "utc": "1961-07-26T23:30:38Z", "ms": -266113761538.06842 }, "end": { "local": "1961-07-28T03:50:04+08:00", "utc": "1961-07-27T19:50:04Z", "ms": -266040595962.55942 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-27T07:30:38+08:00", "utc": "1961-07-26T23:30:38Z", "ms": -266113761538.06842 }, "end": { "local": "1961-07-28T03:50:04+08:00", "utc": "1961-07-27T19:50:04Z", "ms": -266040595962.55942 } }, "kaala": "sayahna", "days": [ { "local_date": "1961-07-27", "window": { "start": { "local": "1961-07-27T16:10:57+08:00", "utc": "1961-07-27T08:10:57Z", "ms": -266082543319.63794 }, "end": { "local": "1961-07-27T18:52:12+08:00", "utc": "1961-07-27T10:52:12Z", "ms": -266072867719.39392 } }, "covered_min": 161, "window_min": 161, "qualifies": true }, { "local_date": "1961-07-28", "window": { "start": { "local": "1961-07-28T16:10:37+08:00", "utc": "1961-07-28T08:10:37Z", "ms": -265996162783.83527 }, "end": { "local": "1961-07-28T18:51:40+08:00", "utc": "1961-07-28T10:51:40Z", "ms": -265986499541.1844 } }, "covered_min": 0, "window_min": 161, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:31 on Thu 27 Jul to 03:50 on Fri 28 Jul.", "fact": "1961-07-26T23:30:38Z → 1961-07-27T19:50:04Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:11–18:52 on the 27th, 16:11–18:52 on the 28th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 161 of 161 minutes on the 27th and 0 of 161 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31218 s" }, { "step": "ruling", "text": "Kokilā Vrata, Fuzhou, 1961: Thursday 27 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kokila-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "sayahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Kokilā Vrata 1961 falls on Thursday 27 July. Pūrṇimā runs from 07:31 on Thu 27 Jul to 03:50 on Fri 28 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27198, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-07-27T07:30:38+08:00", "utc": "1961-07-26T23:30:38Z", "ms": -266113761538.06842 }, "end": { "local": "1961-07-28T03:50:04+08:00", "utc": "1961-07-27T19:50:04Z", "ms": -266040595962.55942 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1961-07-27T07:30:38+08:00", "utc": "1961-07-26T23:30:38Z", "ms": -266113761538.06842 }, "end": { "local": "1961-07-28T03:50:04+08:00", "utc": "1961-07-27T19:50:04Z", "ms": -266040595962.55942 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-07-26", "window": { "start": { "local": "1961-07-26T18:52:43+08:00", "utc": "1961-07-26T10:52:43Z", "ms": -266159237112.89352 }, "end": { "local": "1961-07-26T20:17:08+08:00", "utc": "1961-07-26T12:17:08Z", "ms": -266154171593.9229 } }, "covered_min": 0, "window_min": 84, "qualifies": false }, { "local_date": "1961-07-27", "window": { "start": { "local": "1961-07-27T18:52:12+08:00", "utc": "1961-07-27T10:52:12Z", "ms": -266072867719.39392 }, "end": { "local": "1961-07-27T20:16:46+08:00", "utc": "1961-07-27T12:16:46Z", "ms": -266067794124.06656 } }, "covered_min": 85, "window_min": 85, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:31 on Thu 27 Jul to 03:50 on Fri 28 Jul.", "fact": "1961-07-26T23:30:38Z → 1961-07-27T19:50:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:53–20:17 on the 26th, 18:52–20:17 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 84 minutes on the 26th and 85 of 85 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27198 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Fuzhou, 1961: Thursday 27 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": "1961-07-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Śiva Śayanotsava 1961 falls on Thursday 27 July. Pūrṇimā runs from 07:31 on Thu 27 Jul to 03:50 on Fri 28 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 942, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1961-07-29T00:04:58+08:00", "utc": "1961-07-28T16:04:58Z", "ms": -265967702490.66772 }, "end": { "local": "1961-07-29T20:25:02+08:00", "utc": "1961-07-29T12:25:02Z", "ms": -265894497827.6046 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-07-29T00:04:58+08:00", "utc": "1961-07-28T16:04:58Z", "ms": -265967702490.66772 }, "end": { "local": "1961-07-29T20:25:02+08:00", "utc": "1961-07-29T12:25:02Z", "ms": -265894497827.6046 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-07-28", "window": { "start": { "local": "1961-07-28T19:18:14+08:00", "utc": "1961-07-28T11:18:14Z", "ms": -265984906479.48083 }, "end": { "local": "1961-07-28T19:18:14+08:00", "utc": "1961-07-28T11:18:14Z", "ms": -265984906479.48083 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-07-29", "window": { "start": { "local": "1961-07-29T20:09:20+08:00", "utc": "1961-07-29T12:09:20Z", "ms": -265895440208.99933 }, "end": { "local": "1961-07-29T20:09:20+08:00", "utc": "1961-07-29T12:09:20Z", "ms": -265895440208.99933 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 00:05 on Sat 29 Jul to 20:25 on Sat 29 Jul.", "fact": "1961-07-28T16:04:58Z → 1961-07-29T12:25:02Z" }, { "step": "kaala", "text": "Moonrise is at 19:18 on the 28th and 20:09 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā 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. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 942 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 1961: Saturday 29 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": "1961-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 1961 falls on Saturday 29 July. Dvitīyā runs from 00:05 on Sat 29 Jul to 20:25 on Sat 29 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-07-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14212, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-07-30T16:59:31+08:00", "utc": "1961-07-30T08:59:31Z", "ms": -265820429238.5745 }, "end": { "local": "1961-07-31T13:56:47+08:00", "utc": "1961-07-31T05:56:47Z", "ms": -265744992681.4132 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-07-30T16:59:31+08:00", "utc": "1961-07-30T08:59:31Z", "ms": -265820429238.5745 }, "end": { "local": "1961-07-31T13:56:47+08:00", "utc": "1961-07-31T05:56:47Z", "ms": -265744992681.4132 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-07-30", "window": { "start": { "local": "1961-07-30T20:56:22+08:00", "utc": "1961-07-30T12:56:22Z", "ms": -265806217579.523 }, "end": { "local": "1961-07-30T20:56:22+08:00", "utc": "1961-07-30T12:56:22Z", "ms": -265806217579.523 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-07-31", "window": { "start": { "local": "1961-07-31T21:40:15+08:00", "utc": "1961-07-31T13:40:15Z", "ms": -265717184794.96762 }, "end": { "local": "1961-07-31T21:40:15+08:00", "utc": "1961-07-31T13:40:15Z", "ms": -265717184794.96762 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:00 on Sun 30 Jul to 13:57 on Mon 31 Jul.", "fact": "1961-07-30T08:59:31Z → 1961-07-31T05:56:47Z" }, { "step": "kaala", "text": "Moonrise is at 20:56 on the 30th and 21:40 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 30th and is not on the 31st.", "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 14212 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Sunday 30 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": "1961-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-07-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Sunday 30 July. Caturthī runs from 17:00 on Sun 30 Jul to 13:57 on Mon 31 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-07-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-08-07", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10370, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-08-06T08:23:43+08:00", "utc": "1961-08-06T00:23:43Z", "ms": -265246576995.48706 }, "end": { "local": "1961-08-07T09:41:37+08:00", "utc": "1961-08-07T01:41:37Z", "ms": -265155503467.46634 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-06T08:23:43+08:00", "utc": "1961-08-06T00:23:43Z", "ms": -265246576995.48706 }, "end": { "local": "1961-08-07T09:41:37+08:00", "utc": "1961-08-07T01:41:37Z", "ms": -265155503467.46634 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-08-06", "window": { "start": { "local": "1961-08-06T05:30:53+08:00", "utc": "1961-08-05T21:30:53Z", "ms": -265256947145.8303 }, "end": { "local": "1961-08-06T05:30:53+08:00", "utc": "1961-08-05T21:30:53Z", "ms": -265256947145.8303 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-08-07", "window": { "start": { "local": "1961-08-07T05:31:22+08:00", "utc": "1961-08-06T21:31:22Z", "ms": -265170517655.56638 }, "end": { "local": "1961-08-07T05:31:22+08:00", "utc": "1961-08-06T21:31:22Z", "ms": -265170517655.56638 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:24 on Sun 6 Aug to 09:42 on Mon 7 Aug.", "fact": "1961-08-06T00:23:43Z → 1961-08-07T01:41:37Z" }, { "step": "kaala", "text": "Sunrise is at 05:31 on the 6th and 05:31 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 10370 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Fuzhou, 1961: Monday 7 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": "1961-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmikā Ekādaśī 1961 falls on Monday 7 August. Ekādaśī runs from 08:24 on Sun 6 Aug to 09:42 on Mon 7 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-08-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-08-08", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18418, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-08-08T11:28:03+08:00", "utc": "1961-08-08T03:28:03Z", "ms": -265062716693.03442 }, "end": { "local": "1961-08-09T13:36:52+08:00", "utc": "1961-08-09T05:36:52Z", "ms": -264968587866.68997 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-08T11:28:03+08:00", "utc": "1961-08-08T03:28:03Z", "ms": -265062716693.03442 }, "end": { "local": "1961-08-09T13:36:52+08:00", "utc": "1961-08-09T05:36:52Z", "ms": -264968587866.68997 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-08-08", "window": { "start": { "local": "1961-08-08T18:44:35+08:00", "utc": "1961-08-08T10:44:35Z", "ms": -265036524745.55002 }, "end": { "local": "1961-08-08T20:10:57+08:00", "utc": "1961-08-08T12:10:57Z", "ms": -265031342652.67667 } }, "covered_min": 86, "window_min": 86, "qualifies": true }, { "local_date": "1961-08-09", "window": { "start": { "local": "1961-08-09T18:43:50+08:00", "utc": "1961-08-09T10:43:50Z", "ms": -264950169792.37808 }, "end": { "local": "1961-08-09T20:10:22+08:00", "utc": "1961-08-09T12:10:22Z", "ms": -264944977814.40387 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:28 on Tue 8 Aug to 13:37 on Wed 9 Aug.", "fact": "1961-08-08T03:28:03Z → 1961-08-09T05:36:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:11 on the 8th, 18:44–20:10 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 86 of 86 minutes on the 8th and 0 of 87 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 18418 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Tuesday 8 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": "1961-08-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Tuesday 8 August. Trayodaśī runs from 11:28 on Tue 8 Aug to 13:37 on Wed 9 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-08-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/shivaratri?on=1961-08-09", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27755, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-08-09T13:36:52+08:00", "utc": "1961-08-09T05:36:52Z", "ms": -264968587866.68997 }, "end": { "local": "1961-08-10T16:01:37+08:00", "utc": "1961-08-10T08:01:37Z", "ms": -264873503469.6883 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-09T13:36:52+08:00", "utc": "1961-08-09T05:36:52Z", "ms": -264968587866.68997 }, "end": { "local": "1961-08-10T16:01:37+08:00", "utc": "1961-08-10T08:01:37Z", "ms": -264873503469.6883 } }, "kaala": "nishita", "days": [ { "local_date": "1961-08-09", "window": { "start": { "local": "1961-08-09T23:44:20+08:00", "utc": "1961-08-09T15:44:20Z", "ms": -264932139874.9748 }, "end": { "local": "1961-08-10T00:32:20+08:00", "utc": "1961-08-09T16:32:20Z", "ms": -264929259874.9748 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-08-10", "window": { "start": { "local": "1961-08-10T23:44:12+08:00", "utc": "1961-08-10T15:44:12Z", "ms": -264845748427.59723 }, "end": { "local": "1961-08-11T00:32:12+08:00", "utc": "1961-08-10T16:32:12Z", "ms": -264842868427.59723 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:37 on Wed 9 Aug to 16:02 on Thu 10 Aug.", "fact": "1961-08-09T05:36:52Z → 1961-08-10T08:01:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 9th, 23:44–00:32 on the 10th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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 27755 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Wednesday 9 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": "1961-08-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Wednesday 9 August. Caturdaśī runs from 13:37 on Wed 9 Aug to 16:02 on Thu 10 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-08-09", "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/1961/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34645, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1961-08-13T23:45:02+08:00", "utc": "1961-08-13T15:45:02Z", "ms": -264586497599.99078 }, "end": { "local": "1961-08-15T02:05:41+08:00", "utc": "1961-08-14T18:05:41Z", "ms": -264491658807.69165 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-13T23:45:02+08:00", "utc": "1961-08-13T15:45:02Z", "ms": -264586497599.99078 }, "end": { "local": "1961-08-15T02:05:41+08:00", "utc": "1961-08-14T18:05:41Z", "ms": -264491658807.69165 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-08-14", "window": { "start": { "local": "1961-08-14T11:43:18+08:00", "utc": "1961-08-14T03:43:18Z", "ms": -264543402417.58997 }, "end": { "local": "1961-08-14T12:31:18+08:00", "utc": "1961-08-14T04:31:18Z", "ms": -264540522417.58997 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-08-15", "window": { "start": { "local": "1961-08-15T11:43:06+08:00", "utc": "1961-08-15T03:43:06Z", "ms": -264457013681.96887 }, "end": { "local": "1961-08-15T12:31:06+08:00", "utc": "1961-08-15T04:31:06Z", "ms": -264454133681.96887 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 23:45 on Sun 13 Aug to 02:06 on Tue 15 Aug.", "fact": "1961-08-13T15:45:02Z → 1961-08-14T18:05:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 14th, 11:43–12:31 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34645 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Fuzhou, 1961: Monday 14 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": "1961-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 1961 falls on Monday 14 August. Tṛtīyā runs from 23:45 on Sun 13 Aug to 02:06 on Tue 15 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vinayaka-chaturthi?on=1961-08-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27376, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-08-15T02:05:41+08:00", "utc": "1961-08-14T18:05:41Z", "ms": -264491658807.69165 }, "end": { "local": "1961-08-16T04:06:39+08:00", "utc": "1961-08-15T20:06:39Z", "ms": -264398001082.71902 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-15T02:05:41+08:00", "utc": "1961-08-14T18:05:41Z", "ms": -264491658807.69165 }, "end": { "local": "1961-08-16T04:06:39+08:00", "utc": "1961-08-15T20:06:39Z", "ms": -264398001082.71902 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-08-15", "window": { "start": { "local": "1961-08-15T11:43:06+08:00", "utc": "1961-08-15T03:43:06Z", "ms": -264457013681.96887 }, "end": { "local": "1961-08-15T12:31:06+08:00", "utc": "1961-08-15T04:31:06Z", "ms": -264454133681.96887 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-08-16", "window": { "start": { "local": "1961-08-16T11:42:55+08:00", "utc": "1961-08-16T03:42:55Z", "ms": -264370625488.132 }, "end": { "local": "1961-08-16T12:30:55+08:00", "utc": "1961-08-16T04:30:55Z", "ms": -264367745488.132 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:06 on Tue 15 Aug to 04:07 on Wed 16 Aug.", "fact": "1961-08-14T18:05:41Z → 1961-08-15T20:06:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 15th, 11:43–12:31 on the 16th.", "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 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27376 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Tuesday 15 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": "1961-08-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Tuesday 15 August. Caturthī runs from 02:06 on Tue 15 Aug to 04:07 on Wed 16 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-08-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21755, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1961-08-16T04:06:39+08:00", "utc": "1961-08-15T20:06:39Z", "ms": -264398001082.71902 }, "end": { "local": "1961-08-17T05:40:07+08:00", "utc": "1961-08-16T21:40:07Z", "ms": -264305992660.54446 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-16T04:06:39+08:00", "utc": "1961-08-15T20:06:39Z", "ms": -264398001082.71902 }, "end": { "local": "1961-08-17T05:40:07+08:00", "utc": "1961-08-16T21:40:07Z", "ms": -264305992660.54446 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-08-16", "window": { "start": { "local": "1961-08-16T11:42:55+08:00", "utc": "1961-08-16T03:42:55Z", "ms": -264370625488.132 }, "end": { "local": "1961-08-16T12:30:55+08:00", "utc": "1961-08-16T04:30:55Z", "ms": -264367745488.132 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-08-17", "window": { "start": { "local": "1961-08-17T11:42:42+08:00", "utc": "1961-08-17T03:42:42Z", "ms": -264284237828.73773 }, "end": { "local": "1961-08-17T12:30:42+08:00", "utc": "1961-08-17T04:30:42Z", "ms": -264281357828.73773 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:07 on Wed 16 Aug to 05:40 on Thu 17 Aug.", "fact": "1961-08-15T20:06:39Z → 1961-08-16T21:40:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 16th, 11:43–12:31 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21755 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Fuzhou, 1961: Wednesday 16 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": "1961-08-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī 1961 falls on Wednesday 16 August. Pañcamī runs from 04:07 on Wed 16 Aug to 05:40 on Thu 17 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-08-22", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7510, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-08-22T03:33:14+08:00", "utc": "1961-08-21T19:33:14Z", "ms": -263881605603.20853 }, "end": { "local": "1961-08-23T01:04:13+08:00", "utc": "1961-08-22T17:04:13Z", "ms": -263804147021.59125 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-22T03:33:14+08:00", "utc": "1961-08-21T19:33:14Z", "ms": -263881605603.20853 }, "end": { "local": "1961-08-23T01:04:13+08:00", "utc": "1961-08-22T17:04:13Z", "ms": -263804147021.59125 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-08-22", "window": { "start": { "local": "1961-08-22T05:38:25+08:00", "utc": "1961-08-21T21:38:25Z", "ms": -263874095372.20016 }, "end": { "local": "1961-08-22T05:38:25+08:00", "utc": "1961-08-21T21:38:25Z", "ms": -263874095372.20016 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-08-23", "window": { "start": { "local": "1961-08-23T05:38:51+08:00", "utc": "1961-08-22T21:38:51Z", "ms": -263787668839.50586 }, "end": { "local": "1961-08-23T05:38:51+08:00", "utc": "1961-08-22T21:38:51Z", "ms": -263787668839.50586 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:33 on Tue 22 Aug to 01:04 on Wed 23 Aug.", "fact": "1961-08-21T19:33:14Z → 1961-08-22T17:04:13Z" }, { "step": "kaala", "text": "Sunrise is at 05:38 on the 22nd and 05:39 on the 23rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7510 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 1961: Tuesday 22 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": "1961-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 1961 falls on Tuesday 22 August. Ekādaśī runs from 03:33 on Tue 22 Aug to 01:04 on Wed 23 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-08-22", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34454, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1961-08-23T01:04:13+08:00", "utc": "1961-08-22T17:04:13Z", "ms": -263804147021.59125 }, "end": { "local": "1961-08-23T22:03:31+08:00", "utc": "1961-08-23T14:03:31Z", "ms": -263728588803.55576 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-23T01:04:13+08:00", "utc": "1961-08-22T17:04:13Z", "ms": -263804147021.59125 }, "end": { "local": "1961-08-23T22:03:31+08:00", "utc": "1961-08-23T14:03:31Z", "ms": -263728588803.55576 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-08-22", "window": { "start": { "local": "1961-08-22T11:41:33+08:00", "utc": "1961-08-22T03:41:33Z", "ms": -263852307221.40558 }, "end": { "local": "1961-08-22T12:29:33+08:00", "utc": "1961-08-22T04:29:33Z", "ms": -263849427221.40558 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-08-23", "window": { "start": { "local": "1961-08-23T11:41:17+08:00", "utc": "1961-08-23T03:41:17Z", "ms": -263765922555.8022 }, "end": { "local": "1961-08-23T12:29:17+08:00", "utc": "1961-08-23T04:29:17Z", "ms": -263763042555.8022 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:04 on Wed 23 Aug to 22:04 on Wed 23 Aug.", "fact": "1961-08-22T17:04:13Z → 1961-08-23T14:03:31Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34454 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Fuzhou, 1961: Wednesday 23 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": "1961-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Dāmodara Dvādaśī 1961 falls on Wednesday 23 August. Dvādaśī runs from 01:04 on Wed 23 Aug to 22:04 on Wed 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-08-24", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 486, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-08-23T22:03:31+08:00", "utc": "1961-08-23T14:03:31Z", "ms": -263728588803.55576 }, "end": { "local": "1961-08-24T18:38:52+08:00", "utc": "1961-08-24T10:38:52Z", "ms": -263654467762.18732 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-23T22:03:31+08:00", "utc": "1961-08-23T14:03:31Z", "ms": -263728588803.55576 }, "end": { "local": "1961-08-24T18:38:52+08:00", "utc": "1961-08-24T10:38:52Z", "ms": -263654467762.18732 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-08-23", "window": { "start": { "local": "1961-08-23T18:31:44+08:00", "utc": "1961-08-23T10:31:44Z", "ms": -263741296272.09848 }, "end": { "local": "1961-08-23T20:00:44+08:00", "utc": "1961-08-23T12:00:44Z", "ms": -263735955770.76437 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1961-08-24", "window": { "start": { "local": "1961-08-24T18:30:46+08:00", "utc": "1961-08-24T10:30:46Z", "ms": -263654954171.0032 }, "end": { "local": "1961-08-24T19:59:58+08:00", "utc": "1961-08-24T11:59:58Z", "ms": -263649602465.9049 } }, "covered_min": 8, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:04 on Wed 23 Aug to 18:39 on Thu 24 Aug.", "fact": "1961-08-23T14:03:31Z → 1961-08-24T10:38:52Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:01 on the 23rd, 18:31–20:00 on the 24th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 23rd and 8 of 89 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 486 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Thursday 24 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": "1961-08-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Thursday 24 August. Trayodaśī runs from 22:04 on Wed 23 Aug to 18:39 on Thu 24 Aug and covers 8 of 89 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-08-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 16434, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-08-25T14:59:00+08:00", "utc": "1961-08-25T06:59:00Z", "ms": -263581260222.66702 }, "end": { "local": "1961-08-26T11:13:15+08:00", "utc": "1961-08-26T03:13:15Z", "ms": -263508404500.48285 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1961-08-26T01:06:16+08:00", "utc": "1961-08-25T17:06:16Z", "ms": -263544824447.31897 }, "end": { "local": "1961-08-26T11:13:15+08:00", "utc": "1961-08-26T03:13:15Z", "ms": -263508404500.48285 } }, "kaala": "day", "days": [ { "local_date": "1961-08-25", "window": { "start": { "local": "1961-08-25T05:39:44+08:00", "utc": "1961-08-24T21:39:44Z", "ms": -263614816382.76593 }, "end": { "local": "1961-08-26T05:40:10+08:00", "utc": "1961-08-25T21:40:10Z", "ms": -263528390442.29794 } }, "covered_min": 274, "window_min": 1440, "qualifies": true }, { "local_date": "1961-08-26", "window": { "start": { "local": "1961-08-26T05:40:10+08:00", "utc": "1961-08-25T21:40:10Z", "ms": -263528390442.29794 }, "end": { "local": "1961-08-27T05:40:35+08:00", "utc": "1961-08-26T21:40:35Z", "ms": -263441964679.83597 } }, "covered_min": 333, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:59 on Fri 25 Aug to 11:13 on Sat 26 Aug. Its second half begins at 01:06 on Sat 26 Aug.", "fact": "1961-08-25T06:59:00Z → 1961-08-26T03:13:15Z · second half from 1961-08-25T17:06:16Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:40 on the 25th, and from 05:40 on the 26th.", "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 274 of 1440 minutes on the 25th and 333 of 1440 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 16434 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Fuzhou, 1961: Saturday 26 August.", "fact": "confidence: boundary (tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "raksha-bandhana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana" } ], "kaala": "day", "priority": "unstated", "when_absent": "unstated", "half": "second" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-08-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-26", "confidence": "boundary" } ], "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 1961 falls on Saturday 26 August. The second half of Pūrṇimā runs from 01:06 on Sat 26 Aug to 11:13 on Sat 26 Aug and falls on two days: 333 minutes of it on the 26th, 274 on the 25th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1633, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-08-25T14:59:00+08:00", "utc": "1961-08-25T06:59:00Z", "ms": -263581260222.66702 }, "end": { "local": "1961-08-26T11:13:15+08:00", "utc": "1961-08-26T03:13:15Z", "ms": -263508404500.48285 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1961-08-25T14:59:00+08:00", "utc": "1961-08-25T06:59:00Z", "ms": -263581260222.66702 }, "end": { "local": "1961-08-26T11:13:15+08:00", "utc": "1961-08-26T03:13:15Z", "ms": -263508404500.48285 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-08-25", "window": { "start": { "local": "1961-08-25T11:40:45+08:00", "utc": "1961-08-25T03:40:45Z", "ms": -263593154561.03967 }, "end": { "local": "1961-08-25T12:28:45+08:00", "utc": "1961-08-25T04:28:45Z", "ms": -263590274561.03967 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-08-26", "window": { "start": { "local": "1961-08-26T11:40:29+08:00", "utc": "1961-08-26T03:40:29Z", "ms": -263506771195.34088 }, "end": { "local": "1961-08-26T12:28:29+08:00", "utc": "1961-08-26T04:28:29Z", "ms": -263503891195.34088 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 14:59 on Fri 25 Aug to 11:13 on Sat 26 Aug.", "fact": "1961-08-25T06:59:00Z → 1961-08-26T03:13:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 25th, 11:40–12:28 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 1633 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Fuzhou, 1961: Saturday 26 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": "1961-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Tarpaṇa 1961 falls on Saturday 26 August. Pūrṇimā runs from 14:59 on Fri 25 Aug to 11:13 on Sat 26 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30739, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1961-08-27T07:31:20+08:00", "utc": "1961-08-26T23:31:20Z", "ms": -263435319551.82648 }, "end": { "local": "1961-08-28T04:02:58+08:00", "utc": "1961-08-27T20:02:58Z", "ms": -263361422224.89493 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-08-27T07:31:20+08:00", "utc": "1961-08-26T23:31:20Z", "ms": -263435319551.82648 }, "end": { "local": "1961-08-28T04:02:58+08:00", "utc": "1961-08-27T20:02:58Z", "ms": -263361422224.89493 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-08-26", "window": { "start": { "local": "1961-08-26T18:44:13+08:00", "utc": "1961-08-26T10:44:13Z", "ms": -263481347117.65335 }, "end": { "local": "1961-08-26T18:44:13+08:00", "utc": "1961-08-26T10:44:13Z", "ms": -263481347117.65335 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-08-27", "window": { "start": { "local": "1961-08-27T19:30:39+08:00", "utc": "1961-08-27T11:30:39Z", "ms": -263392161086.824 }, "end": { "local": "1961-08-27T19:30:39+08:00", "utc": "1961-08-27T11:30:39Z", "ms": -263392161086.824 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 07:31 on Sun 27 Aug to 04:03 on Mon 28 Aug.", "fact": "1961-08-26T23:31:20Z → 1961-08-27T20:02:58Z" }, { "step": "kaala", "text": "Moonrise is at 18:44 on the 26th and 19:31 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 26th and is on the 27th.", "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 30739 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Fuzhou, 1961: Sunday 27 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": "1961-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata 1961 falls on Sunday 27 August. Dvitīyā runs from 07:31 on Sun 27 Aug to 04:03 on Mon 28 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27417, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1961-08-28T04:02:58+08:00", "utc": "1961-08-27T20:02:58Z", "ms": -263361422224.89493 }, "end": { "local": "1961-08-29T00:57:34+08:00", "utc": "1961-08-28T16:57:34Z", "ms": -263286146429.30194 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-08-28T04:02:58+08:00", "utc": "1961-08-27T20:02:58Z", "ms": -263361422224.89493 }, "end": { "local": "1961-08-29T00:57:34+08:00", "utc": "1961-08-28T16:57:34Z", "ms": -263286146429.30194 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-08-28", "window": { "start": { "local": "1961-08-28T11:39:54+08:00", "utc": "1961-08-28T03:39:54Z", "ms": -263334005628.47235 }, "end": { "local": "1961-08-28T12:27:54+08:00", "utc": "1961-08-28T04:27:54Z", "ms": -263331125628.47235 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-08-29", "window": { "start": { "local": "1961-08-29T11:39:37+08:00", "utc": "1961-08-29T03:39:37Z", "ms": -263247623386.9154 }, "end": { "local": "1961-08-29T12:27:37+08:00", "utc": "1961-08-29T04:27:37Z", "ms": -263244743386.9154 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 04:03 on Mon 28 Aug to 00:58 on Tue 29 Aug.", "fact": "1961-08-27T20:02:58Z → 1961-08-28T16:57:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 28th, 11:40–12:28 on the 29th.", "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 28th and 0 of 48 on the 29th.", "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 27417 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Fuzhou, 1961: Monday 28 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": "1961-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 1961 falls on Monday 28 August. Tṛtīyā runs from 04:03 on Mon 28 Aug to 00:58 on Tue 29 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14286, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-08-29T00:57:34+08:00", "utc": "1961-08-28T16:57:34Z", "ms": -263286146429.30194 }, "end": { "local": "1961-08-29T22:23:52+08:00", "utc": "1961-08-29T14:23:52Z", "ms": -263208967583.52756 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-08-29T00:57:34+08:00", "utc": "1961-08-28T16:57:34Z", "ms": -263286146429.30194 }, "end": { "local": "1961-08-29T22:23:52+08:00", "utc": "1961-08-29T14:23:52Z", "ms": -263208967583.52756 } }, "kaala": "sayahna", "days": [ { "local_date": "1961-08-28", "window": { "start": { "local": "1961-08-28T15:53:38+08:00", "utc": "1961-08-28T07:53:38Z", "ms": -263318781555.3974 }, "end": { "local": "1961-08-28T18:26:48+08:00", "utc": "1961-08-28T10:26:48Z", "ms": -263309592173.34744 } }, "covered_min": 0, "window_min": 153, "qualifies": false }, { "local_date": "1961-08-29", "window": { "start": { "local": "1961-08-29T15:52:55+08:00", "utc": "1961-08-29T07:52:55Z", "ms": -263232425234.05963 }, "end": { "local": "1961-08-29T18:25:47+08:00", "utc": "1961-08-29T10:25:47Z", "ms": -263223253132.1558 } }, "covered_min": 153, "window_min": 153, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:58 on Tue 29 Aug to 22:24 on Tue 29 Aug.", "fact": "1961-08-28T16:57:34Z → 1961-08-29T14:23:52Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:54–18:27 on the 28th, 15:53–18:26 on the 29th.", "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 153 minutes on the 28th and 153 of 153 on the 29th.", "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 14286 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Fuzhou, 1961: Tuesday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Bahulā Caturthī 1961 falls on Tuesday 29 August. Caturthī runs from 00:58 on Tue 29 Aug to 22:24 on Tue 29 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-08-29", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5186, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-08-29T00:57:34+08:00", "utc": "1961-08-28T16:57:34Z", "ms": -263286146429.30194 }, "end": { "local": "1961-08-29T22:23:52+08:00", "utc": "1961-08-29T14:23:52Z", "ms": -263208967583.52756 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-08-29T00:57:34+08:00", "utc": "1961-08-28T16:57:34Z", "ms": -263286146429.30194 }, "end": { "local": "1961-08-29T22:23:52+08:00", "utc": "1961-08-29T14:23:52Z", "ms": -263208967583.52756 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-08-28", "window": { "start": { "local": "1961-08-28T20:14:43+08:00", "utc": "1961-08-28T12:14:43Z", "ms": -263303116761.6585 }, "end": { "local": "1961-08-28T20:14:43+08:00", "utc": "1961-08-28T12:14:43Z", "ms": -263303116761.6585 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-08-29", "window": { "start": { "local": "1961-08-29T20:57:26+08:00", "utc": "1961-08-29T12:57:26Z", "ms": -263214153800.52255 }, "end": { "local": "1961-08-29T20:57:26+08:00", "utc": "1961-08-29T12:57:26Z", "ms": -263214153800.52255 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:58 on Tue 29 Aug to 22:24 on Tue 29 Aug.", "fact": "1961-08-28T16:57:34Z → 1961-08-29T14:23:52Z" }, { "step": "kaala", "text": "Moonrise is at 20:15 on the 28th and 20:57 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 5186 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Tuesday 29 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Tuesday 29 August. Caturthī runs from 00:58 on Tue 29 Aug to 22:24 on Tue 29 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-08-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24770, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1961-08-30T20:29:25+08:00", "utc": "1961-08-30T12:29:25Z", "ms": -263129434699.9739 }, "end": { "local": "1961-08-31T19:19:50+08:00", "utc": "1961-08-31T11:19:50Z", "ms": -263047210007.90167 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-08-30T20:29:25+08:00", "utc": "1961-08-30T12:29:25Z", "ms": -263129434699.9739 }, "end": { "local": "1961-08-31T19:19:50+08:00", "utc": "1961-08-31T11:19:50Z", "ms": -263047210007.90167 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-08-30", "window": { "start": { "local": "1961-08-30T11:39:19+08:00", "utc": "1961-08-30T03:39:19Z", "ms": -263161241480.39667 }, "end": { "local": "1961-08-30T12:27:19+08:00", "utc": "1961-08-30T04:27:19Z", "ms": -263158361480.39667 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-08-31", "window": { "start": { "local": "1961-08-31T11:39:00+08:00", "utc": "1961-08-31T03:39:00Z", "ms": -263074859890.24835 }, "end": { "local": "1961-08-31T12:27:00+08:00", "utc": "1961-08-31T04:27:00Z", "ms": -263071979890.24835 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 20:29 on Wed 30 Aug to 19:20 on Thu 31 Aug.", "fact": "1961-08-30T12:29:25Z → 1961-08-31T11:19:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 30th, 11:39–12:27 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24770 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Fuzhou, 1961: Thursday 31 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": "1961-08-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-08-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Hala Ṣaṣṭhī 1961 falls on Thursday 31 August. Ṣaṣṭhī runs from 20:29 on Wed 30 Aug to 19:20 on Thu 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15266, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-09-01T18:58:08+08:00", "utc": "1961-09-01T10:58:08Z", "ms": -262962111832.15826 }, "end": { "local": "1961-09-02T19:24:09+08:00", "utc": "1961-09-02T11:24:09Z", "ms": -262874151227.1742 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-01T18:58:08+08:00", "utc": "1961-09-01T10:58:08Z", "ms": -262962111832.15826 }, "end": { "local": "1961-09-02T19:24:09+08:00", "utc": "1961-09-02T11:24:09Z", "ms": -262874151227.1742 } }, "kaala": "nishita", "days": [ { "local_date": "1961-09-01", "window": { "start": { "local": "1961-09-01T23:38:54+08:00", "utc": "1961-09-01T15:38:54Z", "ms": -262945266134.14496 }, "end": { "local": "1961-09-02T00:26:54+08:00", "utc": "1961-09-01T16:26:54Z", "ms": -262942386134.14496 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-09-02", "window": { "start": { "local": "1961-09-02T23:38:35+08:00", "utc": "1961-09-02T15:38:35Z", "ms": -262858885177.17532 }, "end": { "local": "1961-09-03T00:26:35+08:00", "utc": "1961-09-02T16:26:35Z", "ms": -262856005177.17532 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 18:58 on Fri 1 Sep to 19:24 on Sat 2 Sep.", "fact": "1961-09-01T10:58:08Z → 1961-09-02T11:24:09Z" }, { "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": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15266 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Fuzhou, 1961: Friday 1 September.", "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": "1961-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Janmāṣṭamī 1961 falls on Friday 1 September. Aṣṭamī runs from 18:58 on Fri 1 Sep to 19:24 on Sat 2 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23487, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1961-08-31T19:19:50+08:00", "utc": "1961-08-31T11:19:50Z", "ms": -263047210007.90167 }, "end": { "local": "1961-09-01T18:58:08+08:00", "utc": "1961-09-01T10:58:08Z", "ms": -262962111832.15826 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-08-31T19:19:50+08:00", "utc": "1961-08-31T11:19:50Z", "ms": -263047210007.90167 }, "end": { "local": "1961-09-01T18:58:08+08:00", "utc": "1961-09-01T10:58:08Z", "ms": -262962111832.15826 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-08-31", "window": { "start": { "local": "1961-08-31T11:39:00+08:00", "utc": "1961-08-31T03:39:00Z", "ms": -263074859890.24835 }, "end": { "local": "1961-08-31T12:27:00+08:00", "utc": "1961-08-31T04:27:00Z", "ms": -263071979890.24835 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-09-01", "window": { "start": { "local": "1961-09-01T11:38:41+08:00", "utc": "1961-09-01T03:38:41Z", "ms": -262988478598.6668 }, "end": { "local": "1961-09-01T12:26:41+08:00", "utc": "1961-09-01T04:26:41Z", "ms": -262985598598.6668 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:20 on Thu 31 Aug to 18:58 on Fri 1 Sep.", "fact": "1961-08-31T11:19:50Z → 1961-09-01T10:58:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 31st, 11:39–12:27 on the 1st.", "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 31st and 48 of 48 on the 1st.", "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 23487 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Fuzhou, 1961: Friday 1 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalā Saptamī 1961 falls on Friday 1 September. Saptamī runs from 19:20 on Thu 31 Aug to 18:58 on Fri 1 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-09-05", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18515, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-09-04T22:21:19+08:00", "utc": "1961-09-04T14:21:19Z", "ms": -262690721242.25546 }, "end": { "local": "1961-09-06T00:36:11+08:00", "utc": "1961-09-05T16:36:11Z", "ms": -262596229452.40466 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-04T22:21:19+08:00", "utc": "1961-09-04T14:21:19Z", "ms": -262690721242.25546 }, "end": { "local": "1961-09-06T00:36:11+08:00", "utc": "1961-09-05T16:36:11Z", "ms": -262596229452.40466 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-09-05", "window": { "start": { "local": "1961-09-05T05:44:21+08:00", "utc": "1961-09-04T21:44:21Z", "ms": -262664139022.82104 }, "end": { "local": "1961-09-05T05:44:21+08:00", "utc": "1961-09-04T21:44:21Z", "ms": -262664139022.82104 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-09-06", "window": { "start": { "local": "1961-09-06T05:44:46+08:00", "utc": "1961-09-05T21:44:46Z", "ms": -262577714472.14542 }, "end": { "local": "1961-09-06T05:44:46+08:00", "utc": "1961-09-05T21:44:46Z", "ms": -262577714472.14542 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:21 on Mon 4 Sep to 00:36 on Wed 6 Sep.", "fact": "1961-09-04T14:21:19Z → 1961-09-05T16:36:11Z" }, { "step": "kaala", "text": "Sunrise is at 05:44 on the 5th and 05:45 on the 6th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18515 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Fuzhou, 1961: Tuesday 5 