{ "id": "/fuzhou/festivals/1966", "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": 1966, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/fuzhou/festivals/1966/ekadashi?on=1966-01-03", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25972, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-01-02T23:37:55+08:00", "utc": "1966-01-02T15:37:55Z", "ms": -126087724946.94543 }, "end": { "local": "1966-01-03T22:57:53+08:00", "utc": "1966-01-03T14:57:53Z", "ms": -126003727278.65991 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-01-02T23:37:55+08:00", "utc": "1966-01-02T15:37:55Z", "ms": -126087724946.94543 }, "end": { "local": "1966-01-03T22:57:53+08:00", "utc": "1966-01-03T14:57:53Z", "ms": -126003727278.65991 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-01-03", "window": { "start": { "local": "1966-01-03T06:50:47+08:00", "utc": "1966-01-02T22:50:47Z", "ms": -126061753399.73344 }, "end": { "local": "1966-01-03T06:50:47+08:00", "utc": "1966-01-02T22:50:47Z", "ms": -126061753399.73344 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-01-04", "window": { "start": { "local": "1966-01-04T06:51:01+08:00", "utc": "1966-01-03T22:51:01Z", "ms": -125975339127.25038 }, "end": { "local": "1966-01-04T06:51:01+08:00", "utc": "1966-01-03T22:51:01Z", "ms": -125975339127.25038 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:38 on Sun 2 Jan to 22:58 on Mon 3 Jan.", "fact": "1966-01-02T15:37:55Z → 1966-01-03T14:57:53Z" }, { "step": "kaala", "text": "Sunrise is at 06:51 on the 3rd and 06:51 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 25972 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 1966: Monday 3 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 1966 falls on Monday 3 January. Ekādaśī runs from 23:38 on Sun 2 Jan to 22:58 on Mon 3 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-01-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/pradosha-vrata?on=1966-01-05", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 324, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-01-04T21:29:30+08:00", "utc": "1966-01-04T13:29:30Z", "ms": -125922629568.69852 }, "end": { "local": "1966-01-05T19:17:46+08:00", "utc": "1966-01-05T11:17:46Z", "ms": -125844133894.35042 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-01-04T21:29:30+08:00", "utc": "1966-01-04T13:29:30Z", "ms": -125922629568.69852 }, "end": { "local": "1966-01-05T19:17:46+08:00", "utc": "1966-01-05T11:17:46Z", "ms": -125844133894.35042 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-01-04", "window": { "start": { "local": "1966-01-04T17:24:07+08:00", "utc": "1966-01-04T09:24:07Z", "ms": -125937352858.4488 }, "end": { "local": "1966-01-04T19:11:44+08:00", "utc": "1966-01-04T11:11:44Z", "ms": -125930895981.98108 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1966-01-05", "window": { "start": { "local": "1966-01-05T17:24:49+08:00", "utc": "1966-01-05T09:24:49Z", "ms": -125850910939.41582 }, "end": { "local": "1966-01-05T19:12:22+08:00", "utc": "1966-01-05T11:12:22Z", "ms": -125844458132.19516 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:30 on Tue 4 Jan to 19:18 on Wed 5 Jan.", "fact": "1966-01-04T13:29:30Z → 1966-01-05T11:17:46Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:24–19:12 on the 4th, 17:25–19:12 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 4th and 108 of 108 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 324 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Wednesday 5 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Wednesday 5 January. Trayodaśī runs from 21:30 on Tue 4 Jan to 19:18 on Wed 5 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-01-05", "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/1966/sankashta-chaturthi?on=1966-01-10", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8689, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-01-10T02:39:24+08:00", "utc": "1966-01-09T18:39:24Z", "ms": -125472036081.49301 }, "end": { "local": "1966-01-10T23:24:17+08:00", "utc": "1966-01-10T15:24:17Z", "ms": -125397342797.75803 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-10T02:39:24+08:00", "utc": "1966-01-09T18:39:24Z", "ms": -125472036081.49301 }, "end": { "local": "1966-01-10T23:24:17+08:00", "utc": "1966-01-10T15:24:17Z", "ms": -125397342797.75803 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-01-09", "window": { "start": { "local": "1966-01-09T19:50:58+08:00", "utc": "1966-01-09T11:50:58Z", "ms": -125496541724.0405 }, "end": { "local": "1966-01-09T19:50:58+08:00", "utc": "1966-01-09T11:50:58Z", "ms": -125496541724.0405 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-01-10", "window": { "start": { "local": "1966-01-10T20:59:28+08:00", "utc": "1966-01-10T12:59:28Z", "ms": -125406031613.02985 }, "end": { "local": "1966-01-10T20:59:28+08:00", "utc": "1966-01-10T12:59:28Z", "ms": -125406031613.02985 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:39 on Mon 10 Jan to 23:24 on Mon 10 Jan.", "fact": "1966-01-09T18:39:24Z → 1966-01-10T15:24:17Z" }, { "step": "kaala", "text": "Moonrise is at 19:51 on the 9th and 20:59 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8689 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Monday 10 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": "1966-01-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Monday 10 January. Caturthī runs from 02:39 on Mon 10 Jan to 23:24 on Mon 10 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-01-10", "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/1966/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33221, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-02-12T21:18:56+08:00", "utc": "1966-02-12T13:18:56Z", "ms": -122553663718.50899 } }, "span": { "of": "transit", "start": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 } }, "kaala": "sunset-day", "days": [ { "local_date": "1966-01-14", "window": { "start": { "local": "1966-01-13T17:30:42+08:00", "utc": "1966-01-13T09:30:42Z", "ms": -125159358173.0554 }, "end": { "local": "1966-01-14T17:31:28+08:00", "utc": "1966-01-14T09:31:28Z", "ms": -125072912429.9494 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1966-01-15", "window": { "start": { "local": "1966-01-14T17:31:28+08:00", "utc": "1966-01-14T09:31:28Z", "ms": -125072912429.9494 }, "end": { "local": "1966-01-15T17:32:14+08:00", "utc": "1966-01-15T09:32:14Z", "ms": -124986466443.32062 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1966-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:18 on Fri 14 Jan.", "fact": "1966-01-14T00:17:47Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 33221 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Fuzhou, 1966: Thursday 13 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "bhogi", "follows": { "festival": "pongal", "days": -1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1966-01-13", "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": "1966-01-13", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Fuzhou, Bhogi 1966 falls on Thursday 13 January. It is kept the day before Pongal, which falls on Friday 14 January. The Sun enters Makara at 08:18 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33221, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-02-12T21:18:56+08:00", "utc": "1966-02-12T13:18:56Z", "ms": -122553663718.50899 } }, "span": { "of": "transit", "start": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 } }, "kaala": "sunset-day", "days": [ { "local_date": "1966-01-14", "window": { "start": { "local": "1966-01-13T17:30:42+08:00", "utc": "1966-01-13T09:30:42Z", "ms": -125159358173.0554 }, "end": { "local": "1966-01-14T17:31:28+08:00", "utc": "1966-01-14T09:31:28Z", "ms": -125072912429.9494 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1966-01-15", "window": { "start": { "local": "1966-01-14T17:31:28+08:00", "utc": "1966-01-14T09:31:28Z", "ms": -125072912429.9494 }, "end": { "local": "1966-01-15T17:32:14+08:00", "utc": "1966-01-15T09:32:14Z", "ms": -124986466443.32062 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:18 on Fri 14 Jan.", "fact": "1966-01-14T00:17:47Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 33221 s" }, { "step": "ruling", "text": "Pongal, Fuzhou, 1966: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "pongal", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.", "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1966-01-14", "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": "1966-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Fuzhou, Pongal 1966 falls on Friday 14 January. The Sun enters Makara at 08:18 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29867, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-02-12T21:18:56+08:00", "utc": "1966-02-12T13:18:56Z", "ms": -122553663718.50899 } }, "span": { "of": "transit", "start": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 } }, "kaala": "civil-day", "days": [ { "local_date": "1966-01-13", "window": { "start": { "local": "1966-01-13T00:00:00+08:00", "utc": "1966-01-12T16:00:00Z", "ms": -125222400000 }, "end": { "local": "1966-01-14T00:00:00+08:00", "utc": "1966-01-13T16:00:00Z", "ms": -125136000000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1966-01-14", "window": { "start": { "local": "1966-01-14T00:00:00+08:00", "utc": "1966-01-13T16:00:00Z", "ms": -125136000000 }, "end": { "local": "1966-01-15T00:00:00+08:00", "utc": "1966-01-14T16:00:00Z", "ms": -125049600000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:18 on Fri 14 Jan.", "fact": "1966-01-14T00:17:47Z · 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 29867 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Fuzhou, 1966: Friday 14 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "makara-sankranti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "rashi": "Makara", "day_from": "midnight" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1966-01-14", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1966-01-14", "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 1966 falls on Friday 14 January. The Sun enters Makara at 08:18 on Fri 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33221, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-02-12T21:18:56+08:00", "utc": "1966-02-12T13:18:56Z", "ms": -122553663718.50899 } }, "span": { "of": "transit", "start": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 }, "end": { "local": "1966-01-14T08:17:47+08:00", "utc": "1966-01-14T00:17:47Z", "ms": -125106132976.4199 } }, "kaala": "sunset-day", "days": [ { "local_date": "1966-01-14", "window": { "start": { "local": "1966-01-13T17:30:42+08:00", "utc": "1966-01-13T09:30:42Z", "ms": -125159358173.0554 }, "end": { "local": "1966-01-14T17:31:28+08:00", "utc": "1966-01-14T09:31:28Z", "ms": -125072912429.9494 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1966-01-15", "window": { "start": { "local": "1966-01-14T17:31:28+08:00", "utc": "1966-01-14T09:31:28Z", "ms": -125072912429.9494 }, "end": { "local": "1966-01-15T17:32:14+08:00", "utc": "1966-01-15T09:32:14Z", "ms": -124986466443.32062 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1966-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:18 on Fri 14 Jan.", "fact": "1966-01-14T00:17:47Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:31, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106" }, { "step": "tie_break", "text": "An instant falls in one day and no other. No tie-break is needed.", "fact": "day counted from sunset → only-day · margin 33221 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Friday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Fuzhou, 1966: Saturday 15 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "mattu-pongal", "follows": { "festival": "pongal", "days": 1 }, "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)." }, { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day." } ], "rashi": "Makara", "day_from": "sunset" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1966-01-15", "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": "1966-01-15", "statement": "Counted from sunrise (the Orissa rule)", "reference": { "text": "Calendar Reform Committee 1955, Rules of Samkranti", "locator": "p. 244", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight." } } ], "quote": "In Fuzhou, Mattu Pongal 1966 falls on Saturday 15 January. It is kept the day after Pongal, which falls on Friday 14 January. The Sun enters Makara at 08:18 on Fri 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-01-17", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31317, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-01-16T15:33:55+08:00", "utc": "1966-01-16T07:33:55Z", "ms": -124907164699.964 }, "end": { "local": "1966-01-17T16:26:14+08:00", "utc": "1966-01-17T08:26:14Z", "ms": -124817625677.35483 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-16T15:33:55+08:00", "utc": "1966-01-16T07:33:55Z", "ms": -124907164699.964 }, "end": { "local": "1966-01-17T16:26:14+08:00", "utc": "1966-01-17T08:26:14Z", "ms": -124817625677.35483 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-01-16", "window": { "start": { "local": "1966-01-16T06:51:58+08:00", "utc": "1966-01-15T22:51:58Z", "ms": -124938481845.05212 }, "end": { "local": "1966-01-16T06:51:58+08:00", "utc": "1966-01-15T22:51:58Z", "ms": -124938481845.05212 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-01-17", "window": { "start": { "local": "1966-01-17T06:51:53+08:00", "utc": "1966-01-16T22:51:53Z", "ms": -124852086742.66931 }, "end": { "local": "1966-01-17T06:51:53+08:00", "utc": "1966-01-16T22:51:53Z", "ms": -124852086742.66931 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 15:34 on Sun 16 Jan to 16:26 on Mon 17 Jan.", "fact": "1966-01-16T07:33:55Z → 1966-01-17T08:26:14Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 16th and 06:52 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31317 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 1966: Monday 17 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": "1966-01-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 1966 falls on Monday 17 January. Ekādaśī runs from 15:34 on Sun 16 Jan to 16:26 on Mon 17 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-01-17", "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/1966/pradosha-vrata?on=1966-01-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-19", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 512, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-01-18T17:46:46+08:00", "utc": "1966-01-18T09:46:46Z", "ms": -124726393935.24532 }, "end": { "local": "1966-01-19T19:30:01+08:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-18T17:46:46+08:00", "utc": "1966-01-18T09:46:46Z", "ms": -124726393935.24532 }, "end": { "local": "1966-01-19T19:30:01+08:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-01-18", "window": { "start": { "local": "1966-01-18T17:34:33+08:00", "utc": "1966-01-18T09:34:33Z", "ms": -124727127409.14052 }, "end": { "local": "1966-01-18T19:20:49+08:00", "utc": "1966-01-18T11:20:49Z", "ms": -124720750560.91475 } }, "covered_min": 94, "window_min": 106, "qualifies": true }, { "local_date": "1966-01-19", "window": { "start": { "local": "1966-01-19T17:35:19+08:00", "utc": "1966-01-19T09:35:19Z", "ms": -124640680834.59406 }, "end": { "local": "1966-01-19T19:21:29+08:00", "utc": "1966-01-19T11:21:29Z", "ms": -124634311450.60617 } }, "covered_min": 106, "window_min": 106, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:47 on Tue 18 Jan to 19:30 on Wed 19 Jan.", "fact": "1966-01-18T09:46:46Z → 1966-01-19T11:30:01Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:21 on the 18th, 17:35–19:21 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 106 minutes on the 18th and 106 of 106 on the 19th.", "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 512 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Wednesday 19 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": "1966-01-19", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-18", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Wednesday 19 January. Trayodaśī runs from 17:47 on Tue 18 Jan to 19:30 on Wed 19 Jan and covers all of pradoṣa that evening. It also reaches the previous evening for 94 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/1966/pradosha-vrata?on=1966-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/shivaratri?on=1966-01-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8314, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-01-19T19:30:01+08:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "end": { "local": "1966-01-20T21:31:09+08:00", "utc": "1966-01-20T13:31:09Z", "ms": -124540131376.57777 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-19T19:30:01+08:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "end": { "local": "1966-01-20T21:31:09+08:00", "utc": "1966-01-20T13:31:09Z", "ms": -124540131376.57777 } }, "kaala": "nishita", "days": [ { "local_date": "1966-01-19", "window": { "start": { "local": "1966-01-19T23:49:24+08:00", "utc": "1966-01-19T15:49:24Z", "ms": -124618235644.6395 }, "end": { "local": "1966-01-20T00:37:24+08:00", "utc": "1966-01-19T16:37:24Z", "ms": -124615355644.6395 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-01-20", "window": { "start": { "local": "1966-01-20T23:49:42+08:00", "utc": "1966-01-20T15:49:42Z", "ms": -124531817785.63315 }, "end": { "local": "1966-01-21T00:37:42+08:00", "utc": "1966-01-20T16:37:42Z", "ms": -124528937785.63315 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:30 on Wed 19 Jan to 21:31 on Thu 20 Jan.", "fact": "1966-01-19T11:30:01Z → 1966-01-20T13:31:09Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 19th, 23:50–00:38 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8314 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Wednesday 19 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": "1966-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Wednesday 19 January. Caturdaśī runs from 19:30 on Wed 19 Jan to 21:31 on Thu 20 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-01-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27248, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-01-19T19:30:01+08:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "end": { "local": "1966-01-20T21:31:09+08:00", "utc": "1966-01-20T13:31:09Z", "ms": -124540131376.57777 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-19T19:30:01+08:00", "utc": "1966-01-19T11:30:01Z", "ms": -124633798961.35216 }, "end": { "local": "1966-01-20T21:31:09+08:00", "utc": "1966-01-20T13:31:09Z", "ms": -124540131376.57777 } }, "kaala": "arunodaya", "days": [ { "local_date": "1966-01-20", "window": { "start": { "local": "1966-01-20T05:05:20+08:00", "utc": "1966-01-19T21:05:20Z", "ms": -124599279838.67282 }, "end": { "local": "1966-01-20T06:51:30+08:00", "utc": "1966-01-19T22:51:30Z", "ms": -124592910454.68494 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1966-01-21", "window": { "start": { "local": "1966-01-21T05:05:17+08:00", "utc": "1966-01-20T21:05:17Z", "ms": -124512883075.87892 }, "end": { "local": "1966-01-21T06:51:19+08:00", "utc": "1966-01-20T22:51:19Z", "ms": -124506521363.24103 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:30 on Wed 19 Jan to 21:31 on Thu 20 Jan.", "fact": "1966-01-19T11:30:01Z → 1966-01-20T13:31:09Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:05–06:51 on the 20th, 05:05–06:51 on the 21st.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 106 of 106 minutes on the 20th and 0 of 106 on the 21st.", "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 27248 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Fuzhou, 1966: Thursday 20 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": "1966-01-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Tarpaṇa 1966 falls on Thursday 20 January. Caturdaśī runs from 19:30 on Wed 19 Jan to 21:31 on Thu 20 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7398, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-01-25T07:18:04+08:00", "utc": "1966-01-24T23:18:04Z", "ms": -124159315871.28584 }, "end": { "local": "1966-01-26T09:48:05+08:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-25T07:18:04+08:00", "utc": "1966-01-24T23:18:04Z", "ms": -124159315871.28584 }, "end": { "local": "1966-01-26T09:48:05+08:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-01-25", "window": { "start": { "local": "1966-01-25T11:51:09+08:00", "utc": "1966-01-25T03:51:09Z", "ms": -124142930732.21167 }, "end": { "local": "1966-01-25T12:39:09+08:00", "utc": "1966-01-25T04:39:09Z", "ms": -124140050732.21167 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-01-26", "window": { "start": { "local": "1966-01-26T11:51:23+08:00", "utc": "1966-01-26T03:51:23Z", "ms": -124056516797.2344 }, "end": { "local": "1966-01-26T12:39:23+08:00", "utc": "1966-01-26T04:39:23Z", "ms": -124053636797.2344 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:18 on Tue 25 Jan to 09:48 on Wed 26 Jan.", "fact": "1966-01-24T23:18:04Z → 1966-01-26T01:48:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 25th, 11:51–12:39 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 7398 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Fuzhou, 1966: Tuesday 25 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": "1966-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1966 falls on Tuesday 25 January. Caturthī runs from 07:18 on Tue 25 Jan to 09:48 on Wed 26 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28360, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-01-25T07:18:04+08:00", "utc": "1966-01-24T23:18:04Z", "ms": -124159315871.28584 }, "end": { "local": "1966-01-26T09:48:05+08:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-25T07:18:04+08:00", "utc": "1966-01-24T23:18:04Z", "ms": -124159315871.28584 }, "end": { "local": "1966-01-26T09:48:05+08:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-01-25", "window": { "start": { "local": "1966-01-25T17:39:58+08:00", "utc": "1966-01-25T09:39:58Z", "ms": -124122001532.44656 }, "end": { "local": "1966-01-25T19:25:19+08:00", "utc": "1966-01-25T11:25:19Z", "ms": -124115681098.24446 } }, "covered_min": 105, "window_min": 105, "qualifies": true }, { "local_date": "1966-01-26", "window": { "start": { "local": "1966-01-26T17:40:45+08:00", "utc": "1966-01-26T09:40:45Z", "ms": -124035555318.53801 }, "end": { "local": "1966-01-26T19:25:56+08:00", "utc": "1966-01-26T11:25:56Z", "ms": -124029243687.09927 } }, "covered_min": 0, "window_min": 105, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:18 on Tue 25 Jan to 09:48 on Wed 26 Jan.", "fact": "1966-01-24T23:18:04Z → 1966-01-26T01:48:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:25 on the 25th, 17:41–19:26 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 105 of 105 minutes on the 25th and 0 of 105 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 28360 s" }, { "step": "ruling", "text": "Tila Caturthī, Fuzhou, 1966: Tuesday 25 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": "1966-01-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Tila Caturthī 1966 falls on Tuesday 25 January. Caturthī runs from 07:18 on Tue 25 Jan to 09:48 on Wed 26 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 831, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-01-26T09:48:05+08:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "end": { "local": "1966-01-27T12:05:27+08:00", "utc": "1966-01-27T04:05:27Z", "ms": -123969273057.44913 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-26T09:48:05+08:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "end": { "local": "1966-01-27T12:05:27+08:00", "utc": "1966-01-27T04:05:27Z", "ms": -123969273057.44913 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-01-26", "window": { "start": { "local": "1966-01-26T11:51:23+08:00", "utc": "1966-01-26T03:51:23Z", "ms": -124056516797.2344 }, "end": { "local": "1966-01-26T12:39:23+08:00", "utc": "1966-01-26T04:39:23Z", "ms": -124053636797.2344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-01-27", "window": { "start": { "local": "1966-01-27T11:51:36+08:00", "utc": "1966-01-27T03:51:36Z", "ms": -123970103682.15256 }, "end": { "local": "1966-01-27T12:39:36+08:00", "utc": "1966-01-27T04:39:36Z", "ms": -123967223682.15256 } }, "covered_min": 14, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:48 on Wed 26 Jan to 12:05 on Thu 27 Jan.", "fact": "1966-01-26T01:48:05Z → 1966-01-27T04:05:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 26th, 11:52–12:40 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 14 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 831 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Fuzhou, 1966: Wednesday 26 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": "1966-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Pañcamī 1966 falls on Wednesday 26 January. Pañcamī runs from 09:48 on Wed 26 Jan to 12:05 on Thu 27 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 14 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-26", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 831, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-01-26T09:48:05+08:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "end": { "local": "1966-01-27T12:05:27+08:00", "utc": "1966-01-27T04:05:27Z", "ms": -123969273057.44913 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-26T09:48:05+08:00", "utc": "1966-01-26T01:48:05Z", "ms": -124063914964.27403 }, "end": { "local": "1966-01-27T12:05:27+08:00", "utc": "1966-01-27T04:05:27Z", "ms": -123969273057.44913 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-01-26", "window": { "start": { "local": "1966-01-26T11:51:23+08:00", "utc": "1966-01-26T03:51:23Z", "ms": -124056516797.2344 }, "end": { "local": "1966-01-26T12:39:23+08:00", "utc": "1966-01-26T04:39:23Z", "ms": -124053636797.2344 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-01-27", "window": { "start": { "local": "1966-01-27T11:51:36+08:00", "utc": "1966-01-27T03:51:36Z", "ms": -123970103682.15256 }, "end": { "local": "1966-01-27T12:39:36+08:00", "utc": "1966-01-27T04:39:36Z", "ms": -123967223682.15256 } }, "covered_min": 14, "window_min": 48, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 09:48 on Wed 26 Jan to 12:05 on Thu 27 Jan.", "fact": "1966-01-26T01:48:05Z → 1966-01-27T04:05:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 26th, 11:52–12:40 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 14 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "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 831 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Fuzhou, 1966: Wednesday 26 January.", "fact": "confidence: boundary (tie-break-unstated)" } ], "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": "1966-01-26", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-26", "confidence": "boundary" } ], "quote": "In Fuzhou, Vasanta Pañcamī 1966 falls on Wednesday 26 January. Pañcamī runs from 09:48 on Wed 26 Jan to 12:05 on Thu 27 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 14 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/1966/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/1966/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-01-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25857, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-01-28T14:00:17+08:00", "utc": "1966-01-28T06:00:17Z", "ms": -123875982509.47498 }, "end": { "local": "1966-01-29T15:22:23+08:00", "utc": "1966-01-29T07:22:23Z", "ms": -123784657133.81366 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-01-28T14:00:17+08:00", "utc": "1966-01-28T06:00:17Z", "ms": -123875982509.47498 }, "end": { "local": "1966-01-29T15:22:23+08:00", "utc": "1966-01-29T07:22:23Z", "ms": -123784657133.81366 } }, "kaala": "arunodaya", "days": [ { "local_date": "1966-01-28", "window": { "start": { "local": "1966-01-28T05:04:18+08:00", "utc": "1966-01-27T21:04:18Z", "ms": -123908141999.64793 }, "end": { "local": "1966-01-28T06:49:21+08:00", "utc": "1966-01-27T22:49:21Z", "ms": -123901839340.89261 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1966-01-29", "window": { "start": { "local": "1966-01-29T05:04:04+08:00", "utc": "1966-01-28T21:04:04Z", "ms": -123821755558.79198 }, "end": { "local": "1966-01-29T06:48:58+08:00", "utc": "1966-01-28T22:48:58Z", "ms": -123815462037.32375 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 14:00 on Fri 28 Jan to 15:22 on Sat 29 Jan.", "fact": "1966-01-28T06:00:17Z → 1966-01-29T07:22:23Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:04–06:49 on the 28th, 05:04–06:49 on the 29th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during aruṇodaya. It covers 0 of 105 minutes on the 28th and 105 of 105 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25857 s" }, { "step": "ruling", "text": "Ratha Saptamī, Fuzhou, 1966: Saturday 29 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-01-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-01-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Ratha Saptamī 1966 falls on Saturday 29 January. Saptamī runs from 14:00 on Fri 28 Jan to 15:22 on Sat 29 Jan and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-02-02", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22877, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-02-01T14:56:25+08:00", "utc": "1966-02-01T06:56:25Z", "ms": -123527014586.15225 }, "end": { "local": "1966-02-02T13:08:30+08:00", "utc": "1966-02-02T05:08:30Z", "ms": -123447090326.72623 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-02-01T14:56:25+08:00", "utc": "1966-02-01T06:56:25Z", "ms": -123527014586.15225 }, "end": { "local": "1966-02-02T13:08:30+08:00", "utc": "1966-02-02T05:08:30Z", "ms": -123447090326.72623 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-02-01", "window": { "start": { "local": "1966-02-01T06:47:41+08:00", "utc": "1966-01-31T22:47:41Z", "ms": -123556338602.67474 }, "end": { "local": "1966-02-01T06:47:41+08:00", "utc": "1966-01-31T22:47:41Z", "ms": -123556338602.67474 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-02-02", "window": { "start": { "local": "1966-02-02T06:47:13+08:00", "utc": "1966-02-01T22:47:13Z", "ms": -123469966890.36372 }, "end": { "local": "1966-02-02T06:47:13+08:00", "utc": "1966-02-01T22:47:13Z", "ms": -123469966890.36372 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:56 on Tue 1 Feb to 13:08 on Wed 2 Feb.", "fact": "1966-02-01T06:56:25Z → 1966-02-02T05:08:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:48 