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": "1961-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Ajā Ekādaśī 1961 falls on Tuesday 5 September. Ekādaśī runs from 22:21 on Mon 4 Sep to 00:36 on Wed 6 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-09-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-09-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26349, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-09-07T03:08:14+08:00", "utc": "1961-09-06T19:08:14Z", "ms": -262500706344.82895 }, "end": { "local": "1961-09-08T05:47:03+08:00", "utc": "1961-09-07T21:47:03Z", "ms": -262404777200.34464 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-07T03:08:14+08:00", "utc": "1961-09-06T19:08:14Z", "ms": -262500706344.82895 }, "end": { "local": "1961-09-08T05:47:03+08:00", "utc": "1961-09-07T21:47:03Z", "ms": -262404777200.34464 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-09-06", "window": { "start": { "local": "1961-09-06T18:17:22+08:00", "utc": "1961-09-06T10:17:22Z", "ms": -262532557604.11658 }, "end": { "local": "1961-09-06T19:49:05+08:00", "utc": "1961-09-06T11:49:05Z", "ms": -262527055256.47244 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1961-09-07", "window": { "start": { "local": "1961-09-07T18:16:18+08:00", "utc": "1961-09-07T10:16:18Z", "ms": -262446222390.75784 }, "end": { "local": "1961-09-07T19:48:12+08:00", "utc": "1961-09-07T11:48:12Z", "ms": -262440708150.52075 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:08 on Thu 7 Sep to 05:47 on Fri 8 Sep.", "fact": "1961-09-06T19:08:14Z → 1961-09-07T21:47:03Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:49 on the 6th, 18:16–19:48 on the 7th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 6th and 92 of 92 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 26349 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Thursday 7 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": "1961-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Thursday 7 September. Trayodaśī runs from 03:08 on Thu 7 Sep to 05:47 on Fri 8 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-09-07", "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/1961/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35446, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-09-08T05:47:03+08:00", "utc": "1961-09-07T21:47:03Z", "ms": -262404777200.34464 }, "end": { "local": "1961-09-09T08:23:21+08:00", "utc": "1961-09-09T00:23:21Z", "ms": -262308998909.1397 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-08T05:47:03+08:00", "utc": "1961-09-07T21:47:03Z", "ms": -262404777200.34464 }, "end": { "local": "1961-09-09T08:23:21+08:00", "utc": "1961-09-09T00:23:21Z", "ms": -262308998909.1397 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-09-08", "window": { "start": { "local": "1961-09-08T18:15:13+08:00", "utc": "1961-09-08T10:15:13Z", "ms": -262359887481.84268 }, "end": { "local": "1961-09-08T19:47:19+08:00", "utc": "1961-09-08T11:47:19Z", "ms": -262354361316.37167 } }, "covered_min": 92, "window_min": 92, "qualifies": true }, { "local_date": "1961-09-09", "window": { "start": { "local": "1961-09-09T18:14:07+08:00", "utc": "1961-09-09T10:14:07Z", "ms": -262273552854.09344 }, "end": { "local": "1961-09-09T19:46:25+08:00", "utc": "1961-09-09T11:46:25Z", "ms": -262268014732.77283 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:47 on Fri 8 Sep to 08:23 on Sat 9 Sep.", "fact": "1961-09-07T21:47:03Z → 1961-09-09T00:23:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:47 on the 8th, 18:14–19:46 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 8th and 0 of 92 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35446 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Fuzhou, 1961: Friday 8 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": "1961-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Aghora Caturdaśī 1961 falls on Friday 8 September. Caturdaśī runs from 05:47 on Fri 8 Sep to 08:23 on Sat 9 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/shivaratri?on=1961-09-08", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19327, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-09-08T05:47:03+08:00", "utc": "1961-09-07T21:47:03Z", "ms": -262404777200.34464 }, "end": { "local": "1961-09-09T08:23:21+08:00", "utc": "1961-09-09T00:23:21Z", "ms": -262308998909.1397 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-08T05:47:03+08:00", "utc": "1961-09-07T21:47:03Z", "ms": -262404777200.34464 }, "end": { "local": "1961-09-09T08:23:21+08:00", "utc": "1961-09-09T00:23:21Z", "ms": -262308998909.1397 } }, "kaala": "nishita", "days": [ { "local_date": "1961-09-07", "window": { "start": { "local": "1961-09-07T23:36:56+08:00", "utc": "1961-09-07T15:36:56Z", "ms": -262426983989.8687 }, "end": { "local": "1961-09-08T00:24:56+08:00", "utc": "1961-09-07T16:24:56Z", "ms": -262424103989.8687 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-09-08", "window": { "start": { "local": "1961-09-08T23:36:36+08:00", "utc": "1961-09-08T15:36:36Z", "ms": -262340604361.32635 }, "end": { "local": "1961-09-09T00:24:36+08:00", "utc": "1961-09-08T16:24:36Z", "ms": -262337724361.32635 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:47 on Fri 8 Sep to 08:23 on Sat 9 Sep.", "fact": "1961-09-07T21:47:03Z → 1961-09-09T00:23:21Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:37–00:25 on the 7th, 23:37–00:25 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 19327 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Friday 8 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": "1961-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Friday 8 September. Caturdaśī runs from 05:47 on Fri 8 Sep to 08:23 on Sat 9 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-09-08", "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/1961/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2174, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1961-09-10T10:49:31+08:00", "utc": "1961-09-10T02:49:31Z", "ms": -262213828960.36453 }, "end": { "local": "1961-09-11T12:59:36+08:00", "utc": "1961-09-11T04:59:36Z", "ms": -262119624180.61972 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-10T10:49:31+08:00", "utc": "1961-09-10T02:49:31Z", "ms": -262213828960.36453 }, "end": { "local": "1961-09-11T12:59:36+08:00", "utc": "1961-09-11T04:59:36Z", "ms": -262119624180.61972 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-09-10", "window": { "start": { "local": "1961-09-10T11:35:42+08:00", "utc": "1961-09-10T03:35:42Z", "ms": -262211057714.25183 }, "end": { "local": "1961-09-10T12:23:42+08:00", "utc": "1961-09-10T04:23:42Z", "ms": -262208177714.25183 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-09-11", "window": { "start": { "local": "1961-09-11T11:35:21+08:00", "utc": "1961-09-11T03:35:21Z", "ms": -262124678519.83575 }, "end": { "local": "1961-09-11T12:23:21+08:00", "utc": "1961-09-11T04:23:21Z", "ms": -262121798519.83575 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 10:50 on Sun 10 Sep to 13:00 on Mon 11 Sep.", "fact": "1961-09-10T02:49:31Z → 1961-09-11T04:59:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 10th, 11:35–12:23 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 48 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": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 2174 s" }, { "step": "ruling", "text": "Rudra Vrata, Fuzhou, 1961: Sunday 10 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": "1961-09-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-10", "confidence": "boundary" } ], "quote": "In Fuzhou, Rudra Vrata 1961 falls on Sunday 10 September. Pratipadā runs from 10:50 on Sun 10 Sep to 13:00 on Mon 11 Sep 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/1961/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/1961/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8760, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1961-09-12T14:49:00+08:00", "utc": "1961-09-12T06:49:00Z", "ms": -262026659639.82306 }, "end": { "local": "1961-09-13T16:14:05+08:00", "utc": "1961-09-13T08:14:05Z", "ms": -261935154768.51205 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-12T14:49:00+08:00", "utc": "1961-09-12T06:49:00Z", "ms": -262026659639.82306 }, "end": { "local": "1961-09-13T16:14:05+08:00", "utc": "1961-09-13T08:14:05Z", "ms": -261935154768.51205 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-09-12", "window": { "start": { "local": "1961-09-12T11:35:01+08:00", "utc": "1961-09-12T03:35:01Z", "ms": -262038299449.0833 }, "end": { "local": "1961-09-12T12:23:01+08:00", "utc": "1961-09-12T04:23:01Z", "ms": -262035419449.0833 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-09-13", "window": { "start": { "local": "1961-09-13T11:34:40+08:00", "utc": "1961-09-13T03:34:40Z", "ms": -261951920485.15695 }, "end": { "local": "1961-09-13T12:22:40+08:00", "utc": "1961-09-13T04:22:40Z", "ms": -261949040485.15695 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 14:49 on Tue 12 Sep to 16:14 on Wed 13 Sep.", "fact": "1961-09-12T06:49:00Z → 1961-09-13T08:14:05Z" }, { "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": "Tṛtīyā 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 8760 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Fuzhou, 1961: Wednesday 13 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": "1961-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 1961 falls on Wednesday 13 September. Tṛtīyā runs from 14:49 on Tue 12 Sep to 16:14 on Wed 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13886, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-09-13T16:14:05+08:00", "utc": "1961-09-13T08:14:05Z", "ms": -261935154768.51205 }, "end": { "local": "1961-09-14T17:11:45+08:00", "utc": "1961-09-14T09:11:45Z", "ms": -261845295220.70267 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-13T16:14:05+08:00", "utc": "1961-09-13T08:14:05Z", "ms": -261935154768.51205 }, "end": { "local": "1961-09-14T17:11:45+08:00", "utc": "1961-09-14T09:11:45Z", "ms": -261845295220.70267 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-09-13", "window": { "start": { "local": "1961-09-13T11:34:40+08:00", "utc": "1961-09-13T03:34:40Z", "ms": -261951920485.15695 }, "end": { "local": "1961-09-13T12:22:40+08:00", "utc": "1961-09-13T04:22:40Z", "ms": -261949040485.15695 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-09-14", "window": { "start": { "local": "1961-09-14T11:34:18+08:00", "utc": "1961-09-14T03:34:18Z", "ms": -261865541611.925 }, "end": { "local": "1961-09-14T12:22:18+08:00", "utc": "1961-09-14T04:22:18Z", "ms": -261862661611.925 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:14 on Wed 13 Sep to 17:12 on Thu 14 Sep.", "fact": "1961-09-13T08:14:05Z → 1961-09-14T09:11:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 13th, 11:34–12:22 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13886 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Fuzhou, 1961: Thursday 14 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": "1961-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Caturthī 1961 falls on Thursday 14 September. Caturthī runs from 16:14 on Wed 13 Sep to 17:12 on Thu 14 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17366, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1961-09-14T17:11:45+08:00", "utc": "1961-09-14T09:11:45Z", "ms": -261845295220.70267 }, "end": { "local": "1961-09-15T17:39:17+08:00", "utc": "1961-09-15T09:39:17Z", "ms": -261757243142.3758 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-14T17:11:45+08:00", "utc": "1961-09-14T09:11:45Z", "ms": -261845295220.70267 }, "end": { "local": "1961-09-15T17:39:17+08:00", "utc": "1961-09-15T09:39:17Z", "ms": -261757243142.3758 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-09-14", "window": { "start": { "local": "1961-09-14T11:34:18+08:00", "utc": "1961-09-14T03:34:18Z", "ms": -261865541611.925 }, "end": { "local": "1961-09-14T12:22:18+08:00", "utc": "1961-09-14T04:22:18Z", "ms": -261862661611.925 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-09-15", "window": { "start": { "local": "1961-09-15T11:33:57+08:00", "utc": "1961-09-15T03:33:57Z", "ms": -261779162812.627 }, "end": { "local": "1961-09-15T12:21:57+08:00", "utc": "1961-09-15T04:21:57Z", "ms": -261776282812.627 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 17:12 on Thu 14 Sep to 17:39 on Fri 15 Sep.", "fact": "1961-09-14T09:11:45Z → 1961-09-15T09:39:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 14th, 11:34–12:22 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 17366 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Fuzhou, 1961: Friday 15 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": "1961-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Pañcamī 1961 falls on Friday 15 September. Pañcamī runs from 17:12 on Thu 14 Sep to 17:39 on Fri 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18771, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1961-09-15T17:39:17+08:00", "utc": "1961-09-15T09:39:17Z", "ms": -261757243142.3758 }, "end": { "local": "1961-09-16T17:34:26+08:00", "utc": "1961-09-16T09:34:26Z", "ms": -261671133561.98822 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-15T17:39:17+08:00", "utc": "1961-09-15T09:39:17Z", "ms": -261757243142.3758 }, "end": { "local": "1961-09-16T17:34:26+08:00", "utc": "1961-09-16T09:34:26Z", "ms": -261671133561.98822 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-09-15", "window": { "start": { "local": "1961-09-15T11:33:57+08:00", "utc": "1961-09-15T03:33:57Z", "ms": -261779162812.627 }, "end": { "local": "1961-09-15T12:21:57+08:00", "utc": "1961-09-15T04:21:57Z", "ms": -261776282812.627 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-09-16", "window": { "start": { "local": "1961-09-16T11:33:36+08:00", "utc": "1961-09-16T03:33:36Z", "ms": -261692784070.03064 }, "end": { "local": "1961-09-16T12:21:36+08:00", "utc": "1961-09-16T04:21:36Z", "ms": -261689904070.03064 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:39 on Fri 15 Sep to 17:34 on Sat 16 Sep.", "fact": "1961-09-15T09:39:17Z → 1961-09-16T09:34:26Z" }, { "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": "Ṣaṣṭhī 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: paraviddha → only-day · margin 18771 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 1961: Saturday 16 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "surya-shashthi-bhadrapada", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-09-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 1961 falls on Saturday 16 September. Ṣaṣṭhī runs from 17:39 on Fri 15 Sep to 17:34 on Sat 16 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16466, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1961-09-16T17:34:26+08:00", "utc": "1961-09-16T09:34:26Z", "ms": -261671133561.98822 }, "end": { "local": "1961-09-17T16:55:41+08:00", "utc": "1961-09-17T08:55:41Z", "ms": -261587059407.11783 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-16T17:34:26+08:00", "utc": "1961-09-16T09:34:26Z", "ms": -261671133561.98822 }, "end": { "local": "1961-09-17T16:55:41+08:00", "utc": "1961-09-17T08:55:41Z", "ms": -261587059407.11783 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-09-16", "window": { "start": { "local": "1961-09-16T11:33:36+08:00", "utc": "1961-09-16T03:33:36Z", "ms": -261692784070.03064 }, "end": { "local": "1961-09-16T12:21:36+08:00", "utc": "1961-09-16T04:21:36Z", "ms": -261689904070.03064 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-09-17", "window": { "start": { "local": "1961-09-17T11:33:15+08:00", "utc": "1961-09-17T03:33:15Z", "ms": -261606405366.31973 }, "end": { "local": "1961-09-17T12:21:15+08:00", "utc": "1961-09-17T04:21:15Z", "ms": -261603525366.31973 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:34 on Sat 16 Sep to 16:56 on Sun 17 Sep.", "fact": "1961-09-16T09:34:26Z → 1961-09-17T08:55:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 16th, 11:33–12:21 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16466 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Fuzhou, 1961: Sunday 17 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "muktabharana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Muktābharaṇa Vrata 1961 falls on Sunday 17 September. Saptamī runs from 17:34 on Sat 16 Sep to 16:56 on Sun 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12096, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-09-17T16:55:41+08:00", "utc": "1961-09-17T08:55:41Z", "ms": -261587059407.11783 }, "end": { "local": "1961-09-18T15:42:29+08:00", "utc": "1961-09-18T07:42:29Z", "ms": -261505051018.22446 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-17T16:55:41+08:00", "utc": "1961-09-17T08:55:41Z", "ms": -261587059407.11783 }, "end": { "local": "1961-09-18T15:42:29+08:00", "utc": "1961-09-18T07:42:29Z", "ms": -261505051018.22446 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-09-17", "window": { "start": { "local": "1961-09-17T11:33:15+08:00", "utc": "1961-09-17T03:33:15Z", "ms": -261606405366.31973 }, "end": { "local": "1961-09-17T12:21:15+08:00", "utc": "1961-09-17T04:21:15Z", "ms": -261603525366.31973 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-09-18", "window": { "start": { "local": "1961-09-18T11:32:53+08:00", "utc": "1961-09-18T03:32:53Z", "ms": -261520026682.96198 }, "end": { "local": "1961-09-18T12:20:53+08:00", "utc": "1961-09-18T04:20:53Z", "ms": -261517146682.96198 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:56 on Sun 17 Sep to 15:42 on Mon 18 Sep.", "fact": "1961-09-17T08:55:41Z → 1961-09-18T07:42:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 17th, 11:33–12:21 on the 18th.", "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 17th and 48 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: unstated → only-day · margin 12096 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Fuzhou, 1961: Monday 18 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": "1961-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Rādhāṣṭamī 1961 falls on Monday 18 September. Aṣṭamī runs from 16:56 on Sun 17 Sep to 15:42 on Mon 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-09-21", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10919, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-09-20T11:37:48+08:00", "utc": "1961-09-20T03:37:48Z", "ms": -261346931779.33084 }, "end": { "local": "1961-09-21T08:52:48+08:00", "utc": "1961-09-21T00:52:48Z", "ms": -261270431941.5665 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-20T11:37:48+08:00", "utc": "1961-09-20T03:37:48Z", "ms": -261346931779.33084 }, "end": { "local": "1961-09-21T08:52:48+08:00", "utc": "1961-09-21T00:52:48Z", "ms": -261270431941.5665 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-09-20", "window": { "start": { "local": "1961-09-20T05:50:25+08:00", "utc": "1961-09-19T21:50:25Z", "ms": -261367774822.15808 }, "end": { "local": "1961-09-20T05:50:25+08:00", "utc": "1961-09-19T21:50:25Z", "ms": -261367774822.15808 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-09-21", "window": { "start": { "local": "1961-09-21T05:50:50+08:00", "utc": "1961-09-20T21:50:50Z", "ms": -261281350458.37372 }, "end": { "local": "1961-09-21T05:50:50+08:00", "utc": "1961-09-20T21:50:50Z", "ms": -261281350458.37372 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:38 on Wed 20 Sep to 08:53 on Thu 21 Sep.", "fact": "1961-09-20T03:37:48Z → 1961-09-21T00:52:48Z" }, { "step": "kaala", "text": "Sunrise is at 05:50 on the 20th and 05:51 on the 21st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10919 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Fuzhou, 1961: Thursday 21 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": "1961-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Parivartanī Ekādaśī 1961 falls on Thursday 21 September. Ekādaśī runs from 11:38 on Wed 20 Sep to 08:53 on Thu 21 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-09-21", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9541, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1961-09-21T08:52:48+08:00", "utc": "1961-09-21T00:52:48Z", "ms": -261270431941.5665 }, "end": { "local": "1961-09-22T05:46:19+08:00", "utc": "1961-09-21T21:46:19Z", "ms": -261195220938.77588 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-21T08:52:48+08:00", "utc": "1961-09-21T00:52:48Z", "ms": -261270431941.5665 }, "end": { "local": "1961-09-22T05:46:19+08:00", "utc": "1961-09-21T21:46:19Z", "ms": -261195220938.77588 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-09-21", "window": { "start": { "local": "1961-09-21T11:31:49+08:00", "utc": "1961-09-21T03:31:49Z", "ms": -261260890555.6399 }, "end": { "local": "1961-09-21T12:19:49+08:00", "utc": "1961-09-21T04:19:49Z", "ms": -261258010555.6399 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-09-22", "window": { "start": { "local": "1961-09-22T11:31:28+08:00", "utc": "1961-09-22T03:31:28Z", "ms": -261174511748.63486 }, "end": { "local": "1961-09-22T12:19:28+08:00", "utc": "1961-09-22T04:19:28Z", "ms": -261171631748.63486 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:53 on Thu 21 Sep to 05:46 on Fri 22 Sep.", "fact": "1961-09-21T00:52:48Z → 1961-09-21T21:46:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 21st, 11:31–12:19 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9541 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Fuzhou, 1961: Thursday 21 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": "1961-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Vāmana Jayantī 1961 falls on Thursday 21 September. Dvādaśī runs from 08:53 on Thu 21 Sep to 05:46 on Fri 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-09-22", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24643, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-09-22T05:46:19+08:00", "utc": "1961-09-21T21:46:19Z", "ms": -261195220938.77588 }, "end": { "local": "1961-09-23T02:25:21+08:00", "utc": "1961-09-22T18:25:21Z", "ms": -261120879480.44928 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-22T05:46:19+08:00", "utc": "1961-09-21T21:46:19Z", "ms": -261195220938.77588 }, "end": { "local": "1961-09-23T02:25:21+08:00", "utc": "1961-09-22T18:25:21Z", "ms": -261120879480.44928 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-09-21", "window": { "start": { "local": "1961-09-21T18:00:49+08:00", "utc": "1961-09-21T10:00:49Z", "ms": -261237550652.9061 }, "end": { "local": "1961-09-21T19:35:33+08:00", "utc": "1961-09-21T11:35:33Z", "ms": -261231867367.55838 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1961-09-22", "window": { "start": { "local": "1961-09-22T17:59:43+08:00", "utc": "1961-09-22T09:59:43Z", "ms": -261151217484.47144 }, "end": { "local": "1961-09-22T19:34:38+08:00", "utc": "1961-09-22T11:34:38Z", "ms": -261145522015.54004 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:46 on Fri 22 Sep to 02:25 on Sat 23 Sep.", "fact": "1961-09-21T21:46:19Z → 1961-09-22T18:25:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:36 on the 21st, 18:00–19:35 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 0 of 95 minutes on the 21st and 95 of 95 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 24643 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Friday 22 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": "1961-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Friday 22 September. Trayodaśī runs from 05:46 on Fri 22 Sep to 02:25 on Sat 23 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-09-22", "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/1961/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12378, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-09-23T02:25:21+08:00", "utc": "1961-09-22T18:25:21Z", "ms": -261120879480.44928 }, "end": { "local": "1961-09-23T22:58:01+08:00", "utc": "1961-09-23T14:58:01Z", "ms": -261046919345.9318 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1961-09-23T02:25:21+08:00", "utc": "1961-09-22T18:25:21Z", "ms": -261120879480.44928 }, "end": { "local": "1961-09-23T22:58:01+08:00", "utc": "1961-09-23T14:58:01Z", "ms": -261046919345.9318 } }, "kaala": "udaya-3", "days": [ { "local_date": "1961-09-23", "window": { "start": { "local": "1961-09-23T05:51:39+08:00", "utc": "1961-09-22T21:51:39Z", "ms": -261108501467.4859 }, "end": { "local": "1961-09-23T08:17:02+08:00", "utc": "1961-09-23T00:17:02Z", "ms": -261099778021.9127 } }, "covered_min": 145, "window_min": 145, "qualifies": true }, { "local_date": "1961-09-24", "window": { "start": { "local": "1961-09-24T05:52:03+08:00", "utc": "1961-09-23T21:52:03Z", "ms": -261022076803.06442 }, "end": { "local": "1961-09-24T08:17:08+08:00", "utc": "1961-09-24T00:17:08Z", "ms": -261013371619.97623 } }, "covered_min": 0, "window_min": 145, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:25 on Sat 23 Sep to 22:58 on Sat 23 Sep.", "fact": "1961-09-22T18:25:21Z → 1961-09-23T14:58:01Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:52–08:17 on the 23rd, 05:52–08:17 on the 24th.", "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 145 of 145 minutes on the 23rd and 0 of 145 on the 24th.", "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 12378 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Fuzhou, 1961: Saturday 23 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": "1961-09-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Ananta Caturdaśī 1961 falls on Saturday 23 September. Caturdaśī runs from 02:25 on Sat 23 Sep to 22:58 on Sat 23 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-09-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32543, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-09-27T11:11:52+08:00", "utc": "1961-09-27T03:11:52Z", "ms": -260743687651.24313 }, "end": { "local": "1961-09-28T09:33:12+08:00", "utc": "1961-09-28T01:33:12Z", "ms": -260663207777.6129 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-09-27T11:11:52+08:00", "utc": "1961-09-27T03:11:52Z", "ms": -260743687651.24313 }, "end": { "local": "1961-09-28T09:33:12+08:00", "utc": "1961-09-28T01:33:12Z", "ms": -260663207777.6129 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-09-27", "window": { "start": { "local": "1961-09-27T20:14:15+08:00", "utc": "1961-09-27T12:14:15Z", "ms": -260711144510.31335 }, "end": { "local": "1961-09-27T20:14:15+08:00", "utc": "1961-09-27T12:14:15Z", "ms": -260711144510.31335 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-09-28", "window": { "start": { "local": "1961-09-28T20:59:00+08:00", "utc": "1961-09-28T12:59:00Z", "ms": -260622059917.84155 }, "end": { "local": "1961-09-28T20:59:00+08:00", "utc": "1961-09-28T12:59:00Z", "ms": -260622059917.84155 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:12 on Wed 27 Sep to 09:33 on Thu 28 Sep.", "fact": "1961-09-27T03:11:52Z → 1961-09-28T01:33:12Z" }, { "step": "kaala", "text": "Moonrise is at 20:14 on the 27th and 20:59 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 32543 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Wednesday 27 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": "1961-09-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Wednesday 27 September. Caturthī runs from 11:12 on Wed 27 Sep to 09:33 on Thu 28 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-09-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-09-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39270, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1961-09-29T08:41:14+08:00", "utc": "1961-09-29T00:41:14Z", "ms": -260579925768.11505 }, "end": { "local": "1961-09-30T08:39:39+08:00", "utc": "1961-09-30T00:39:39Z", "ms": -260493621147.68173 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-09-29T08:41:14+08:00", "utc": "1961-09-29T00:41:14Z", "ms": -260579925768.11505 }, "end": { "local": "1961-09-30T08:39:39+08:00", "utc": "1961-09-30T00:39:39Z", "ms": -260493621147.68173 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-09-28", "window": { "start": { "local": "1961-09-28T20:59:00+08:00", "utc": "1961-09-28T12:59:00Z", "ms": -260622059917.84155 }, "end": { "local": "1961-09-28T20:59:00+08:00", "utc": "1961-09-28T12:59:00Z", "ms": -260622059917.84155 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-09-29", "window": { "start": { "local": "1961-09-29T21:45:09+08:00", "utc": "1961-09-29T13:45:09Z", "ms": -260532890969.8612 }, "end": { "local": "1961-09-29T21:45:09+08:00", "utc": "1961-09-29T13:45:09Z", "ms": -260532890969.8612 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 08:41 on Fri 29 Sep to 08:40 on Sat 30 Sep.", "fact": "1961-09-29T00:41:14Z → 1961-09-30T00:39:39Z" }, { "step": "kaala", "text": "Moonrise is at 20:59 on the 28th and 21:45 on the 29th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī 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. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 39270 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Fuzhou, 1961: Friday 29 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-09-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-09-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Candra Ṣaṣṭhī 1961 falls on Friday 29 September. Ṣaṣṭhī runs from 08:41 on Fri 29 Sep to 08:40 on Sat 30 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24414, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-10-01T09:28:09+08:00", "utc": "1961-10-01T01:28:09Z", "ms": -260404311326.91272 }, "end": { "local": "1961-10-02T11:01:50+08:00", "utc": "1961-10-02T03:01:50Z", "ms": -260312290354.67853 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-01T09:28:09+08:00", "utc": "1961-10-01T01:28:09Z", "ms": -260404311326.91272 }, "end": { "local": "1961-10-02T11:01:50+08:00", "utc": "1961-10-02T03:01:50Z", "ms": -260312290354.67853 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-10-01", "window": { "start": { "local": "1961-10-01T17:49:48+08:00", "utc": "1961-10-01T09:49:48Z", "ms": -260374211875.0372 }, "end": { "local": "1961-10-01T19:26:33+08:00", "utc": "1961-10-01T11:26:33Z", "ms": -260368406673.97293 } }, "covered_min": 97, "window_min": 97, "qualifies": true }, { "local_date": "1961-10-02", "window": { "start": { "local": "1961-10-02T17:48:43+08:00", "utc": "1961-10-02T09:48:43Z", "ms": -260287876589.82486 }, "end": { "local": "1961-10-02T19:25:41+08:00", "utc": "1961-10-02T11:25:41Z", "ms": -260282059217.2674 } }, "covered_min": 0, "window_min": 97, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:28 on Sun 1 Oct to 11:02 on Mon 2 Oct.", "fact": "1961-10-01T01:28:09Z → 1961-10-02T03:01:50Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:27 on the 1st, 17:49–19:26 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 97 of 97 minutes on the 1st and 0 of 97 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 24414 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Fuzhou, 1961: Sunday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 1961 falls on Sunday 1 October. Aṣṭamī runs from 09:28 on Sun 1 Oct to 11:02 on Mon 2 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39320, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-10-01T09:28:09+08:00", "utc": "1961-10-01T01:28:09Z", "ms": -260404311326.91272 }, "end": { "local": "1961-10-02T11:01:50+08:00", "utc": "1961-10-02T03:01:50Z", "ms": -260312290354.67853 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-01T09:28:09+08:00", "utc": "1961-10-01T01:28:09Z", "ms": -260404311326.91272 }, "end": { "local": "1961-10-02T11:01:50+08:00", "utc": "1961-10-02T03:01:50Z", "ms": -260312290354.67853 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-09-30", "window": { "start": { "local": "1961-09-30T22:32:49+08:00", "utc": "1961-09-30T14:32:49Z", "ms": -260443631291.97787 }, "end": { "local": "1961-09-30T22:32:49+08:00", "utc": "1961-09-30T14:32:49Z", "ms": -260443631291.97787 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-10-01", "window": { "start": { "local": "1961-10-01T23:21:50+08:00", "utc": "1961-10-01T15:21:50Z", "ms": -260354290433.60864 }, "end": { "local": "1961-10-01T23:21:50+08:00", "utc": "1961-10-01T15:21:50Z", "ms": -260354290433.60864 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:28 on Sun 1 Oct to 11:02 on Mon 2 Oct.", "fact": "1961-10-01T01:28:09Z → 1961-10-02T03:01:50Z" }, { "step": "kaala", "text": "Moonrise is at 22:33 on the 30th and 23:22 on the 1st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 30th and is on the 1st.", "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 39320 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 1961: Sunday 1 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 1961 falls on Sunday 1 October. Aṣṭamī runs from 09:28 on Sun 1 Oct to 11:02 on Mon 2 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-10-05", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35248, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-10-04T15:43:49+08:00", "utc": "1961-10-04T07:43:49Z", "ms": -260122571184.99954 }, "end": { "local": "1961-10-05T18:25:09+08:00", "utc": "1961-10-05T10:25:09Z", "ms": -260026491152.74625 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-04T15:43:49+08:00", "utc": "1961-10-04T07:43:49Z", "ms": -260122571184.99954 }, "end": { "local": "1961-10-05T18:25:09+08:00", "utc": "1961-10-05T10:25:09Z", "ms": -260026491152.74625 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-10-04", "window": { "start": { "local": "1961-10-04T05:56:21+08:00", "utc": "1961-10-03T21:56:21Z", "ms": -260157819438.40988 }, "end": { "local": "1961-10-04T05:56:21+08:00", "utc": "1961-10-03T21:56:21Z", "ms": -260157819438.40988 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-10-05", "window": { "start": { "local": "1961-10-05T05:56:48+08:00", "utc": "1961-10-04T21:56:48Z", "ms": -260071392283.8846 }, "end": { "local": "1961-10-05T05:56:48+08:00", "utc": "1961-10-04T21:56:48Z", "ms": -260071392283.8846 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:44 on Wed 4 Oct to 18:25 on Thu 5 Oct.", "fact": "1961-10-04T07:43:49Z → 1961-10-05T10:25:09Z" }, { "step": "kaala", "text": "Sunrise is at 05:56 on the 4th and 05:57 on the 5th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35248 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Fuzhou, 1961: Thursday 5 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": "1961-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Indirā Ekādaśī 1961 falls on Thursday 5 October. Ekādaśī runs from 15:44 on Wed 4 Oct to 18:25 on Thu 5 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-10-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-10-07", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5978, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-10-06T21:01:52+08:00", "utc": "1961-10-06T13:01:52Z", "ms": -259930688011.90125 }, "end": { "local": "1961-10-07T23:23:04+08:00", "utc": "1961-10-07T15:23:04Z", "ms": -259835816158.9207 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-06T21:01:52+08:00", "utc": "1961-10-06T13:01:52Z", "ms": -259930688011.90125 }, "end": { "local": "1961-10-07T23:23:04+08:00", "utc": "1961-10-07T15:23:04Z", "ms": -259835816158.9207 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-10-06", "window": { "start": { "local": "1961-10-06T17:44:28+08:00", "utc": "1961-10-06T09:44:28Z", "ms": -259942531510.3916 }, "end": { "local": "1961-10-06T19:22:14+08:00", "utc": "1961-10-06T11:22:14Z", "ms": -259936665581.06424 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1961-10-07", "window": { "start": { "local": "1961-10-07T17:43:26+08:00", "utc": "1961-10-07T09:43:26Z", "ms": -259856194126.4758 }, "end": { "local": "1961-10-07T19:21:24+08:00", "utc": "1961-10-07T11:21:24Z", "ms": -259850316100.53778 } }, "covered_min": 98, "window_min": 98, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:02 on Fri 6 Oct to 23:23 on Sat 7 Oct.", "fact": "1961-10-06T13:01:52Z → 1961-10-07T15:23:04Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:22 on the 6th, 17:43–19:21 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 98 minutes on the 6th and 98 of 98 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 5978 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Saturday 7 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": "1961-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Saturday 7 October. Trayodaśī runs from 21:02 on Fri 6 Oct to 23:23 on Sat 7 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-10-07", "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/1961/shivaratri?on=1961-10-07", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-07", "confidence": "boundary", "boundary_reasons": [ "margin", "tie-break-unstated" ], "boundary_margin_s": 225, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-10-07T23:23:04+08:00", "utc": "1961-10-07T15:23:04Z", "ms": -259835816158.9207 }, "end": { "local": "1961-10-09T01:21:16+08:00", "utc": "1961-10-08T17:21:16Z", "ms": -259742323639.52606 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-07T23:23:04+08:00", "utc": "1961-10-07T15:23:04Z", "ms": -259835816158.9207 }, "end": { "local": "1961-10-09T01:21:16+08:00", "utc": "1961-10-08T17:21:16Z", "ms": -259742323639.52606 } }, "kaala": "nishita", "days": [ { "local_date": "1961-10-07", "window": { "start": { "local": "1961-10-07T23:26:48+08:00", "utc": "1961-10-07T15:26:48Z", "ms": -259835591529.2082 }, "end": { "local": "1961-10-08T00:14:48+08:00", "utc": "1961-10-07T16:14:48Z", "ms": -259832711529.2082 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-10-08", "window": { "start": { "local": "1961-10-08T23:26:32+08:00", "utc": "1961-10-08T15:26:32Z", "ms": -259749208366.64194 }, "end": { "local": "1961-10-09T00:14:32+08:00", "utc": "1961-10-08T16:14:32Z", "ms": -259746328366.64194 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:23 on Sat 7 Oct to 01:21 on Mon 9 Oct.", "fact": "1961-10-07T15:23:04Z → 1961-10-08T17:21:16Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 7th, 23:27–00:15 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 48 of 48 on the 8th.", "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 225 s < 300 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Saturday 7 October.", "fact": "confidence: boundary (margin, tie-break-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-10-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-08", "confidence": "boundary" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Saturday 7 October. Caturdaśī runs from 23:23 on Sat 7 Oct to 01:21 on Mon 9 Oct and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 45 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-10-07", "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/1961/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35983, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1961-10-09T01:21:16+08:00", "utc": "1961-10-08T17:21:16Z", "ms": -259742323639.52606 }, "end": { "local": "1961-10-10T02:52:28+08:00", "utc": "1961-10-09T18:52:28Z", "ms": -259650452149.1697 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-09T01:21:16+08:00", "utc": "1961-10-08T17:21:16Z", "ms": -259742323639.52606 }, "end": { "local": "1961-10-10T02:52:28+08:00", "utc": "1961-10-09T18:52:28Z", "ms": -259650452149.1697 } }, "kaala": "aparahna", "days": [ { "local_date": "1961-10-08", "window": { "start": { "local": "1961-10-08T13:00:43+08:00", "utc": "1961-10-08T05:00:43Z", "ms": -259786757320.52658 }, "end": { "local": "1961-10-08T15:21:33+08:00", "utc": "1961-10-08T07:21:33Z", "ms": -259778306783.3886 } }, "covered_min": 0, "window_min": 141, "qualifies": false }, { "local_date": "1961-10-09", "window": { "start": { "local": "1961-10-09T13:00:17+08:00", "utc": "1961-10-09T05:00:17Z", "ms": -259700382901.74307 }, "end": { "local": "1961-10-09T15:20:50+08:00", "utc": "1961-10-09T07:20:50Z", "ms": -259691950373.31302 } }, "covered_min": 141, "window_min": 141, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 01:21 on Mon 9 Oct to 02:52 on Tue 10 Oct.", "fact": "1961-10-08T17:21:16Z → 1961-10-09T18:52:28Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:01–15:22 on the 8th, 13:00–15:21 on the 9th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 141 minutes on the 8th and 141 of 141 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35983 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Fuzhou, 1961: Monday 9 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālaya Amāvāsyā 1961 falls on Monday 9 October. Amāvasyā runs from 01:21 on Mon 9 Oct to 02:52 on Tue 10 Oct and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27005, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1961-10-10T02:52:28+08:00", "utc": "1961-10-09T18:52:28Z", "ms": -259650452149.1697 }, "end": { "local": "1961-10-11T03:55:24+08:00", "utc": "1961-10-10T19:55:24Z", "ms": -259560275683.58722 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-10T02:52:28+08:00", "utc": "1961-10-09T18:52:28Z", "ms": -259650452149.1697 }, "end": { "local": "1961-10-11T03:55:24+08:00", "utc": "1961-10-10T19:55:24Z", "ms": -259560275683.58722 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-10-10", "window": { "start": { "local": "1961-10-10T11:25:45+08:00", "utc": "1961-10-10T03:25:45Z", "ms": -259619655297.72214 }, "end": { "local": "1961-10-10T12:13:45+08:00", "utc": "1961-10-10T04:13:45Z", "ms": -259616775297.72214 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-10-11", "window": { "start": { "local": "1961-10-11T11:25:29+08:00", "utc": "1961-10-11T03:25:29Z", "ms": -259533270968.4867 }, "end": { "local": "1961-10-11T12:13:29+08:00", "utc": "1961-10-11T04:13:29Z", "ms": -259530390968.4867 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 02:52 on Tue 10 Oct to 03:55 on Wed 11 Oct.", "fact": "1961-10-09T18:52:28Z → 1961-10-10T19:55:24Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 10th, 11:25–12:13 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 27005 s" }, { "step": "ruling", "text": "Navarātrārambha, Fuzhou, 1961: Tuesday 10 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": "1961-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Navratri) 1961 falls on Tuesday 10 October. Pratipadā runs from 02:52 on Tue 10 Oct to 03:55 on Wed 11 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vinayaka-chaturthi?on=1961-10-13", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24303, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-10-13T04:39:56+08:00", "utc": "1961-10-12T20:39:56Z", "ms": -259384803879.88632 }, "end": { "local": "1961-10-14T04:24:44+08:00", "utc": "1961-10-13T20:24:44Z", "ms": -259299315878.60654 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-13T04:39:56+08:00", "utc": "1961-10-12T20:39:56Z", "ms": -259384803879.88632 }, "end": { "local": "1961-10-14T04:24:44+08:00", "utc": "1961-10-13T20:24:44Z", "ms": -259299315878.60654 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-10-13", "window": { "start": { "local": "1961-10-13T11:24:59+08:00", "utc": "1961-10-13T03:24:59Z", "ms": -259360500865.01492 }, "end": { "local": "1961-10-13T12:12:59+08:00", "utc": "1961-10-13T04:12:59Z", "ms": -259357620865.01492 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-10-14", "window": { "start": { "local": "1961-10-14T11:24:45+08:00", "utc": "1961-10-14T03:24:45Z", "ms": -259274115060.22455 }, "end": { "local": "1961-10-14T12:12:45+08:00", "utc": "1961-10-14T04:12:45Z", "ms": -259271235060.22455 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:40 on Fri 13 Oct to 04:25 on Sat 14 Oct.", "fact": "1961-10-12T20:39:56Z → 1961-10-13T20:24:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 13th, 11:25–12:13 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24303 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Friday 13 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": "1961-10-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Friday 13 October. Caturthī runs from 04:40 on Fri 13 Oct to 04:25 on Sat 14 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-10-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11772, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1961-10-16T02:45:57+08:00", "utc": "1961-10-15T18:45:57Z", "ms": -259132443422.67844 }, "end": { "local": "1961-10-17T01:23:39+08:00", "utc": "1961-10-16T17:23:39Z", "ms": -259050980821.87448 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-16T02:45:57+08:00", "utc": "1961-10-15T18:45:57Z", "ms": -259132443422.67844 }, "end": { "local": "1961-10-17T01:23:39+08:00", "utc": "1961-10-16T17:23:39Z", "ms": -259050980821.87448 } }, "kaala": "udaya-1", "days": [ { "local_date": "1961-10-16", "window": { "start": { "local": "1961-10-16T06:02:09+08:00", "utc": "1961-10-15T22:02:09Z", "ms": -259120671352.59464 }, "end": { "local": "1961-10-16T06:48:18+08:00", "utc": "1961-10-15T22:48:18Z", "ms": -259117902087.97473 } }, "covered_min": 46, "window_min": 46, "qualifies": true }, { "local_date": "1961-10-17", "window": { "start": { "local": "1961-10-17T06:02:40+08:00", "utc": "1961-10-16T22:02:40Z", "ms": -259034239972.79294 }, "end": { "local": "1961-10-17T06:48:43+08:00", "utc": "1961-10-16T22:48:43Z", "ms": -259031476569.62534 } }, "covered_min": 0, "window_min": 46, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:46 on Mon 16 Oct to 01:24 on Tue 17 Oct.", "fact": "1961-10-15T18:45:57Z → 1961-10-16T17:23:39Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:02–06:48 on the 16th, 06:03–06:49 on the 17th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 46 of 46 minutes on the 16th and 0 of 46 on the 17th.", "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 11772 s" }, { "step": "ruling", "text": "Durgā Saptamī, Fuzhou, 1961: Monday 16 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": "1961-10-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Saptamī 1961 falls on Monday 16 October. Saptamī runs from 02:46 on Mon 16 Oct to 01:24 on Tue 17 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36026, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-10-17T01:23:39+08:00", "utc": "1961-10-16T17:23:39Z", "ms": -259050980821.87448 }, "end": { "local": "1961-10-17T23:40:03+08:00", "utc": "1961-10-17T15:40:03Z", "ms": -258970796893.10037 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-17T01:23:39+08:00", "utc": "1961-10-16T17:23:39Z", "ms": -259050980821.87448 }, "end": { "local": "1961-10-17T23:40:03+08:00", "utc": "1961-10-17T15:40:03Z", "ms": -258970796893.10037 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-10-17", "window": { "start": { "local": "1961-10-17T11:24:06+08:00", "utc": "1961-10-17T03:24:06Z", "ms": -259014954449.03583 }, "end": { "local": "1961-10-17T12:12:06+08:00", "utc": "1961-10-17T04:12:06Z", "ms": -259012074449.03583 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-10-18", "window": { "start": { "local": "1961-10-18T11:23:54+08:00", "utc": "1961-10-18T03:23:54Z", "ms": -258928566459.8224 }, "end": { "local": "1961-10-18T12:11:54+08:00", "utc": "1961-10-18T04:11:54Z", "ms": -258925686459.8224 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:24 on Tue 17 Oct to 23:40 on Tue 17 Oct.", "fact": "1961-10-16T17:23:39Z → 1961-10-17T15:40:03Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 17th, 11:24–12:12 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36026 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Fuzhou, 1961: Tuesday 17 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": "1961-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 1961 falls on Tuesday 17 October. Aṣṭamī runs from 01:24 on Tue 17 Oct to 23:40 on Tue 17 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33852, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1961-10-17T23:40:03+08:00", "utc": "1961-10-17T15:40:03Z", "ms": -258970796893.10037 }, "end": { "local": "1961-10-18T21:36:05+08:00", "utc": "1961-10-18T13:36:05Z", "ms": -258891834772.17145 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-17T23:40:03+08:00", "utc": "1961-10-17T15:40:03Z", "ms": -258970796893.10037 }, "end": { "local": "1961-10-18T21:36:05+08:00", "utc": "1961-10-18T13:36:05Z", "ms": -258891834772.17145 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-10-17", "window": { "start": { "local": "1961-10-17T11:24:06+08:00", "utc": "1961-10-17T03:24:06Z", "ms": -259014954449.03583 }, "end": { "local": "1961-10-17T12:12:06+08:00", "utc": "1961-10-17T04:12:06Z", "ms": -259012074449.03583 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-10-18", "window": { "start": { "local": "1961-10-18T11:23:54+08:00", "utc": "1961-10-18T03:23:54Z", "ms": -258928566459.8224 }, "end": { "local": "1961-10-18T12:11:54+08:00", "utc": "1961-10-18T04:11:54Z", "ms": -258925686459.8224 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 23:40 on Tue 17 Oct to 21:36 on Wed 18 Oct.", "fact": "1961-10-17T15:40:03Z → 1961-10-18T13:36:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 17th, 11:24–12:12 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33852 s" }, { "step": "ruling", "text": "Mahānavamī, Fuzhou, 1961: Wednesday 18 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": "1961-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahānavamī 1961 falls on Wednesday 18 October. Navamī runs from 23:40 on Tue 17 Oct to 21:36 on Wed 18 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7923, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1961-10-18T21:36:05+08:00", "utc": "1961-10-18T13:36:05Z", "ms": -258891834772.17145 }, "end": { "local": "1961-10-19T19:13:40+08:00", "utc": "1961-10-19T11:13:40Z", "ms": -258813979610.14435 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-18T21:36:05+08:00", "utc": "1961-10-18T13:36:05Z", "ms": -258891834772.17145 }, "end": { "local": "1961-10-19T19:13:40+08:00", "utc": "1961-10-19T11:13:40Z", "ms": -258813979610.14435 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-10-18", "window": { "start": { "local": "1961-10-18T11:23:54+08:00", "utc": "1961-10-18T03:23:54Z", "ms": -258928566459.8224 }, "end": { "local": "1961-10-18T12:11:54+08:00", "utc": "1961-10-18T04:11:54Z", "ms": -258925686459.8224 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-10-19", "window": { "start": { "local": "1961-10-19T11:23:42+08:00", "utc": "1961-10-19T03:23:42Z", "ms": -258842177883.08862 }, "end": { "local": "1961-10-19T12:11:42+08:00", "utc": "1961-10-19T04:11:42Z", "ms": -258839297883.08862 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 21:36 on Wed 18 Oct to 19:14 on Thu 19 Oct.", "fact": "1961-10-18T13:36:05Z → 1961-10-19T11:13:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 18th, 11:24–12:12 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7923 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Fuzhou, 1961: Thursday 19 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": "1961-10-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 1961 falls on Thursday 19 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 21:36 on Wed 18 Oct to 19:14 on Thu 19 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-10-20", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37907, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-10-19T19:13:40+08:00", "utc": "1961-10-19T11:13:40Z", "ms": -258813979610.14435 }, "end": { "local": "1961-10-20T16:36:03+08:00", "utc": "1961-10-20T08:36:03Z", "ms": -258737036663.56546 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-19T19:13:40+08:00", "utc": "1961-10-19T11:13:40Z", "ms": -258813979610.14435 }, "end": { "local": "1961-10-20T16:36:03+08:00", "utc": "1961-10-20T08:36:03Z", "ms": -258737036663.56546 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-10-19", "window": { "start": { "local": "1961-10-19T06:03:44+08:00", "utc": "1961-10-18T22:03:44Z", "ms": -258861376028.39505 }, "end": { "local": "1961-10-19T06:03:44+08:00", "utc": "1961-10-18T22:03:44Z", "ms": -258861376028.39505 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-10-20", "window": { "start": { "local": "1961-10-20T06:04:17+08:00", "utc": "1961-10-19T22:04:17Z", "ms": -258774943450.22342 }, "end": { "local": "1961-10-20T06:04:17+08:00", "utc": "1961-10-19T22:04:17Z", "ms": -258774943450.22342 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:14 on Thu 19 Oct to 16:36 on Fri 20 Oct.", "fact": "1961-10-19T11:13:40Z → 1961-10-20T08:36:03Z" }, { "step": "kaala", "text": "Sunrise is at 06:04 on the 19th and 06:04 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 37907 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 1961: Friday 20 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": "1961-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 1961 falls on Friday 20 October. Ekādaśī runs from 19:14 on Thu 19 Oct to 16:36 on Fri 20 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-10-20", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-10-21", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13313, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-10-21T13:48:00+08:00", "utc": "1961-10-21T05:48:00Z", "ms": -258660720042.7799 }, "end": { "local": "1961-10-22T10:55:47+08:00", "utc": "1961-10-22T02:55:47Z", "ms": -258584652735.7316 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1961-10-21T13:48:00+08:00", "utc": "1961-10-21T05:48:00Z", "ms": -258660720042.7799 }, "end": { "local": "1961-10-22T10:55:47+08:00", "utc": "1961-10-22T02:55:47Z", "ms": -258584652735.7316 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-10-21", "window": { "start": { "local": "1961-10-21T17:29:53+08:00", "utc": "1961-10-21T09:29:53Z", "ms": -258647407330.5099 }, "end": { "local": "1961-10-21T19:10:37+08:00", "utc": "1961-10-21T11:10:37Z", "ms": -258641363291.98987 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1961-10-22", "window": { "start": { "local": "1961-10-22T17:29:00+08:00", "utc": "1961-10-22T09:29:00Z", "ms": -258561059845.01675 }, "end": { "local": "1961-10-22T19:09:56+08:00", "utc": "1961-10-22T11:09:56Z", "ms": -258555004291.39764 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:48 on Sat 21 Oct to 10:56 on Sun 22 Oct.", "fact": "1961-10-21T05:48:00Z → 1961-10-22T02:55:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:30–19:11 on the 21st, 17:29–19:10 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 13313 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Saturday 21 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": "1961-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Saturday 21 October. Trayodaśī runs from 13:48 on Sat 21 Oct to 10:56 on Sun 22 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-10-21", "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/1961/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13377, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-10-27T00:25:24+08:00", "utc": "1961-10-26T16:25:24Z", "ms": -258190475899.922 }, "end": { "local": "1961-10-28T00:05:27+08:00", "utc": "1961-10-27T16:05:27Z", "ms": -258105273300.6909 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-10-27T00:25:24+08:00", "utc": "1961-10-26T16:25:24Z", "ms": -258190475899.922 }, "end": { "local": "1961-10-28T00:05:27+08:00", "utc": "1961-10-27T16:05:27Z", "ms": -258105273300.6909 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-10-26", "window": { "start": { "local": "1961-10-26T19:34:26+08:00", "utc": "1961-10-26T11:34:26Z", "ms": -258207934244.1774 }, "end": { "local": "1961-10-26T19:34:26+08:00", "utc": "1961-10-26T11:34:26Z", "ms": -258207934244.1774 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-10-27", "window": { "start": { "local": "1961-10-27T20:22:30+08:00", "utc": "1961-10-27T12:22:30Z", "ms": -258118649907.06647 }, "end": { "local": "1961-10-27T20:22:30+08:00", "utc": "1961-10-27T12:22:30Z", "ms": -258118649907.06647 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:25 on Fri 27 Oct to 00:05 on Sat 28 Oct.", "fact": "1961-10-26T16:25:24Z → 1961-10-27T16:05:27Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 26th and 20:23 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "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 13377 s" }, { "step": "ruling", "text": "Karaka Caturthī, Fuzhou, 1961: Friday 27 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": "1961-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 1961 falls on Friday 27 October. Caturthī runs from 00:25 on Fri 27 Oct to 00:05 on Sat 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-10-27", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13377, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-10-27T00:25:24+08:00", "utc": "1961-10-26T16:25:24Z", "ms": -258190475899.922 }, "end": { "local": "1961-10-28T00:05:27+08:00", "utc": "1961-10-27T16:05:27Z", "ms": -258105273300.6909 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-10-27T00:25:24+08:00", "utc": "1961-10-26T16:25:24Z", "ms": -258190475899.922 }, "end": { "local": "1961-10-28T00:05:27+08:00", "utc": "1961-10-27T16:05:27Z", "ms": -258105273300.6909 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-10-26", "window": { "start": { "local": "1961-10-26T19:34:26+08:00", "utc": "1961-10-26T11:34:26Z", "ms": -258207934244.1774 }, "end": { "local": "1961-10-26T19:34:26+08:00", "utc": "1961-10-26T11:34:26Z", "ms": -258207934244.1774 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-10-27", "window": { "start": { "local": "1961-10-27T20:22:30+08:00", "utc": "1961-10-27T12:22:30Z", "ms": -258118649907.06647 }, "end": { "local": "1961-10-27T20:22:30+08:00", "utc": "1961-10-27T12:22:30Z", "ms": -258118649907.06647 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:25 on Fri 27 Oct to 00:05 on Sat 28 Oct.", "fact": "1961-10-26T16:25:24Z → 1961-10-27T16:05:27Z" }, { "step": "kaala", "text": "Moonrise is at 19:34 on the 26th and 20:23 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.", "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 13377 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Friday 27 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": "1961-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Friday 27 October. Caturthī runs from 00:25 on Fri 27 Oct to 00:05 on Sat 28 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-10-27", "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/1961/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17618, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-10-31T03:47:49+08:00", "utc": "1961-10-30T19:47:49Z", "ms": -257832730551.3471 }, "end": { "local": "1961-11-01T06:14:38+08:00", "utc": "1961-10-31T22:14:38Z", "ms": -257737521953.8234 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-10-31T03:47:49+08:00", "utc": "1961-10-30T19:47:49Z", "ms": -257832730551.3471 }, "end": { "local": "1961-11-01T06:14:38+08:00", "utc": "1961-10-31T22:14:38Z", "ms": -257737521953.8234 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-10-30", "window": { "start": { "local": "1961-10-30T22:54:11+08:00", "utc": "1961-10-30T14:54:11Z", "ms": -257850348955.43295 }, "end": { "local": "1961-10-30T22:54:11+08:00", "utc": "1961-10-30T14:54:11Z", "ms": -257850348955.43295 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-10-31", "window": { "start": { "local": "1961-10-31T23:45:32+08:00", "utc": "1961-10-31T15:45:32Z", "ms": -257760868256.07812 }, "end": { "local": "1961-10-31T23:45:32+08:00", "utc": "1961-10-31T15:45:32Z", "ms": -257760868256.07812 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 03:48 on Tue 31 Oct to 06:15 on Wed 1 Nov.", "fact": "1961-10-30T19:47:49Z → 1961-10-31T22:14:38Z" }, { "step": "kaala", "text": "Moonrise is at 22:54 on the 30th and 23:46 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 30th and is on the 31st.", "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 17618 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Fuzhou, 1961: Tuesday 31 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": "1961-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-10-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Ahoyī Aṣṭamī 1961 falls on Tuesday 31 October. Aṣṭamī runs from 03:48 on Tue 31 Oct to 06:15 on Wed 1 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-11-04", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19306, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-11-03T11:34:26+08:00", "utc": "1961-11-03T03:34:26Z", "ms": -257545534443.47934 }, "end": { "local": "1961-11-04T13:56:04+08:00", "utc": "1961-11-04T05:56:04Z", "ms": -257450636440.67868 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-03T11:34:26+08:00", "utc": "1961-11-03T03:34:26Z", "ms": -257545534443.47934 }, "end": { "local": "1961-11-04T13:56:04+08:00", "utc": "1961-11-04T05:56:04Z", "ms": -257450636440.67868 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-11-03", "window": { "start": { "local": "1961-11-03T06:12:39+08:00", "utc": "1961-11-02T22:12:39Z", "ms": -257564840586.85583 }, "end": { "local": "1961-11-03T06:12:39+08:00", "utc": "1961-11-02T22:12:39Z", "ms": -257564840586.85583 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-11-04", "window": { "start": { "local": "1961-11-04T06:13:19+08:00", "utc": "1961-11-03T22:13:19Z", "ms": -257478401229.8968 }, "end": { "local": "1961-11-04T06:13:19+08:00", "utc": "1961-11-03T22:13:19Z", "ms": -257478401229.8968 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:34 on Fri 3 Nov to 13:56 on Sat 4 Nov.", "fact": "1961-11-03T03:34:26Z → 1961-11-04T05:56:04Z" }, { "step": "kaala", "text": "Sunrise is at 06:13 on the 3rd and 06:13 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 19306 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Fuzhou, 1961: Saturday 4 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": "1961-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Ramā Ekādaśī 1961 falls on Saturday 4 November. Ekādaśī runs from 11:34 on Fri 3 Nov to 13:56 on Sat 4 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-11-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5345, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1961-11-04T13:56:04+08:00", "utc": "1961-11-04T05:56:04Z", "ms": -257450636440.67868 }, "end": { "local": "1961-11-05T15:49:27+08:00", "utc": "1961-11-05T07:49:27Z", "ms": -257357433222.8617 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-04T13:56:04+08:00", "utc": "1961-11-04T05:56:04Z", "ms": -257450636440.67868 }, "end": { "local": "1961-11-05T15:49:27+08:00", "utc": "1961-11-05T07:49:27Z", "ms": -257357433222.8617 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-11-04", "window": { "start": { "local": "1961-11-04T17:19:09+08:00", "utc": "1961-11-04T09:19:09Z", "ms": -257438450548.4573 }, "end": { "local": "1961-11-04T19:02:28+08:00", "utc": "1961-11-04T11:02:28Z", "ms": -257432252000.43048 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1961-11-05", "window": { "start": { "local": "1961-11-05T17:18:32+08:00", "utc": "1961-11-05T09:18:32Z", "ms": -257352087983.55807 }, "end": { "local": "1961-11-05T19:02:01+08:00", "utc": "1961-11-05T11:02:01Z", "ms": -257345879082.19287 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:56 on Sat 4 Nov to 15:49 on Sun 5 Nov.", "fact": "1961-11-04T05:56:04Z → 1961-11-05T07:49:27Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:02 on the 4th, 17:19–19:02 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 4th and 0 of 103 on the 5th.", "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 5345 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Fuzhou, 1961: Saturday 4 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-11-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 1961 falls on Saturday 4 November. Dvādaśī runs from 13:56 on Sat 4 Nov to 15:49 on Sun 5 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 582, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-11-05T15:49:27+08:00", "utc": "1961-11-05T07:49:27Z", "ms": -257357433222.8617 }, "end": { "local": "1961-11-06T17:08:14+08:00", "utc": "1961-11-06T09:08:14Z", "ms": -257266306304.8858 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-05T15:49:27+08:00", "utc": "1961-11-05T07:49:27Z", "ms": -257357433222.8617 }, "end": { "local": "1961-11-06T17:08:14+08:00", "utc": "1961-11-06T09:08:14Z", "ms": -257266306304.8858 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-11-05", "window": { "start": { "local": "1961-11-05T17:18:32+08:00", "utc": "1961-11-05T09:18:32Z", "ms": -257352087983.55807 }, "end": { "local": "1961-11-05T19:02:01+08:00", "utc": "1961-11-05T11:02:01Z", "ms": -257345879082.19287 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1961-11-06", "window": { "start": { "local": "1961-11-06T17:17:56+08:00", "utc": "1961-11-06T09:17:56Z", "ms": -257265724158.9778 }, "end": { "local": "1961-11-06T19:01:35+08:00", "utc": "1961-11-06T11:01:35Z", "ms": -257259505017.53873 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:49 on Sun 5 Nov to 17:08 on Mon 6 Nov.", "fact": "1961-11-05T07:49:27Z → 1961-11-06T09:08:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:02 on the 5th, 17:18–19:02 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 5th and 0 of 104 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 582 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Fuzhou, 1961: Sunday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dīpadāna 1961 falls on Sunday 5 November. Trayodaśī runs from 15:49 on Sun 5 Nov to 17:08 on Mon 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-11-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 582, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-11-05T15:49:27+08:00", "utc": "1961-11-05T07:49:27Z", "ms": -257357433222.8617 }, "end": { "local": "1961-11-06T17:08:14+08:00", "utc": "1961-11-06T09:08:14Z", "ms": -257266306304.8858 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-05T15:49:27+08:00", "utc": "1961-11-05T07:49:27Z", "ms": -257357433222.8617 }, "end": { "local": "1961-11-06T17:08:14+08:00", "utc": "1961-11-06T09:08:14Z", "ms": -257266306304.8858 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-11-05", "window": { "start": { "local": "1961-11-05T17:18:32+08:00", "utc": "1961-11-05T09:18:32Z", "ms": -257352087983.55807 }, "end": { "local": "1961-11-05T19:02:01+08:00", "utc": "1961-11-05T11:02:01Z", "ms": -257345879082.19287 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1961-11-06", "window": { "start": { "local": "1961-11-06T17:17:56+08:00", "utc": "1961-11-06T09:17:56Z", "ms": -257265724158.9778 }, "end": { "local": "1961-11-06T19:01:35+08:00", "utc": "1961-11-06T11:01:35Z", "ms": -257259505017.53873 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:49 on Sun 5 Nov to 17:08 on Mon 6 Nov.", "fact": "1961-11-05T07:49:27Z → 1961-11-06T09:08:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:02 on the 5th, 17:18–19:02 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 5th and 0 of 104 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 582 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Sunday 5 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": "1961-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Sunday 5 November. Trayodaśī runs from 15:49 on Sun 5 Nov to 17:08 on Mon 6 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-11-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/shivaratri?on=1961-11-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19924, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-11-06T17:08:14+08:00", "utc": "1961-11-06T09:08:14Z", "ms": -257266306304.8858 }, "end": { "local": "1961-11-07T17:50:37+08:00", "utc": "1961-11-07T09:50:37Z", "ms": -257177363315.62402 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-06T17:08:14+08:00", "utc": "1961-11-06T09:08:14Z", "ms": -257266306304.8858 }, "end": { "local": "1961-11-07T17:50:37+08:00", "utc": "1961-11-07T09:50:37Z", "ms": -257177363315.62402 } }, "kaala": "nishita", "days": [ { "local_date": "1961-11-06", "window": { "start": { "local": "1961-11-06T23:22:38+08:00", "utc": "1961-11-06T15:22:38Z", "ms": -257243842378.58124 }, "end": { "local": "1961-11-07T00:10:38+08:00", "utc": "1961-11-06T16:10:38Z", "ms": -257240962378.58124 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-11-07", "window": { "start": { "local": "1961-11-07T23:22:41+08:00", "utc": "1961-11-07T15:22:41Z", "ms": -257157439316.41235 }, "end": { "local": "1961-11-08T00:10:41+08:00", "utc": "1961-11-07T16:10:41Z", "ms": -257154559316.41235 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:08 on Mon 6 Nov to 17:51 on Tue 7 Nov.", "fact": "1961-11-06T09:08:14Z → 1961-11-07T09:50:37Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 6th, 23:23–00:11 on the 7th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19924 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Monday 6 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Monday 6 November. Caturdaśī runs from 17:08 on Mon 6 Nov to 17:51 on Tue 7 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-11-06", "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/1961/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38494, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-11-06T17:08:14+08:00", "utc": "1961-11-06T09:08:14Z", "ms": -257266306304.8858 }, "end": { "local": "1961-11-07T17:50:37+08:00", "utc": "1961-11-07T09:50:37Z", "ms": -257177363315.62402 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-06T17:08:14+08:00", "utc": "1961-11-06T09:08:14Z", "ms": -257266306304.8858 }, "end": { "local": "1961-11-07T17:50:37+08:00", "utc": "1961-11-07T09:50:37Z", "ms": -257177363315.62402 } }, "kaala": "arunodaya", "days": [ { "local_date": "1961-11-07", "window": { "start": { "local": "1961-11-07T04:31:40+08:00", "utc": "1961-11-06T20:31:40Z", "ms": -257225299739.62372 }, "end": { "local": "1961-11-07T06:15:19+08:00", "utc": "1961-11-06T22:15:19Z", "ms": -257219080598.18463 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1961-11-08", "window": { "start": { "local": "1961-11-08T04:32:11+08:00", "utc": "1961-11-07T20:32:11Z", "ms": -257138868841.3591 }, "end": { "local": "1961-11-08T06:16:00+08:00", "utc": "1961-11-07T22:16:00Z", "ms": -257132639577.70337 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:08 on Mon 6 Nov to 17:51 on Tue 7 Nov.", "fact": "1961-11-06T09:08:14Z → 1961-11-07T09:50:37Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:32–06:15 on the 7th, 04:32–06:16 on the 8th.", "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 104 of 104 minutes on the 7th and 0 of 104 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 38494 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Fuzhou, 1961: Tuesday 7 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 1961 falls on Tuesday 7 November. Caturdaśī runs from 17:08 on Mon 6 Nov to 17:51 on Tue 7 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-07", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1996, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1961-11-07T17:50:37+08:00", "utc": "1961-11-07T09:50:37Z", "ms": -257177363315.62402 }, "end": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-07T17:50:37+08:00", "utc": "1961-11-07T09:50:37Z", "ms": -257177363315.62402 }, "end": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-11-07", "window": { "start": { "local": "1961-11-07T17:17:21+08:00", "utc": "1961-11-07T09:17:21Z", "ms": -257179359055.1213 }, "end": { "local": "1961-11-07T19:01:10+08:00", "utc": "1961-11-07T11:01:10Z", "ms": -257173129791.46558 } }, "covered_min": 71, "window_min": 104, "qualifies": true }, { "local_date": "1961-11-08", "window": { "start": { "local": "1961-11-08T17:16:47+08:00", "utc": "1961-11-08T09:16:47Z", "ms": -257092992653.44675 }, "end": { "local": "1961-11-08T19:00:47+08:00", "utc": "1961-11-08T11:00:47Z", "ms": -257086753390.11755 } }, "covered_min": 42, "window_min": 104, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:51 on Tue 7 Nov to 17:58 on Wed 8 Nov.", "fact": "1961-11-07T09:50:37Z → 1961-11-08T09:58:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:17–19:01 on the 7th, 17:17–19:01 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 71 of 104 minutes on the 7th and 42 of 104 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1996 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Fuzhou, 1961: Tuesday 7 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1961-11-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-07", "confidence": "boundary" } ], "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 1961 falls on Tuesday 7 November. Amāvasyā runs from 17:51 on Tue 7 Nov to 17:58 on Wed 8 Nov and covers 71 of 104 minutes of pradoṣa that evening. It also reaches the next evening for 42 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/1961/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/1961/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19460, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1961-11-07T17:50:37+08:00", "utc": "1961-11-07T09:50:37Z", "ms": -257177363315.62402 }, "end": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-07T17:50:37+08:00", "utc": "1961-11-07T09:50:37Z", "ms": -257177363315.62402 }, "end": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 } }, "kaala": "nishita", "days": [ { "local_date": "1961-11-07", "window": { "start": { "local": "1961-11-07T23:22:41+08:00", "utc": "1961-11-07T15:22:41Z", "ms": -257157439316.41235 }, "end": { "local": "1961-11-08T00:10:41+08:00", "utc": "1961-11-07T16:10:41Z", "ms": -257154559316.41235 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-11-08", "window": { "start": { "local": "1961-11-08T23:22:45+08:00", "utc": "1961-11-08T15:22:45Z", "ms": -257071035415.9623 }, "end": { "local": "1961-11-09T00:10:45+08:00", "utc": "1961-11-08T16:10:45Z", "ms": -257068155415.9623 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 17:51 on Tue 7 Nov to 17:58 on Wed 8 Nov.", "fact": "1961-11-07T09:50:37Z → 1961-11-08T09:58:24Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 7th, 23:23–00:11 on the 8th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19460 s" }, { "step": "ruling", "text": "Kālī Pūjā, Fuzhou, 1961: Tuesday 7 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": "1961-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Kālī Pūjā 1961 falls on Tuesday 7 November. Amāvasyā runs from 17:51 on Tue 7 Nov to 17:58 on Wed 8 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-08", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1171, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 }, "end": { "local": "1961-11-09T17:35:46+08:00", "utc": "1961-11-09T09:35:46Z", "ms": -257005454003.23013 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 }, "end": { "local": "1961-11-09T17:35:46+08:00", "utc": "1961-11-09T09:35:46Z", "ms": -257005454003.23013 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-11-08", "window": { "start": { "local": "1961-11-08T17:16:47+08:00", "utc": "1961-11-08T09:16:47Z", "ms": -257092992653.44675 }, "end": { "local": "1961-11-08T19:00:47+08:00", "utc": "1961-11-08T11:00:47Z", "ms": -257086753390.11755 } }, "covered_min": 62, "window_min": 104, "qualifies": true }, { "local_date": "1961-11-09", "window": { "start": { "local": "1961-11-09T17:16:15+08:00", "utc": "1961-11-09T09:16:15Z", "ms": -257006624936.41672 }, "end": { "local": "1961-11-09T19:00:24+08:00", "utc": "1961-11-09T11:00:24Z", "ms": -257000375800.73453 } }, "covered_min": 20, "window_min": 104, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:58 on Wed 8 Nov to 17:36 on Thu 9 Nov.", "fact": "1961-11-08T09:58:24Z → 1961-11-09T09:35:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:17–19:01 on the 8th, 17:16–19:00 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 62 of 104 minutes on the 8th and 20 of 104 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.", "fact": "priority: unstated → greater-coverage · margin 1171 s" }, { "step": "ruling", "text": "Bali Pūjā, Fuzhou, 1961: Wednesday 8 November.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1961-11-08", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-08", "confidence": "boundary" } ], "quote": "In Fuzhou, Bali Pūjā 1961 falls on Wednesday 8 November. Pratipadā runs from 17:58 on Wed 8 Nov to 17:36 on Thu 9 Nov and covers 62 of 104 minutes of pradoṣa that evening. It also reaches the next evening for 20 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19518, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 }, "end": { "local": "1961-11-09T17:35:46+08:00", "utc": "1961-11-09T09:35:46Z", "ms": -257005454003.23013 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 }, "end": { "local": "1961-11-09T17:35:46+08:00", "utc": "1961-11-09T09:35:46Z", "ms": -257005454003.23013 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-11-08", "window": { "start": { "local": "1961-11-08T11:22:24+08:00", "utc": "1961-11-08T03:22:24Z", "ms": -257114256115.57507 }, "end": { "local": "1961-11-08T12:10:24+08:00", "utc": "1961-11-08T04:10:24Z", "ms": -257111376115.57507 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-11-09", "window": { "start": { "local": "1961-11-09T11:22:28+08:00", "utc": "1961-11-09T03:22:28Z", "ms": -257027851557.4473 }, "end": { "local": "1961-11-09T12:10:28+08:00", "utc": "1961-11-09T04:10:28Z", "ms": -257024971557.4473 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:58 on Wed 8 Nov to 17:36 on Thu 9 Nov.", "fact": "1961-11-08T09:58:24Z → 1961-11-09T09:35:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 8th, 11:22–12:10 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19518 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Fuzhou, 1961: Thursday 9 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": "1961-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Govardhana Pūjā 1961 falls on Thursday 9 November. Pratipadā runs from 17:58 on Wed 8 Nov to 17:36 on Thu 9 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27553, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 }, "end": { "local": "1961-11-09T17:35:46+08:00", "utc": "1961-11-09T09:35:46Z", "ms": -257005454003.23013 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-08T17:58:24+08:00", "utc": "1961-11-08T09:58:24Z", "ms": -257090495614.03882 }, "end": { "local": "1961-11-09T17:35:46+08:00", "utc": "1961-11-09T09:35:46Z", "ms": -257005454003.23013 } }, "kaala": "purvahna", "days": [ { "local_date": "1961-11-08", "window": { "start": { "local": "1961-11-08T06:16:00+08:00", "utc": "1961-11-07T22:16:00Z", "ms": -257132639577.70337 }, "end": { "local": "1961-11-08T09:56:16+08:00", "utc": "1961-11-08T01:56:16Z", "ms": -257119423936.2845 } }, "covered_min": 0, "window_min": 220, "qualifies": false }, { "local_date": "1961-11-09", "window": { "start": { "local": "1961-11-09T06:16:42+08:00", "utc": "1961-11-08T22:16:42Z", "ms": -257046198178.47787 }, "end": { "local": "1961-11-09T09:56:33+08:00", "utc": "1961-11-09T01:56:33Z", "ms": -257033007097.79083 } }, "covered_min": 220, "window_min": 220, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 17:58 on Wed 8 Nov to 17:36 on Thu 9 Nov.", "fact": "1961-11-08T09:58:24Z → 1961-11-09T09:35:46Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:16–09:56 on the 8th, 06:17–09:57 on the 9th.", "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 220 minutes on the 8th and 220 of 220 on the 9th.", "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 27553 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Fuzhou, 1961: Thursday 9 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dyuta-pratipad", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "purvahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Dyūta Pratipad 1961 falls on Thursday 9 November. Pratipadā runs from 17:58 on Wed 8 Nov to 17:36 on Thu 9 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16644, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1961-11-09T17:35:46+08:00", "utc": "1961-11-09T09:35:46Z", "ms": -257005454003.23013 }, "end": { "local": "1961-11-10T16:47:58+08:00", "utc": "1961-11-10T08:47:58Z", "ms": -256921922286.95035 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-09T17:35:46+08:00", "utc": "1961-11-09T09:35:46Z", "ms": -257005454003.23013 }, "end": { "local": "1961-11-10T16:47:58+08:00", "utc": "1961-11-10T08:47:58Z", "ms": -256921922286.95035 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-11-09", "window": { "start": { "local": "1961-11-09T11:22:28+08:00", "utc": "1961-11-09T03:22:28Z", "ms": -257027851557.4473 }, "end": { "local": "1961-11-09T12:10:28+08:00", "utc": "1961-11-09T04:10:28Z", "ms": -257024971557.4473 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-11-10", "window": { "start": { "local": "1961-11-10T11:22:34+08:00", "utc": "1961-11-10T03:22:34Z", "ms": -256941446153.08405 }, "end": { "local": "1961-11-10T12:10:34+08:00", "utc": "1961-11-10T04:10:34Z", "ms": -256938566153.08405 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 17:36 on Thu 9 Nov to 16:48 on Fri 10 Nov.", "fact": "1961-11-09T09:35:46Z → 1961-11-10T08:47:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 9th, 11:23–12:11 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16644 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Fuzhou, 1961: Friday 10 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": "1961-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 1961 falls on Friday 10 November. Dvitīyā runs from 17:36 on Thu 9 Nov to 16:48 on Fri 10 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7615, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-11-11T15:40:22+08:00", "utc": "1961-11-11T07:40:22Z", "ms": -256839578196.21158 }, "end": { "local": "1961-11-12T14:17:42+08:00", "utc": "1961-11-12T06:17:42Z", "ms": -256758137621.16925 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-11T15:40:22+08:00", "utc": "1961-11-11T07:40:22Z", "ms": -256839578196.21158 }, "end": { "local": "1961-11-12T14:17:42+08:00", "utc": "1961-11-12T06:17:42Z", "ms": -256758137621.16925 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-11-11", "window": { "start": { "local": "1961-11-11T11:22:40+08:00", "utc": "1961-11-11T03:22:40Z", "ms": -256855039904.4079 }, "end": { "local": "1961-11-11T12:10:40+08:00", "utc": "1961-11-11T04:10:40Z", "ms": -256852159904.4079 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-11-12", "window": { "start": { "local": "1961-11-12T11:22:47+08:00", "utc": "1961-11-12T03:22:47Z", "ms": -256768632814.2152 }, "end": { "local": "1961-11-12T12:10:47+08:00", "utc": "1961-11-12T04:10:47Z", "ms": -256765752814.2152 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:40 on Sat 11 Nov to 14:18 on Sun 12 Nov.", "fact": "1961-11-11T07:40:22Z → 1961-11-12T06:17:42Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 7615 s" }, { "step": "ruling", "text": "Nāga Caturthī, Fuzhou, 1961: Sunday 12 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": "1961-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Caturthī 1961 falls on Sunday 12 November. Caturthī runs from 15:40 on Sat 11 Nov to 14:18 on Sun 