on the 1st and 06:47 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22877 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Fuzhou, 1966: Wednesday 2 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Jayā Ekādaśī 1966 falls on Wednesday 2 February. Ekādaśī runs from 14:56 on Tue 1 Feb to 13:08 on Wed 2 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-02-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1672, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-02-02T13:08:30+08:00", "utc": "1966-02-02T05:08:30Z", "ms": -123447090326.72623 }, "end": { "local": "1966-02-03T10:36:00+08:00", "utc": "1966-02-03T02:36:00Z", "ms": -123369839578.48306 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-02-02T13:08:30+08:00", "utc": "1966-02-02T05:08:30Z", "ms": -123447090326.72623 }, "end": { "local": "1966-02-03T10:36:00+08:00", "utc": "1966-02-03T02:36:00Z", "ms": -123369839578.48306 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-02-02", "window": { "start": { "local": "1966-02-02T11:52:37+08:00", "utc": "1966-02-02T03:52:37Z", "ms": -123451642523.05771 }, "end": { "local": "1966-02-02T12:40:37+08:00", "utc": "1966-02-02T04:40:37Z", "ms": -123448762523.05771 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-02-03", "window": { "start": { "local": "1966-02-03T11:52:45+08:00", "utc": "1966-02-03T03:52:45Z", "ms": -123365235267.31783 }, "end": { "local": "1966-02-03T12:40:45+08:00", "utc": "1966-02-03T04:40:45Z", "ms": -123362355267.31783 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:08 on Wed 2 Feb to 10:36 on Thu 3 Feb.", "fact": "1966-02-02T05:08:30Z → 1966-02-03T02:36:00Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 2nd, 11:53–12:41 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 1672 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Fuzhou, 1966: Thursday 3 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhishma-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhīṣma Dvādaśī 1966 falls on Thursday 3 February. Dvādaśī runs from 13:08 on Wed 2 Feb to 10:36 on Thu 3 Feb, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pradosha-vrata?on=1966-02-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25846, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-02-03T10:36:00+08:00", "utc": "1966-02-03T02:36:00Z", "ms": -123369839578.48306 }, "end": { "local": "1966-02-04T07:26:41+08:00", "utc": "1966-02-03T23:26:41Z", "ms": -123294798941.57837 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-02-03T10:36:00+08:00", "utc": "1966-02-03T02:36:00Z", "ms": -123369839578.48306 }, "end": { "local": "1966-02-04T07:26:41+08:00", "utc": "1966-02-03T23:26:41Z", "ms": -123294798941.57837 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-02-03", "window": { "start": { "local": "1966-02-03T17:46:46+08:00", "utc": "1966-02-03T09:46:46Z", "ms": -123343994007.6858 }, "end": { "local": "1966-02-03T19:30:42+08:00", "utc": "1966-02-03T11:30:42Z", "ms": -123337758471.9273 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1966-02-04", "window": { "start": { "local": "1966-02-04T17:47:30+08:00", "utc": "1966-02-04T09:47:30Z", "ms": -123257550197.68236 }, "end": { "local": "1966-02-04T19:31:15+08:00", "utc": "1966-02-04T11:31:15Z", "ms": -123251324805.15508 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:36 on Thu 3 Feb to 07:27 on Fri 4 Feb.", "fact": "1966-02-03T02:36:00Z → 1966-02-03T23:26:41Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:31 on the 3rd, 17:47–19:31 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 3rd and 0 of 104 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25846 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Thursday 3 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": "1966-02-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Thursday 3 February. Trayodaśī runs from 10:36 on Thu 3 Feb to 07:27 on Fri 4 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-02-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28959, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-02-05T03:50:17+08:00", "utc": "1966-02-04T19:50:17Z", "ms": -123221382668.32918 }, "end": { "local": "1966-02-05T23:57:53+08:00", "utc": "1966-02-05T15:57:53Z", "ms": -123148927268.66998 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1966-02-05T03:50:17+08:00", "utc": "1966-02-04T19:50:17Z", "ms": -123221382668.32918 }, "end": { "local": "1966-02-05T23:57:53+08:00", "utc": "1966-02-05T15:57:53Z", "ms": -123148927268.66998 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-02-05", "window": { "start": { "local": "1966-02-05T11:52:57+08:00", "utc": "1966-02-05T03:52:57Z", "ms": -123192423244.5881 }, "end": { "local": "1966-02-05T12:40:57+08:00", "utc": "1966-02-05T04:40:57Z", "ms": -123189543244.5881 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-02-06", "window": { "start": { "local": "1966-02-06T11:53:02+08:00", "utc": "1966-02-06T03:53:02Z", "ms": -123106018461.35013 }, "end": { "local": "1966-02-06T12:41:02+08:00", "utc": "1966-02-06T04:41:02Z", "ms": -123103138461.35013 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:50 on Sat 5 Feb to 23:58 on Sat 5 Feb.", "fact": "1966-02-04T19:50:17Z → 1966-02-05T15:57:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 5th, 11:53–12:41 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28959 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Fuzhou, 1966: Saturday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maghi-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Maghi purnima (paraviddha)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Māghī Pūrṇimā 1966 falls on Saturday 5 February. Pūrṇimā runs from 03:50 on Sat 5 Feb to 23:58 on Sat 5 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-02-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29356, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-02-08T12:42:09+08:00", "utc": "1966-02-08T04:42:09Z", "ms": -122930271113.44429 }, "end": { "local": "1966-02-09T09:41:57+08:00", "utc": "1966-02-09T01:41:57Z", "ms": -122854683082.80098 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-08T12:42:09+08:00", "utc": "1966-02-08T04:42:09Z", "ms": -122930271113.44429 }, "end": { "local": "1966-02-09T09:41:57+08:00", "utc": "1966-02-09T01:41:57Z", "ms": -122854683082.80098 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-02-08", "window": { "start": { "local": "1966-02-08T20:51:25+08:00", "utc": "1966-02-08T12:51:25Z", "ms": -122900915113.71748 }, "end": { "local": "1966-02-08T20:51:25+08:00", "utc": "1966-02-08T12:51:25Z", "ms": -122900915113.71748 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-02-09", "window": { "start": { "local": "1966-02-09T21:54:48+08:00", "utc": "1966-02-09T13:54:48Z", "ms": -122810712468.8334 }, "end": { "local": "1966-02-09T21:54:48+08:00", "utc": "1966-02-09T13:54:48Z", "ms": -122810712468.8334 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:42 on Tue 8 Feb to 09:42 on Wed 9 Feb.", "fact": "1966-02-08T04:42:09Z → 1966-02-09T01:41:57Z" }, { "step": "kaala", "text": "Moonrise is at 20:51 on the 8th and 21:55 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29356 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Tuesday 8 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": "1966-02-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Tuesday 8 February. Caturthī runs from 12:42 on Tue 8 Feb to 09:42 on Wed 9 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-02-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/ekadashi?on=1966-02-16", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1941, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-02-15T07:11:33+08:00", "utc": "1966-02-14T23:11:33Z", "ms": -122345307117.79247 }, "end": { "local": "1966-02-16T09:05:47+08:00", "utc": "1966-02-16T01:05:47Z", "ms": -122252053464.37408 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-15T07:11:33+08:00", "utc": "1966-02-14T23:11:33Z", "ms": -122345307117.79247 }, "end": { "local": "1966-02-16T09:05:47+08:00", "utc": "1966-02-16T01:05:47Z", "ms": -122252053464.37408 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-02-15", "window": { "start": { "local": "1966-02-15T06:39:12+08:00", "utc": "1966-02-14T22:39:12Z", "ms": -122347248399.6034 }, "end": { "local": "1966-02-15T06:39:12+08:00", "utc": "1966-02-14T22:39:12Z", "ms": -122347248399.6034 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-02-16", "window": { "start": { "local": "1966-02-16T06:38:27+08:00", "utc": "1966-02-15T22:38:27Z", "ms": -122260893320.63393 }, "end": { "local": "1966-02-16T06:38:27+08:00", "utc": "1966-02-15T22:38:27Z", "ms": -122260893320.63393 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:12 on Tue 15 Feb to 09:06 on Wed 16 Feb.", "fact": "1966-02-14T23:11:33Z → 1966-02-16T01:05:47Z" }, { "step": "kaala", "text": "Sunrise is at 06:39 on the 15th and 06:38 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1941 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Fuzhou, 1966: Wednesday 16 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": "1966-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Ekādaśī 1966 falls on Wednesday 16 February. Ekādaśī runs from 07:12 on Tue 15 Feb to 09:06 on Wed 16 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-02-16", "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/1966/pradosha-vrata?on=1966-02-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15058, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-02-17T11:20:02+08:00", "utc": "1966-02-17T03:20:02Z", "ms": -122157597754.22672 }, "end": { "local": "1966-02-18T13:46:06+08:00", "utc": "1966-02-18T05:46:06Z", "ms": -122062434036.5399 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-17T11:20:02+08:00", "utc": "1966-02-17T03:20:02Z", "ms": -122157597754.22672 }, "end": { "local": "1966-02-18T13:46:06+08:00", "utc": "1966-02-18T05:46:06Z", "ms": -122062434036.5399 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-02-17", "window": { "start": { "local": "1966-02-17T17:56:26+08:00", "utc": "1966-02-17T09:56:26Z", "ms": -122133814330.9716 }, "end": { "local": "1966-02-17T19:37:49+08:00", "utc": "1966-02-17T11:37:49Z", "ms": -122127730574.44112 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1966-02-18", "window": { "start": { "local": "1966-02-18T17:57:04+08:00", "utc": "1966-02-18T09:57:04Z", "ms": -122047375886.28374 }, "end": { "local": "1966-02-18T19:38:16+08:00", "utc": "1966-02-18T11:38:16Z", "ms": -122041303638.15211 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:20 on Thu 17 Feb to 13:46 on Fri 18 Feb.", "fact": "1966-02-17T03:20:02Z → 1966-02-18T05:46:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:38 on the 17th, 17:57–19:38 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 101 of 101 minutes on the 17th and 0 of 101 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15058 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Thursday 17 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": "1966-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Thursday 17 February. Trayodaśī runs from 11:20 on Thu 17 Feb to 13:46 on Fri 18 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-02-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27306, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-02-18T13:46:06+08:00", "utc": "1966-02-18T05:46:06Z", "ms": -122062434036.5399 }, "end": { "local": "1966-02-19T16:17:23+08:00", "utc": "1966-02-19T08:17:23Z", "ms": -121966956692.73174 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-18T13:46:06+08:00", "utc": "1966-02-18T05:46:06Z", "ms": -122062434036.5399 }, "end": { "local": "1966-02-19T16:17:23+08:00", "utc": "1966-02-19T08:17:23Z", "ms": -121966956692.73174 } }, "kaala": "nishita", "days": [ { "local_date": "1966-02-18", "window": { "start": { "local": "1966-02-18T23:52:35+08:00", "utc": "1966-02-18T15:52:35Z", "ms": -122026044955.79013 }, "end": { "local": "1966-02-19T00:40:35+08:00", "utc": "1966-02-18T16:40:35Z", "ms": -122023164955.79013 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-02-19", "window": { "start": { "local": "1966-02-19T23:52:30+08:00", "utc": "1966-02-19T15:52:30Z", "ms": -121939650345.19629 }, "end": { "local": "1966-02-20T00:40:30+08:00", "utc": "1966-02-19T16:40:30Z", "ms": -121936770345.19629 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:46 on Fri 18 Feb to 16:17 on Sat 19 Feb.", "fact": "1966-02-18T05:46:06Z → 1966-02-19T08:17:23Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 18th, 23:52–00:40 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 27306 s" }, { "step": "ruling", "text": "Mahāśivarātri, Fuzhou, 1966: Friday 18 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": "1966-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāśivarātri 1966 falls on Friday 18 February. Caturdaśī runs from 13:46 on Fri 18 Feb to 16:17 on Sat 19 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-02-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-02-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29576, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-02-24T01:47:10+08:00", "utc": "1966-02-23T17:47:10Z", "ms": -121587169754.97859 }, "end": { "local": "1966-02-25T03:39:15+08:00", "utc": "1966-02-24T19:39:15Z", "ms": -121494045039.41144 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-02-24T01:47:10+08:00", "utc": "1966-02-23T17:47:10Z", "ms": -121587169754.97859 }, "end": { "local": "1966-02-25T03:39:15+08:00", "utc": "1966-02-24T19:39:15Z", "ms": -121494045039.41144 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-02-24", "window": { "start": { "local": "1966-02-24T11:52:19+08:00", "utc": "1966-02-24T03:52:19Z", "ms": -121550860503.69803 }, "end": { "local": "1966-02-24T12:40:19+08:00", "utc": "1966-02-24T04:40:19Z", "ms": -121547980503.69803 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-02-25", "window": { "start": { "local": "1966-02-25T11:52:11+08:00", "utc": "1966-02-25T03:52:11Z", "ms": -121464469319.9281 }, "end": { "local": "1966-02-25T12:40:11+08:00", "utc": "1966-02-25T04:40:11Z", "ms": -121461589319.9281 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:47 on Thu 24 Feb to 03:39 on Fri 25 Feb.", "fact": "1966-02-23T17:47:10Z → 1966-02-24T19:39:15Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 24th, 11:52–12:40 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29576 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Thursday 24 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-02-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-02-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Thursday 24 February. Caturthī runs from 01:47 on Thu 24 Feb to 03:39 on Fri 25 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-02-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/ekadashi?on=1966-03-03", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12974, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-03-03T02:49:12+08:00", "utc": "1966-03-02T18:49:12Z", "ms": -120978647948.17055 }, "end": { "local": "1966-03-04T00:12:24+08:00", "utc": "1966-03-03T16:12:24Z", "ms": -120901656335.98311 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-03-03T02:49:12+08:00", "utc": "1966-03-02T18:49:12Z", "ms": -120978647948.17055 }, "end": { "local": "1966-03-04T00:12:24+08:00", "utc": "1966-03-03T16:12:24Z", "ms": -120901656335.98311 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-03-03", "window": { "start": { "local": "1966-03-03T06:25:26+08:00", "utc": "1966-03-02T22:25:26Z", "ms": -120965674342.01659 }, "end": { "local": "1966-03-03T06:25:26+08:00", "utc": "1966-03-02T22:25:26Z", "ms": -120965674342.01659 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-03-04", "window": { "start": { "local": "1966-03-04T06:24:28+08:00", "utc": "1966-03-03T22:24:28Z", "ms": -120879332404.06331 }, "end": { "local": "1966-03-04T06:24:28+08:00", "utc": "1966-03-03T22:24:28Z", "ms": -120879332404.06331 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:49 on Thu 3 Mar to 00:12 on Fri 4 Mar.", "fact": "1966-03-02T18:49:12Z → 1966-03-03T16:12:24Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 3rd and 06:24 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12974 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Fuzhou, 1966: Thursday 3 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": "1966-03-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Āmalakī Ekādaśī 1966 falls on Thursday 3 March. Ekādaśī runs from 02:49 on Thu 3 Mar to 00:12 on Fri 4 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-03-03", "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/1966/pradosha-vrata?on=1966-03-04", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-04", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2348, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-03-04T21:01:53+08:00", "utc": "1966-03-04T13:01:53Z", "ms": -120826687372.38622 }, "end": { "local": "1966-03-05T17:26:43+08:00", "utc": "1966-03-05T09:26:43Z", "ms": -120753197283.52097 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-03-04T21:01:53+08:00", "utc": "1966-03-04T13:01:53Z", "ms": -120826687372.38622 }, "end": { "local": "1966-03-05T17:26:43+08:00", "utc": "1966-03-05T09:26:43Z", "ms": -120753197283.52097 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-03-04", "window": { "start": { "local": "1966-03-04T18:05:18+08:00", "utc": "1966-03-04T10:05:18Z", "ms": -120837281612.68982 }, "end": { "local": "1966-03-04T19:43:44+08:00", "utc": "1966-03-04T11:43:44Z", "ms": -120831376205.29604 } }, "covered_min": 0, "window_min": 98, "qualifies": false }, { "local_date": "1966-03-05", "window": { "start": { "local": "1966-03-05T18:05:51+08:00", "utc": "1966-03-05T10:05:51Z", "ms": -120750849285.88255 }, "end": { "local": "1966-03-05T19:44:04+08:00", "utc": "1966-03-05T11:44:04Z", "ms": -120744956083.83104 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:02 on Fri 4 Mar to 17:27 on Sat 5 Mar.", "fact": "1966-03-04T13:01:53Z → 1966-03-05T09:26:43Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:05–19:44 on the 4th, 18:06–19:44 on the 5th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 98 minutes on the 4th and 0 of 98 on the 5th.", "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 2348 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Friday 4 March.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-04", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-04", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Friday 4 March. Trayodaśī runs from 21:02 on Fri 4 Mar to 17:27 on Sat 5 Mar, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-03-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7693, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-03-06T13:37:24+08:00", "utc": "1966-03-06T05:37:24Z", "ms": -120680556447.01576 }, "end": { "local": "1966-03-07T09:45:15+08:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-03-06T13:37:24+08:00", "utc": "1966-03-06T05:37:24Z", "ms": -120680556447.01576 }, "end": { "local": "1966-03-07T09:45:15+08:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 } }, "kaala": "sayahna", "days": [ { "local_date": "1966-03-06", "window": { "start": { "local": "1966-03-06T15:45:36+08:00", "utc": "1966-03-06T07:45:36Z", "ms": -120672863897.48134 }, "end": { "local": "1966-03-06T18:06:23+08:00", "utc": "1966-03-06T10:06:23Z", "ms": -120664417304.22762 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "1966-03-07", "window": { "start": { "local": "1966-03-07T15:45:49+08:00", "utc": "1966-03-07T07:45:49Z", "ms": -120586450523.09691 }, "end": { "local": "1966-03-07T18:06:54+08:00", "utc": "1966-03-07T10:06:54Z", "ms": -120577985650.7551 } }, "covered_min": 0, "window_min": 141, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:37 on Sun 6 Mar to 09:45 on Mon 7 Mar.", "fact": "1966-03-06T05:37:24Z → 1966-03-07T01:45:15Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:06 on the 6th, 15:46–18:07 on the 7th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 141 of 141 minutes on the 6th and 0 of 141 on the 7th.", "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 7693 s" }, { "step": "ruling", "text": "Holikā Dahana, Fuzhou, 1966: Sunday 6 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": "1966-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Holikā Dahana 1966 falls on Sunday 6 March. Pūrṇimā runs from 13:37 on Sun 6 Mar to 09:45 on Mon 7 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7693, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-03-06T13:37:24+08:00", "utc": "1966-03-06T05:37:24Z", "ms": -120680556447.01576 }, "end": { "local": "1966-03-07T09:45:15+08:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1966-03-06T13:37:24+08:00", "utc": "1966-03-06T05:37:24Z", "ms": -120680556447.01576 }, "end": { "local": "1966-03-07T09:45:15+08:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 } }, "kaala": "sayahna", "days": [ { "local_date": "1966-03-06", "window": { "start": { "local": "1966-03-06T15:45:36+08:00", "utc": "1966-03-06T07:45:36Z", "ms": -120672863897.48134 }, "end": { "local": "1966-03-06T18:06:23+08:00", "utc": "1966-03-06T10:06:23Z", "ms": -120664417304.22762 } }, "covered_min": 141, "window_min": 141, "qualifies": true }, { "local_date": "1966-03-07", "window": { "start": { "local": "1966-03-07T15:45:49+08:00", "utc": "1966-03-07T07:45:49Z", "ms": -120586450523.09691 }, "end": { "local": "1966-03-07T18:06:54+08:00", "utc": "1966-03-07T10:06:54Z", "ms": -120577985650.7551 } }, "covered_min": 0, "window_min": 141, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1966-03-06", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:37 on Sun 6 Mar to 09:45 on Mon 7 Mar.", "fact": "1966-03-06T05:37:24Z → 1966-03-07T01:45:15Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:06 on the 6th, 15:46–18:07 on the 7th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 141 of 141 minutes on the 6th and 0 of 141 on the 7th.", "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 7693 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Sunday 6 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Fuzhou, 1966: Monday 7 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": "1966-03-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Holī 1966 falls on Monday 7 March. It is kept the day after Holikā Dahana, which falls on Sunday 6 March. Pūrṇimā runs from 13:37 on Sun 6 Mar to 09:45 on Mon 7 Mar and covers all of sāyāhna on the 6th.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-07", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1115, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-03-07T09:45:15+08:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 }, "end": { "local": "1966-03-08T06:01:55+08:00", "utc": "1966-03-07T22:01:55Z", "ms": -120535085459.25905 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-07T09:45:15+08:00", "utc": "1966-03-07T01:45:15Z", "ms": -120608085221.27797 }, "end": { "local": "1966-03-08T06:01:55+08:00", "utc": "1966-03-07T22:01:55Z", "ms": -120535085459.25905 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-03-07", "window": { "start": { "local": "1966-03-07T06:21:30+08:00", "utc": "1966-03-06T22:21:30Z", "ms": -120620310012.46416 }, "end": { "local": "1966-03-07T06:21:30+08:00", "utc": "1966-03-06T22:21:30Z", "ms": -120620310012.46416 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-03-08", "window": { "start": { "local": "1966-03-08T06:20:30+08:00", "utc": "1966-03-07T22:20:30Z", "ms": -120533970251.22711 }, "end": { "local": "1966-03-08T06:20:30+08:00", "utc": "1966-03-07T22:20:30Z", "ms": -120533970251.22711 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:45 on Mon 7 Mar to 06:02 on Tue 8 Mar.", "fact": "1966-03-07T01:45:15Z → 1966-03-07T22:01:55Z" }, { "step": "kaala", "text": "Sunrise is at 06:21 on the 7th and 06:20 on the 8th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 7th and is not on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: purvaviddha → tithi-day · margin 1115 s" }, { "step": "ruling", "text": "Vasantotsava, Fuzhou, 1966: Monday 7 March.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1966-03-07", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-07", "confidence": "boundary" } ], "quote": "In Fuzhou, Vasantotsava 1966 falls on Monday 7 March. Pratipadā runs from 09:45 on Mon 7 Mar to 06:02 on Tue 8 Mar, and is current at sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-03-09", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-09", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 427, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-03-09T23:46:39+08:00", "utc": "1966-03-09T15:46:39Z", "ms": -120384801149.91325 }, "end": { "local": "1966-03-10T21:34:38+08:00", "utc": "1966-03-10T13:34:38Z", "ms": -120306322494.36858 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-09T23:46:39+08:00", "utc": "1966-03-09T15:46:39Z", "ms": -120384801149.91325 }, "end": { "local": "1966-03-10T21:34:38+08:00", "utc": "1966-03-10T13:34:38Z", "ms": -120306322494.36858 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-03-09", "window": { "start": { "local": "1966-03-09T20:38:26+08:00", "utc": "1966-03-09T12:38:26Z", "ms": -120396094005.40858 }, "end": { "local": "1966-03-09T20:38:26+08:00", "utc": "1966-03-09T12:38:26Z", "ms": -120396094005.40858 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-03-10", "window": { "start": { "local": "1966-03-10T21:41:45+08:00", "utc": "1966-03-10T13:41:45Z", "ms": -120305895040.62807 }, "end": { "local": "1966-03-10T21:41:45+08:00", "utc": "1966-03-10T13:41:45Z", "ms": -120305895040.62807 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:47 on Wed 9 Mar to 21:35 on Thu 10 Mar.", "fact": "1966-03-09T15:46:39Z → 1966-03-10T13:34:38Z" }, { "step": "kaala", "text": "Moonrise is at 20:38 on the 9th and 21:42 on the 10th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 427 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Wednesday 9 March.", "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": "1966-03-09", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-09", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Wednesday 9 March. Caturthī runs from 23:47 on Wed 9 Mar to 21:35 on Thu 10 Mar, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-03-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26154, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-03-13T19:52:34+08:00", "utc": "1966-03-13T11:52:34Z", "ms": -120053245762.87485 }, "end": { "local": "1966-03-14T20:56:02+08:00", "utc": "1966-03-14T12:56:02Z", "ms": -119963037848.9117 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-13T19:52:34+08:00", "utc": "1966-03-13T11:52:34Z", "ms": -120053245762.87485 }, "end": { "local": "1966-03-14T20:56:02+08:00", "utc": "1966-03-14T12:56:02Z", "ms": -119963037848.9117 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-13", "window": { "start": { "local": "1966-03-13T11:48:40+08:00", "utc": "1966-03-13T03:48:40Z", "ms": -120082279743.18976 }, "end": { "local": "1966-03-13T12:36:40+08:00", "utc": "1966-03-13T04:36:40Z", "ms": -120079399743.18976 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-14", "window": { "start": { "local": "1966-03-14T11:48:24+08:00", "utc": "1966-03-14T03:48:24Z", "ms": -119995896125.97458 }, "end": { "local": "1966-03-14T12:36:24+08:00", "utc": "1966-03-14T04:36:24Z", "ms": -119993016125.97458 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:53 on Sun 13 Mar to 20:56 on Mon 14 Mar.", "fact": "1966-03-13T11:52:34Z → 1966-03-14T12:56:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 13th, 11:48–12:36 on the 14th.", "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 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26154 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Fuzhou, 1966: Monday 14 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": "1966-03-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalāṣṭamī 1966 falls on Monday 14 March. Aṣṭamī runs from 19:53 on Sun 13 Mar to 20:56 on Mon 14 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-03-17", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10510, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-03-17T00:48:13+08:00", "utc": "1966-03-16T16:48:13Z", "ms": -119776306515.31075 }, "end": { "local": "1966-03-18T03:14:56+08:00", "utc": "1966-03-17T19:14:56Z", "ms": -119681103542.11487 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-17T00:48:13+08:00", "utc": "1966-03-16T16:48:13Z", "ms": -119776306515.31075 }, "end": { "local": "1966-03-18T03:14:56+08:00", "utc": "1966-03-17T19:14:56Z", "ms": -119681103542.11487 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-03-17", "window": { "start": { "local": "1966-03-17T06:11:10+08:00", "utc": "1966-03-16T22:11:10Z", "ms": -119756929841.97285 }, "end": { "local": "1966-03-17T06:11:10+08:00", "utc": "1966-03-16T22:11:10Z", "ms": -119756929841.97285 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-03-18", "window": { "start": { "local": "1966-03-18T06:10:07+08:00", "utc": "1966-03-17T22:10:07Z", "ms": -119670593441.75827 }, "end": { "local": "1966-03-18T06:10:07+08:00", "utc": "1966-03-17T22:10:07Z", "ms": -119670593441.75827 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 00:48 on Thu 17 Mar to 03:15 on Fri 18 Mar.", "fact": "1966-03-16T16:48:13Z → 1966-03-17T19:14:56Z" }, { "step": "kaala", "text": "Sunrise is at 06:11 on the 17th and 06:10 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10510 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Fuzhou, 1966: Thursday 17 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": "1966-03-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāpamocanī Ekādaśī 1966 falls on Thursday 17 March. Ekādaśī runs from 00:48 on Thu 17 Mar to 03:15 on Fri 18 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-03-17", "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/1966/pradosha-vrata?on=1966-03-19", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35748, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-03-19T05:47:37+08:00", "utc": "1966-03-18T21:47:37Z", "ms": -119585542806.46419 }, "end": { "local": "1966-03-20T08:17:35+08:00", "utc": "1966-03-20T00:17:35Z", "ms": -119490145094.53375 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-19T05:47:37+08:00", "utc": "1966-03-18T21:47:37Z", "ms": -119585542806.46419 }, "end": { "local": "1966-03-20T08:17:35+08:00", "utc": "1966-03-20T00:17:35Z", "ms": -119490145094.53375 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-03-19", "window": { "start": { "local": "1966-03-19T18:12:54+08:00", "utc": "1966-03-19T10:12:54Z", "ms": -119540825562.41924 }, "end": { "local": "1966-03-19T19:48:15+08:00", "utc": "1966-03-19T11:48:15Z", "ms": -119535104977.79366 } }, "covered_min": 95, "window_min": 95, "qualifies": true }, { "local_date": "1966-03-20", "window": { "start": { "local": "1966-03-20T18:13:23+08:00", "utc": "1966-03-20T10:13:23Z", "ms": -119454396803.23427 }, "end": { "local": "1966-03-20T19:48:31+08:00", "utc": "1966-03-20T11:48:31Z", "ms": -119448688597.88954 } }, "covered_min": 0, "window_min": 95, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:48 on Sat 19 Mar to 08:18 on Sun 20 Mar.", "fact": "1966-03-18T21:47:37Z → 1966-03-20T00:17:35Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–19:48 on the 19th, 18:13–19:49 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 95 of 95 minutes on the 19th and 0 of 95 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 35748 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Saturday 19 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": "1966-03-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Saturday 19 March. Trayodaśī runs from 05:48 on Sat 19 Mar to 08:18 on Sun 20 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-03-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/shivaratri?on=1966-03-20", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27788, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-03-20T08:17:35+08:00", "utc": "1966-03-20T00:17:35Z", "ms": -119490145094.53375 }, "end": { "local": "1966-03-21T10:38:30+08:00", "utc": "1966-03-21T02:38:30Z", "ms": -119395290238.01146 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-20T08:17:35+08:00", "utc": "1966-03-20T00:17:35Z", "ms": -119490145094.53375 }, "end": { "local": "1966-03-21T10:38:30+08:00", "utc": "1966-03-21T02:38:30Z", "ms": -119395290238.01146 } }, "kaala": "nishita", "days": [ { "local_date": "1966-03-19", "window": { "start": { "local": "1966-03-19T23:46:27+08:00", "utc": "1966-03-19T15:46:27Z", "ms": -119520813370.07332 }, "end": { "local": "1966-03-20T00:34:27+08:00", "utc": "1966-03-19T16:34:27Z", "ms": -119517933370.07332 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-20", "window": { "start": { "local": "1966-03-20T23:46:09+08:00", "utc": "1966-03-20T15:46:09Z", "ms": -119434431033.19153 }, "end": { "local": "1966-03-21T00:34:09+08:00", "utc": "1966-03-20T16:34:09Z", "ms": -119431551033.19153 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:18 on Sun 20 Mar to 10:38 on Mon 21 Mar.", "fact": "1966-03-20T00:17:35Z → 1966-03-21T02:38:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 19th, 23:46–00:34 on the 20th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27788 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Sunday 20 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": "1966-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Sunday 20 March. Caturdaśī runs from 08:18 on Sun 20 Mar to 10:38 on Mon 21 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-03-20", "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/1966/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 719, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-03-22T12:46:04+08:00", "utc": "1966-03-22T04:46:04Z", "ms": -119301235510.53867 }, "end": { "local": "1966-03-23T14:37:20+08:00", "utc": "1966-03-23T06:37:20Z", "ms": -119208159718.69223 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-22T12:46:04+08:00", "utc": "1966-03-22T04:46:04Z", "ms": -119301235510.53867 }, "end": { "local": "1966-03-23T14:37:20+08:00", "utc": "1966-03-23T06:37:20Z", "ms": -119208159718.69223 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-22", "window": { "start": { "local": "1966-03-22T11:46:05+08:00", "utc": "1966-03-22T03:46:05Z", "ms": -119304834576.99507 }, "end": { "local": "1966-03-22T12:34:05+08:00", "utc": "1966-03-22T04:34:05Z", "ms": -119301954576.99507 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-23", "window": { "start": { "local": "1966-03-23T11:45:47+08:00", "utc": "1966-03-23T03:45:47Z", "ms": -119218452533.60094 }, "end": { "local": "1966-03-23T12:33:47+08:00", "utc": "1966-03-23T04:33:47Z", "ms": -119215572533.60094 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:46 on Tue 22 Mar to 14:37 on Wed 23 Mar.", "fact": "1966-03-22T04:46:04Z → 1966-03-23T06:37:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 22nd, 11:46–12:34 on the 23rd.", "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 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 719 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Fuzhou, 1966: Wednesday 23 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 1966 falls on Wednesday 23 March. Pratipadā runs from 12:46 on Tue 22 Mar to 14:37 on Wed 23 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12977, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-03-24T16:09:46+08:00", "utc": "1966-03-24T08:09:46Z", "ms": -119116213745.34846 }, "end": { "local": "1966-03-25T17:20:39+08:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-24T16:09:46+08:00", "utc": "1966-03-24T08:09:46Z", "ms": -119116213745.34846 }, "end": { "local": "1966-03-25T17:20:39+08:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-24", "window": { "start": { "local": "1966-03-24T11:45:29+08:00", "utc": "1966-03-24T03:45:29Z", "ms": -119132070575.97629 }, "end": { "local": "1966-03-24T12:33:29+08:00", "utc": "1966-03-24T04:33:29Z", "ms": -119129190575.97629 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-25", "window": { "start": { "local": "1966-03-25T11:45:11+08:00", "utc": "1966-03-25T03:45:11Z", "ms": -119045688686.87126 }, "end": { "local": "1966-03-25T12:33:11+08:00", "utc": "1966-03-25T04:33:11Z", "ms": -119042808686.87126 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:10 on Thu 24 Mar to 17:21 on Fri 25 Mar.", "fact": "1966-03-24T08:09:46Z → 1966-03-25T09:20:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 24th, 11:45–12:33 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12977 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Fuzhou, 1966: Friday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 1966 falls on Friday 25 March. Tṛtīyā runs from 16:10 on Thu 24 Mar to 17:21 on Fri 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12977, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-03-24T16:09:46+08:00", "utc": "1966-03-24T08:09:46Z", "ms": -119116213745.34846 }, "end": { "local": "1966-03-25T17:20:39+08:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-24T16:09:46+08:00", "utc": "1966-03-24T08:09:46Z", "ms": -119116213745.34846 }, "end": { "local": "1966-03-25T17:20:39+08:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-24", "window": { "start": { "local": "1966-03-24T11:45:29+08:00", "utc": "1966-03-24T03:45:29Z", "ms": -119132070575.97629 }, "end": { "local": "1966-03-24T12:33:29+08:00", "utc": "1966-03-24T04:33:29Z", "ms": -119129190575.97629 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-25", "window": { "start": { "local": "1966-03-25T11:45:11+08:00", "utc": "1966-03-25T03:45:11Z", "ms": -119045688686.87126 }, "end": { "local": "1966-03-25T12:33:11+08:00", "utc": "1966-03-25T04:33:11Z", "ms": -119042808686.87126 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 16:10 on Thu 24 Mar to 17:21 on Fri 25 Mar.", "fact": "1966-03-24T08:09:46Z → 1966-03-25T09:20:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 24th, 11:45–12:33 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 12977 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Fuzhou, 1966: Friday 25 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Saubhāgya Śayana Vrata 1966 falls on Friday 25 March. Tṛtīyā runs from 16:10 on Thu 24 Mar to 17:21 on Fri 25 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-03-26", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17248, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-03-25T17:20:39+08:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 }, "end": { "local": "1966-03-26T18:06:44+08:00", "utc": "1966-03-26T10:06:44Z", "ms": -118936396186.29529 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-25T17:20:39+08:00", "utc": "1966-03-25T09:20:39Z", "ms": -119025560974.98845 }, "end": { "local": "1966-03-26T18:06:44+08:00", "utc": "1966-03-26T10:06:44Z", "ms": -118936396186.29529 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-25", "window": { "start": { "local": "1966-03-25T11:45:11+08:00", "utc": "1966-03-25T03:45:11Z", "ms": -119045688686.87126 }, "end": { "local": "1966-03-25T12:33:11+08:00", "utc": "1966-03-25T04:33:11Z", "ms": -119042808686.87126 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-26", "window": { "start": { "local": "1966-03-26T11:44:53+08:00", "utc": "1966-03-26T03:44:53Z", "ms": -118959306849.02289 }, "end": { "local": "1966-03-26T12:32:53+08:00", "utc": "1966-03-26T04:32:53Z", "ms": -118956426849.02289 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:21 on Fri 25 Mar to 18:07 on Sat 26 Mar.", "fact": "1966-03-25T09:20:39Z → 1966-03-26T10:06:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 25th, 11:45–12:33 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17248 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Saturday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Saturday 26 March. Caturthī runs from 17:21 on Fri 25 Mar to 18:07 on Sat 26 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-03-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20031, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-03-26T18:06:44+08:00", "utc": "1966-03-26T10:06:44Z", "ms": -118936396186.29529 }, "end": { "local": "1966-03-27T18:24:22+08:00", "utc": "1966-03-27T10:24:22Z", "ms": -118848938013.53856 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-26T18:06:44+08:00", "utc": "1966-03-26T10:06:44Z", "ms": -118936396186.29529 }, "end": { "local": "1966-03-27T18:24:22+08:00", "utc": "1966-03-27T10:24:22Z", "ms": -118848938013.53856 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-26", "window": { "start": { "local": "1966-03-26T11:44:53+08:00", "utc": "1966-03-26T03:44:53Z", "ms": -118959306849.02289 }, "end": { "local": "1966-03-26T12:32:53+08:00", "utc": "1966-03-26T04:32:53Z", "ms": -118956426849.02289 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-27", "window": { "start": { "local": "1966-03-27T11:44:35+08:00", "utc": "1966-03-27T03:44:35Z", "ms": -118872925045.06114 }, "end": { "local": "1966-03-27T12:32:35+08:00", "utc": "1966-03-27T04:32:35Z", "ms": -118870045045.06114 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:07 on Sat 26 Mar to 18:24 on Sun 27 Mar.", "fact": "1966-03-26T10:06:44Z → 1966-03-27T10:24:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 on the 27th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 20031 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Fuzhou, 1966: Sunday 27 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pañcamī 1966 falls on Sunday 27 March. Pañcamī runs from 18:07 on Sat 26 Mar to 18:24 on Sun 27 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12288, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-03-29T17:21:05+08:00", "utc": "1966-03-29T09:21:05Z", "ms": -118679934546.9857 }, "end": { "local": "1966-03-30T15:56:29+08:00", "utc": "1966-03-30T07:56:29Z", "ms": -118598611465.45619 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-29T17:21:05+08:00", "utc": "1966-03-29T09:21:05Z", "ms": -118679934546.9857 }, "end": { "local": "1966-03-30T15:56:29+08:00", "utc": "1966-03-30T07:56:29Z", "ms": -118598611465.45619 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-29", "window": { "start": { "local": "1966-03-29T11:43:59+08:00", "utc": "1966-03-29T03:43:59Z", "ms": -118700161468.10501 }, "end": { "local": "1966-03-29T12:31:59+08:00", "utc": "1966-03-29T04:31:59Z", "ms": -118697281468.10501 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-30", "window": { "start": { "local": "1966-03-30T11:43:40+08:00", "utc": "1966-03-30T03:43:40Z", "ms": -118613779658.75108 }, "end": { "local": "1966-03-30T12:31:40+08:00", "utc": "1966-03-30T04:31:40Z", "ms": -118610899658.75108 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 17:21 on Tue 29 Mar to 15:56 on Wed 30 Mar.", "fact": "1966-03-29T09:21:05Z → 1966-03-30T07:56:29Z" }, { "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": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 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: paraviddha → only-day · margin 12288 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Fuzhou, 1966: Wednesday 30 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhavānī Utpatti 1966 falls on Wednesday 30 March. Aṣṭamī runs from 17:21 on Tue 29 Mar to 15:56 on Wed 30 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-03-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5153, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1966-03-30T15:56:29+08:00", "utc": "1966-03-30T07:56:29Z", "ms": -118598611465.45619 }, "end": { "local": "1966-03-31T13:57:15+08:00", "utc": "1966-03-31T05:57:15Z", "ms": -118519364711.21323 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-03-30T15:56:29+08:00", "utc": "1966-03-30T07:56:29Z", "ms": -118598611465.45619 }, "end": { "local": "1966-03-31T13:57:15+08:00", "utc": "1966-03-31T05:57:15Z", "ms": -118519364711.21323 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-03-30", "window": { "start": { "local": "1966-03-30T11:43:40+08:00", "utc": "1966-03-30T03:43:40Z", "ms": -118613779658.75108 }, "end": { "local": "1966-03-30T12:31:40+08:00", "utc": "1966-03-30T04:31:40Z", "ms": -118610899658.75108 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-03-31", "window": { "start": { "local": "1966-03-31T11:43:22+08:00", "utc": "1966-03-31T03:43:22Z", "ms": -118527397810.23969 }, "end": { "local": "1966-03-31T12:31:22+08:00", "utc": "1966-03-31T04:31:22Z", "ms": -118524517810.23969 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 15:56 on Wed 30 Mar to 13:57 on Thu 31 Mar.", "fact": "1966-03-30T07:56:29Z → 1966-03-31T05:57:15Z" }, { "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": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5153 s" }, { "step": "ruling", "text": "Rāma Navamī, Fuzhou, 1966: Thursday 31 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-03-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-03-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāma Navamī 1966 falls on Thursday 31 March. Navamī runs from 15:56 on Wed 30 Mar to 13:57 on Thu 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-04-02", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9391, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-04-01T11:26:47+08:00", "utc": "1966-04-01T03:26:47Z", "ms": -118441992829.04361 }, "end": { "local": "1966-04-02T08:30:35+08:00", "utc": "1966-04-02T00:30:35Z", "ms": -118366164562.25366 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-01T11:26:47+08:00", "utc": "1966-04-01T03:26:47Z", "ms": -118441992829.04361 }, "end": { "local": "1966-04-02T08:30:35+08:00", "utc": "1966-04-02T00:30:35Z", "ms": -118366164562.25366 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-04-01", "window": { "start": { "local": "1966-04-01T05:55:08+08:00", "utc": "1966-03-31T21:55:08Z", "ms": -118461892081.43254 }, "end": { "local": "1966-04-01T05:55:08+08:00", "utc": "1966-03-31T21:55:08Z", "ms": -118461892081.43254 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-04-02", "window": { "start": { "local": "1966-04-02T05:54:04+08:00", "utc": "1966-04-01T21:54:04Z", "ms": -118375555844.8009 }, "end": { "local": "1966-04-02T05:54:04+08:00", "utc": "1966-04-01T21:54:04Z", "ms": -118375555844.8009 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:27 on Fri 1 Apr to 08:31 on Sat 2 Apr.", "fact": "1966-04-01T03:26:47Z → 1966-04-02T00:30:35Z" }, { "step": "kaala", "text": "Sunrise is at 05:55 on the 1st and 05:54 on the 2nd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 9391 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Fuzhou, 1966: Saturday 2 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": "1966-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmadā Ekādaśī 1966 falls on Saturday 2 April. Ekādaśī runs from 11:27 on Fri 1 Apr to 08:31 on Sat 2 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-04-02", "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/1966/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23188, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-04-03T05:16:00+08:00", "utc": "1966-04-02T21:16:00Z", "ms": -118291439551.52615 }, "end": { "local": "1966-04-04T01:51:45+08:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-03T05:16:00+08:00", "utc": "1966-04-02T21:16:00Z", "ms": -118291439551.52615 }, "end": { "local": "1966-04-04T01:51:45+08:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-03", "window": { "start": { "local": "1966-04-03T11:42:28+08:00", "utc": "1966-04-03T03:42:28Z", "ms": -118268251825.2937 }, "end": { "local": "1966-04-03T12:30:28+08:00", "utc": "1966-04-03T04:30:28Z", "ms": -118265371825.2937 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-04-04", "window": { "start": { "local": "1966-04-04T11:42:10+08:00", "utc": "1966-04-04T03:42:10Z", "ms": -118181869610.8092 }, "end": { "local": "1966-04-04T12:30:10+08:00", "utc": "1966-04-04T04:30:10Z", "ms": -118178989610.8092 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:16 on Sun 3 Apr to 01:52 on Mon 4 Apr.", "fact": "1966-04-02T21:16:00Z → 1966-04-03T17:51:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 3rd, 11:42–12:30 on the 4th.", "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 3rd and 0 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23188 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Fuzhou, 1966: Sunday 3 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ananga-trayodashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Anaṅga Trayodaśī 1966 falls on Sunday 3 April. Trayodaśī runs from 05:16 on Sun 3 Apr to 01:52 on Mon 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pradosha-vrata?on=1966-04-03", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21573, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-04-03T05:16:00+08:00", "utc": "1966-04-02T21:16:00Z", "ms": -118291439551.52615 }, "end": { "local": "1966-04-04T01:51:45+08:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-03T05:16:00+08:00", "utc": "1966-04-02T21:16:00Z", "ms": -118291439551.52615 }, "end": { "local": "1966-04-04T01:51:45+08:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-04-02", "window": { "start": { "local": "1966-04-02T18:19:28+08:00", "utc": "1966-04-02T10:19:28Z", "ms": -118330831985.11725 }, "end": { "local": "1966-04-02T19:51:56+08:00", "utc": "1966-04-02T11:51:56Z", "ms": -118325283641.57236 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1966-04-03", "window": { "start": { "local": "1966-04-03T18:19:56+08:00", "utc": "1966-04-03T10:19:56Z", "ms": -118244404242.05687 }, "end": { "local": "1966-04-03T19:52:12+08:00", "utc": "1966-04-03T11:52:12Z", "ms": -118238868042.24443 } }, "covered_min": 92, "window_min": 92, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:16 on Sun 3 Apr to 01:52 on Mon 4 Apr.", "fact": "1966-04-02T21:16:00Z → 1966-04-03T17:51:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:52 on the 2nd, 18:20–19:52 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 2nd and 92 of 92 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21573 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Sunday 3 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": "1966-04-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Sunday 3 April. Trayodaśī runs from 05:16 on Sun 3 Apr to 01:52 on Mon 4 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-04-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35425, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-04-04T01:51:45+08:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 }, "end": { "local": "1966-04-04T22:27:26+08:00", "utc": "1966-04-04T14:27:26Z", "ms": -118143154117.78555 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-04T01:51:45+08:00", "utc": "1966-04-03T17:51:45Z", "ms": -118217295079.33908 }, "end": { "local": "1966-04-04T22:27:26+08:00", "utc": "1966-04-04T14:27:26Z", "ms": -118143154117.78555 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-04", "window": { "start": { "local": "1966-04-04T11:42:10+08:00", "utc": "1966-04-04T03:42:10Z", "ms": -118181869610.8092 }, "end": { "local": "1966-04-04T12:30:10+08:00", "utc": "1966-04-04T04:30:10Z", "ms": -118178989610.8092 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-04-05", "window": { "start": { "local": "1966-04-05T11:41:53+08:00", "utc": "1966-04-05T03:41:53Z", "ms": -118095487248.1789 }, "end": { "local": "1966-04-05T12:29:53+08:00", "utc": "1966-04-05T04:29:53Z", "ms": -118092607248.1789 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:52 on Mon 4 Apr to 22:27 on Mon 4 Apr.", "fact": "1966-04-03T17:51:45Z → 1966-04-04T14:27:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 4th, 11:42–12:30 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 35425 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 1966: Monday 4 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vishnu-damanaka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 1966 falls on Monday 4 April. Caturdaśī runs from 01:52 on Mon 4 Apr to 22:27 on Mon 4 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24194, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-04-04T22:27:26+08:00", "utc": "1966-04-04T14:27:26Z", "ms": -118143154117.78555 }, "end": { "local": "1966-04-05T19:13:07+08:00", "utc": "1966-04-05T11:13:07Z", "ms": -118068413028.9957 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1966-04-04T22:27:26+08:00", "utc": "1966-04-04T14:27:26Z", "ms": -118143154117.78555 }, "end": { "local": "1966-04-05T19:13:07+08:00", "utc": "1966-04-05T11:13:07Z", "ms": -118068413028.9957 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-04", "window": { "start": { "local": "1966-04-04T11:42:10+08:00", "utc": "1966-04-04T03:42:10Z", "ms": -118181869610.8092 }, "end": { "local": "1966-04-04T12:30:10+08:00", "utc": "1966-04-04T04:30:10Z", "ms": -118178989610.8092 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-04-05", "window": { "start": { "local": "1966-04-05T11:41:53+08:00", "utc": "1966-04-05T03:41:53Z", "ms": -118095487248.1789 }, "end": { "local": "1966-04-05T12:29:53+08:00", "utc": "1966-04-05T04:29:53Z", "ms": -118092607248.1789 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 22:27 on Mon 4 Apr to 19:13 on Tue 5 Apr.", "fact": "1966-04-04T14:27:26Z → 1966-04-05T11:13:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 4th, 11:42–12:30 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24194 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Fuzhou, 1966: Tuesday 5 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": "1966-04-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Caitrī Pūrṇimā 1966 falls on Tuesday 5 April. Pūrṇimā runs from 22:27 on Mon 4 Apr to 19:13 on Tue 5 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-04-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33709, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-04-08T12:07:03+08:00", "utc": "1966-04-08T04:07:03Z", "ms": -117834777271.37987 }, "end": { "local": "1966-04-09T11:04:07+08:00", "utc": "1966-04-09T03:04:07Z", "ms": -117752152686.3827 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-08T12:07:03+08:00", "utc": "1966-04-08T04:07:03Z", "ms": -117834777271.37987 }, "end": { "local": "1966-04-09T11:04:07+08:00", "utc": "1966-04-09T03:04:07Z", "ms": -117752152686.3827 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-04-08", "window": { "start": { "local": "1966-04-08T21:28:51+08:00", "utc": "1966-04-08T13:28:51Z", "ms": -117801068631.00426 }, "end": { "local": "1966-04-08T21:28:51+08:00", "utc": "1966-04-08T13:28:51Z", "ms": -117801068631.00426 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-04-09", "window": { "start": { "local": "1966-04-09T22:31:29+08:00", "utc": "1966-04-09T14:31:29Z", "ms": -117710911422.01674 }, "end": { "local": "1966-04-09T22:31:29+08:00", "utc": "1966-04-09T14:31:29Z", "ms": -117710911422.01674 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:07 on Fri 8 Apr to 11:04 on Sat 9 Apr.", "fact": "1966-04-08T04:07:03Z → 1966-04-09T03:04:07Z" }, { "step": "kaala", "text": "Moonrise is at 21:29 on the 8th and 22:31 on the 9th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33709 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Friday 8 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": "1966-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Friday 8 April. Caturthī runs from 12:07 on Fri 8 Apr to 11:04 on Sat 9 Apr and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-04-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10377, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1966-04-14T02:48:46+08:00", "utc": "1966-04-13T18:48:46Z", "ms": -117349874425.94872 }, "end": { "local": "1966-05-14T23:42:55+08:00", "utc": "1966-05-14T15:42:55Z", "ms": -114682625016.33156 } }, "span": { "of": "transit", "start": { "local": "1966-04-14T02:48:46+08:00", "utc": "1966-04-13T18:48:46Z", "ms": -117349874425.94872 }, "end": { "local": "1966-04-14T02:48:46+08:00", "utc": "1966-04-13T18:48:46Z", "ms": -117349874425.94872 } }, "kaala": "day", "days": [ { "local_date": "1966-04-13", "window": { "start": { "local": "1966-04-13T05:42:42+08:00", "utc": "1966-04-12T21:42:42Z", "ms": -117425837680.5718 }, "end": { "local": "1966-04-14T05:41:43+08:00", "utc": "1966-04-13T21:41:43Z", "ms": -117339497157.74127 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1966-04-14", "window": { "start": { "local": "1966-04-14T05:41:43+08:00", "utc": "1966-04-13T21:41:43Z", "ms": -117339497157.74127 }, "end": { "local": "1966-04-15T05:40:44+08:00", "utc": "1966-04-14T21:40:44Z", "ms": -117253156103.108 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 02:49 on Thu 14 Apr.", "fact": "1966-04-13T18:48:46Z · 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 10377 s" }, { "step": "ruling", "text": "Vaiśākhī, Fuzhou, 1966: Wednesday 13 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "solar", "id": "vaishakhi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)." }, { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } ], "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.", "rashi": "Meṣa", "day_from": "sunrise" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1966-04-14", "statement": "Counted from midnight", "reference": { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 106", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day." } }, { "kind": "reckoning", "id": "sunset-rule", "local_date": "1966-04-14", "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 1966 falls on Wednesday 13 April. The Sun enters Meṣa at 02:49 on Thu 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-04-16", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28952, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-04-15T19:09:33+08:00", "utc": "1966-04-15T11:09:33Z", "ms": -117204627073.05788 }, "end": { "local": "1966-04-16T21:36:15+08:00", "utc": "1966-04-16T13:36:15Z", "ms": -117109424792.29324 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-15T19:09:33+08:00", "utc": "1966-04-15T11:09:33Z", "ms": -117204627073.05788 }, "end": { "local": "1966-04-16T21:36:15+08:00", "utc": "1966-04-16T13:36:15Z", "ms": -117109424792.29324 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-04-16", "window": { "start": { "local": "1966-04-16T05:39:46+08:00", "utc": "1966-04-15T21:39:46Z", "ms": -117166814492.21878 }, "end": { "local": "1966-04-16T05:39:46+08:00", "utc": "1966-04-15T21:39:46Z", "ms": -117166814492.21878 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-04-17", "window": { "start": { "local": "1966-04-17T05:38:48+08:00", "utc": "1966-04-16T21:38:48Z", "ms": -117080472301.08672 }, "end": { "local": "1966-04-17T05:38:48+08:00", "utc": "1966-04-16T21:38:48Z", "ms": -117080472301.08672 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:10 on Fri 15 Apr to 21:36 on Sat 16 Apr.", "fact": "1966-04-15T11:09:33Z → 1966-04-16T13:36:15Z" }, { "step": "kaala", "text": "Sunrise is at 05:40 on the 16th and 05:39 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28952 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Fuzhou, 1966: Saturday 16 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": "1966-04-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Varūthinī Ekādaśī 1966 falls on Saturday 16 April. Ekādaśī runs from 19:10 on Fri 15 Apr to 21:36 on Sat 16 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-04-16", "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/1966/pradosha-vrata?on=1966-04-18", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14180, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-04-17T23:52:23+08:00", "utc": "1966-04-17T15:52:23Z", "ms": -117014856633.13988 }, "end": { "local": "1966-04-19T01:50:22+08:00", "utc": "1966-04-18T17:50:22Z", "ms": -116921378047.21318 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-17T23:52:23+08:00", "utc": "1966-04-17T15:52:23Z", "ms": -117014856633.13988 }, "end": { "local": "1966-04-19T01:50:22+08:00", "utc": "1966-04-18T17:50:22Z", "ms": -116921378047.21318 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-04-17", "window": { "start": { "local": "1966-04-17T18:26:33+08:00", "utc": "1966-04-17T10:26:33Z", "ms": -117034407081.83038 }, "end": { "local": "1966-04-17T19:56:03+08:00", "utc": "1966-04-17T11:56:03Z", "ms": -117029036738.41455 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1966-04-18", "window": { "start": { "local": "1966-04-18T18:27:02+08:00", "utc": "1966-04-18T10:27:02Z", "ms": -116947977688.53622 }, "end": { "local": "1966-04-18T19:56:21+08:00", "utc": "1966-04-18T11:56:21Z", "ms": -116942618808.01204 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 23:52 on Sun 17 Apr to 01:50 on Tue 19 Apr.", "fact": "1966-04-17T15:52:23Z → 1966-04-18T17:50:22Z" }, { "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": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 17th and 89 of 89 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 14180 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Monday 18 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": "1966-04-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Monday 18 April. Trayodaśī runs from 23:52 on Sun 17 Apr to 01:50 on Tue 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-04-18", "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/1966/shivaratri?on=1966-04-19", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5064, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-04-19T01:50:22+08:00", "utc": "1966-04-18T17:50:22Z", "ms": -116921378047.21318 }, "end": { "local": "1966-04-20T03:25:22+08:00", "utc": "1966-04-19T19:25:22Z", "ms": -116829277557.92476 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-19T01:50:22+08:00", "utc": "1966-04-18T17:50:22Z", "ms": -116921378047.21318 }, "end": { "local": "1966-04-20T03:25:22+08:00", "utc": "1966-04-19T19:25:22Z", "ms": -116829277557.92476 } }, "kaala": "nishita", "days": [ { "local_date": "1966-04-18", "window": { "start": { "local": "1966-04-18T23:37:58+08:00", "utc": "1966-04-18T15:37:58Z", "ms": -116929321886.5705 }, "end": { "local": "1966-04-19T00:25:58+08:00", "utc": "1966-04-18T16:25:58Z", "ms": -116926441886.5705 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-04-19", "window": { "start": { "local": "1966-04-19T23:37:45+08:00", "utc": "1966-04-19T15:37:45Z", "ms": -116842935073.32413 }, "end": { "local": "1966-04-20T00:25:45+08:00", "utc": "1966-04-19T16:25:45Z", "ms": -116840055073.32413 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:50 on Tue 19 Apr to 03:25 on Wed 20 Apr.", "fact": "1966-04-18T17:50:22Z → 1966-04-19T19:25:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 18th, 23:38–00:26 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5064 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Tuesday 19 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Tuesday 19 April. Caturdaśī runs from 01:50 on Tue 19 Apr to 03:25 on Wed 20 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-04-19", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-23", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 127, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-04-23T05:35:22+08:00", "utc": "1966-04-22T21:35:22Z", "ms": -116562278294.9546 }, "end": { "local": "1966-04-24T05:26:48+08:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-23T05:35:22+08:00", "utc": "1966-04-22T21:35:22Z", "ms": -116562278294.9546 }, "end": { "local": "1966-04-24T05:26:48+08:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 } }, "kaala": "purvahna", "days": [ { "local_date": "1966-04-23", "window": { "start": { "local": "1966-04-23T05:33:14+08:00", "utc": "1966-04-22T21:33:14Z", "ms": -116562405689.49893 }, "end": { "local": "1966-04-23T09:52:00+08:00", "utc": "1966-04-23T01:52:00Z", "ms": -116546879892.3778 } }, "covered_min": 257, "window_min": 259, "qualifies": true }, { "local_date": "1966-04-24", "window": { "start": { "local": "1966-04-24T05:32:21+08:00", "utc": "1966-04-23T21:32:21Z", "ms": -116476058807.28102 }, "end": { "local": "1966-04-24T09:51:35+08:00", "utc": "1966-04-24T01:51:35Z", "ms": -116460505187.67326 } }, "covered_min": 0, "window_min": 259, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:35 on Sat 23 Apr to 05:27 on Sun 24 Apr.", "fact": "1966-04-22T21:35:22Z → 1966-04-23T21:26:48Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:33–09:52 on the 23rd, 05:32–09:52 on the 24th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 257 of 259 minutes on the 23rd and 0 of 259 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one forenoon qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 127 s < 300 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Fuzhou, 1966: Saturday 23 April.", "fact": "confidence: boundary (margin)" } ], "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": "1966-04-23", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-23", "confidence": "boundary" } ], "quote": "In Fuzhou, Akṣaya Tṛtīyā 1966 falls on Saturday 23 April. Tṛtīyā runs from 05:35 on Sat 23 Apr to 05:27 on Sun 24 Apr and covers 257 of 259 minutes of pūrvāhṇa that forenoon. It is 2 min 07 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34133, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-04-23T05:35:22+08:00", "utc": "1966-04-22T21:35:22Z", "ms": -116562278294.9546 }, "end": { "local": "1966-04-24T05:26:48+08:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-23T05:35:22+08:00", "utc": "1966-04-22T21:35:22Z", "ms": -116562278294.9546 }, "end": { "local": "1966-04-24T05:26:48+08:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-04-22", "window": { "start": { "local": "1966-04-22T18:29:02+08:00", "utc": "1966-04-22T10:29:02Z", "ms": -116602258494.7522 }, "end": { "local": "1966-04-22T19:57:35+08:00", "utc": "1966-04-22T11:57:35Z", "ms": -116596944787.3851 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1966-04-23", "window": { "start": { "local": "1966-04-23T18:29:32+08:00", "utc": "1966-04-23T10:29:32Z", "ms": -116515828298.13554 }, "end": { "local": "1966-04-23T19:57:54+08:00", "utc": "1966-04-23T11:57:54Z", "ms": -116510525699.35493 } }, "covered_min": 88, "window_min": 88, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 05:35 on Sat 23 Apr to 05:27 on Sun 24 Apr.", "fact": "1966-04-22T21:35:22Z → 1966-04-23T21:26:48Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:29–19:58 on the 22nd, 18:30–19:58 on the 23rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 89 minutes on the 22nd and 88 of 88 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34133 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Fuzhou, 1966: Saturday 23 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Jayantī 1966 falls on Saturday 23 April. Tṛtīyā runs from 05:35 on Sat 23 Apr to 05:27 on Sun 24 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-04-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22224, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-04-24T05:26:48+08:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 }, "end": { "local": "1966-04-25T04:53:07+08:00", "utc": "1966-04-24T20:53:07Z", "ms": -116392012813.5761 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-24T05:26:48+08:00", "utc": "1966-04-23T21:26:48Z", "ms": -116476392312.19153 }, "end": { "local": "1966-04-25T04:53:07+08:00", "utc": "1966-04-24T20:53:07Z", "ms": -116392012813.5761 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-24", "window": { "start": { "local": "1966-04-24T11:37:12+08:00", "utc": "1966-04-24T03:37:12Z", "ms": -116454168377.86938 }, "end": { "local": "1966-04-24T12:25:12+08:00", "utc": "1966-04-24T04:25:12Z", "ms": -116451288377.86938 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-04-25", "window": { "start": { "local": "1966-04-25T11:37:01+08:00", "utc": "1966-04-25T03:37:01Z", "ms": -116367779310.19357 }, "end": { "local": "1966-04-25T12:25:01+08:00", "utc": "1966-04-25T04:25:01Z", "ms": -116364899310.19357 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:27 on Sun 24 Apr to 04:53 on Mon 25 Apr.", "fact": "1966-04-23T21:26:48Z → 1966-04-24T20:53:07Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 24th, 11:37–12:25 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22224 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Sunday 24 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": "1966-04-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Sunday 24 April. Caturthī runs from 05:27 on Sun 24 Apr to 04:53 on Mon 25 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-04-24", "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/1966/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24234, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-04-25T04:53:07+08:00", "utc": "1966-04-24T20:53:07Z", "ms": -116392012813.5761 }, "end": { "local": "1966-04-26T03:54:58+08:00", "utc": "1966-04-25T19:54:58Z", "ms": -116309102406.98589 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-25T04:53:07+08:00", "utc": "1966-04-24T20:53:07Z", "ms": -116392012813.5761 }, "end": { "local": "1966-04-26T03:54:58+08:00", "utc": "1966-04-25T19:54:58Z", "ms": -116309102406.98589 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-25", "window": { "start": { "local": "1966-04-25T11:37:01+08:00", "utc": "1966-04-25T03:37:01Z", "ms": -116367779310.19357 }, "end": { "local": "1966-04-25T12:25:01+08:00", "utc": "1966-04-25T04:25:01Z", "ms": -116364899310.19357 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-04-26", "window": { "start": { "local": "1966-04-26T11:36:50+08:00", "utc": "1966-04-26T03:36:50Z", "ms": -116281389782.90121 }, "end": { "local": "1966-04-26T12:24:50+08:00", "utc": "1966-04-26T04:24:50Z", "ms": -116278509782.90121 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 04:53 on Mon 25 Apr to 03:55 on Tue 26 Apr.", "fact": "1966-04-24T20:53:07Z → 1966-04-25T19:54:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 25th, 11:37–12:25 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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 24234 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Fuzhou, 1966: Monday 25 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-04-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Śaṅkara Jayantī 1966 falls on Monday 25 April. Pañcamī runs from 04:53 on Mon 25 Apr to 03:55 on Tue 26 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-04-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32612, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-04-27T02:33:08+08:00", "utc": "1966-04-26T18:33:08Z", "ms": -116227612116.14594 }, "end": { "local": "1966-04-28T00:48:55+08:00", "utc": "1966-04-27T16:48:55Z", "ms": -116147465420.39452 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-27T02:33:08+08:00", "utc": "1966-04-26T18:33:08Z", "ms": -116227612116.14594 }, "end": { "local": "1966-04-28T00:48:55+08:00", "utc": "1966-04-27T16:48:55Z", "ms": -116147465420.39452 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-04-27", "window": { "start": { "local": "1966-04-27T11:36:40+08:00", "utc": "1966-04-27T03:36:40Z", "ms": -116194999788.0645 }, "end": { "local": "1966-04-27T12:24:40+08:00", "utc": "1966-04-27T04:24:40Z", "ms": -116192119788.0645 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-04-28", "window": { "start": { "local": "1966-04-28T11:36:31+08:00", "utc": "1966-04-28T03:36:31Z", "ms": -116108609317.49487 }, "end": { "local": "1966-04-28T12:24:31+08:00", "utc": "1966-04-28T04:24:31Z", "ms": -116105729317.49487 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:33 on Wed 27 Apr to 00:49 on Thu 28 Apr.", "fact": "1966-04-26T18:33:08Z → 1966-04-27T16:48:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 27th, 11:37–12:25 on the 28th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 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 32612 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Fuzhou, 1966: Wednesday 27 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": "1966-04-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-04-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 1966 falls on Wednesday 27 April. Saptamī runs from 02:33 on Wed 27 Apr to 00:49 on Thu 28 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-05-01", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34627, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-04-30T17:47:04+08:00", "utc": "1966-04-30T09:47:04Z", "ms": -115913576113.9762 }, "end": { "local": "1966-05-01T15:03:38+08:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-04-30T17:47:04+08:00", "utc": "1966-04-30T09:47:04Z", "ms": -115913576113.9762 }, "end": { "local": "1966-05-01T15:03:38+08:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-04-30", "window": { "start": { "local": "1966-04-30T05:27:19+08:00", "utc": "1966-04-29T21:27:19Z", "ms": -115957960928.86461 }, "end": { "local": "1966-04-30T05:27:19+08:00", "utc": "1966-04-29T21:27:19Z", "ms": -115957960928.86461 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-05-01", "window": { "start": { "local": "1966-05-01T05:26:32+08:00", "utc": "1966-04-30T21:26:32Z", "ms": -115871608317.12943 }, "end": { "local": "1966-05-01T05:26:32+08:00", "utc": "1966-04-30T21:26:32Z", "ms": -115871608317.12943 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:47 on Sat 30 Apr to 15:04 on Sun 1 May.", "fact": "1966-04-30T09:47:04Z → 1966-05-01T07:03:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:27 on the 30th and 05:27 on the 1st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34627 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Fuzhou, 1966: Sunday 1 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": "1966-05-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Mohinī Ekādaśī 1966 falls on Sunday 1 May. Ekādaśī runs from 17:47 on Sat 30 Apr to 15:04 on Sun 1 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-05-01", "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/1966/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 347, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-05-01T15:03:38+08:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "end": { "local": "1966-05-02T12:18:11+08:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-01T15:03:38+08:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "end": { "local": "1966-05-02T12:18:11+08:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-01", "window": { "start": { "local": "1966-05-01T11:36:05+08:00", "utc": "1966-05-01T03:36:05Z", "ms": -115849434961.85358 }, "end": { "local": "1966-05-01T12:24:05+08:00", "utc": "1966-05-01T04:24:05Z", "ms": -115846554961.85358 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-02", "window": { "start": { "local": "1966-05-02T11:35:58+08:00", "utc": "1966-05-02T03:35:58Z", "ms": -115763042495.76962 }, "end": { "local": "1966-05-02T12:23:58+08:00", "utc": "1966-05-02T04:23:58Z", "ms": -115760162495.76962 } }, "covered_min": 42, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:04 on Sun 1 May to 12:18 on Mon 2 May.", "fact": "1966-05-01T07:03:38Z → 1966-05-02T04:18:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 1st, 11:36–12:24 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 42 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 347 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Fuzhou, 1966: Monday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Dvādaśī 1966 falls on Monday 2 May. Dvādaśī runs from 15:04 on Sun 1 May to 12:18 on Mon 2 May and covers 42 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 347, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-05-01T15:03:38+08:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "end": { "local": "1966-05-02T12:18:11+08:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-01T15:03:38+08:00", "utc": "1966-05-01T07:03:38Z", "ms": -115836981588.35727 }, "end": { "local": "1966-05-02T12:18:11+08:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-01", "window": { "start": { "local": "1966-05-01T11:36:05+08:00", "utc": "1966-05-01T03:36:05Z", "ms": -115849434961.85358 }, "end": { "local": "1966-05-01T12:24:05+08:00", "utc": "1966-05-01T04:24:05Z", "ms": -115846554961.85358 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-02", "window": { "start": { "local": "1966-05-02T11:35:58+08:00", "utc": "1966-05-02T03:35:58Z", "ms": -115763042495.76962 }, "end": { "local": "1966-05-02T12:23:58+08:00", "utc": "1966-05-02T04:23:58Z", "ms": -115760162495.76962 } }, "covered_min": 42, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:04 on Sun 1 May to 12:18 on Mon 2 May.", "fact": "1966-05-01T07:03:38Z → 1966-05-02T04:18:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 1st, 11:36–12:24 on the 2nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 42 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 347 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Fuzhou, 1966: Monday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rukmini-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Rukmiṇī Dvādaśī 1966 falls on Monday 2 May. Dvādaśī runs from 15:04 on Sun 1 May to 12:18 on Mon 2 May and covers 42 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pradosha-vrata?on=1966-05-02", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22559, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-05-02T12:18:11+08:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 }, "end": { "local": "1966-05-03T09:37:34+08:00", "utc": "1966-05-03T01:37:34Z", "ms": -115683746058.34294 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-02T12:18:11+08:00", "utc": "1966-05-02T04:18:11Z", "ms": -115760509040.48111 }, "end": { "local": "1966-05-03T09:37:34+08:00", "utc": "1966-05-03T01:37:34Z", "ms": -115683746058.34294 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-05-02", "window": { "start": { "local": "1966-05-02T18:34:10+08:00", "utc": "1966-05-02T10:34:10Z", "ms": -115737950193.46188 }, "end": { "local": "1966-05-02T20:00:56+08:00", "utc": "1966-05-02T12:00:56Z", "ms": -115732743547.46684 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "1966-05-03", "window": { "start": { "local": "1966-05-03T18:34:41+08:00", "utc": "1966-05-03T10:34:41Z", "ms": -115651518661.40977 }, "end": { "local": "1966-05-03T20:01:18+08:00", "utc": "1966-05-03T12:01:18Z", "ms": -115646322165.9175 } }, "covered_min": 0, "window_min": 87, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 12:18 on Mon 2 May to 09:38 on Tue 3 May.", "fact": "1966-05-02T04:18:11Z → 1966-05-03T01:37:34Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:01 on the 2nd, 18:35–20:01 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 2nd and 0 of 87 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22559 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Monday 2 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": "1966-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Monday 2 May. Trayodaśī runs from 12:18 on Mon 2 May to 09:38 on Tue 3 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-05-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32227, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-05-03T09:37:34+08:00", "utc": "1966-05-03T01:37:34Z", "ms": -115683746058.34294 }, "end": { "local": "1966-05-04T07:09:09+08:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-03T09:37:34+08:00", "utc": "1966-05-03T01:37:34Z", "ms": -115683746058.34294 }, "end": { "local": "1966-05-04T07:09:09+08:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-05-03", "window": { "start": { "local": "1966-05-03T18:34:41+08:00", "utc": "1966-05-03T10:34:41Z", "ms": -115651518661.40977 }, "end": { "local": "1966-05-03T20:01:18+08:00", "utc": "1966-05-03T12:01:18Z", "ms": -115646322165.9175 } }, "covered_min": 87, "window_min": 87, "qualifies": true }, { "local_date": "1966-05-04", "window": { "start": { "local": "1966-05-04T18:35:13+08:00", "utc": "1966-05-04T10:35:13Z", "ms": -115565087012.18796 }, "end": { "local": "1966-05-04T20:01:39+08:00", "utc": "1966-05-04T12:01:39Z", "ms": -115559900552.60083 } }, "covered_min": 0, "window_min": 86, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:38 on Tue 3 May to 07:09 on Wed 4 May.", "fact": "1966-05-03T01:37:34Z → 1966-05-03T23:09:09Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:35–20:01 on the 3rd, 18:35–20:02 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 3rd and 0 of 86 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32227 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Fuzhou, 1966: Tuesday 3 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "nrisimha-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')." } ], "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.", "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1966 falls on Tuesday 3 May. Caturdaśī runs from 09:38 on Tue 3 May to 07:09 on Wed 4 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15995, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-05-04T07:09:09+08:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "end": { "local": "1966-05-05T05:00:28+08:00", "utc": "1966-05-04T21:00:28Z", "ms": -115527572373.22842 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-04T07:09:09+08:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "end": { "local": "1966-05-05T05:00:28+08:00", "utc": "1966-05-04T21:00:28Z", "ms": -115527572373.22842 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-04", "window": { "start": { "local": "1966-05-04T11:35:44+08:00", "utc": "1966-05-04T03:35:44Z", "ms": -115590255978.70282 }, "end": { "local": "1966-05-04T12:23:44+08:00", "utc": "1966-05-04T04:23:44Z", "ms": -115587375978.70282 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-05", "window": { "start": { "local": "1966-05-05T11:35:38+08:00", "utc": "1966-05-05T03:35:38Z", "ms": -115503861906.768 }, "end": { "local": "1966-05-05T12:23:38+08:00", "utc": "1966-05-05T04:23:38Z", "ms": -115500981906.768 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:09 on Wed 4 May to 05:00 on Thu 5 May.", "fact": "1966-05-03T23:09:09Z → 1966-05-04T21:00:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 4th, 11:36–12:24 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15995 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Fuzhou, 1966: Wednesday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "buddha-purnima", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Buddha Pūrṇimā 1966 falls on Wednesday 4 May. Pūrṇimā runs from 07:09 on Wed 4 May to 05:00 on Thu 5 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15995, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-05-04T07:09:09+08:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "end": { "local": "1966-05-05T05:00:28+08:00", "utc": "1966-05-04T21:00:28Z", "ms": -115527572373.22842 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-04T07:09:09+08:00", "utc": "1966-05-03T23:09:09Z", "ms": -115606250843.65822 }, "end": { "local": "1966-05-05T05:00:28+08:00", "utc": "1966-05-04T21:00:28Z", "ms": -115527572373.22842 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-04", "window": { "start": { "local": "1966-05-04T11:35:44+08:00", "utc": "1966-05-04T03:35:44Z", "ms": -115590255978.70282 }, "end": { "local": "1966-05-04T12:23:44+08:00", "utc": "1966-05-04T04:23:44Z", "ms": -115587375978.70282 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-05", "window": { "start": { "local": "1966-05-05T11:35:38+08:00", "utc": "1966-05-05T03:35:38Z", "ms": -115503861906.768 }, "end": { "local": "1966-05-05T12:23:38+08:00", "utc": "1966-05-05T04:23:38Z", "ms": -115500981906.768 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:09 on Wed 4 May to 05:00 on Thu 5 May.", "fact": "1966-05-03T23:09:09Z → 1966-05-04T21:00:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 4th, 11:36–12:24 on the 5th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15995 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Fuzhou, 1966: Wednesday 4 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sampat-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Sampat Gaurī Vrata 1966 falls on Wednesday 4 May. Pūrṇimā runs from 07:09 on Wed 4 May to 05:00 on Thu 5 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-05-08", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13023, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-05-08T01:40:33+08:00", "utc": "1966-05-07T17:40:33Z", "ms": -115280366714.20312 }, "end": { "local": "1966-05-09T01:51:50+08:00", "utc": "1966-05-08T17:51:50Z", "ms": -115193289752.45798 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-08T01:40:33+08:00", "utc": "1966-05-07T17:40:33Z", "ms": -115280366714.20312 }, "end": { "local": "1966-05-09T01:51:50+08:00", "utc": "1966-05-08T17:51:50Z", "ms": -115193289752.45798 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-05-07", "window": { "start": { "local": "1966-05-07T21:15:48+08:00", "utc": "1966-05-07T13:15:48Z", "ms": -115296252289.76102 }, "end": { "local": "1966-05-07T21:15:48+08:00", "utc": "1966-05-07T13:15:48Z", "ms": -115296252289.76102 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-05-08", "window": { "start": { "local": "1966-05-08T22:14:48+08:00", "utc": "1966-05-08T14:14:48Z", "ms": -115206312389.60924 }, "end": { "local": "1966-05-08T22:14:48+08:00", "utc": "1966-05-08T14:14:48Z", "ms": -115206312389.60924 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:41 on Sun 8 May to 01:52 on Mon 9 May.", "fact": "1966-05-07T17:40:33Z → 1966-05-08T17:51:50Z" }, { "step": "kaala", "text": "Moonrise is at 21:16 on the 7th and 22:15 on the 8th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13023 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Sunday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Sunday 8 May. Caturthī runs from 01:41 on Sun 8 May to 01:52 on Mon 9 May and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-05-08", "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/1966/ekadashi?on=1966-05-16", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28191, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-05-15T13:07:05+08:00", "utc": "1966-05-15T05:07:05Z", "ms": -114634374963.5283 }, "end": { "local": "1966-05-16T15:03:50+08:00", "utc": "1966-05-16T07:03:50Z", "ms": -114540969620.36116 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-15T13:07:05+08:00", "utc": "1966-05-15T05:07:05Z", "ms": -114634374963.5283 }, "end": { "local": "1966-05-16T15:03:50+08:00", "utc": "1966-05-16T07:03:50Z", "ms": -114540969620.36116 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-05-15", "window": { "start": { "local": "1966-05-15T05:17:14+08:00", "utc": "1966-05-14T21:17:14Z", "ms": -114662566455.94785 }, "end": { "local": "1966-05-15T05:17:14+08:00", "utc": "1966-05-14T21:17:14Z", "ms": -114662566455.94785 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-05-16", "window": { "start": { "local": "1966-05-16T05:16:42+08:00", "utc": "1966-05-15T21:16:42Z", "ms": -114576198019.24635 }, "end": { "local": "1966-05-16T05:16:42+08:00", "utc": "1966-05-15T21:16:42Z", "ms": -114576198019.24635 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:07 on Sun 15 May to 15:04 on Mon 16 May.", "fact": "1966-05-15T05:07:05Z → 1966-05-16T07:03:50Z" }, { "step": "kaala", "text": "Sunrise is at 05:17 on the 15th and 05:17 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28191 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Fuzhou, 1966: Monday 16 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": "1966-05-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Aparā Ekādaśī 1966 falls on Monday 16 May. Ekādaśī runs from 13:07 on Sun 15 May to 15:04 on Mon 16 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-05-16", "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/1966/pradosha-vrata?on=1966-05-17", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4339, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-05-17T16:33:21+08:00", "utc": "1966-05-17T08:33:21Z", "ms": -114449199301.54309 }, "end": { "local": "1966-05-18T17:30:25+08:00", "utc": "1966-05-18T09:30:25Z", "ms": -114359374593.31361 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-17T16:33:21+08:00", "utc": "1966-05-17T08:33:21Z", "ms": -114449199301.54309 }, "end": { "local": "1966-05-18T17:30:25+08:00", "utc": "1966-05-18T09:30:25Z", "ms": -114359374593.31361 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-05-17", "window": { "start": { "local": "1966-05-17T18:42:12+08:00", "utc": "1966-05-17T10:42:12Z", "ms": -114441468209.44144 }, "end": { "local": "1966-05-17T20:06:40+08:00", "utc": "1966-05-17T12:06:40Z", "ms": -114436400123.49088 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1966-05-18", "window": { "start": { "local": "1966-05-18T18:42:44+08:00", "utc": "1966-05-18T10:42:44Z", "ms": -114355035908.20782 }, "end": { "local": "1966-05-18T20:07:04+08:00", "utc": "1966-05-18T12:07:04Z", "ms": -114349975857.39844 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:33 on Tue 17 May to 17:30 on Wed 18 May.", "fact": "1966-05-17T08:33:21Z → 1966-05-18T09:30:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:07 on the 17th, 18:43–20:07 on the 18th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 17th and 0 of 84 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4339 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Tuesday 17 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": "1966-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Tuesday 17 May. Trayodaśī runs from 16:33 on Tue 17 May to 17:30 on Wed 18 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-05-17", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/shivaratri?on=1966-05-18", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20514, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-05-18T17:30:25+08:00", "utc": "1966-05-18T09:30:25Z", "ms": -114359374593.31361 }, "end": { "local": "1966-05-19T17:53:08+08:00", "utc": "1966-05-19T09:53:08Z", "ms": -114271611568.34929 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-18T17:30:25+08:00", "utc": "1966-05-18T09:30:25Z", "ms": -114359374593.31361 }, "end": { "local": "1966-05-19T17:53:08+08:00", "utc": "1966-05-19T09:53:08Z", "ms": -114271611568.34929 } }, "kaala": "nishita", "days": [ { "local_date": "1966-05-18", "window": { "start": { "local": "1966-05-18T23:34:59+08:00", "utc": "1966-05-18T15:34:59Z", "ms": -114337500717.6726 }, "end": { "local": "1966-05-19T00:22:59+08:00", "utc": "1966-05-18T16:22:59Z", "ms": -114334620717.6726 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-19", "window": { "start": { "local": "1966-05-19T23:35:02+08:00", "utc": "1966-05-19T15:35:02Z", "ms": -114251097982.5143 }, "end": { "local": "1966-05-20T00:23:02+08:00", "utc": "1966-05-19T16:23:02Z", "ms": -114248217982.5143 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:30 on Wed 18 May to 17:53 on Thu 19 May.", "fact": "1966-05-18T09:30:25Z → 1966-05-19T09:53:08Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 18th, 23:35–00:23 on the 19th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20514 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Wednesday 18 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": "1966-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Wednesday 18 May. Caturdaśī runs from 17:30 on Wed 18 May to 17:53 on Thu 19 May and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-05-18", "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/1966/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6992, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-05-22T15:51:29+08:00", "utc": "1966-05-22T07:51:29Z", "ms": -114019711467.20358 }, "end": { "local": "1966-05-23T14:20:01+08:00", "utc": "1966-05-23T06:20:01Z", "ms": -113938798750.83058 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-22T15:51:29+08:00", "utc": "1966-05-22T07:51:29Z", "ms": -114019711467.20358 }, "end": { "local": "1966-05-23T14:20:01+08:00", "utc": "1966-05-23T06:20:01Z", "ms": -113938798750.83058 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-22", "window": { "start": { "local": "1966-05-22T11:35:25+08:00", "utc": "1966-05-22T03:35:25Z", "ms": -114035074956.65266 }, "end": { "local": "1966-05-22T12:23:25+08:00", "utc": "1966-05-22T04:23:25Z", "ms": -114032194956.65266 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-23", "window": { "start": { "local": "1966-05-23T11:35:29+08:00", "utc": "1966-05-23T03:35:29Z", "ms": -113948670685.5996 }, "end": { "local": "1966-05-23T12:23:29+08:00", "utc": "1966-05-23T04:23:29Z", "ms": -113945790685.5996 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 15:51 on Sun 22 May to 14:20 on Mon 23 May.", "fact": "1966-05-22T07:51:29Z → 1966-05-23T06:20:01Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 22nd, 11:35–12:23 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 6992 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Fuzhou, 1966: Monday 23 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Rambhā Tṛtīyā 1966 falls on Monday 23 May. Tṛtīyā runs from 15:51 on Sun 22 May to 14:20 on Mon 23 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-05-24", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 428, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-05-23T14:20:01+08:00", "utc": "1966-05-23T06:20:01Z", "ms": -113938798750.83058 }, "end": { "local": "1966-05-24T12:30:42+08:00", "utc": "1966-05-24T04:30:42Z", "ms": -113858958147.18144 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-23T14:20:01+08:00", "utc": "1966-05-23T06:20:01Z", "ms": -113938798750.83058 }, "end": { "local": "1966-05-24T12:30:42+08:00", "utc": "1966-05-24T04:30:42Z", "ms": -113858958147.18144 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-23", "window": { "start": { "local": "1966-05-23T11:35:29+08:00", "utc": "1966-05-23T03:35:29Z", "ms": -113948670685.5996 }, "end": { "local": "1966-05-23T12:23:29+08:00", "utc": "1966-05-23T04:23:29Z", "ms": -113945790685.5996 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-24", "window": { "start": { "local": "1966-05-24T11:35:34+08:00", "utc": "1966-05-24T03:35:34Z", "ms": -113862265909.56598 }, "end": { "local": "1966-05-24T12:23:34+08:00", "utc": "1966-05-24T04:23:34Z", "ms": -113859385909.56598 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:20 on Mon 23 May to 12:31 on Tue 24 May.", "fact": "1966-05-23T06:20:01Z → 1966-05-24T04:30:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 23rd, 11:36–12:24 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 428 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Tuesday 24 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Tuesday 24 May. Caturthī runs from 14:20 on Mon 23 May to 12:31 on Tue 24 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-05-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4056, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-05-25T10:28:03+08:00", "utc": "1966-05-25T02:28:03Z", "ms": -113779916761.33739 }, "end": { "local": "1966-05-26T08:16:20+08:00", "utc": "1966-05-26T00:16:20Z", "ms": -113701419563.88333 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-25T10:28:03+08:00", "utc": "1966-05-25T02:28:03Z", "ms": -113779916761.33739 }, "end": { "local": "1966-05-26T08:16:20+08:00", "utc": "1966-05-26T00:16:20Z", "ms": -113701419563.88333 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-25", "window": { "start": { "local": "1966-05-25T11:35:39+08:00", "utc": "1966-05-25T03:35:39Z", "ms": -113775860642.1907 }, "end": { "local": "1966-05-25T12:23:39+08:00", "utc": "1966-05-25T04:23:39Z", "ms": -113772980642.1907 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-26", "window": { "start": { "local": "1966-05-26T11:35:45+08:00", "utc": "1966-05-26T03:35:45Z", "ms": -113689454897.0397 }, "end": { "local": "1966-05-26T12:23:45+08:00", "utc": "1966-05-26T04:23:45Z", "ms": -113686574897.0397 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:28 on Wed 25 May to 08:16 on Thu 26 May.", "fact": "1966-05-25T02:28:03Z → 1966-05-26T00:16:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 25th, 11:36–12:24 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4056 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Fuzhou, 1966: Wednesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Araṇya Gaurī Vrata 1966 falls on Wednesday 25 May. Ṣaṣṭhī runs from 10:28 on Wed 25 May to 08:16 on Thu 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4056, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-05-25T10:28:03+08:00", "utc": "1966-05-25T02:28:03Z", "ms": -113779916761.33739 }, "end": { "local": "1966-05-26T08:16:20+08:00", "utc": "1966-05-26T00:16:20Z", "ms": -113701419563.88333 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-25T10:28:03+08:00", "utc": "1966-05-25T02:28:03Z", "ms": -113779916761.33739 }, "end": { "local": "1966-05-26T08:16:20+08:00", "utc": "1966-05-26T00:16:20Z", "ms": -113701419563.88333 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-25", "window": { "start": { "local": "1966-05-25T11:35:39+08:00", "utc": "1966-05-25T03:35:39Z", "ms": -113775860642.1907 }, "end": { "local": "1966-05-25T12:23:39+08:00", "utc": "1966-05-25T04:23:39Z", "ms": -113772980642.1907 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-05-26", "window": { "start": { "local": "1966-05-26T11:35:45+08:00", "utc": "1966-05-26T03:35:45Z", "ms": -113689454897.0397 }, "end": { "local": "1966-05-26T12:23:45+08:00", "utc": "1966-05-26T04:23:45Z", "ms": -113686574897.0397 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 10:28 on Wed 25 May to 08:16 on Thu 26 May.", "fact": "1966-05-25T02:28:03Z → 1966-05-26T00:16:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 25th, 11:36–12:24 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 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 4056 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 1966: Wednesday 25 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-05-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1966 falls on Wednesday 25 May. Ṣaṣṭhī runs from 10:28 on Wed 25 May to 08:16 on Thu 26 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-05-30", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21525, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-05-29T23:12:44+08:00", "utc": "1966-05-29T15:12:44Z", "ms": -113388436373.73048 }, "end": { "local": "1966-05-30T21:09:42+08:00", "utc": "1966-05-30T13:09:42Z", "ms": -113309418317.92455 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-29T23:12:44+08:00", "utc": "1966-05-29T15:12:44Z", "ms": -113388436373.73048 }, "end": { "local": "1966-05-30T21:09:42+08:00", "utc": "1966-05-30T13:09:42Z", "ms": -113309418317.92455 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-05-30", "window": { "start": { "local": "1966-05-30T05:11:28+08:00", "utc": "1966-05-29T21:11:28Z", "ms": -113366911798.20277 }, "end": { "local": "1966-05-30T05:11:28+08:00", "utc": "1966-05-29T21:11:28Z", "ms": -113366911798.20277 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-05-31", "window": { "start": { "local": "1966-05-31T05:11:15+08:00", "utc": "1966-05-30T21:11:15Z", "ms": -113280524901.70886 }, "end": { "local": "1966-05-31T05:11:15+08:00", "utc": "1966-05-30T21:11:15Z", "ms": -113280524901.70886 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:13 on Sun 29 May to 21:10 on Mon 30 May.", "fact": "1966-05-29T15:12:44Z → 1966-05-30T13:09:42Z" }, { "step": "kaala", "text": "Sunrise is at 05:11 on the 30th and 05:11 on the 31st.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 21525 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Fuzhou, 1966: Monday 30 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": "1966-05-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Nirjalā Ekādaśī 1966 falls on Monday 30 May. Ekādaśī runs from 23:13 on Sun 29 May to 21:10 on Mon 30 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-05-30", "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/1966/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24871, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-05-30T21:09:42+08:00", "utc": "1966-05-30T13:09:42Z", "ms": -113309418317.92455 }, "end": { "local": "1966-05-31T19:18:52+08:00", "utc": "1966-05-31T11:18:52Z", "ms": -113229668370.61728 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-30T21:09:42+08:00", "utc": "1966-05-30T13:09:42Z", "ms": -113309418317.92455 }, "end": { "local": "1966-05-31T19:18:52+08:00", "utc": "1966-05-31T11:18:52Z", "ms": -113229668370.61728 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-05-30", "window": { "start": { "local": "1966-05-30T11:36:13+08:00", "utc": "1966-05-30T03:36:13Z", "ms": -113343827394.95511 }, "end": { "local": "1966-05-30T12:24:13+08:00", "utc": "1966-05-30T04:24:13Z", "ms": -113340947394.95511 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-05-31", "window": { "start": { "local": "1966-05-31T11:36:21+08:00", "utc": "1966-05-31T03:36:21Z", "ms": -113257419448.76086 }, "end": { "local": "1966-05-31T12:24:21+08:00", "utc": "1966-05-31T04:24:21Z", "ms": -113254539448.76086 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 21:10 on Mon 30 May to 19:19 on Tue 31 May.", "fact": "1966-05-30T13:09:42Z → 1966-05-31T11:18:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 30th, 11:36–12:24 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24871 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Fuzhou, 1966: Tuesday 31 May.", "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": "1966-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Rāma Dvādaśī 1966 falls on Tuesday 31 May. Dvādaśī runs from 21:10 on Mon 30 May to 19:19 on Tue 31 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pradosha-vrata?on=1966-05-31", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1766, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-05-31T19:18:52+08:00", "utc": "1966-05-31T11:18:52Z", "ms": -113229668370.61728 }, "end": { "local": "1966-06-01T17:44:11+08:00", "utc": "1966-06-01T09:44:11Z", "ms": -113148949194.54811 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-05-31T19:18:52+08:00", "utc": "1966-05-31T11:18:52Z", "ms": -113229668370.61728 }, "end": { "local": "1966-06-01T17:44:11+08:00", "utc": "1966-06-01T09:44:11Z", "ms": -113148949194.54811 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-05-31", "window": { "start": { "local": "1966-05-31T18:49:26+08:00", "utc": "1966-05-31T10:49:26Z", "ms": -113231433995.81287 }, "end": { "local": "1966-05-31T20:12:19+08:00", "utc": "1966-05-31T12:12:19Z", "ms": -113226461030.04906 } }, "covered_min": 53, "window_min": 83, "qualifies": true }, { "local_date": "1966-06-01", "window": { "start": { "local": "1966-06-01T18:49:55+08:00", "utc": "1966-06-01T10:49:55Z", "ms": -113145005441.58916 }, "end": { "local": "1966-06-01T20:12:42+08:00", "utc": "1966-06-01T12:12:42Z", "ms": -113140037696.07753 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:19 on Tue 31 May to 17:44 on Wed 1 Jun.", "fact": "1966-05-31T11:18:52Z → 1966-06-01T09:44:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:12 on the 31st, 18:50–20:13 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 53 of 83 minutes on the 31st and 0 of 83 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1766 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Tuesday 31 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": "1966-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-05-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Tuesday 31 May. Trayodaśī runs from 19:19 on Tue 31 May to 17:44 on Wed 1 Jun and covers 53 of 83 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-05-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8431, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-06-02T16:29:52+08:00", "utc": "1966-06-02T08:29:52Z", "ms": -113067008110.13585 }, "end": { "local": "1966-06-03T15:40:12+08:00", "utc": "1966-06-03T07:40:12Z", "ms": -112983587810.26422 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-02T16:29:52+08:00", "utc": "1966-06-02T08:29:52Z", "ms": -113067008110.13585 }, "end": { "local": "1966-06-03T15:40:12+08:00", "utc": "1966-06-03T07:40:12Z", "ms": -112983587810.26422 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-06-02", "window": { "start": { "local": "1966-06-02T18:50:23+08:00", "utc": "1966-06-02T10:50:23Z", "ms": -113058577352.58958 }, "end": { "local": "1966-06-02T20:13:05+08:00", "utc": "1966-06-02T12:13:05Z", "ms": -113053614598.22542 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1966-06-03", "window": { "start": { "local": "1966-06-03T18:50:50+08:00", "utc": "1966-06-03T10:50:50Z", "ms": -112972149752.5969 }, "end": { "local": "1966-06-03T20:13:28+08:00", "utc": "1966-06-03T12:13:28Z", "ms": -112967191757.23787 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 16:30 on Thu 2 Jun to 15:40 on Fri 3 Jun.", "fact": "1966-06-02T08:29:52Z → 1966-06-03T07:40:12Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:13 on the 2nd, 18:51–20:13 on the 3rd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 83 of 83 minutes on the 2nd and 0 of 83 on the 3rd.", "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 8431 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 1966: Thursday 2 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": "1966-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 1966 falls on Thursday 2 June. Pūrṇimā runs from 16:30 on Thu 2 Jun to 15:40 on Fri 3 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-06-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18085, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-06-06T16:14:35+08:00", "utc": "1966-06-06T08:14:35Z", "ms": -112722325020.6411 }, "end": { "local": "1966-06-07T17:32:00+08:00", "utc": "1966-06-07T09:32:00Z", "ms": -112631279755.01491 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-06T16:14:35+08:00", "utc": "1966-06-06T08:14:35Z", "ms": -112722325020.6411 }, "end": { "local": "1966-06-07T17:32:00+08:00", "utc": "1966-06-07T09:32:00Z", "ms": -112631279755.01491 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-06-06", "window": { "start": { "local": "1966-06-06T21:48:31+08:00", "utc": "1966-06-06T13:48:31Z", "ms": -112702289393.09868 }, "end": { "local": "1966-06-06T21:48:31+08:00", "utc": "1966-06-06T13:48:31Z", "ms": -112702289393.09868 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-06-07", "window": { "start": { "local": "1966-06-07T22:33:25+08:00", "utc": "1966-06-07T14:33:25Z", "ms": -112613195061.9907 }, "end": { "local": "1966-06-07T22:33:25+08:00", "utc": "1966-06-07T14:33:25Z", "ms": -112613195061.9907 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:15 on Mon 6 Jun to 17:32 on Tue 7 Jun.", "fact": "1966-06-06T08:14:35Z → 1966-06-07T09:32:00Z" }, { "step": "kaala", "text": "Moonrise is at 21:49 on the 6th and 22:33 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 6th and is not on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 18085 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Monday 6 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": "1966-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Monday 6 June. Caturthī runs from 16:15 on Mon 6 Jun to 17:32 on Tue 7 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-06-06", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/ekadashi?on=1966-06-15", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2260, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-06-14T05:48:02+08:00", "utc": "1966-06-13T21:48:02Z", "ms": -112068718176.57764 }, "end": { "local": "1966-06-15T06:49:38+08:00", "utc": "1966-06-14T22:49:38Z", "ms": -111978622369.96794 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-14T05:48:02+08:00", "utc": "1966-06-13T21:48:02Z", "ms": -112068718176.57764 }, "end": { "local": "1966-06-15T06:49:38+08:00", "utc": "1966-06-14T22:49:38Z", "ms": -111978622369.96794 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-06-14", "window": { "start": { "local": "1966-06-14T05:10:22+08:00", "utc": "1966-06-13T21:10:22Z", "ms": -112070977947.56151 }, "end": { "local": "1966-06-14T05:10:22+08:00", "utc": "1966-06-13T21:10:22Z", "ms": -112070977947.56151 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-06-15", "window": { "start": { "local": "1966-06-15T05:10:27+08:00", "utc": "1966-06-14T21:10:27Z", "ms": -111984572701.97717 }, "end": { "local": "1966-06-15T05:10:27+08:00", "utc": "1966-06-14T21:10:27Z", "ms": -111984572701.97717 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:48 on Tue 14 Jun to 06:50 on Wed 15 Jun.", "fact": "1966-06-13T21:48:02Z → 1966-06-14T22:49:38Z" }, { "step": "kaala", "text": "Sunrise is at 05:10 on the 14th and 05:10 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2260 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Fuzhou, 1966: Wednesday 15 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Yoginī Ekādaśī 1966 falls on Wednesday 15 June. Ekādaśī runs from 05:48 on Tue 14 Jun to 06:50 on Wed 15 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-06-15", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/pradosha-vrata?on=1966-06-16", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37824, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-06-16T07:10:08+08:00", "utc": "1966-06-15T23:10:08Z", "ms": -111890992265.82098 }, "end": { "local": "1966-06-17T06:48:15+08:00", "utc": "1966-06-16T22:48:15Z", "ms": -111805904598.86412 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-16T07:10:08+08:00", "utc": "1966-06-15T23:10:08Z", "ms": -111890992265.82098 }, "end": { "local": "1966-06-17T06:48:15+08:00", "utc": "1966-06-16T22:48:15Z", "ms": -111805904598.86412 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-06-15", "window": { "start": { "local": "1966-06-15T18:55:34+08:00", "utc": "1966-06-15T10:55:34Z", "ms": -111935066251.17584 }, "end": { "local": "1966-06-15T20:17:34+08:00", "utc": "1966-06-15T12:17:34Z", "ms": -111930146260.82217 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1966-06-16", "window": { "start": { "local": "1966-06-16T18:55:53+08:00", "utc": "1966-06-16T10:55:53Z", "ms": -111848647459.33646 }, "end": { "local": "1966-06-16T20:17:51+08:00", "utc": "1966-06-16T12:17:51Z", "ms": -111843728975.7728 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:10 on Thu 16 Jun to 06:48 on Fri 17 Jun.", "fact": "1966-06-15T23:10:08Z → 1966-06-16T22:48:15Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:18 on the 15th, 18:56–20:18 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 15th and 82 of 82 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37824 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Thursday 16 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Thursday 16 June. Trayodaśī runs from 07:10 on Thu 16 Jun to 06:48 on Fri 17 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-06-16", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/shivaratri?on=1966-06-17", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19122, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-06-17T06:48:15+08:00", "utc": "1966-06-16T22:48:15Z", "ms": -111805904598.86412 }, "end": { "local": "1966-06-18T05:46:12+08:00", "utc": "1966-06-17T21:46:12Z", "ms": -111723228222.23705 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-17T06:48:15+08:00", "utc": "1966-06-16T22:48:15Z", "ms": -111805904598.86412 }, "end": { "local": "1966-06-18T05:46:12+08:00", "utc": "1966-06-17T21:46:12Z", "ms": -111723228222.23705 } }, "kaala": "nishita", "days": [ { "local_date": "1966-06-16", "window": { "start": { "local": "1966-06-16T23:39:17+08:00", "utc": "1966-06-16T15:39:17Z", "ms": -111831643145.97273 }, "end": { "local": "1966-06-17T00:27:17+08:00", "utc": "1966-06-16T16:27:17Z", "ms": -111828763145.97273 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-06-17", "window": { "start": { "local": "1966-06-17T23:39:30+08:00", "utc": "1966-06-17T15:39:30Z", "ms": -111745229900.85098 }, "end": { "local": "1966-06-18T00:27:30+08:00", "utc": "1966-06-17T16:27:30Z", "ms": -111742349900.85098 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 06:48 on Fri 17 Jun to 05:46 on Sat 18 Jun.", "fact": "1966-06-16T22:48:15Z → 1966-06-17T21:46:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 16th, 23:40–00:28 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19122 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Friday 17 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Friday 17 June. Caturdaśī runs from 06:48 on Fri 17 Jun to 05:46 on Sat 18 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-06-17", "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/1966/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34644, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1966-06-20T02:02:40+08:00", "utc": "1966-06-19T18:02:40Z", "ms": -111563839671.85411 }, "end": { "local": "1966-06-20T23:35:28+08:00", "utc": "1966-06-20T15:35:28Z", "ms": -111486271553.98734 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-20T02:02:40+08:00", "utc": "1966-06-19T18:02:40Z", "ms": -111563839671.85411 }, "end": { "local": "1966-06-20T23:35:28+08:00", "utc": "1966-06-20T15:35:28Z", "ms": -111486271553.98734 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-06-20", "window": { "start": { "local": "1966-06-20T11:40:04+08:00", "utc": "1966-06-20T03:40:04Z", "ms": -111529195672.55408 }, "end": { "local": "1966-06-20T12:28:04+08:00", "utc": "1966-06-20T04:28:04Z", "ms": -111526315672.55408 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-06-21", "window": { "start": { "local": "1966-06-21T11:40:17+08:00", "utc": "1966-06-21T03:40:17Z", "ms": -111442782789.31485 }, "end": { "local": "1966-06-21T12:28:17+08:00", "utc": "1966-06-21T04:28:17Z", "ms": -111439902789.31485 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 02:03 on Mon 20 Jun to 23:35 on Mon 20 Jun.", "fact": "1966-06-19T18:02:40Z → 1966-06-20T15:35:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 20th, 11:40–12:28 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34644 s" }, { "step": "ruling", "text": "Rathayātrā, Fuzhou, 1966: Monday 20 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Rathayātrā 1966 falls on Monday 20 June. Dvitīyā runs from 02:03 on Mon 20 Jun to 23:35 on Mon 20 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-06-22", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20464, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-06-21T20:55:10+08:00", "utc": "1966-06-21T12:55:10Z", "ms": -111409489528.07985 }, "end": { "local": "1966-06-22T18:09:34+08:00", "utc": "1966-06-22T10:09:34Z", "ms": -111333026211.21393 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-21T20:55:10+08:00", "utc": "1966-06-21T12:55:10Z", "ms": -111409489528.07985 }, "end": { "local": "1966-06-22T18:09:34+08:00", "utc": "1966-06-22T10:09:34Z", "ms": -111333026211.21393 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-06-21", "window": { "start": { "local": "1966-06-21T11:40:17+08:00", "utc": "1966-06-21T03:40:17Z", "ms": -111442782789.31485 }, "end": { "local": "1966-06-21T12:28:17+08:00", "utc": "1966-06-21T04:28:17Z", "ms": -111439902789.31485 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-06-22", "window": { "start": { "local": "1966-06-22T11:40:30+08:00", "utc": "1966-06-22T03:40:30Z", "ms": -111356369932.45702 }, "end": { "local": "1966-06-22T12:28:30+08:00", "utc": "1966-06-22T04:28:30Z", "ms": -111353489932.45702 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:55 on Tue 21 Jun to 18:10 on Wed 22 Jun.", "fact": "1966-06-21T12:55:10Z → 1966-06-22T10:09:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 21st, 11:41–12:29 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20464 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Wednesday 22 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": "1966-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Wednesday 22 June. Caturthī runs from 20:55 on Tue 21 Jun to 18:10 on Wed 22 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-06-22", "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/1966/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10626, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-06-22T18:09:34+08:00", "utc": "1966-06-22T10:09:34Z", "ms": -111333026211.21393 }, "end": { "local": "1966-06-23T15:25:49+08:00", "utc": "1966-06-23T07:25:49Z", "ms": -111256451205.13573 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-22T18:09:34+08:00", "utc": "1966-06-22T10:09:34Z", "ms": -111333026211.21393 }, "end": { "local": "1966-06-23T15:25:49+08:00", "utc": "1966-06-23T07:25:49Z", "ms": -111256451205.13573 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-06-22", "window": { "start": { "local": "1966-06-22T11:40:30+08:00", "utc": "1966-06-22T03:40:30Z", "ms": -111356369932.45702 }, "end": { "local": "1966-06-22T12:28:30+08:00", "utc": "1966-06-22T04:28:30Z", "ms": -111353489932.45702 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-06-23", "window": { "start": { "local": "1966-06-23T11:40:43+08:00", "utc": "1966-06-23T03:40:43Z", "ms": -111269957130.07979 }, "end": { "local": "1966-06-23T12:28:43+08:00", "utc": "1966-06-23T04:28:43Z", "ms": -111267077130.07979 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 18:10 on Wed 22 Jun to 15:26 on Thu 23 Jun.", "fact": "1966-06-22T10:09:34Z → 1966-06-23T07:25:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 22nd, 11:41–12:29 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10626 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Fuzhou, 1966: Thursday 23 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Pañcamī 1966 falls on Thursday 23 June. Pañcamī runs from 18:10 on Wed 22 Jun to 15:26 on Thu 23 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1273, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-06-24T12:50:09+08:00", "utc": "1966-06-24T04:50:09Z", "ms": -111179391297.52942 }, "end": { "local": "1966-06-25T10:27:35+08:00", "utc": "1966-06-25T02:27:35Z", "ms": -111101544698.62543 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-24T12:50:09+08:00", "utc": "1966-06-24T04:50:09Z", "ms": -111179391297.52942 }, "end": { "local": "1966-06-25T10:27:35+08:00", "utc": "1966-06-25T02:27:35Z", "ms": -111101544698.62543 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-06-24", "window": { "start": { "local": "1966-06-24T11:40:56+08:00", "utc": "1966-06-24T03:40:56Z", "ms": -111183544409.02277 }, "end": { "local": "1966-06-24T12:28:56+08:00", "utc": "1966-06-24T04:28:56Z", "ms": -111180664409.02277 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-06-25", "window": { "start": { "local": "1966-06-25T11:41:08+08:00", "utc": "1966-06-25T03:41:08Z", "ms": -111097131794.61588 }, "end": { "local": "1966-06-25T12:29:08+08:00", "utc": "1966-06-25T04:29:08Z", "ms": -111094251794.61588 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 12:50 on Fri 24 Jun to 10:28 on Sat 25 Jun.", "fact": "1966-06-24T04:50:09Z → 1966-06-25T02:27:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 24th, 11:41–12:29 on the 25th.", "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 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: purvaviddha → second-day · margin 1273 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Fuzhou, 1966: Saturday 25 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-06-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Vivasvat Saptamī 1966 falls on Saturday 25 June. Saptamī runs from 12:50 on Fri 24 Jun to 10:28 on Sat 25 Jun, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-06-28", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-28", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 201, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-06-28T05:09:49+08:00", "utc": "1966-06-27T21:09:49Z", "ms": -110861411365.8179 }, "end": { "local": "1966-06-29T04:05:39+08:00", "utc": "1966-06-28T20:05:39Z", "ms": -110778860896.36487 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-28T05:09:49+08:00", "utc": "1966-06-27T21:09:49Z", "ms": -110861411365.8179 }, "end": { "local": "1966-06-29T04:05:39+08:00", "utc": "1966-06-28T20:05:39Z", "ms": -110778860896.36487 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-06-28", "window": { "start": { "local": "1966-06-28T05:13:10+08:00", "utc": "1966-06-27T21:13:10Z", "ms": -110861210397.12645 }, "end": { "local": "1966-06-28T05:13:10+08:00", "utc": "1966-06-27T21:13:10Z", "ms": -110861210397.12645 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-06-29", "window": { "start": { "local": "1966-06-29T05:13:28+08:00", "utc": "1966-06-28T21:13:28Z", "ms": -110774791606.59799 }, "end": { "local": "1966-06-29T05:13:28+08:00", "utc": "1966-06-28T21:13:28Z", "ms": -110774791606.59799 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:10 on Tue 28 Jun to 04:06 on Wed 29 Jun.", "fact": "1966-06-27T21:09:49Z → 1966-06-28T20:05:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:13 on the 28th and 05:13 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 28th and is not on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 201 s < 300 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Fuzhou, 1966: Tuesday 28 June.", "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": "1966-06-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-28", "confidence": "boundary" } ], "quote": "In Fuzhou, Hariśayanī Ekādaśī 1966 falls on Tuesday 28 June. Ekādaśī runs from 05:10 on Tue 28 Jun to 04:06 on Wed 29 Jun and is current at sunrise that day. It is 3 min 21 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-06-28", "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/1966/pradosha-vrata?on=1966-06-30", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-06-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24198, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-06-30T03:23:29+08:00", "utc": "1966-06-29T19:23:29Z", "ms": -110694991243.71344 }, "end": { "local": "1966-07-01T03:03:53+08:00", "utc": "1966-06-30T19:03:53Z", "ms": -110609766760.06142 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-06-30T03:23:29+08:00", "utc": "1966-06-29T19:23:29Z", "ms": -110694991243.71344 }, "end": { "local": "1966-07-01T03:03:53+08:00", "utc": "1966-06-30T19:03:53Z", "ms": -110609766760.06142 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-06-29", "window": { "start": { "local": "1966-06-29T18:58:26+08:00", "utc": "1966-06-29T10:58:26Z", "ms": -110725294109.34633 }, "end": { "local": "1966-06-29T20:20:29+08:00", "utc": "1966-06-29T12:20:29Z", "ms": -110720371167.79262 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1966-06-30", "window": { "start": { "local": "1966-06-30T18:58:30+08:00", "utc": "1966-06-30T10:58:30Z", "ms": -110638890165.8069 }, "end": { "local": "1966-06-30T20:20:35+08:00", "utc": "1966-06-30T12:20:35Z", "ms": -110633965043.13611 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:23 on Thu 30 Jun to 03:04 on Fri 1 Jul.", "fact": "1966-06-29T19:23:29Z → 1966-06-30T19:03:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:20 on the 29th, 18:58–20:21 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 29th and 82 of 82 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 24198 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Thursday 30 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": "1966-06-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-06-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Thursday 30 June. Trayodaśī runs from 03:23 on Thu 30 Jun to 03:04 on Fri 1 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-06-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5913, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-07-02T03:07:47+08:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-03T03:36:18+08:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-07-02T03:07:47+08:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-03T03:36:18+08:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 } }, "kaala": "udaya-3", "days": [ { "local_date": "1966-07-02", "window": { "start": { "local": "1966-07-02T05:14:29+08:00", "utc": "1966-07-01T21:14:29Z", "ms": -110515530726.07881 }, "end": { "local": "1966-07-02T07:59:18+08:00", "utc": "1966-07-01T23:59:18Z", "ms": -110505641761.59056 } }, "covered_min": 165, "window_min": 165, "qualifies": true }, { "local_date": "1966-07-03", "window": { "start": { "local": "1966-07-03T05:14:51+08:00", "utc": "1966-07-02T21:14:51Z", "ms": -110429109013.78648 }, "end": { "local": "1966-07-03T07:59:36+08:00", "utc": "1966-07-02T23:59:36Z", "ms": -110419224331.96512 } }, "covered_min": 0, "window_min": 165, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul.", "fact": "1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:14–07:59 on the 2nd, 05:15–08:00 on the 3rd.", "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 165 of 165 minutes on the 2nd and 0 of 165 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one morning qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5913 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Fuzhou, 1966: Saturday 2 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Vyāsa Pūjā 1966 falls on Saturday 2 July. Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29184, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-07-02T03:07:47+08:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-03T03:36:18+08:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-07-02T03:07:47+08:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-03T03:36:18+08:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-07-02", "window": { "start": { "local": "1966-07-02T11:42:32+08:00", "utc": "1966-07-02T03:42:32Z", "ms": -110492248314.85818 }, "end": { "local": "1966-07-02T12:30:32+08:00", "utc": "1966-07-02T04:30:32Z", "ms": -110489368314.85818 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-07-03", "window": { "start": { "local": "1966-07-03T11:42:43+08:00", "utc": "1966-07-03T03:42:43Z", "ms": -110405837309.23306 }, "end": { "local": "1966-07-03T12:30:43+08:00", "utc": "1966-07-03T04:30:43Z", "ms": -110402957309.23306 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul.", "fact": "1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:43–12:31 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 29184 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Fuzhou, 1966: Saturday 2 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": "1966-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Guru Pūrṇimā 1966 falls on Saturday 2 July. Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29354, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-07-02T03:07:47+08:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-03T03:36:18+08:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-07-02T03:07:47+08:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-03T03:36:18+08:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 } }, "kaala": "sayahna", "days": [ { "local_date": "1966-07-01", "window": { "start": { "local": "1966-07-01T16:13:40+08:00", "utc": "1966-07-01T08:13:40Z", "ms": -110562380290.88333 }, "end": { "local": "1966-07-01T18:58:33+08:00", "utc": "1966-07-01T10:58:33Z", "ms": -110552487427.16016 } }, "covered_min": 0, "window_min": 165, "qualifies": false }, { "local_date": "1966-07-02", "window": { "start": { "local": "1966-07-02T16:13:45+08:00", "utc": "1966-07-02T08:13:45Z", "ms": -110475974868.12581 }, "end": { "local": "1966-07-02T18:58:34+08:00", "utc": "1966-07-02T10:58:34Z", "ms": -110466085903.63756 } }, "covered_min": 165, "window_min": 165, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul.", "fact": "1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:59 on the 1st, 16:14–18:59 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 165 minutes on the 1st and 165 of 165 on the 2nd.", "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 29354 s" }, { "step": "ruling", "text": "Kokilā Vrata, Fuzhou, 1966: Saturday 2 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": "1966-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Kokilā Vrata 1966 falls on Saturday 2 July. Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24427, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-07-02T03:07:47+08:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-03T03:36:18+08:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1966-07-02T03:07:47+08:00", "utc": "1966-07-01T19:07:47Z", "ms": -110523133307.11522 }, "end": { "local": "1966-07-03T03:36:18+08:00", "utc": "1966-07-02T19:36:18Z", "ms": -110435021532.3264 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-07-01", "window": { "start": { "local": "1966-07-01T18:58:33+08:00", "utc": "1966-07-01T10:58:33Z", "ms": -110552487427.16016 }, "end": { "local": "1966-07-01T20:20:40+08:00", "utc": "1966-07-01T12:20:40Z", "ms": -110547559867.01598 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1966-07-02", "window": { "start": { "local": "1966-07-02T18:58:34+08:00", "utc": "1966-07-02T10:58:34Z", "ms": -110466085903.63756 }, "end": { "local": "1966-07-02T20:20:44+08:00", "utc": "1966-07-02T12:20:44Z", "ms": -110461155651.65741 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul.", "fact": "1966-07-01T19:07:47Z → 1966-07-02T19:36:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:21 on the 1st, 18:59–20:21 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 82 minutes on the 1st and 82 of 82 on the 2nd.", "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 24427 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Fuzhou, 1966: Saturday 2 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": "1966-07-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Śiva Śayanotsava 1966 falls on Saturday 2 July. Pūrṇimā runs from 03:08 on Sat 2 Jul to 03:36 on Sun 3 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31788, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1966-07-04T04:30:32+08:00", "utc": "1966-07-03T20:30:32Z", "ms": -110345368149.26045 }, "end": { "local": "1966-07-05T05:50:46+08:00", "utc": "1966-07-04T21:50:46Z", "ms": -110254154404.3712 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-04T04:30:32+08:00", "utc": "1966-07-03T20:30:32Z", "ms": -110345368149.26045 }, "end": { "local": "1966-07-05T05:50:46+08:00", "utc": "1966-07-04T21:50:46Z", "ms": -110254154404.3712 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-07-03", "window": { "start": { "local": "1966-07-03T19:40:44+08:00", "utc": "1966-07-03T11:40:44Z", "ms": -110377156386.2823 }, "end": { "local": "1966-07-03T19:40:44+08:00", "utc": "1966-07-03T11:40:44Z", "ms": -110377156386.2823 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-07-04", "window": { "start": { "local": "1966-07-04T20:27:58+08:00", "utc": "1966-07-04T12:27:58Z", "ms": -110287921914.7579 }, "end": { "local": "1966-07-04T20:27:58+08:00", "utc": "1966-07-04T12:27:58Z", "ms": -110287921914.7579 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 04:31 on Mon 4 Jul to 05:51 on Tue 5 Jul.", "fact": "1966-07-03T20:30:32Z → 1966-07-04T21:50:46Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 3rd and 20:28 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31788 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 1966: Monday 4 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": "1966-07-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 1966 falls on Monday 4 July. Dvitīyā runs from 04:31 on Mon 4 Jul to 05:51 on Tue 5 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-07-06", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37574, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-07-06T07:35:43+08:00", "utc": "1966-07-05T23:35:43Z", "ms": -110161456761.07162 }, "end": { "local": "1966-07-07T09:41:41+08:00", "utc": "1966-07-07T01:41:41Z", "ms": -110067499488.36093 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-06T07:35:43+08:00", "utc": "1966-07-05T23:35:43Z", "ms": -110161456761.07162 }, "end": { "local": "1966-07-07T09:41:41+08:00", "utc": "1966-07-07T01:41:41Z", "ms": -110067499488.36093 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-07-05", "window": { "start": { "local": "1966-07-05T21:09:29+08:00", "utc": "1966-07-05T13:09:29Z", "ms": -110199030764.67216 }, "end": { "local": "1966-07-05T21:09:29+08:00", "utc": "1966-07-05T13:09:29Z", "ms": -110199030764.67216 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-07-06", "window": { "start": { "local": "1966-07-06T21:46:05+08:00", "utc": "1966-07-06T13:46:05Z", "ms": -110110435168.74211 }, "end": { "local": "1966-07-06T21:46:05+08:00", "utc": "1966-07-06T13:46:05Z", "ms": -110110435168.74211 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:36 on Wed 6 Jul to 09:42 on Thu 7 Jul.", "fact": "1966-07-05T23:35:43Z → 1966-07-07T01:41:41Z" }, { "step": "kaala", "text": "Moonrise is at 21:09 on the 5th and 21:46 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 37574 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Wednesday 6 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": "1966-07-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Wednesday 6 July. Caturthī runs from 07:36 on Wed 6 Jul to 09:42 on Thu 7 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-07-06", "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/1966/ekadashi?on=1966-07-14", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31457, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-07-13T20:35:12+08:00", "utc": "1966-07-13T12:35:12Z", "ms": -109509888430.17935 }, "end": { "local": "1966-07-14T20:25:22+08:00", "utc": "1966-07-14T12:25:22Z", "ms": -109424077523.05908 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-13T20:35:12+08:00", "utc": "1966-07-13T12:35:12Z", "ms": -109509888430.17935 }, "end": { "local": "1966-07-14T20:25:22+08:00", "utc": "1966-07-14T12:25:22Z", "ms": -109424077523.05908 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-07-14", "window": { "start": { "local": "1966-07-14T05:19:28+08:00", "utc": "1966-07-13T21:19:28Z", "ms": -109478431890.94281 }, "end": { "local": "1966-07-14T05:19:28+08:00", "utc": "1966-07-13T21:19:28Z", "ms": -109478431890.94281 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-07-15", "window": { "start": { "local": "1966-07-15T05:19:56+08:00", "utc": "1966-07-14T21:19:56Z", "ms": -109392003925.4168 }, "end": { "local": "1966-07-15T05:19:56+08:00", "utc": "1966-07-14T21:19:56Z", "ms": -109392003925.4168 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:35 on Wed 13 Jul to 20:25 on Thu 14 Jul.", "fact": "1966-07-13T12:35:12Z → 1966-07-14T12:25:22Z" }, { "step": "kaala", "text": "Sunrise is at 05:19 on the 14th and 05:20 on the 15th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 31457 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Fuzhou, 1966: Thursday 14 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-07-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmikā Ekādaśī 1966 falls on Thursday 14 July. Ekādaśī runs from 20:35 on Wed 13 Jul to 20:25 on Thu 14 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-07-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/pradosha-vrata?on=1966-07-15", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1811, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-07-15T19:27:11+08:00", "utc": "1966-07-15T11:27:11Z", "ms": -109341168902.47408 }, "end": { "local": "1966-07-16T17:43:58+08:00", "utc": "1966-07-16T09:43:58Z", "ms": -109260961966.94516 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-15T19:27:11+08:00", "utc": "1966-07-15T11:27:11Z", "ms": -109341168902.47408 }, "end": { "local": "1966-07-16T17:43:58+08:00", "utc": "1966-07-16T09:43:58Z", "ms": -109260961966.94516 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-07-15", "window": { "start": { "local": "1966-07-15T18:57:00+08:00", "utc": "1966-07-15T10:57:00Z", "ms": -109342980093.22023 }, "end": { "local": "1966-07-15T20:20:07+08:00", "utc": "1966-07-15T12:20:07Z", "ms": -109337992830.53716 } }, "covered_min": 53, "window_min": 83, "qualifies": true }, { "local_date": "1966-07-16", "window": { "start": { "local": "1966-07-16T18:56:44+08:00", "utc": "1966-07-16T10:56:44Z", "ms": -109256596283.11389 }, "end": { "local": "1966-07-16T20:19:57+08:00", "utc": "1966-07-16T12:19:57Z", "ms": -109251603047.41185 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 19:27 on Fri 15 Jul to 17:44 on Sat 16 Jul.", "fact": "1966-07-15T11:27:11Z → 1966-07-16T09:43:58Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:20 on the 15th, 18:57–20:20 on the 16th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 53 of 83 minutes on the 15th and 0 of 83 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1811 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Friday 15 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": "1966-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Friday 15 July. Trayodaśī runs from 19:27 on Fri 15 Jul to 17:44 on Sat 16 Jul and covers 53 of 83 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-07-15", "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/1966/shivaratri?on=1966-07-16", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21650, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-07-16T17:43:58+08:00", "utc": "1966-07-16T09:43:58Z", "ms": -109260961966.94516 }, "end": { "local": "1966-07-17T15:22:07+08:00", "utc": "1966-07-17T07:22:07Z", "ms": -109183072545.84184 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-16T17:43:58+08:00", "utc": "1966-07-16T09:43:58Z", "ms": -109260961966.94516 }, "end": { "local": "1966-07-17T15:22:07+08:00", "utc": "1966-07-17T07:22:07Z", "ms": -109183072545.84184 } }, "kaala": "nishita", "days": [ { "local_date": "1966-07-16", "window": { "start": { "local": "1966-07-16T23:44:48+08:00", "utc": "1966-07-16T15:44:48Z", "ms": -109239311649.23123 }, "end": { "local": "1966-07-17T00:32:48+08:00", "utc": "1966-07-16T16:32:48Z", "ms": -109236431649.23123 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-07-17", "window": { "start": { "local": "1966-07-17T23:44:54+08:00", "utc": "1966-07-17T15:44:54Z", "ms": -109152905949.98761 }, "end": { "local": "1966-07-18T00:32:54+08:00", "utc": "1966-07-17T16:32:54Z", "ms": -109150025949.98761 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:44 on Sat 16 Jul to 15:22 on Sun 17 Jul.", "fact": "1966-07-16T09:43:58Z → 1966-07-17T07:22:07Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 16th, 23:45–00:33 on the 17th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 21650 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Saturday 16 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Saturday 16 July. Caturdaśī runs from 17:44 on Sat 16 Jul to 15:22 on Sun 17 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-07-16", "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/1966/vinayaka-chaturthi?on=1966-07-21", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33156, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-07-21T02:32:21+08:00", "utc": "1966-07-20T18:32:21Z", "ms": -108883659085.26122 }, "end": { "local": "1966-07-21T23:18:50+08:00", "utc": "1966-07-21T15:18:50Z", "ms": -108808869512.01651 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-21T02:32:21+08:00", "utc": "1966-07-20T18:32:21Z", "ms": -108883659085.26122 }, "end": { "local": "1966-07-21T23:18:50+08:00", "utc": "1966-07-21T15:18:50Z", "ms": -108808869512.01651 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-07-21", "window": { "start": { "local": "1966-07-21T11:44:57+08:00", "utc": "1966-07-21T03:44:57Z", "ms": -108850503414.31233 }, "end": { "local": "1966-07-21T12:32:57+08:00", "utc": "1966-07-21T04:32:57Z", "ms": -108847623414.31233 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-07-22", "window": { "start": { "local": "1966-07-22T11:44:59+08:00", "utc": "1966-07-22T03:44:59Z", "ms": -108764100566.82544 }, "end": { "local": "1966-07-22T12:32:59+08:00", "utc": "1966-07-22T04:32:59Z", "ms": -108761220566.82544 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:32 on Thu 21 Jul to 23:19 on Thu 21 Jul.", "fact": "1966-07-20T18:32:21Z → 1966-07-21T15:18:50Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 21st, 11:45–12:33 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33156 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Thursday 21 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Thursday 21 July. Caturthī runs from 02:32 on Thu 21 Jul to 23:19 on Thu 21 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-07-21", "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/1966/ekadashi?on=1966-07-28", "festival": "ekadashi", "name": "Śukla Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26885, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-07-27T12:53:54+08:00", "utc": "1966-07-27T04:53:54Z", "ms": -108327965571.86183 }, "end": { "local": "1966-07-28T12:56:12+08:00", "utc": "1966-07-28T04:56:12Z", "ms": -108241428076.87968 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-27T12:53:54+08:00", "utc": "1966-07-27T04:53:54Z", "ms": -108327965571.86183 }, "end": { "local": "1966-07-28T12:56:12+08:00", "utc": "1966-07-28T04:56:12Z", "ms": -108241428076.87968 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-07-27", "window": { "start": { "local": "1966-07-27T05:25:49+08:00", "utc": "1966-07-26T21:25:49Z", "ms": -108354850905.75175 }, "end": { "local": "1966-07-27T05:25:49+08:00", "utc": "1966-07-26T21:25:49Z", "ms": -108354850905.75175 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-07-28", "window": { "start": { "local": "1966-07-28T05:26:19+08:00", "utc": "1966-07-27T21:26:19Z", "ms": -108268420872.21945 }, "end": { "local": "1966-07-28T05:26:19+08:00", "utc": "1966-07-27T21:26:19Z", "ms": -108268420872.21945 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:54 on Wed 27 Jul to 12:56 on Thu 28 Jul.", "fact": "1966-07-27T04:53:54Z → 1966-07-28T04:56:12Z" }, { "step": "kaala", "text": "Sunrise is at 05:26 on the 27th and 05:26 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26885 s" }, { "step": "ruling", "text": "Śukla Ekādaśī, Fuzhou, 1966: Thursday 28 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": "1966-07-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Ekādaśī 1966 falls on Thursday 28 July. Ekādaśī runs from 12:54 on Wed 27 Jul to 12:56 on Thu 28 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-07-28", "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/1966/pradosha-vrata?on=1966-07-29", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16424, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-07-29T13:24:44+08:00", "utc": "1966-07-29T05:24:44Z", "ms": -108153316269.30223 }, "end": { "local": "1966-07-30T14:16:59+08:00", "utc": "1966-07-30T06:16:59Z", "ms": -108063781371.49274 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-07-29T13:24:44+08:00", "utc": "1966-07-29T05:24:44Z", "ms": -108153316269.30223 }, "end": { "local": "1966-07-30T14:16:59+08:00", "utc": "1966-07-30T06:16:59Z", "ms": -108063781371.49274 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-07-29", "window": { "start": { "local": "1966-07-29T18:51:16+08:00", "utc": "1966-07-29T10:51:16Z", "ms": -108133723862.41165 }, "end": { "local": "1966-07-29T20:16:05+08:00", "utc": "1966-07-29T12:16:05Z", "ms": -108128635459.20285 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "1966-07-30", "window": { "start": { "local": "1966-07-30T18:50:42+08:00", "utc": "1966-07-30T10:50:42Z", "ms": -108047357812.33865 }, "end": { "local": "1966-07-30T20:15:39+08:00", "utc": "1966-07-30T12:15:39Z", "ms": -108042260886.37248 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:25 on Fri 29 Jul to 14:17 on Sat 30 Jul.", "fact": "1966-07-29T05:24:44Z → 1966-07-30T06:16:59Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:16 on the 29th, 18:51–20:16 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 85 of 85 minutes on the 29th and 0 of 85 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 16424 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Friday 29 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": "1966-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-07-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Friday 29 July. Trayodaśī runs from 13:25 on Fri 29 Jul to 14:17 on Sat 30 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-07-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-08-05", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9586, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-08-04T23:29:57+08:00", "utc": "1966-08-04T15:29:57Z", "ms": -107598603331.14235 }, "end": { "local": "1966-08-06T01:58:04+08:00", "utc": "1966-08-05T17:58:04Z", "ms": -107503316033.3837 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-04T23:29:57+08:00", "utc": "1966-08-04T15:29:57Z", "ms": -107598603331.14235 }, "end": { "local": "1966-08-06T01:58:04+08:00", "utc": "1966-08-05T17:58:04Z", "ms": -107503316033.3837 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-08-04", "window": { "start": { "local": "1966-08-04T20:50:10+08:00", "utc": "1966-08-04T12:50:10Z", "ms": -107608189540.8955 }, "end": { "local": "1966-08-04T20:50:10+08:00", "utc": "1966-08-04T12:50:10Z", "ms": -107608189540.8955 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-08-05", "window": { "start": { "local": "1966-08-05T21:19:20+08:00", "utc": "1966-08-05T13:19:20Z", "ms": -107520040305.28609 }, "end": { "local": "1966-08-05T21:19:20+08:00", "utc": "1966-08-05T13:19:20Z", "ms": -107520040305.28609 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 23:30 on Thu 4 Aug to 01:58 on Sat 6 Aug.", "fact": "1966-08-04T15:29:57Z → 1966-08-05T17:58:04Z" }, { "step": "kaala", "text": "Moonrise is at 20:50 on the 4th and 21:19 on the 5th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 4th and is 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 9586 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Friday 5 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": "1966-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Friday 5 August. Caturthī runs from 23:30 on Thu 4 Aug to 01:58 on Sat 6 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-08-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/ekadashi?on=1966-08-13", "festival": "ekadashi", "name": "Kṛṣṇa Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8008, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-08-12T09:10:24+08:00", "utc": "1966-08-12T01:10:24Z", "ms": -106958975716.71191 }, "end": { "local": "1966-08-13T07:47:39+08:00", "utc": "1966-08-12T23:47:39Z", "ms": -106877541107.97385 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-12T09:10:24+08:00", "utc": "1966-08-12T01:10:24Z", "ms": -106958975716.71191 }, "end": { "local": "1966-08-13T07:47:39+08:00", "utc": "1966-08-12T23:47:39Z", "ms": -106877541107.97385 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-08-12", "window": { "start": { "local": "1966-08-12T05:33:42+08:00", "utc": "1966-08-11T21:33:42Z", "ms": -106971977884.39024 }, "end": { "local": "1966-08-12T05:33:42+08:00", "utc": "1966-08-11T21:33:42Z", "ms": -106971977884.39024 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-08-13", "window": { "start": { "local": "1966-08-13T05:34:11+08:00", "utc": "1966-08-12T21:34:11Z", "ms": -106885549283.53096 }, "end": { "local": "1966-08-13T05:34:11+08:00", "utc": "1966-08-12T21:34:11Z", "ms": -106885549283.53096 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 09:10 on Fri 12 Aug to 07:48 on Sat 13 Aug.", "fact": "1966-08-12T01:10:24Z → 1966-08-12T23:47:39Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 12th and 05:34 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 8008 s" }, { "step": "ruling", "text": "Kṛṣṇa Ekādaśī, Fuzhou, 1966: Saturday 13 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Ekādaśī 1966 falls on Saturday 13 August. Ekādaśī runs from 09:10 on Fri 12 Aug to 07:48 on Sat 13 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-08-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/pradosha-vrata?on=1966-08-14", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24049, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-08-14T05:37:52+08:00", "utc": "1966-08-13T21:37:52Z", "ms": -106798928017.31079 }, "end": { "local": "1966-08-15T02:48:11+08:00", "utc": "1966-08-14T18:48:11Z", "ms": -106722708879.08148 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-14T05:37:52+08:00", "utc": "1966-08-13T21:37:52Z", "ms": -106798928017.31079 }, "end": { "local": "1966-08-15T02:48:11+08:00", "utc": "1966-08-14T18:48:11Z", "ms": -106722708879.08148 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-08-13", "window": { "start": { "local": "1966-08-13T18:40:51+08:00", "utc": "1966-08-13T10:40:51Z", "ms": -106838348520.4094 }, "end": { "local": "1966-08-13T20:08:02+08:00", "utc": "1966-08-13T12:08:02Z", "ms": -106833118163.52415 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1966-08-14", "window": { "start": { "local": "1966-08-14T18:40:02+08:00", "utc": "1966-08-14T10:40:02Z", "ms": -106751998179.07141 }, "end": { "local": "1966-08-14T20:07:23+08:00", "utc": "1966-08-14T12:07:23Z", "ms": -106746757431.68074 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:38 on Sun 14 Aug to 02:48 on Mon 15 Aug.", "fact": "1966-08-13T21:37:52Z → 1966-08-14T18:48:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:41–20:08 on the 13th, 18:40–20:07 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 13th and 87 of 87 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24049 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Sunday 14 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Sunday 14 August. Trayodaśī runs from 05:38 on Sun 14 Aug to 02:48 on Mon 15 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/shivaratri?on=1966-08-14", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-14", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 928, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-08-15T02:48:11+08:00", "utc": "1966-08-14T18:48:11Z", "ms": -106722708879.08148 }, "end": { "local": "1966-08-15T23:27:56+08:00", "utc": "1966-08-15T15:27:56Z", "ms": -106648324408.96904 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": true, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-15T02:48:11+08:00", "utc": "1966-08-14T18:48:11Z", "ms": -106722708879.08148 }, "end": { "local": "1966-08-15T23:27:56+08:00", "utc": "1966-08-15T15:27:56Z", "ms": -106648324408.96904 } }, "kaala": "nishita", "days": [ { "local_date": "1966-08-14", "window": { "start": { "local": "1966-08-14T23:43:35+08:00", "utc": "1966-08-14T15:43:35Z", "ms": -106733785376.3564 }, "end": { "local": "1966-08-15T00:31:35+08:00", "utc": "1966-08-14T16:31:35Z", "ms": -106730905376.3564 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-08-15", "window": { "start": { "local": "1966-08-15T23:43:23+08:00", "utc": "1966-08-15T15:43:23Z", "ms": -106647396605.97867 }, "end": { "local": "1966-08-16T00:31:23+08:00", "utc": "1966-08-15T16:31:23Z", "ms": -106644516605.97867 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:48 on Mon 15 Aug to 23:28 on Mon 15 Aug.", "fact": "1966-08-14T18:48:11Z → 1966-08-15T15:27:56Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 14th, 23:43–00:31 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 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 928 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Sunday 14 August.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-08-14", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-14", "confidence": "boundary" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Sunday 14 August. Caturdaśī runs from 02:48 on Mon 15 Aug to 23:28 on Mon 15 Aug, and reaches niśītha on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-08-14", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1090, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-08-18T12:12:23+08:00", "utc": "1966-08-18T04:12:23Z", "ms": -106429657032.56697 }, "end": { "local": "1966-08-19T08:39:11+08:00", "utc": "1966-08-19T00:39:11Z", "ms": -106356048807.48611 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-18T12:12:23+08:00", "utc": "1966-08-18T04:12:23Z", "ms": -106429657032.56697 }, "end": { "local": "1966-08-19T08:39:11+08:00", "utc": "1966-08-19T00:39:11Z", "ms": -106356048807.48611 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-18", "window": { "start": { "local": "1966-08-18T11:42:33+08:00", "utc": "1966-08-18T03:42:33Z", "ms": -106431447214.59225 }, "end": { "local": "1966-08-18T12:30:33+08:00", "utc": "1966-08-18T04:30:33Z", "ms": -106428567214.59225 } }, "covered_min": 18, "window_min": 48, "qualifies": true }, { "local_date": "1966-08-19", "window": { "start": { "local": "1966-08-19T11:42:20+08:00", "utc": "1966-08-19T03:42:20Z", "ms": -106345060433.38953 }, "end": { "local": "1966-08-19T12:30:20+08:00", "utc": "1966-08-19T04:30:20Z", "ms": -106342180433.38953 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 12:12 on Thu 18 Aug to 08:39 on Fri 19 Aug.", "fact": "1966-08-18T04:12:23Z → 1966-08-19T00:39:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 18th, 11:42–12:30 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 18 of 48 minutes on the 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1090 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Fuzhou, 1966: Thursday 18 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": "1966-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 1966 falls on Thursday 18 August. Tṛtīyā runs from 12:12 on Thu 18 Aug to 08:39 on Fri 19 Aug and covers 18 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-08-19", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10988, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-08-19T08:39:11+08:00", "utc": "1966-08-19T00:39:11Z", "ms": -106356048807.48611 }, "end": { "local": "1966-08-20T05:28:55+08:00", "utc": "1966-08-19T21:28:55Z", "ms": -106281064696.8993 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-19T08:39:11+08:00", "utc": "1966-08-19T00:39:11Z", "ms": -106356048807.48611 }, "end": { "local": "1966-08-20T05:28:55+08:00", "utc": "1966-08-19T21:28:55Z", "ms": -106281064696.8993 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-19", "window": { "start": { "local": "1966-08-19T11:42:20+08:00", "utc": "1966-08-19T03:42:20Z", "ms": -106345060433.38953 }, "end": { "local": "1966-08-19T12:30:20+08:00", "utc": "1966-08-19T04:30:20Z", "ms": -106342180433.38953 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-08-20", "window": { "start": { "local": "1966-08-20T11:42:06+08:00", "utc": "1966-08-20T03:42:06Z", "ms": -106258674156.9454 }, "end": { "local": "1966-08-20T12:30:06+08:00", "utc": "1966-08-20T04:30:06Z", "ms": -106255794156.9454 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 08:39 on Fri 19 Aug to 05:29 on Sat 20 Aug.", "fact": "1966-08-19T00:39:11Z → 1966-08-19T21:28:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 19th, 11:42–12:30 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10988 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Friday 19 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": "1966-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Friday 19 August. Caturthī runs from 08:39 on Fri 19 Aug to 05:29 on Sat 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-08-19", "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/1966/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22391, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-08-20T05:28:55+08:00", "utc": "1966-08-19T21:28:55Z", "ms": -106281064696.8993 }, "end": { "local": "1966-08-21T02:49:46+08:00", "utc": "1966-08-20T18:49:46Z", "ms": -106204214235.83586 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-20T05:28:55+08:00", "utc": "1966-08-19T21:28:55Z", "ms": -106281064696.8993 }, "end": { "local": "1966-08-21T02:49:46+08:00", "utc": "1966-08-20T18:49:46Z", "ms": -106204214235.83586 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-20", "window": { "start": { "local": "1966-08-20T11:42:06+08:00", "utc": "1966-08-20T03:42:06Z", "ms": -106258674156.9454 }, "end": { "local": "1966-08-20T12:30:06+08:00", "utc": "1966-08-20T04:30:06Z", "ms": -106255794156.9454 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-08-21", "window": { "start": { "local": "1966-08-21T11:41:52+08:00", "utc": "1966-08-21T03:41:52Z", "ms": -106172288376.27109 }, "end": { "local": "1966-08-21T12:29:52+08:00", "utc": "1966-08-21T04:29:52Z", "ms": -106169408376.27109 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 05:29 on Sat 20 Aug to 02:50 on Sun 21 Aug.", "fact": "1966-08-19T21:28:55Z → 1966-08-20T18:49:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 20th, 11:42–12:30 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 22391 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Fuzhou, 1966: Saturday 20 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": "1966-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī 1966 falls on Saturday 20 August. Pañcamī runs from 05:29 on Sat 20 Aug to 02:50 on Sun 21 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-08-26", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18690, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-08-25T23:22:53+08:00", "utc": "1966-08-25T15:22:53Z", "ms": -105784627082.43567 }, "end": { "local": "1966-08-27T00:29:01+08:00", "utc": "1966-08-26T16:29:01Z", "ms": -105694258725.91573 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-25T23:22:53+08:00", "utc": "1966-08-25T15:22:53Z", "ms": -105784627082.43567 }, "end": { "local": "1966-08-27T00:29:01+08:00", "utc": "1966-08-26T16:29:01Z", "ms": -105694258725.91573 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-08-26", "window": { "start": { "local": "1966-08-26T05:40:05+08:00", "utc": "1966-08-25T21:40:05Z", "ms": -105761994727.3038 }, "end": { "local": "1966-08-26T05:40:05+08:00", "utc": "1966-08-25T21:40:05Z", "ms": -105761994727.3038 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-08-27", "window": { "start": { "local": "1966-08-27T05:40:31+08:00", "utc": "1966-08-26T21:40:31Z", "ms": -105675568884.08421 }, "end": { "local": "1966-08-27T05:40:31+08:00", "utc": "1966-08-26T21:40:31Z", "ms": -105675568884.08421 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:23 on Thu 25 Aug to 00:29 on Sat 27 Aug.", "fact": "1966-08-25T15:22:53Z → 1966-08-26T16:29:01Z" }, { "step": "kaala", "text": "Sunrise is at 05:40 on the 26th and 05:41 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 18690 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 1966: Friday 26 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": "1966-08-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 1966 falls on Friday 26 August. Ekādaśī runs from 23:23 on Thu 25 Aug to 00:29 on Sat 27 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-08-26", "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/1966/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34803, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-08-27T00:29:01+08:00", "utc": "1966-08-26T16:29:01Z", "ms": -105694258725.91573 }, "end": { "local": "1966-08-28T01:59:57+08:00", "utc": "1966-08-27T17:59:57Z", "ms": -105602403435.68263 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-27T00:29:01+08:00", "utc": "1966-08-26T16:29:01Z", "ms": -105694258725.91573 }, "end": { "local": "1966-08-28T01:59:57+08:00", "utc": "1966-08-27T17:59:57Z", "ms": -105602403435.68263 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-27", "window": { "start": { "local": "1966-08-27T11:40:17+08:00", "utc": "1966-08-27T03:40:17Z", "ms": -105653983402.20865 }, "end": { "local": "1966-08-27T12:28:17+08:00", "utc": "1966-08-27T04:28:17Z", "ms": -105651103402.20865 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-08-28", "window": { "start": { "local": "1966-08-28T11:39:59+08:00", "utc": "1966-08-28T03:39:59Z", "ms": -105567600716.41713 }, "end": { "local": "1966-08-28T12:27:59+08:00", "utc": "1966-08-28T04:27:59Z", "ms": -105564720716.41713 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:29 on Sat 27 Aug to 02:00 on Sun 28 Aug.", "fact": "1966-08-26T16:29:01Z → 1966-08-27T17:59:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 27th, 11:40–12:28 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 34803 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Fuzhou, 1966: Saturday 27 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": "1966-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Dāmodara Dvādaśī 1966 falls on Saturday 27 August. Dvādaśī runs from 00:29 on Sat 27 Aug to 02:00 on Sun 28 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pradosha-vrata?on=1966-08-28", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21731, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-08-28T01:59:57+08:00", "utc": "1966-08-27T17:59:57Z", "ms": -105602403435.68263 }, "end": { "local": "1966-08-29T03:50:30+08:00", "utc": "1966-08-28T19:50:30Z", "ms": -105509370380.09415 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-28T01:59:57+08:00", "utc": "1966-08-27T17:59:57Z", "ms": -105602403435.68263 }, "end": { "local": "1966-08-29T03:50:30+08:00", "utc": "1966-08-28T19:50:30Z", "ms": -105509370380.09415 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-08-27", "window": { "start": { "local": "1966-08-27T18:28:02+08:00", "utc": "1966-08-27T10:28:02Z", "ms": -105629517920.33308 }, "end": { "local": "1966-08-27T19:57:45+08:00", "utc": "1966-08-27T11:57:45Z", "ms": -105624134628.04594 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1966-08-28", "window": { "start": { "local": "1966-08-28T18:27:02+08:00", "utc": "1966-08-28T10:27:02Z", "ms": -105543178204.65472 }, "end": { "local": "1966-08-28T19:56:57+08:00", "utc": "1966-08-28T11:56:57Z", "ms": -105537783477.46468 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:00 on Sun 28 Aug to 03:50 on Mon 29 Aug.", "fact": "1966-08-27T17:59:57Z → 1966-08-28T19:50:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–19:58 on the 27th, 18:27–19:57 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 90 minutes on the 27th and 90 of 90 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 21731 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Sunday 28 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": "1966-08-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Sunday 28 August. Trayodaśī runs from 02:00 on Sun 28 Aug to 03:50 on Mon 29 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-08-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-30", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 9084, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-08-30T05:56:18+08:00", "utc": "1966-08-29T21:56:18Z", "ms": -105415421830.00491 }, "end": { "local": "1966-08-31T08:13:37+08:00", "utc": "1966-08-31T00:13:37Z", "ms": -105320782896.59085 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1966-08-30T19:03:45+08:00", "utc": "1966-08-30T11:03:45Z", "ms": -105368175225.23828 }, "end": { "local": "1966-08-31T08:13:37+08:00", "utc": "1966-08-31T00:13:37Z", "ms": -105320782896.59085 } }, "kaala": "day", "days": [ { "local_date": "1966-08-30", "window": { "start": { "local": "1966-08-30T05:41:48+08:00", "utc": "1966-08-29T21:41:48Z", "ms": -105416292441.95398 }, "end": { "local": "1966-08-31T05:42:13+08:00", "utc": "1966-08-30T21:42:13Z", "ms": -105329867291.27873 } }, "covered_min": 638, "window_min": 1440, "qualifies": true }, { "local_date": "1966-08-31", "window": { "start": { "local": "1966-08-31T05:42:13+08:00", "utc": "1966-08-30T21:42:13Z", "ms": -105329867291.27873 }, "end": { "local": "1966-09-01T05:42:38+08:00", "utc": "1966-08-31T21:42:38Z", "ms": -105243442287.46503 } }, "covered_min": 151, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:56 on Tue 30 Aug to 08:14 on Wed 31 Aug. Its second half begins at 19:04 on Tue 30 Aug.", "fact": "1966-08-29T21:56:18Z → 1966-08-31T00:13:37Z · second half from 1966-08-30T11:03:45Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:42 on the 30th, and from 05:42 on the 31st.", "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 638 of 1440 minutes on the 30th and 151 of 1440 on the 31st.", "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 9084 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Fuzhou, 1966: Tuesday 30 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": "1966-08-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-30", "confidence": "boundary" } ], "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 1966 falls on Tuesday 30 August. The second half of Pūrṇimā runs from 19:04 on Tue 30 Aug to 08:14 on Wed 31 Aug and falls on two days: 638 minutes of it on the 30th, 151 on the 31st; 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/1966/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/1966/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12328, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-08-30T05:56:18+08:00", "utc": "1966-08-29T21:56:18Z", "ms": -105415421830.00491 }, "end": { "local": "1966-08-31T08:13:37+08:00", "utc": "1966-08-31T00:13:37Z", "ms": -105320782896.59085 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1966-08-30T05:56:18+08:00", "utc": "1966-08-29T21:56:18Z", "ms": -105415421830.00491 }, "end": { "local": "1966-08-31T08:13:37+08:00", "utc": "1966-08-31T00:13:37Z", "ms": -105320782896.59085 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-08-30", "window": { "start": { "local": "1966-08-30T11:39:24+08:00", "utc": "1966-08-30T03:39:24Z", "ms": -105394836455.12193 }, "end": { "local": "1966-08-30T12:27:24+08:00", "utc": "1966-08-30T04:27:24Z", "ms": -105391956455.12193 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-08-31", "window": { "start": { "local": "1966-08-31T11:39:05+08:00", "utc": "1966-08-31T03:39:05Z", "ms": -105308454842.2472 }, "end": { "local": "1966-08-31T12:27:05+08:00", "utc": "1966-08-31T04:27:05Z", "ms": -105305574842.2472 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:56 on Tue 30 Aug to 08:14 on Wed 31 Aug.", "fact": "1966-08-29T21:56:18Z → 1966-08-31T00:13:37Z" }, { "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": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12328 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Fuzhou, 1966: Tuesday 30 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": "1966-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-08-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Tarpaṇa 1966 falls on Tuesday 30 August. Pūrṇimā runs from 05:56 on Tue 30 Aug to 08:14 on Wed 31 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24184, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1966-09-01T10:38:44+08:00", "utc": "1966-09-01T02:38:44Z", "ms": -105225675927.58394 }, "end": { "local": "1966-09-02T13:07:13+08:00", "utc": "1966-09-02T05:07:13Z", "ms": -105130367439.35701 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-01T10:38:44+08:00", "utc": "1966-09-01T02:38:44Z", "ms": -105225675927.58394 }, "end": { "local": "1966-09-02T13:07:13+08:00", "utc": "1966-09-02T05:07:13Z", "ms": -105130367439.35701 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-09-01", "window": { "start": { "local": "1966-09-01T19:21:49+08:00", "utc": "1966-09-01T11:21:49Z", "ms": -105194291259.13744 }, "end": { "local": "1966-09-01T19:21:49+08:00", "utc": "1966-09-01T11:21:49Z", "ms": -105194291259.13744 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-09-02", "window": { "start": { "local": "1966-09-02T19:50:17+08:00", "utc": "1966-09-02T11:50:17Z", "ms": -105106182974.21132 }, "end": { "local": "1966-09-02T19:50:17+08:00", "utc": "1966-09-02T11:50:17Z", "ms": -105106182974.21132 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 10:39 on Thu 1 Sep to 13:07 on Fri 2 Sep.", "fact": "1966-09-01T02:38:44Z → 1966-09-02T05:07:13Z" }, { "step": "kaala", "text": "Moonrise is at 19:22 on the 1st and 19:50 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is on the 1st and is not on the 2nd.", "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 24184 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Fuzhou, 1966: Thursday 1 September.", "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": "1966-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata 1966 falls on Thursday 1 September. Dvitīyā runs from 10:39 on Thu 1 Sep to 13:07 on Fri 2 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2445, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-09-02T13:07:13+08:00", "utc": "1966-09-02T05:07:13Z", "ms": -105130367439.35701 }, "end": { "local": "1966-09-03T15:33:09+08:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-02T13:07:13+08:00", "utc": "1966-09-02T05:07:13Z", "ms": -105130367439.35701 }, "end": { "local": "1966-09-03T15:33:09+08:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-02", "window": { "start": { "local": "1966-09-02T11:38:27+08:00", "utc": "1966-09-02T03:38:27Z", "ms": -105135692555.91815 }, "end": { "local": "1966-09-02T12:26:27+08:00", "utc": "1966-09-02T04:26:27Z", "ms": -105132812555.91815 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-03", "window": { "start": { "local": "1966-09-03T11:38:08+08:00", "utc": "1966-09-03T03:38:08Z", "ms": -105049311843.2763 }, "end": { "local": "1966-09-03T12:26:08+08:00", "utc": "1966-09-03T04:26:08Z", "ms": -105046431843.2763 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 13:07 on Fri 2 Sep to 15:33 on Sat 3 Sep.", "fact": "1966-09-02T05:07:13Z → 1966-09-03T07:33:09Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 2nd, 11:38–12:26 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "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 2445 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Fuzhou, 1966: Saturday 3 September.", "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": "1966-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 1966 falls on Saturday 3 September. Tṛtīyā runs from 13:07 on Fri 2 Sep to 15:33 on Sat 3 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 972, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-09-03T15:33:09+08:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "end": { "local": "1966-09-04T17:48:50+08:00", "utc": "1966-09-04T09:48:50Z", "ms": -104940669947.41656 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-03T15:33:09+08:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "end": { "local": "1966-09-04T17:48:50+08:00", "utc": "1966-09-04T09:48:50Z", "ms": -104940669947.41656 } }, "kaala": "sayahna", "days": [ { "local_date": "1966-09-03", "window": { "start": { "local": "1966-09-03T15:49:21+08:00", "utc": "1966-09-03T07:49:21Z", "ms": -105034239345.49812 }, "end": { "local": "1966-09-03T18:20:49+08:00", "utc": "1966-09-03T10:20:49Z", "ms": -105025151013.646 } }, "covered_min": 151, "window_min": 151, "qualifies": true }, { "local_date": "1966-09-04", "window": { "start": { "local": "1966-09-04T15:48:35+08:00", "utc": "1966-09-04T07:48:35Z", "ms": -104947885403.57288 }, "end": { "local": "1966-09-04T18:19:45+08:00", "utc": "1966-09-04T10:19:45Z", "ms": -104938814745.09686 } }, "covered_min": 120, "window_min": 151, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:33 on Sat 3 Sep to 17:49 on Sun 4 Sep.", "fact": "1966-09-03T07:33:09Z → 1966-09-04T09:48:50Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:21 on the 3rd, 15:49–18:20 on the 4th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 151 of 151 minutes on the 3rd and 120 of 151 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both late afternoons qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 972 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Fuzhou, 1966: Saturday 3 September.", "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": "1966-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Bahulā Caturthī 1966 falls on Saturday 3 September. Caturthī runs from 15:33 on Sat 3 Sep to 17:49 on Sun 4 Sep and covers all of sāyāhna that late afternoon. It also reaches the next late afternoon for 120 minutes; by the rule the first late afternoon is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-09-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10783, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-09-03T15:33:09+08:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "end": { "local": "1966-09-04T17:48:50+08:00", "utc": "1966-09-04T09:48:50Z", "ms": -104940669947.41656 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-03T15:33:09+08:00", "utc": "1966-09-03T07:33:09Z", "ms": -105035211231.99942 }, "end": { "local": "1966-09-04T17:48:50+08:00", "utc": "1966-09-04T09:48:50Z", "ms": -104940669947.41656 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-09-03", "window": { "start": { "local": "1966-09-03T20:18:49+08:00", "utc": "1966-09-03T12:18:49Z", "ms": -105018070872.02333 }, "end": { "local": "1966-09-03T20:18:49+08:00", "utc": "1966-09-03T12:18:49Z", "ms": -105018070872.02333 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-09-04", "window": { "start": { "local": "1966-09-04T20:48:33+08:00", "utc": "1966-09-04T12:48:33Z", "ms": -104929887240.73099 }, "end": { "local": "1966-09-04T20:48:33+08:00", "utc": "1966-09-04T12:48:33Z", "ms": -104929887240.73099 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 15:33 on Sat 3 Sep to 17:49 on Sun 4 Sep.", "fact": "1966-09-03T07:33:09Z → 1966-09-04T09:48:50Z" }, { "step": "kaala", "text": "Moonrise is at 20:19 on the 3rd and 20:49 on the 4th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10783 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Saturday 3 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": "1966-09-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Saturday 3 September. Caturthī runs from 15:33 on Sat 3 Sep to 17:49 on Sun 4 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-09-03", "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/1966/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26371, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-09-05T19:44:59+08:00", "utc": "1966-09-05T11:44:59Z", "ms": -104847300507.85484 }, "end": { "local": "1966-09-06T21:11:41+08:00", "utc": "1966-09-06T13:11:41Z", "ms": -104755698871.17915 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-05T19:44:59+08:00", "utc": "1966-09-05T11:44:59Z", "ms": -104847300507.85484 }, "end": { "local": "1966-09-06T21:11:41+08:00", "utc": "1966-09-06T13:11:41Z", "ms": -104755698871.17915 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-05", "window": { "start": { "local": "1966-09-05T11:37:29+08:00", "utc": "1966-09-05T03:37:29Z", "ms": -104876551180.10359 }, "end": { "local": "1966-09-05T12:25:29+08:00", "utc": "1966-09-05T04:25:29Z", "ms": -104873671180.10359 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-06", "window": { "start": { "local": "1966-09-06T11:37:09+08:00", "utc": "1966-09-06T03:37:09Z", "ms": -104790171189.9313 }, "end": { "local": "1966-09-06T12:25:09+08:00", "utc": "1966-09-06T04:25:09Z", "ms": -104787291189.9313 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:45 on Mon 5 Sep to 21:12 on Tue 6 Sep.", "fact": "1966-09-05T11:44:59Z → 1966-09-06T13:11:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 5th, 11:37–12:25 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26371 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Fuzhou, 1966: Tuesday 6 September.", "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": "1966-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Hala Ṣaṣṭhī 1966 falls on Tuesday 6 September. Ṣaṣṭhī runs from 19:45 on Mon 5 Sep to 21:12 on Tue 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5664, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-09-07T21:59:45+08:00", "utc": "1966-09-07T13:59:45Z", "ms": -104666415152.70253 }, "end": { "local": "1966-09-08T22:02:16+08:00", "utc": "1966-09-08T14:02:16Z", "ms": -104579864060.2647 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-07T21:59:45+08:00", "utc": "1966-09-07T13:59:45Z", "ms": -104666415152.70253 }, "end": { "local": "1966-09-08T22:02:16+08:00", "utc": "1966-09-08T14:02:16Z", "ms": -104579864060.2647 } }, "kaala": "nishita", "days": [ { "local_date": "1966-09-07", "window": { "start": { "local": "1966-09-07T23:37:01+08:00", "utc": "1966-09-07T15:37:01Z", "ms": -104660579240.70245 }, "end": { "local": "1966-09-08T00:25:01+08:00", "utc": "1966-09-07T16:25:01Z", "ms": -104657699240.70245 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-08", "window": { "start": { "local": "1966-09-08T23:36:40+08:00", "utc": "1966-09-08T15:36:40Z", "ms": -104574199657.4545 }, "end": { "local": "1966-09-09T00:24:40+08:00", "utc": "1966-09-08T16:24:40Z", "ms": -104571319657.4545 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 22:00 on Wed 7 Sep to 22:02 on Thu 8 Sep.", "fact": "1966-09-07T13:59:45Z → 1966-09-08T14:02:16Z" }, { "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": "Aṣṭamī 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. 103" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5664 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Fuzhou, 1966: Wednesday 7 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": "1966-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Janmāṣṭamī 1966 falls on Wednesday 7 September. Aṣṭamī runs from 22:00 on Wed 7 Sep to 22:02 on Thu 8 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31592, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-09-06T21:11:41+08:00", "utc": "1966-09-06T13:11:41Z", "ms": -104755698871.17915 }, "end": { "local": "1966-09-07T21:59:45+08:00", "utc": "1966-09-07T13:59:45Z", "ms": -104666415152.70253 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-06T21:11:41+08:00", "utc": "1966-09-06T13:11:41Z", "ms": -104755698871.17915 }, "end": { "local": "1966-09-07T21:59:45+08:00", "utc": "1966-09-07T13:59:45Z", "ms": -104666415152.70253 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-06", "window": { "start": { "local": "1966-09-06T11:37:09+08:00", "utc": "1966-09-06T03:37:09Z", "ms": -104790171189.9313 }, "end": { "local": "1966-09-06T12:25:09+08:00", "utc": "1966-09-06T04:25:09Z", "ms": -104787291189.9313 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-07", "window": { "start": { "local": "1966-09-07T11:36:49+08:00", "utc": "1966-09-07T03:36:49Z", "ms": -104703791401.0343 }, "end": { "local": "1966-09-07T12:24:49+08:00", "utc": "1966-09-07T04:24:49Z", "ms": -104700911401.0343 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 21:12 on Tue 6 Sep to 22:00 on Wed 7 Sep.", "fact": "1966-09-06T13:11:41Z → 1966-09-07T13:59:45Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 6th, 11:37–12:25 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 31592 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Fuzhou, 1966: Wednesday 7 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": "1966-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalā Saptamī 1966 falls on Wednesday 7 September. Saptamī runs from 21:12 on Tue 6 Sep to 22:00 on Wed 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-09-11", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36384, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-09-10T19:40:18+08:00", "utc": "1966-09-10T11:40:18Z", "ms": -104415582098.76407 }, "end": { "local": "1966-09-11T17:19:57+08:00", "utc": "1966-09-11T09:19:57Z", "ms": -104337603109.8386 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-10T19:40:18+08:00", "utc": "1966-09-10T11:40:18Z", "ms": -104415582098.76407 }, "end": { "local": "1966-09-11T17:19:57+08:00", "utc": "1966-09-11T09:19:57Z", "ms": -104337603109.8386 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-09-11", "window": { "start": { "local": "1966-09-11T05:46:42+08:00", "utc": "1966-09-10T21:46:42Z", "ms": -104379197624.86967 }, "end": { "local": "1966-09-11T05:46:42+08:00", "utc": "1966-09-10T21:46:42Z", "ms": -104379197624.86967 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-09-12", "window": { "start": { "local": "1966-09-12T05:47:07+08:00", "utc": "1966-09-11T21:47:07Z", "ms": -104292773429.80046 }, "end": { "local": "1966-09-12T05:47:07+08:00", "utc": "1966-09-11T21:47:07Z", "ms": -104292773429.80046 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:40 on Sat 10 Sep to 17:20 on Sun 11 Sep.", "fact": "1966-09-10T11:40:18Z → 1966-09-11T09:19:57Z" }, { "step": "kaala", "text": "Sunrise is at 05:47 on the 11th and 05:47 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 36384 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Fuzhou, 1966: Sunday 11 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-09-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Ajā Ekādaśī 1966 falls on Sunday 11 September. Ekādaśī runs from 19:40 on Sat 10 Sep to 17:20 on Sun 11 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-09-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/pradosha-vrata?on=1966-09-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13775, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-09-12T14:21:28+08:00", "utc": "1966-09-12T06:21:28Z", "ms": -104261911685.91171 }, "end": { "local": "1966-09-13T10:53:51+08:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-12T14:21:28+08:00", "utc": "1966-09-12T06:21:28Z", "ms": -104261911685.91171 }, "end": { "local": "1966-09-13T10:53:51+08:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-09-12", "window": { "start": { "local": "1966-09-12T18:11:04+08:00", "utc": "1966-09-12T10:11:04Z", "ms": -104248136189.87975 }, "end": { "local": "1966-09-12T19:43:55+08:00", "utc": "1966-09-12T11:43:55Z", "ms": -104242564596.73457 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1966-09-13", "window": { "start": { "local": "1966-09-13T18:09:58+08:00", "utc": "1966-09-13T10:09:58Z", "ms": -104161802434.3388 }, "end": { "local": "1966-09-13T19:43:01+08:00", "utc": "1966-09-13T11:43:01Z", "ms": -104156218783.36636 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:21 on Mon 12 Sep to 10:54 on Tue 13 Sep.", "fact": "1966-09-12T06:21:28Z → 1966-09-13T02:53:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:44 on the 12th, 18:10–19:43 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 12th and 0 of 93 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13775 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Monday 12 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": "1966-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Monday 12 September. Trayodaśī runs from 14:21 on Mon 12 Sep to 10:54 on Tue 13 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-09-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26167, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-09-13T10:53:51+08:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "end": { "local": "1966-09-14T07:07:25+08:00", "utc": "1966-09-13T23:07:25Z", "ms": -104115155093.2136 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-13T10:53:51+08:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "end": { "local": "1966-09-14T07:07:25+08:00", "utc": "1966-09-13T23:07:25Z", "ms": -104115155093.2136 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-09-13", "window": { "start": { "local": "1966-09-13T18:09:58+08:00", "utc": "1966-09-13T10:09:58Z", "ms": -104161802434.3388 }, "end": { "local": "1966-09-13T19:43:01+08:00", "utc": "1966-09-13T11:43:01Z", "ms": -104156218783.36636 } }, "covered_min": 93, "window_min": 93, "qualifies": true }, { "local_date": "1966-09-14", "window": { "start": { "local": "1966-09-14T18:08:51+08:00", "utc": "1966-09-14T10:08:51Z", "ms": -104075468835.24915 }, "end": { "local": "1966-09-14T19:42:07+08:00", "utc": "1966-09-14T11:42:07Z", "ms": -104069873104.52571 } }, "covered_min": 0, "window_min": 93, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:54 on Tue 13 Sep to 07:07 on Wed 14 Sep.", "fact": "1966-09-13T02:53:51Z → 1966-09-13T23:07:25Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:43 on the 13th, 18:09–19:42 on the 14th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 13th and 0 of 93 on the 14th.", "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 26167 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Fuzhou, 1966: Tuesday 13 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": "1966-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Aghora Caturdaśī 1966 falls on Tuesday 13 September. Caturdaśī runs from 10:54 on Tue 13 Sep to 07:07 on Wed 14 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/shivaratri?on=1966-09-13", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24269, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-09-13T10:53:51+08:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "end": { "local": "1966-09-14T07:07:25+08:00", "utc": "1966-09-13T23:07:25Z", "ms": -104115155093.2136 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-13T10:53:51+08:00", "utc": "1966-09-13T02:53:51Z", "ms": -104187969249.27644 }, "end": { "local": "1966-09-14T07:07:25+08:00", "utc": "1966-09-13T23:07:25Z", "ms": -104115155093.2136 } }, "kaala": "nishita", "days": [ { "local_date": "1966-09-12", "window": { "start": { "local": "1966-09-12T23:35:17+08:00", "utc": "1966-09-12T15:35:17Z", "ms": -104228682715.58533 }, "end": { "local": "1966-09-13T00:23:17+08:00", "utc": "1966-09-12T16:23:17Z", "ms": -104225802715.58533 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-13", "window": { "start": { "local": "1966-09-13T23:34:56+08:00", "utc": "1966-09-13T15:34:56Z", "ms": -104142303743.19217 }, "end": { "local": "1966-09-14T00:22:56+08:00", "utc": "1966-09-13T16:22:56Z", "ms": -104139423743.19217 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:54 on Tue 13 Sep to 07:07 on Wed 14 Sep.", "fact": "1966-09-13T02:53:51Z → 1966-09-13T23:07:25Z" }, { "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 24269 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Tuesday 13 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": "1966-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Tuesday 13 September. Caturdaśī runs from 10:54 on Tue 13 Sep to 07:07 on Wed 14 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-09-13", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30048, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-09-15T03:13:14+08:00", "utc": "1966-09-14T19:13:14Z", "ms": -104042805841.55312 }, "end": { "local": "1966-09-15T23:22:32+08:00", "utc": "1966-09-15T15:22:32Z", "ms": -103970247659.00716 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-15T03:13:14+08:00", "utc": "1966-09-14T19:13:14Z", "ms": -104042805841.55312 }, "end": { "local": "1966-09-15T23:22:32+08:00", "utc": "1966-09-15T15:22:32Z", "ms": -103970247659.00716 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-15", "window": { "start": { "local": "1966-09-15T11:34:02+08:00", "utc": "1966-09-15T03:34:02Z", "ms": -104012758112.67188 }, "end": { "local": "1966-09-15T12:22:02+08:00", "utc": "1966-09-15T04:22:02Z", "ms": -104009878112.67188 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-16", "window": { "start": { "local": "1966-09-16T11:33:41+08:00", "utc": "1966-09-16T03:33:41Z", "ms": -103926379330.27701 }, "end": { "local": "1966-09-16T12:21:41+08:00", "utc": "1966-09-16T04:21:41Z", "ms": -103923499330.27701 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 03:13 on Thu 15 Sep to 23:23 on Thu 15 Sep.", "fact": "1966-09-14T19:13:14Z → 1966-09-15T15:22:32Z" }, { "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": "Pratipadā 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 30048 s" }, { "step": "ruling", "text": "Rudra Vrata, Fuzhou, 1966: Thursday 15 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": "1966-09-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Rudra Vrata 1966 falls on Thursday 15 September. Pratipadā runs from 03:13 on Thu 15 Sep to 23:23 on Thu 15 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15195, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1966-09-16T19:46:16+08:00", "utc": "1966-09-16T11:46:16Z", "ms": -103896824307.43617 }, "end": { "local": "1966-09-17T16:34:35+08:00", "utc": "1966-09-17T08:34:35Z", "ms": -103821925082.58537 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-16T19:46:16+08:00", "utc": "1966-09-16T11:46:16Z", "ms": -103896824307.43617 }, "end": { "local": "1966-09-17T16:34:35+08:00", "utc": "1966-09-17T08:34:35Z", "ms": -103821925082.58537 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-16", "window": { "start": { "local": "1966-09-16T11:33:41+08:00", "utc": "1966-09-16T03:33:41Z", "ms": -103926379330.27701 }, "end": { "local": "1966-09-16T12:21:41+08:00", "utc": "1966-09-16T04:21:41Z", "ms": -103923499330.27701 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-17", "window": { "start": { "local": "1966-09-17T11:33:19+08:00", "utc": "1966-09-17T03:33:19Z", "ms": -103840000581.3787 }, "end": { "local": "1966-09-17T12:21:19+08:00", "utc": "1966-09-17T04:21:19Z", "ms": -103837120581.3787 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:46 on Fri 16 Sep to 16:35 on Sat 17 Sep.", "fact": "1966-09-16T11:46:16Z → 1966-09-17T08:34:35Z" }, { "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": "Tṛtīyā 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: paraviddha → only-day · margin 15195 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Fuzhou, 1966: Saturday 17 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": "1966-09-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 1966 falls on Saturday 17 September. Tṛtīyā runs from 19:46 on Fri 16 Sep to 16:35 on Sat 17 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5726, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-09-17T16:34:35+08:00", "utc": "1966-09-17T08:34:35Z", "ms": -103821925082.58537 }, "end": { "local": "1966-09-18T13:56:24+08:00", "utc": "1966-09-18T05:56:24Z", "ms": -103745015900.47168 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-17T16:34:35+08:00", "utc": "1966-09-17T08:34:35Z", "ms": -103821925082.58537 }, "end": { "local": "1966-09-18T13:56:24+08:00", "utc": "1966-09-18T05:56:24Z", "ms": -103745015900.47168 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-17", "window": { "start": { "local": "1966-09-17T11:33:19+08:00", "utc": "1966-09-17T03:33:19Z", "ms": -103840000581.3787 }, "end": { "local": "1966-09-17T12:21:19+08:00", "utc": "1966-09-17T04:21:19Z", "ms": -103837120581.3787 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-18", "window": { "start": { "local": "1966-09-18T11:32:58+08:00", "utc": "1966-09-18T03:32:58Z", "ms": -103753621849.998 }, "end": { "local": "1966-09-18T12:20:58+08:00", "utc": "1966-09-18T04:20:58Z", "ms": -103750741849.998 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 16:35 on Sat 17 Sep to 13:56 on Sun 18 Sep.", "fact": "1966-09-17T08:34:35Z → 1966-09-18T05:56:24Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 5726 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Fuzhou, 1966: Sunday 18 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": "1966-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Caturthī 1966 falls on Sunday 18 September. Caturthī runs from 16:35 on Sat 17 Sep to 13:56 on Sun 18 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1311, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-09-18T13:56:24+08:00", "utc": "1966-09-18T05:56:24Z", "ms": -103745015900.47168 }, "end": { "local": "1966-09-19T11:58:46+08:00", "utc": "1966-09-19T03:58:46Z", "ms": -103665674496.06273 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-18T13:56:24+08:00", "utc": "1966-09-18T05:56:24Z", "ms": -103745015900.47168 }, "end": { "local": "1966-09-19T11:58:46+08:00", "utc": "1966-09-19T03:58:46Z", "ms": -103665674496.06273 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-18", "window": { "start": { "local": "1966-09-18T11:32:58+08:00", "utc": "1966-09-18T03:32:58Z", "ms": -103753621849.998 }, "end": { "local": "1966-09-18T12:20:58+08:00", "utc": "1966-09-18T04:20:58Z", "ms": -103750741849.998 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-19", "window": { "start": { "local": "1966-09-19T11:32:37+08:00", "utc": "1966-09-19T03:32:37Z", "ms": -103667243119.03163 }, "end": { "local": "1966-09-19T12:20:37+08:00", "utc": "1966-09-19T04:20:37Z", "ms": -103664363119.03163 } }, "covered_min": 26, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 13:56 on Sun 18 Sep to 11:59 on Mon 19 Sep.", "fact": "1966-09-18T05:56:24Z → 1966-09-19T03:58:46Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 18th, 11:33–12:21 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 26 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 1311 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Fuzhou, 1966: Monday 19 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": "1966-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Pañcamī 1966 falls on Monday 19 September. Pañcamī runs from 13:56 on Sun 18 Sep to 11:59 on Mon 19 Sep and covers 26 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1311, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-09-19T11:58:46+08:00", "utc": "1966-09-19T03:58:46Z", "ms": -103665674496.06273 }, "end": { "local": "1966-09-20T10:46:13+08:00", "utc": "1966-09-20T02:46:13Z", "ms": -103583626940.62798 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-19T11:58:46+08:00", "utc": "1966-09-19T03:58:46Z", "ms": -103665674496.06273 }, "end": { "local": "1966-09-20T10:46:13+08:00", "utc": "1966-09-20T02:46:13Z", "ms": -103583626940.62798 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-19", "window": { "start": { "local": "1966-09-19T11:32:37+08:00", "utc": "1966-09-19T03:32:37Z", "ms": -103667243119.03163 }, "end": { "local": "1966-09-19T12:20:37+08:00", "utc": "1966-09-19T04:20:37Z", "ms": -103664363119.03163 } }, "covered_min": 22, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-20", "window": { "start": { "local": "1966-09-20T11:32:16+08:00", "utc": "1966-09-20T03:32:16Z", "ms": -103580864370.2124 }, "end": { "local": "1966-09-20T12:20:16+08:00", "utc": "1966-09-20T04:20:16Z", "ms": -103577984370.2124 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:59 on Mon 19 Sep to 10:46 on Tue 20 Sep.", "fact": "1966-09-19T03:58:46Z → 1966-09-20T02:46:13Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 19th, 11:32–12:20 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 22 of 48 minutes on the 19th and 0 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1311 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 1966: Monday 19 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": "1966-09-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-20", "confidence": "boundary" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 1966 falls on Monday 19 September. Ṣaṣṭhī runs from 11:59 on Mon 19 Sep to 10:46 on Tue 20 Sep and covers 22 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2763, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-09-20T10:46:13+08:00", "utc": "1966-09-20T02:46:13Z", "ms": -103583626940.62798 }, "end": { "local": "1966-09-21T10:20:22+08:00", "utc": "1966-09-21T02:20:22Z", "ms": -103498778148.54028 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-20T10:46:13+08:00", "utc": "1966-09-20T02:46:13Z", "ms": -103583626940.62798 }, "end": { "local": "1966-09-21T10:20:22+08:00", "utc": "1966-09-21T02:20:22Z", "ms": -103498778148.54028 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-20", "window": { "start": { "local": "1966-09-20T11:32:16+08:00", "utc": "1966-09-20T03:32:16Z", "ms": -103580864370.2124 }, "end": { "local": "1966-09-20T12:20:16+08:00", "utc": "1966-09-20T04:20:16Z", "ms": -103577984370.2124 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-21", "window": { "start": { "local": "1966-09-21T11:31:54+08:00", "utc": "1966-09-21T03:31:54Z", "ms": -103494485584.20155 }, "end": { "local": "1966-09-21T12:19:54+08:00", "utc": "1966-09-21T04:19:54Z", "ms": -103491605584.20155 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 10:46 on Tue 20 Sep to 10:20 on Wed 21 Sep.", "fact": "1966-09-20T02:46:13Z → 1966-09-21T02:20:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 20th, 11:32–12:20 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2763 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Fuzhou, 1966: Tuesday 20 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": "1966-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-20", "confidence": "boundary" } ], "quote": "In Fuzhou, Muktābharaṇa Vrata 1966 falls on Tuesday 20 September. Saptamī runs from 10:46 on Tue 20 Sep to 10:20 on Wed 21 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3119, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-09-21T10:20:22+08:00", "utc": "1966-09-21T02:20:22Z", "ms": -103498778148.54028 }, "end": { "local": "1966-09-22T10:39:34+08:00", "utc": "1966-09-22T02:39:34Z", "ms": -103411225664.40552 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-21T10:20:22+08:00", "utc": "1966-09-21T02:20:22Z", "ms": -103498778148.54028 }, "end": { "local": "1966-09-22T10:39:34+08:00", "utc": "1966-09-22T02:39:34Z", "ms": -103411225664.40552 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-21", "window": { "start": { "local": "1966-09-21T11:31:54+08:00", "utc": "1966-09-21T03:31:54Z", "ms": -103494485584.20155 }, "end": { "local": "1966-09-21T12:19:54+08:00", "utc": "1966-09-21T04:19:54Z", "ms": -103491605584.20155 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-09-22", "window": { "start": { "local": "1966-09-22T11:31:33+08:00", "utc": "1966-09-22T03:31:33Z", "ms": -103408106740.74306 }, "end": { "local": "1966-09-22T12:19:33+08:00", "utc": "1966-09-22T04:19:33Z", "ms": -103405226740.74306 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:20 on Wed 21 Sep to 10:40 on Thu 22 Sep.", "fact": "1966-09-21T02:20:22Z → 1966-09-22T02:39:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 21st, 11:32–12:20 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī 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 3119 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Fuzhou, 1966: Wednesday 21 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": "1966-09-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-21", "confidence": "boundary" } ], "quote": "In Fuzhou, Rādhāṣṭamī 1966 falls on Wednesday 21 September. Aṣṭamī runs from 10:20 on Wed 21 Sep to 10:40 on Thu 22 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-09-25", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26425, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-09-24T13:12:24+08:00", "utc": "1966-09-24T05:12:24Z", "ms": -103229256043.15082 }, "end": { "local": "1966-09-25T15:10:59+08:00", "utc": "1966-09-25T07:10:59Z", "ms": -103135741389.96242 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-24T13:12:24+08:00", "utc": "1966-09-24T05:12:24Z", "ms": -103229256043.15082 }, "end": { "local": "1966-09-25T15:10:59+08:00", "utc": "1966-09-25T07:10:59Z", "ms": -103135741389.96242 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-09-24", "window": { "start": { "local": "1966-09-24T05:51:59+08:00", "utc": "1966-09-23T21:51:59Z", "ms": -103255681275.5255 }, "end": { "local": "1966-09-24T05:51:59+08:00", "utc": "1966-09-23T21:51:59Z", "ms": -103255681275.5255 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-09-25", "window": { "start": { "local": "1966-09-25T05:52:24+08:00", "utc": "1966-09-24T21:52:24Z", "ms": -103169256459.58412 }, "end": { "local": "1966-09-25T05:52:24+08:00", "utc": "1966-09-24T21:52:24Z", "ms": -103169256459.58412 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 13:12 on Sat 24 Sep to 15:11 on Sun 25 Sep.", "fact": "1966-09-24T05:12:24Z → 1966-09-25T07:10:59Z" }, { "step": "kaala", "text": "Sunrise is at 05:52 on the 24th and 05:52 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 26425 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Fuzhou, 1966: Sunday 25 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": "1966-09-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Parivartanī Ekādaśī 1966 falls on Sunday 25 September. Ekādaśī runs from 13:12 on Sat 24 Sep to 15:11 on Sun 25 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-09-25", "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/1966/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10348, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-09-25T15:10:59+08:00", "utc": "1966-09-25T07:10:59Z", "ms": -103135741389.96242 }, "end": { "local": "1966-09-26T17:26:43+08:00", "utc": "1966-09-26T09:26:43Z", "ms": -103041197148.7388 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-25T15:10:59+08:00", "utc": "1966-09-25T07:10:59Z", "ms": -103135741389.96242 }, "end": { "local": "1966-09-26T17:26:43+08:00", "utc": "1966-09-26T09:26:43Z", "ms": -103041197148.7388 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-09-25", "window": { "start": { "local": "1966-09-25T11:30:30+08:00", "utc": "1966-09-25T03:30:30Z", "ms": -103148969652.77008 }, "end": { "local": "1966-09-25T12:18:30+08:00", "utc": "1966-09-25T04:18:30Z", "ms": -103146089652.77008 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-09-26", "window": { "start": { "local": "1966-09-26T11:30:10+08:00", "utc": "1966-09-26T03:30:10Z", "ms": -103062590364.10408 }, "end": { "local": "1966-09-26T12:18:10+08:00", "utc": "1966-09-26T04:18:10Z", "ms": -103059710364.10408 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 15:11 on Sun 25 Sep to 17:27 on Mon 26 Sep.", "fact": "1966-09-25T07:10:59Z → 1966-09-26T09:26:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 25th, 11:30–12:18 on the 26th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10348 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Fuzhou, 1966: Monday 26 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": "1966-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Vāmana Jayantī 1966 falls on Monday 26 September. Dvādaśī runs from 15:11 on Sun 25 Sep to 17:27 on Mon 26 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pradosha-vrata?on=1966-09-27", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-27", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 1308, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-09-26T17:26:43+08:00", "utc": "1966-09-26T09:26:43Z", "ms": -103041197148.7388 }, "end": { "local": "1966-09-27T19:52:07+08:00", "utc": "1966-09-27T11:52:07Z", "ms": -102946073357.34283 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-26T17:26:43+08:00", "utc": "1966-09-26T09:26:43Z", "ms": -103041197148.7388 }, "end": { "local": "1966-09-27T19:52:07+08:00", "utc": "1966-09-27T11:52:07Z", "ms": -102946073357.34283 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-09-26", "window": { "start": { "local": "1966-09-26T17:55:31+08:00", "utc": "1966-09-26T09:55:31Z", "ms": -103039469222.57765 }, "end": { "local": "1966-09-26T19:31:12+08:00", "utc": "1966-09-26T11:31:12Z", "ms": -103033727512.48434 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1966-09-27", "window": { "start": { "local": "1966-09-27T17:54:25+08:00", "utc": "1966-09-27T09:54:25Z", "ms": -102953135419.36035 }, "end": { "local": "1966-09-27T19:30:18+08:00", "utc": "1966-09-27T11:30:18Z", "ms": -102947381512.27039 } }, "covered_min": 96, "window_min": 96, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 17:27 on Mon 26 Sep to 19:52 on Tue 27 Sep.", "fact": "1966-09-26T09:26:43Z → 1966-09-27T11:52:07Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:56–19:31 on the 26th, 17:54–19:30 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 26th and 96 of 96 on the 27th.", "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 1308 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Tuesday 27 September.", "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": "1966-09-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-26", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Tuesday 27 September. Trayodaśī runs from 17:27 on Mon 26 Sep to 19:52 on Tue 27 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 96 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/1966/pradosha-vrata?on=1966-09-27", "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/1966/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27198, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-09-27T19:52:07+08:00", "utc": "1966-09-27T11:52:07Z", "ms": -102946073357.34283 }, "end": { "local": "1966-09-28T22:20:46+08:00", "utc": "1966-09-28T14:20:46Z", "ms": -102850753852.16377 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1966-09-27T19:52:07+08:00", "utc": "1966-09-27T11:52:07Z", "ms": -102946073357.34283 }, "end": { "local": "1966-09-28T22:20:46+08:00", "utc": "1966-09-28T14:20:46Z", "ms": -102850753852.16377 } }, "kaala": "udaya-3", "days": [ { "local_date": "1966-09-28", "window": { "start": { "local": "1966-09-28T05:53:39+08:00", "utc": "1966-09-27T21:53:39Z", "ms": -102909981116.1856 }, "end": { "local": "1966-09-28T08:17:35+08:00", "utc": "1966-09-28T00:17:35Z", "ms": -102901345174.44194 } }, "covered_min": 144, "window_min": 144, "qualifies": true }, { "local_date": "1966-09-29", "window": { "start": { "local": "1966-09-29T05:54:04+08:00", "utc": "1966-09-28T21:54:04Z", "ms": -102823555646.15321 }, "end": { "local": "1966-09-29T08:17:42+08:00", "utc": "1966-09-29T00:17:42Z", "ms": -102814937948.51303 } }, "covered_min": 0, "window_min": 144, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:52 on Tue 27 Sep to 22:21 on Wed 28 Sep.", "fact": "1966-09-27T11:52:07Z → 1966-09-28T14:20:46Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:54–08:18 on the 28th, 05:54–08:18 on the 29th.", "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 144 of 144 minutes on the 28th and 0 of 144 on the 29th.", "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 27198 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Fuzhou, 1966: Wednesday 28 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": "1966-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-09-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Ananta Caturdaśī 1966 falls on Wednesday 28 September. Caturdaśī runs from 19:52 on Tue 27 Sep to 22:21 on Wed 28 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-10-03", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42104, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-10-03T07:04:08+08:00", "utc": "1966-10-02T23:04:08Z", "ms": -102473752369.14793 }, "end": { "local": "1966-10-04T08:30:44+08:00", "utc": "1966-10-04T00:30:44Z", "ms": -102382155868.78818 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-03T07:04:08+08:00", "utc": "1966-10-02T23:04:08Z", "ms": -102473752369.14793 }, "end": { "local": "1966-10-04T08:30:44+08:00", "utc": "1966-10-04T00:30:44Z", "ms": -102382155868.78818 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-10-02", "window": { "start": { "local": "1966-10-02T19:22:23+08:00", "utc": "1966-10-02T11:22:23Z", "ms": -102515856754.96814 }, "end": { "local": "1966-10-02T19:22:23+08:00", "utc": "1966-10-02T11:22:23Z", "ms": -102515856754.96814 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-10-03", "window": { "start": { "local": "1966-10-03T19:56:54+08:00", "utc": "1966-10-03T11:56:54Z", "ms": -102427386404.32301 }, "end": { "local": "1966-10-03T19:56:54+08:00", "utc": "1966-10-03T11:56:54Z", "ms": -102427386404.32301 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:04 on Mon 3 Oct to 08:31 on Tue 4 Oct.", "fact": "1966-10-02T23:04:08Z → 1966-10-04T00:30:44Z" }, { "step": "kaala", "text": "Moonrise is at 19:22 on the 2nd and 19:57 on the 3rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 42104 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Monday 3 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Monday 3 October. Caturthī runs from 07:04 on Mon 3 Oct to 08:31 on Tue 4 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-10-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 42793, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-10-05T09:27:49+08:00", "utc": "1966-10-05T01:27:49Z", "ms": -102292331084.87688 }, "end": { "local": "1966-10-06T09:49:45+08:00", "utc": "1966-10-06T01:49:45Z", "ms": -102204615267.12949 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-05T09:27:49+08:00", "utc": "1966-10-05T01:27:49Z", "ms": -102292331084.87688 }, "end": { "local": "1966-10-06T09:49:45+08:00", "utc": "1966-10-06T01:49:45Z", "ms": -102204615267.12949 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-10-05", "window": { "start": { "local": "1966-10-05T21:21:02+08:00", "utc": "1966-10-05T13:21:02Z", "ms": -102249538328.7177 }, "end": { "local": "1966-10-05T21:21:02+08:00", "utc": "1966-10-05T13:21:02Z", "ms": -102249538328.7177 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-10-06", "window": { "start": { "local": "1966-10-06T22:12:49+08:00", "utc": "1966-10-06T14:12:49Z", "ms": -102160031200.99904 }, "end": { "local": "1966-10-06T22:12:49+08:00", "utc": "1966-10-06T14:12:49Z", "ms": -102160031200.99904 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 09:28 on Wed 5 Oct to 09:50 on Thu 6 Oct.", "fact": "1966-10-05T01:27:49Z → 1966-10-06T01:49:45Z" }, { "step": "kaala", "text": "Moonrise is at 21:21 on the 5th and 22:13 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is on the 5th and is not on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 42793 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Fuzhou, 1966: Wednesday 5 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Candra Ṣaṣṭhī 1966 falls on Wednesday 5 October. Ṣaṣṭhī runs from 09:28 on Wed 5 Oct to 09:50 on Thu 6 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29481, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-10-07T09:32:18+08:00", "utc": "1966-10-07T01:32:18Z", "ms": -102119262108.87506 }, "end": { "local": "1966-10-08T08:33:24+08:00", "utc": "1966-10-08T00:33:24Z", "ms": -102036395938.13837 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-07T09:32:18+08:00", "utc": "1966-10-07T01:32:18Z", "ms": -102119262108.87506 }, "end": { "local": "1966-10-08T08:33:24+08:00", "utc": "1966-10-08T00:33:24Z", "ms": -102036395938.13837 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-10-07", "window": { "start": { "local": "1966-10-07T17:43:39+08:00", "utc": "1966-10-07T09:43:39Z", "ms": -102089781121.9204 }, "end": { "local": "1966-10-07T19:21:34+08:00", "utc": "1966-10-07T11:21:34Z", "ms": -102083905645.54929 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1966-10-08", "window": { "start": { "local": "1966-10-08T17:42:37+08:00", "utc": "1966-10-08T09:42:37Z", "ms": -102003443429.01323 }, "end": { "local": "1966-10-08T19:20:44+08:00", "utc": "1966-10-08T11:20:44Z", "ms": -101997555873.20377 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:32 on Fri 7 Oct to 08:33 on Sat 8 Oct.", "fact": "1966-10-07T01:32:18Z → 1966-10-08T00:33:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:22 on the 7th, 17:43–19:21 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 98 of 98 minutes on the 7th and 0 of 98 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29481 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Fuzhou, 1966: Friday 7 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 1966 falls on Friday 7 October. Aṣṭamī runs from 09:32 on Fri 7 Oct to 08:33 on Sat 8 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33727, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-10-07T09:32:18+08:00", "utc": "1966-10-07T01:32:18Z", "ms": -102119262108.87506 }, "end": { "local": "1966-10-08T08:33:24+08:00", "utc": "1966-10-08T00:33:24Z", "ms": -102036395938.13837 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-07T09:32:18+08:00", "utc": "1966-10-07T01:32:18Z", "ms": -102119262108.87506 }, "end": { "local": "1966-10-08T08:33:24+08:00", "utc": "1966-10-08T00:33:24Z", "ms": -102036395938.13837 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-10-06", "window": { "start": { "local": "1966-10-06T22:12:49+08:00", "utc": "1966-10-06T14:12:49Z", "ms": -102160031200.99904 }, "end": { "local": "1966-10-06T22:12:49+08:00", "utc": "1966-10-06T14:12:49Z", "ms": -102160031200.99904 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-10-07", "window": { "start": { "local": "1966-10-07T23:11:17+08:00", "utc": "1966-10-07T15:11:17Z", "ms": -102070123150.24962 }, "end": { "local": "1966-10-07T23:11:17+08:00", "utc": "1966-10-07T15:11:17Z", "ms": -102070123150.24962 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:32 on Fri 7 Oct to 08:33 on Sat 8 Oct.", "fact": "1966-10-07T01:32:18Z → 1966-10-08T00:33:24Z" }, { "step": "kaala", "text": "Moonrise is at 22:13 on the 6th and 23:11 on the 7th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 6th and is on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 33727 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 1966: Friday 7 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 1966 falls on Friday 7 October. Aṣṭamī runs from 09:32 on Fri 7 Oct to 08:33 on Sat 8 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-10-10", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4981, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-10-10T04:36:01+08:00", "utc": "1966-10-09T20:36:01Z", "ms": -101877838775.00392 }, "end": { "local": "1966-10-11T01:46:16+08:00", "utc": "1966-10-10T17:46:16Z", "ms": -101801624295.34425 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-10T04:36:01+08:00", "utc": "1966-10-09T20:36:01Z", "ms": -101877838775.00392 }, "end": { "local": "1966-10-11T01:46:16+08:00", "utc": "1966-10-10T17:46:16Z", "ms": -101801624295.34425 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-10-10", "window": { "start": { "local": "1966-10-10T05:59:02+08:00", "utc": "1966-10-09T21:59:02Z", "ms": -101872858111.55443 }, "end": { "local": "1966-10-10T05:59:02+08:00", "utc": "1966-10-09T21:59:02Z", "ms": -101872858111.55443 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-10