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/vinayaka-chaturthi?on=1961-11-12", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7615, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-11-11T15:40:22+08:00", "utc": "1961-11-11T07:40:22Z", "ms": -256839578196.21158 }, "end": { "local": "1961-11-12T14:17:42+08:00", "utc": "1961-11-12T06:17:42Z", "ms": -256758137621.16925 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-11T15:40:22+08:00", "utc": "1961-11-11T07:40:22Z", "ms": -256839578196.21158 }, "end": { "local": "1961-11-12T14:17:42+08:00", "utc": "1961-11-12T06:17:42Z", "ms": -256758137621.16925 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-11-11", "window": { "start": { "local": "1961-11-11T11:22:40+08:00", "utc": "1961-11-11T03:22:40Z", "ms": -256855039904.4079 }, "end": { "local": "1961-11-11T12:10:40+08:00", "utc": "1961-11-11T04:10:40Z", "ms": -256852159904.4079 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-11-12", "window": { "start": { "local": "1961-11-12T11:22:47+08:00", "utc": "1961-11-12T03:22:47Z", "ms": -256768632814.2152 }, "end": { "local": "1961-11-12T12:10:47+08:00", "utc": "1961-11-12T04:10:47Z", "ms": -256765752814.2152 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:40 on Sat 11 Nov to 14:18 on Sun 12 Nov.", "fact": "1961-11-11T07:40:22Z → 1961-11-12T06:17:42Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7615 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Sunday 12 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": "1961-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Sunday 12 November. Caturthī runs from 15:40 on Sat 11 Nov to 14:18 on Sun 12 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-11-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1344, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1961-11-13T12:43:39+08:00", "utc": "1961-11-13T04:43:39Z", "ms": -256677380763.97974 }, "end": { "local": "1961-11-14T11:00:40+08:00", "utc": "1961-11-14T03:00:40Z", "ms": -256597159655.90396 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-13T12:43:39+08:00", "utc": "1961-11-13T04:43:39Z", "ms": -256677380763.97974 }, "end": { "local": "1961-11-14T11:00:40+08:00", "utc": "1961-11-14T03:00:40Z", "ms": -256597159655.90396 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-11-13", "window": { "start": { "local": "1961-11-13T11:22:55+08:00", "utc": "1961-11-13T03:22:55Z", "ms": -256682224885.9023 }, "end": { "local": "1961-11-13T12:10:55+08:00", "utc": "1961-11-13T04:10:55Z", "ms": -256679344885.9023 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-11-14", "window": { "start": { "local": "1961-11-14T11:23:04+08:00", "utc": "1961-11-14T03:23:04Z", "ms": -256595816123.19482 }, "end": { "local": "1961-11-14T12:11:04+08:00", "utc": "1961-11-14T04:11:04Z", "ms": -256592936123.19482 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:44 on Mon 13 Nov to 11:01 on Tue 14 Nov.", "fact": "1961-11-13T04:43:39Z → 1961-11-14T03:00:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 13th, 11:23–12:11 on the 14th.", "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 13th and 0 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 1344 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Fuzhou, 1961: Tuesday 14 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": "1961-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-14", "confidence": "boundary" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 1961 falls on Tuesday 14 November. Ṣaṣṭhī runs from 12:44 on Mon 13 Nov to 11:01 on Tue 14 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7981, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1961-11-15T09:10:12+08:00", "utc": "1961-11-15T01:10:12Z", "ms": -256517387506.67896 }, "end": { "local": "1961-11-16T07:13:07+08:00", "utc": "1961-11-15T23:13:07Z", "ms": -256438012642.99335 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-15T09:10:12+08:00", "utc": "1961-11-15T01:10:12Z", "ms": -256517387506.67896 }, "end": { "local": "1961-11-16T07:13:07+08:00", "utc": "1961-11-15T23:13:07Z", "ms": -256438012642.99335 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-11-15", "window": { "start": { "local": "1961-11-15T11:23:13+08:00", "utc": "1961-11-15T03:23:13Z", "ms": -256509406529.91217 }, "end": { "local": "1961-11-15T12:11:13+08:00", "utc": "1961-11-15T04:11:13Z", "ms": -256506526529.91217 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-11-16", "window": { "start": { "local": "1961-11-16T11:23:24+08:00", "utc": "1961-11-16T03:23:24Z", "ms": -256422996109.79376 }, "end": { "local": "1961-11-16T12:11:24+08:00", "utc": "1961-11-16T04:11:24Z", "ms": -256420116109.79376 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:10 on Wed 15 Nov to 07:13 on Thu 16 Nov.", "fact": "1961-11-15T01:10:12Z → 1961-11-15T23:13:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 15th, 11:23–12:11 on the 16th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7981 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Fuzhou, 1961: Wednesday 15 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": "1961-11-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Gopāṣṭamī 1961 falls on Wednesday 15 November. Aṣṭamī runs from 09:10 on Wed 15 Nov to 07:13 on Thu 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3087, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1961-11-16T07:13:07+08:00", "utc": "1961-11-15T23:13:07Z", "ms": -256438012642.99335 }, "end": { "local": "1961-11-17T05:10:17+08:00", "utc": "1961-11-16T21:10:17Z", "ms": -256358982911.56503 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-16T07:13:07+08:00", "utc": "1961-11-15T23:13:07Z", "ms": -256438012642.99335 }, "end": { "local": "1961-11-17T05:10:17+08:00", "utc": "1961-11-16T21:10:17Z", "ms": -256358982911.56503 } }, "kaala": "purvahna", "days": [ { "local_date": "1961-11-16", "window": { "start": { "local": "1961-11-16T06:21:41+08:00", "utc": "1961-11-15T22:21:41Z", "ms": -256441099475.7782 }, "end": { "local": "1961-11-16T09:58:49+08:00", "utc": "1961-11-16T01:58:49Z", "ms": -256428070565.1219 } }, "covered_min": 166, "window_min": 217, "qualifies": true }, { "local_date": "1961-11-17", "window": { "start": { "local": "1961-11-17T06:22:24+08:00", "utc": "1961-11-16T22:22:24Z", "ms": -256354655799.0479 }, "end": { "local": "1961-11-17T09:59:11+08:00", "utc": "1961-11-17T01:59:11Z", "ms": -256341648510.62198 } }, "covered_min": 0, "window_min": 217, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:13 on Thu 16 Nov to 05:10 on Fri 17 Nov.", "fact": "1961-11-15T23:13:07Z → 1961-11-16T21:10:17Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:22–09:59 on the 16th, 06:22–09:59 on the 17th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 166 of 217 minutes on the 16th and 0 of 217 on the 17th.", "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 3087 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Fuzhou, 1961: Thursday 16 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": "1961-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 1961 falls on Thursday 16 November. Navamī runs from 07:13 on Thu 16 Nov to 05:10 on Fri 17 Nov and covers 166 of 217 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15017, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1961-11-16T07:13:07+08:00", "utc": "1961-11-15T23:13:07Z", "ms": -256438012642.99335 }, "end": { "local": "1961-11-17T05:10:17+08:00", "utc": "1961-11-16T21:10:17Z", "ms": -256358982911.56503 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-16T07:13:07+08:00", "utc": "1961-11-15T23:13:07Z", "ms": -256438012642.99335 }, "end": { "local": "1961-11-17T05:10:17+08:00", "utc": "1961-11-16T21:10:17Z", "ms": -256358982911.56503 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-11-16", "window": { "start": { "local": "1961-11-16T11:23:24+08:00", "utc": "1961-11-16T03:23:24Z", "ms": -256422996109.79376 }, "end": { "local": "1961-11-16T12:11:24+08:00", "utc": "1961-11-16T04:11:24Z", "ms": -256420116109.79376 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-11-17", "window": { "start": { "local": "1961-11-17T11:23:35+08:00", "utc": "1961-11-17T03:23:35Z", "ms": -256336584866.40903 }, "end": { "local": "1961-11-17T12:11:35+08:00", "utc": "1961-11-17T04:11:35Z", "ms": -256333704866.40903 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:13 on Thu 16 Nov to 05:10 on Fri 17 Nov.", "fact": "1961-11-15T23:13:07Z → 1961-11-16T21:10:17Z" }, { "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": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15017 s" }, { "step": "ruling", "text": "Durgā Navamī, Fuzhou, 1961: Thursday 16 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": "1961-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Navamī 1961 falls on Thursday 16 November. Navamī runs from 07:13 on Thu 16 Nov to 05:10 on Fri 17 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-11-18", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11997, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-11-18T03:03:11+08:00", "utc": "1961-11-17T19:03:11Z", "ms": -256280208764.88882 }, "end": { "local": "1961-11-19T00:54:27+08:00", "utc": "1961-11-18T16:54:27Z", "ms": -256201533281.1715 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-18T03:03:11+08:00", "utc": "1961-11-17T19:03:11Z", "ms": -256280208764.88882 }, "end": { "local": "1961-11-19T00:54:27+08:00", "utc": "1961-11-18T16:54:27Z", "ms": -256201533281.1715 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-11-18", "window": { "start": { "local": "1961-11-18T06:23:08+08:00", "utc": "1961-11-17T22:23:08Z", "ms": -256268211939.38287 }, "end": { "local": "1961-11-18T06:23:08+08:00", "utc": "1961-11-17T22:23:08Z", "ms": -256268211939.38287 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-11-19", "window": { "start": { "local": "1961-11-19T06:23:52+08:00", "utc": "1961-11-18T22:23:52Z", "ms": -256181767918.95724 }, "end": { "local": "1961-11-19T06:23:52+08:00", "utc": "1961-11-18T22:23:52Z", "ms": -256181767918.95724 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:03 on Sat 18 Nov to 00:54 on Sun 19 Nov.", "fact": "1961-11-17T19:03:11Z → 1961-11-18T16:54:27Z" }, { "step": "kaala", "text": "Sunrise is at 06:23 on the 18th and 06:24 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 11997 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Fuzhou, 1961: Saturday 18 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": "1961-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Prabodhinī Ekādaśī 1961 falls on Saturday 18 November. Ekādaśī runs from 03:03 on Sat 18 Nov to 00:54 on Sun 19 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-11-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-11-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6715, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-11-19T22:48:05+08:00", "utc": "1961-11-19T14:48:05Z", "ms": -256122714949.79214 }, "end": { "local": "1961-11-20T20:49:34+08:00", "utc": "1961-11-20T12:49:34Z", "ms": -256043425601.62402 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-19T22:48:05+08:00", "utc": "1961-11-19T14:48:05Z", "ms": -256122714949.79214 }, "end": { "local": "1961-11-20T20:49:34+08:00", "utc": "1961-11-20T12:49:34Z", "ms": -256043425601.62402 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-11-19", "window": { "start": { "local": "1961-11-19T17:12:08+08:00", "utc": "1961-11-19T09:12:08Z", "ms": -256142871927.79144 }, "end": { "local": "1961-11-19T18:57:48+08:00", "utc": "1961-11-19T10:57:48Z", "ms": -256136532172.05948 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1961-11-20", "window": { "start": { "local": "1961-11-20T17:11:51+08:00", "utc": "1961-11-20T09:11:51Z", "ms": -256056488701.25357 }, "end": { "local": "1961-11-20T18:57:39+08:00", "utc": "1961-11-20T10:57:39Z", "ms": -256050140805.63846 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:48 on Sun 19 Nov to 20:50 on Mon 20 Nov.", "fact": "1961-11-19T14:48:05Z → 1961-11-20T12:49:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–18:58 on the 19th, 17:12–18:58 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 106 minutes on the 19th and 106 of 106 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 6715 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Monday 20 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": "1961-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Monday 20 November. Trayodaśī runs from 22:48 on Sun 19 Nov to 20:50 on Mon 20 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-11-20", "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/1961/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15554, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-11-21T19:05:37+08:00", "utc": "1961-11-21T11:05:37Z", "ms": -255963263247.9305 }, "end": { "local": "1961-11-22T17:43:41+08:00", "utc": "1961-11-22T09:43:41Z", "ms": -255881778824.93326 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-21T19:05:37+08:00", "utc": "1961-11-21T11:05:37Z", "ms": -255963263247.9305 }, "end": { "local": "1961-11-22T17:43:41+08:00", "utc": "1961-11-22T09:43:41Z", "ms": -255881778824.93326 } }, "kaala": "nishita", "days": [ { "local_date": "1961-11-21", "window": { "start": { "local": "1961-11-21T23:24:50+08:00", "utc": "1961-11-21T15:24:50Z", "ms": -255947709543.84534 }, "end": { "local": "1961-11-22T00:12:50+08:00", "utc": "1961-11-21T16:12:50Z", "ms": -255944829543.84534 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-11-22", "window": { "start": { "local": "1961-11-22T23:25:06+08:00", "utc": "1961-11-22T15:25:06Z", "ms": -255861294202.41638 }, "end": { "local": "1961-11-23T00:13:06+08:00", "utc": "1961-11-22T16:13:06Z", "ms": -255858414202.41638 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:06 on Tue 21 Nov to 17:44 on Wed 22 Nov.", "fact": "1961-11-21T11:05:37Z → 1961-11-22T09:43:41Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:25–00:13 on the 21st, 23:25–00:13 on the 22nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15554 s" }, { "step": "ruling", "text": "Rāsayātrā, Fuzhou, 1961: Tuesday 21 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": "1961-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāsayātrā 1961 falls on Tuesday 21 November. Pūrṇimā runs from 19:06 on Tue 21 Nov to 17:44 on Wed 22 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19858, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-11-21T19:05:37+08:00", "utc": "1961-11-21T11:05:37Z", "ms": -255963263247.9305 }, "end": { "local": "1961-11-22T17:43:41+08:00", "utc": "1961-11-22T09:43:41Z", "ms": -255881778824.93326 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1961-11-21T19:05:37+08:00", "utc": "1961-11-21T11:05:37Z", "ms": -255963263247.9305 }, "end": { "local": "1961-11-22T17:43:41+08:00", "utc": "1961-11-22T09:43:41Z", "ms": -255881778824.93326 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-11-21", "window": { "start": { "local": "1961-11-21T11:24:28+08:00", "utc": "1961-11-21T03:24:28Z", "ms": -255990931728.50995 }, "end": { "local": "1961-11-21T12:12:28+08:00", "utc": "1961-11-21T04:12:28Z", "ms": -255988051728.50995 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-11-22", "window": { "start": { "local": "1961-11-22T11:24:44+08:00", "utc": "1961-11-22T03:24:44Z", "ms": -255904516421.96936 }, "end": { "local": "1961-11-22T12:12:44+08:00", "utc": "1961-11-22T04:12:44Z", "ms": -255901636421.96936 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 19:06 on Tue 21 Nov to 17:44 on Wed 22 Nov.", "fact": "1961-11-21T11:05:37Z → 1961-11-22T09:43:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 21st, 11:25–12:13 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19858 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Fuzhou, 1961: Wednesday 22 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kartiki-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-11-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Kārtikī Pūrṇimā 1961 falls on Wednesday 22 November. Pūrṇimā runs from 19:06 on Tue 21 Nov to 17:44 on Wed 22 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-11-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9259, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-11-25T17:00:55+08:00", "utc": "1961-11-25T09:00:55Z", "ms": -255625145010.4809 }, "end": { "local": "1961-11-26T18:09:11+08:00", "utc": "1961-11-26T10:09:11Z", "ms": -255534649316.50055 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-11-25T17:00:55+08:00", "utc": "1961-11-25T09:00:55Z", "ms": -255625145010.4809 }, "end": { "local": "1961-11-26T18:09:11+08:00", "utc": "1961-11-26T10:09:11Z", "ms": -255534649316.50055 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-11-25", "window": { "start": { "local": "1961-11-25T19:51:32+08:00", "utc": "1961-11-25T11:51:32Z", "ms": -255614907678.60614 }, "end": { "local": "1961-11-25T19:51:32+08:00", "utc": "1961-11-25T11:51:32Z", "ms": -255614907678.60614 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-11-26", "window": { "start": { "local": "1961-11-26T20:43:29+08:00", "utc": "1961-11-26T12:43:29Z", "ms": -255525390568.93292 }, "end": { "local": "1961-11-26T20:43:29+08:00", "utc": "1961-11-26T12:43:29Z", "ms": -255525390568.93292 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:01 on Sat 25 Nov to 18:09 on Sun 26 Nov.", "fact": "1961-11-25T09:00:55Z → 1961-11-26T10:09:11Z" }, { "step": "kaala", "text": "Moonrise is at 19:52 on the 25th and 20:43 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9259 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Saturday 25 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-11-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Saturday 25 November. Caturthī runs from 17:01 on Sat 25 Nov to 18:09 on Sun 26 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-11-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/ekadashi?on=1961-12-04", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5498, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-12-03T08:05:49+08:00", "utc": "1961-12-03T00:05:49Z", "ms": -254966051224.45587 }, "end": { "local": "1961-12-04T09:26:24+08:00", "utc": "1961-12-04T01:26:24Z", "ms": -254874815914.5545 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-03T08:05:49+08:00", "utc": "1961-12-03T00:05:49Z", "ms": -254966051224.45587 }, "end": { "local": "1961-12-04T09:26:24+08:00", "utc": "1961-12-04T01:26:24Z", "ms": -254874815914.5545 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-12-03", "window": { "start": { "local": "1961-12-03T06:34:11+08:00", "utc": "1961-12-02T22:34:11Z", "ms": -254971548836.51642 }, "end": { "local": "1961-12-03T06:34:11+08:00", "utc": "1961-12-02T22:34:11Z", "ms": -254971548836.51642 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-12-04", "window": { "start": { "local": "1961-12-04T06:34:54+08:00", "utc": "1961-12-03T22:34:54Z", "ms": -254885105657.4677 }, "end": { "local": "1961-12-04T06:34:54+08:00", "utc": "1961-12-03T22:34:54Z", "ms": -254885105657.4677 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 08:06 on Sun 3 Dec to 09:26 on Mon 4 Dec.", "fact": "1961-12-03T00:05:49Z → 1961-12-04T01:26:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:34 on the 3rd and 06:35 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 5498 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Fuzhou, 1961: Monday 4 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": "1961-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Utpannā Ekādaśī 1961 falls on Monday 4 December. Ekādaśī runs from 08:06 on Sun 3 Dec to 09:26 on Mon 4 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-12-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/pradosha-vrata?on=1961-12-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25638, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-12-05T10:03:26+08:00", "utc": "1961-12-05T02:03:26Z", "ms": -254786193608.34357 }, "end": { "local": "1961-12-06T09:57:00+08:00", "utc": "1961-12-06T01:57:00Z", "ms": -254700180369.44485 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-05T10:03:26+08:00", "utc": "1961-12-05T02:03:26Z", "ms": -254786193608.34357 }, "end": { "local": "1961-12-06T09:57:00+08:00", "utc": "1961-12-06T01:57:00Z", "ms": -254700180369.44485 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-12-05", "window": { "start": { "local": "1961-12-05T17:10:45+08:00", "utc": "1961-12-05T09:10:45Z", "ms": -254760555240.18637 }, "end": { "local": "1961-12-05T18:58:09+08:00", "utc": "1961-12-05T10:58:09Z", "ms": -254754110588.3242 } }, "covered_min": 107, "window_min": 107, "qualifies": true }, { "local_date": "1961-12-06", "window": { "start": { "local": "1961-12-06T17:10:53+08:00", "utc": "1961-12-06T09:10:53Z", "ms": -254674147247.77893 }, "end": { "local": "1961-12-06T18:58:22+08:00", "utc": "1961-12-06T10:58:22Z", "ms": -254667698056.0887 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:03 on Tue 5 Dec to 09:57 on Wed 6 Dec.", "fact": "1961-12-05T02:03:26Z → 1961-12-06T01:57:00Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:58 on the 5th, 17:11–18:58 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 5th and 0 of 107 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25638 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1961: Tuesday 5 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": "1961-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1961 falls on Tuesday 5 December. Trayodaśī runs from 10:03 on Tue 5 Dec to 09:57 on Wed 6 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-12-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/shivaratri?on=1961-12-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31980, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1961-12-06T09:57:00+08:00", "utc": "1961-12-06T01:57:00Z", "ms": -254700180369.44485 }, "end": { "local": "1961-12-07T09:10:57+08:00", "utc": "1961-12-07T01:10:57Z", "ms": -254616543114.96628 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-06T09:57:00+08:00", "utc": "1961-12-06T01:57:00Z", "ms": -254700180369.44485 }, "end": { "local": "1961-12-07T09:10:57+08:00", "utc": "1961-12-07T01:10:57Z", "ms": -254616543114.96628 } }, "kaala": "nishita", "days": [ { "local_date": "1961-12-05", "window": { "start": { "local": "1961-12-05T23:29:32+08:00", "utc": "1961-12-05T15:29:32Z", "ms": -254737827795.70316 }, "end": { "local": "1961-12-06T00:17:32+08:00", "utc": "1961-12-05T16:17:32Z", "ms": -254734947795.70316 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-12-06", "window": { "start": { "local": "1961-12-06T23:29:57+08:00", "utc": "1961-12-06T15:29:57Z", "ms": -254651402778.94067 }, "end": { "local": "1961-12-07T00:17:57+08:00", "utc": "1961-12-06T16:17:57Z", "ms": -254648522778.94067 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:57 on Wed 6 Dec to 09:11 on Thu 7 Dec.", "fact": "1961-12-06T01:57:00Z → 1961-12-07T01:10:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:30–00:18 on the 5th, 23:30–00:18 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 31980 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1961: Wednesday 6 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": "1961-12-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1961 falls on Wednesday 6 December. Caturdaśī runs from 09:57 on Wed 6 Dec to 09:11 on Thu 7 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1961/shivaratri?on=1961-12-06", "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/1961/vinayaka-chaturthi?on=1961-12-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34837, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-12-11T01:51:13+08:00", "utc": "1961-12-10T17:51:13Z", "ms": -254297327243.49695 }, "end": { "local": "1961-12-11T23:34:16+08:00", "utc": "1961-12-11T15:34:16Z", "ms": -254219143753.47064 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-11T01:51:13+08:00", "utc": "1961-12-10T17:51:13Z", "ms": -254297327243.49695 }, "end": { "local": "1961-12-11T23:34:16+08:00", "utc": "1961-12-11T15:34:16Z", "ms": -254219143753.47064 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-12-11", "window": { "start": { "local": "1961-12-11T11:31:50+08:00", "utc": "1961-12-11T03:31:50Z", "ms": -254262490113.20435 }, "end": { "local": "1961-12-11T12:19:50+08:00", "utc": "1961-12-11T04:19:50Z", "ms": -254259610113.20435 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-12-12", "window": { "start": { "local": "1961-12-12T11:32:18+08:00", "utc": "1961-12-12T03:32:18Z", "ms": -254176062100.171 }, "end": { "local": "1961-12-12T12:20:18+08:00", "utc": "1961-12-12T04:20:18Z", "ms": -254173182100.171 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:51 on Mon 11 Dec to 23:34 on Mon 11 Dec.", "fact": "1961-12-10T17:51:13Z → 1961-12-11T15:34:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 11th, 11:32–12:20 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34837 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1961: Monday 11 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-12-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1961 falls on Monday 11 December. Caturthī runs from 01:51 on Mon 11 Dec to 23:34 on Mon 11 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/vinayaka-chaturthi?on=1961-12-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32289, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1961-12-11T23:34:16+08:00", "utc": "1961-12-11T15:34:16Z", "ms": -254219143753.47064 }, "end": { "local": "1961-12-12T21:18:27+08:00", "utc": "1961-12-12T13:18:27Z", "ms": -254140892851.90863 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-11T23:34:16+08:00", "utc": "1961-12-11T15:34:16Z", "ms": -254219143753.47064 }, "end": { "local": "1961-12-12T21:18:27+08:00", "utc": "1961-12-12T13:18:27Z", "ms": -254140892851.90863 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-12-11", "window": { "start": { "local": "1961-12-11T11:31:50+08:00", "utc": "1961-12-11T03:31:50Z", "ms": -254262490113.20435 }, "end": { "local": "1961-12-11T12:19:50+08:00", "utc": "1961-12-11T04:19:50Z", "ms": -254259610113.20435 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-12-12", "window": { "start": { "local": "1961-12-12T11:32:18+08:00", "utc": "1961-12-12T03:32:18Z", "ms": -254176062100.171 }, "end": { "local": "1961-12-12T12:20:18+08:00", "utc": "1961-12-12T04:20:18Z", "ms": -254173182100.171 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:34 on Mon 11 Dec to 21:18 on Tue 12 Dec.", "fact": "1961-12-11T15:34:16Z → 1961-12-12T13:18:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 11th, 11:32–12:20 on the 12th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32289 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 1961: Tuesday 12 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": "1961-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 1961 falls on Tuesday 12 December. Pañcamī runs from 23:34 on Mon 11 Dec to 21:18 on Tue 12 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24404, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1961-12-12T21:18:27+08:00", "utc": "1961-12-12T13:18:27Z", "ms": -254140892851.90863 }, "end": { "local": "1961-12-13T19:07:30+08:00", "utc": "1961-12-13T11:07:30Z", "ms": -254062350115.8765 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-12T21:18:27+08:00", "utc": "1961-12-12T13:18:27Z", "ms": -254140892851.90863 }, "end": { "local": "1961-12-13T19:07:30+08:00", "utc": "1961-12-13T11:07:30Z", "ms": -254062350115.8765 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-12-12", "window": { "start": { "local": "1961-12-12T11:32:18+08:00", "utc": "1961-12-12T03:32:18Z", "ms": -254176062100.171 }, "end": { "local": "1961-12-12T12:20:18+08:00", "utc": "1961-12-12T04:20:18Z", "ms": -254173182100.171 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-12-13", "window": { "start": { "local": "1961-12-13T11:32:46+08:00", "utc": "1961-12-13T03:32:46Z", "ms": -254089633742.15155 }, "end": { "local": "1961-12-13T12:20:46+08:00", "utc": "1961-12-13T04:20:46Z", "ms": -254086753742.15155 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:18 on Tue 12 Dec to 19:07 on Wed 13 Dec.", "fact": "1961-12-12T13:18:27Z → 1961-12-13T11:07:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 12th, 11:33–12:21 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24404 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Fuzhou, 1961: Wednesday 13 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": "1961-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Campā Ṣaṣṭhī 1961 falls on Wednesday 13 December. Ṣaṣṭhī runs from 21:18 on Tue 12 Dec to 19:07 on Wed 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24404, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1961-12-12T21:18:27+08:00", "utc": "1961-12-12T13:18:27Z", "ms": -254140892851.90863 }, "end": { "local": "1961-12-13T19:07:30+08:00", "utc": "1961-12-13T11:07:30Z", "ms": -254062350115.8765 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-12T21:18:27+08:00", "utc": "1961-12-12T13:18:27Z", "ms": -254140892851.90863 }, "end": { "local": "1961-12-13T19:07:30+08:00", "utc": "1961-12-13T11:07:30Z", "ms": -254062350115.8765 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-12-12", "window": { "start": { "local": "1961-12-12T11:32:18+08:00", "utc": "1961-12-12T03:32:18Z", "ms": -254176062100.171 }, "end": { "local": "1961-12-12T12:20:18+08:00", "utc": "1961-12-12T04:20:18Z", "ms": -254173182100.171 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-12-13", "window": { "start": { "local": "1961-12-13T11:32:46+08:00", "utc": "1961-12-13T03:32:46Z", "ms": -254089633742.15155 }, "end": { "local": "1961-12-13T12:20:46+08:00", "utc": "1961-12-13T04:20:46Z", "ms": -254086753742.15155 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:18 on Tue 12 Dec to 19:07 on Wed 13 Dec.", "fact": "1961-12-12T13:18:27Z → 1961-12-13T11:07:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 12th, 11:33–12:21 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24404 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Fuzhou, 1961: Wednesday 13 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": "1961-12-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī 1961 falls on Wednesday 13 December. Ṣaṣṭhī runs from 21:18 on Tue 12 Dec to 19:07 on Wed 13 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16961, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1961-12-13T19:07:30+08:00", "utc": "1961-12-13T11:07:30Z", "ms": -254062350115.8765 }, "end": { "local": "1961-12-14T17:03:56+08:00", "utc": "1961-12-14T09:03:56Z", "ms": -253983363862.2735 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-13T19:07:30+08:00", "utc": "1961-12-13T11:07:30Z", "ms": -254062350115.8765 }, "end": { "local": "1961-12-14T17:03:56+08:00", "utc": "1961-12-14T09:03:56Z", "ms": -253983363862.2735 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-12-13", "window": { "start": { "local": "1961-12-13T11:32:46+08:00", "utc": "1961-12-13T03:32:46Z", "ms": -254089633742.15155 }, "end": { "local": "1961-12-13T12:20:46+08:00", "utc": "1961-12-13T04:20:46Z", "ms": -254086753742.15155 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1961-12-14", "window": { "start": { "local": "1961-12-14T11:33:15+08:00", "utc": "1961-12-14T03:33:15Z", "ms": -254003205073.03528 }, "end": { "local": "1961-12-14T12:21:15+08:00", "utc": "1961-12-14T04:21:15Z", "ms": -254000325073.03528 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:07 on Wed 13 Dec to 17:04 on Thu 14 Dec.", "fact": "1961-12-13T11:07:30Z → 1961-12-14T09:03:56Z" }, { "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": "Saptamī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 16961 s" }, { "step": "ruling", "text": "Mitra Saptamī, Fuzhou, 1961: Thursday 14 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": "1961-12-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Mitra Saptamī 1961 falls on Thursday 14 December. Saptamī runs from 19:07 on Wed 13 Dec to 17:04 on Thu 14 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/ekadashi?on=1961-12-18", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13789, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1961-12-17T11:52:43+08:00", "utc": "1961-12-17T03:52:43Z", "ms": -253742836860.6167 }, "end": { "local": "1961-12-18T10:33:53+08:00", "utc": "1961-12-18T02:33:53Z", "ms": -253661167373.30246 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-17T11:52:43+08:00", "utc": "1961-12-17T03:52:43Z", "ms": -253742836860.6167 }, "end": { "local": "1961-12-18T10:33:53+08:00", "utc": "1961-12-18T02:33:53Z", "ms": -253661167373.30246 } }, "kaala": "sunrise", "days": [ { "local_date": "1961-12-17", "window": { "start": { "local": "1961-12-17T06:43:29+08:00", "utc": "1961-12-16T22:43:29Z", "ms": -253761391182.1186 }, "end": { "local": "1961-12-17T06:43:29+08:00", "utc": "1961-12-16T22:43:29Z", "ms": -253761391182.1186 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1961-12-18", "window": { "start": { "local": "1961-12-18T06:44:03+08:00", "utc": "1961-12-17T22:44:03Z", "ms": -253674956761.37643 }, "end": { "local": "1961-12-18T06:44:03+08:00", "utc": "1961-12-17T22:44:03Z", "ms": -253674956761.37643 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:53 on Sun 17 Dec to 10:34 on Mon 18 Dec.", "fact": "1961-12-17T03:52:43Z → 1961-12-18T02:33:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:43 on the 17th and 06:44 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 13789 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Fuzhou, 1961: Monday 18 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": "1961-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Mokṣadā Ekādaśī 1961 falls on Monday 18 December. Ekādaśī runs from 11:53 on Sun 17 Dec to 10:34 on Mon 18 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/ekadashi?on=1961-12-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1961/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3679, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1961-12-18T10:33:53+08:00", "utc": "1961-12-18T02:33:53Z", "ms": -253661167373.30246 }, "end": { "local": "1961-12-19T09:31:29+08:00", "utc": "1961-12-19T01:31:29Z", "ms": -253578511038.1433 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-18T10:33:53+08:00", "utc": "1961-12-18T02:33:53Z", "ms": -253661167373.30246 }, "end": { "local": "1961-12-19T09:31:29+08:00", "utc": "1961-12-19T01:31:29Z", "ms": -253578511038.1433 } }, "kaala": "madhyahna", "days": [ { "local_date": "1961-12-18", "window": { "start": { "local": "1961-12-18T11:35:12+08:00", "utc": "1961-12-18T03:35:12Z", "ms": -253657487936.88544 }, "end": { "local": "1961-12-18T12:23:12+08:00", "utc": "1961-12-18T04:23:12Z", "ms": -253654607936.88544 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1961-12-19", "window": { "start": { "local": "1961-12-19T11:35:42+08:00", "utc": "1961-12-19T03:35:42Z", "ms": -253571058194.70514 }, "end": { "local": "1961-12-19T12:23:42+08:00", "utc": "1961-12-19T04:23:42Z", "ms": -253568178194.70514 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 10:34 on Mon 18 Dec to 09:31 on Tue 19 Dec.", "fact": "1961-12-18T02:33:53Z → 1961-12-19T01:31:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 18th, 11:36–12:24 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3679 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Fuzhou, 1961: Monday 18 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": "1961-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 1961 falls on Monday 18 December. Dvādaśī runs from 10:34 on Mon 18 Dec to 09:31 on Tue 19 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/pradosha-vrata?on=1961-12-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27798, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1961-12-19T09:31:29+08:00", "utc": "1961-12-19T01:31:29Z", "ms": -253578511038.1433 }, "end": { "local": "1961-12-20T08:49:10+08:00", "utc": "1961-12-20T00:49:10Z", "ms": -253494649557.81952 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-19T09:31:29+08:00", "utc": "1961-12-19T01:31:29Z", "ms": -253578511038.1433 }, "end": { "local": "1961-12-20T08:49:10+08:00", "utc": "1961-12-20T00:49:10Z", "ms": -253494649557.81952 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-12-19", "window": { "start": { "local": "1961-12-19T17:14:47+08:00", "utc": "1961-12-19T09:14:47Z", "ms": -253550713112.66547 }, "end": { "local": "1961-12-19T19:02:50+08:00", "utc": "1961-12-19T11:02:50Z", "ms": -253544230132.5612 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1961-12-20", "window": { "start": { "local": "1961-12-20T17:15:14+08:00", "utc": "1961-12-20T09:15:14Z", "ms": -253464285898.6887 }, "end": { "local": "1961-12-20T19:03:18+08:00", "utc": "1961-12-20T11:03:18Z", "ms": -253457802345.44135 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 09:31 on Tue 19 Dec to 08:49 on Wed 20 Dec.", "fact": "1961-12-19T01:31:29Z → 1961-12-20T00:49:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:03 on the 19th, 17:15–19:03 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 19th and 0 of 108 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 27798 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1961: Tuesday 19 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": "1961-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1961 falls on Tuesday 19 December. Trayodaśī runs from 09:31 on Tue 19 Dec to 08:49 on Wed 20 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/pradosha-vrata?on=1961-12-19", "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/1961/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30864, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1961-12-21T08:31:11+08:00", "utc": "1961-12-21T00:31:11Z", "ms": -253409328991.77243 }, "end": { "local": "1961-12-22T08:41:48+08:00", "utc": "1961-12-22T00:41:48Z", "ms": -253322291594.3241 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-21T08:31:11+08:00", "utc": "1961-12-21T00:31:11Z", "ms": -253409328991.77243 }, "end": { "local": "1961-12-22T08:41:48+08:00", "utc": "1961-12-22T00:41:48Z", "ms": -253322291594.3241 } }, "kaala": "pradosha", "days": [ { "local_date": "1961-12-21", "window": { "start": { "local": "1961-12-21T17:15:43+08:00", "utc": "1961-12-21T09:15:43Z", "ms": -253377857498.1802 }, "end": { "local": "1961-12-21T19:03:46+08:00", "utc": "1961-12-21T11:03:46Z", "ms": -253371373667.85532 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1961-12-22", "window": { "start": { "local": "1961-12-22T17:16:12+08:00", "utc": "1961-12-22T09:16:12Z", "ms": -253291427939.85254 }, "end": { "local": "1961-12-22T19:04:16+08:00", "utc": "1961-12-22T11:04:16Z", "ms": -253284944128.81107 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:31 on Thu 21 Dec to 08:42 on Fri 22 Dec.", "fact": "1961-12-21T00:31:11Z → 1961-12-22T00:41:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:04 on the 21st, 17:16–19:04 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 108 of 108 minutes on the 21st and 0 of 108 on the 22nd.", "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 30864 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Fuzhou, 1961: Thursday 21 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1961-12-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 1961 falls on Thursday 21 December. Pūrṇimā runs from 08:31 on Thu 21 Dec to 08:42 on Fri 22 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1961/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/1961/sankashta-chaturthi?on=1961-12-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1961, "local_date": "1961-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22805, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1961-12-25T12:31:22+08:00", "utc": "1961-12-25T04:31:22Z", "ms": -253049318455.62296 }, "end": { "local": "1961-12-26T14:49:35+08:00", "utc": "1961-12-26T06:49:35Z", "ms": -252954624561.6672 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1961-12-25T12:31:22+08:00", "utc": "1961-12-25T04:31:22Z", "ms": -253049318455.62296 }, "end": { "local": "1961-12-26T14:49:35+08:00", "utc": "1961-12-26T06:49:35Z", "ms": -252954624561.6672 } }, "kaala": "moonrise", "days": [ { "local_date": "1961-12-25", "window": { "start": { "local": "1961-12-25T20:17:51+08:00", "utc": "1961-12-25T12:17:51Z", "ms": -253021329252.81665 }, "end": { "local": "1961-12-25T20:17:51+08:00", "utc": "1961-12-25T12:17:51Z", "ms": -253021329252.81665 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1961-12-26", "window": { "start": { "local": "1961-12-26T21:09:40+08:00", "utc": "1961-12-26T13:09:40Z", "ms": -252931819547.37357 }, "end": { "local": "1961-12-26T21:09:40+08:00", "utc": "1961-12-26T13:09:40Z", "ms": -252931819547.37357 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:31 on Mon 25 Dec to 14:50 on Tue 26 Dec.", "fact": "1961-12-25T04:31:22Z → 1961-12-26T06:49:35Z" }, { "step": "kaala", "text": "Moonrise is at 20:18 on the 25th and 21:10 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 22805 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1961: Monday 25 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": "1961-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1961-12-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1961 falls on Monday 25 December. Caturthī runs from 12:31 on Mon 25 Dec to 14:50 on Tue 26 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1961/sankashta-chaturthi?on=1961-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }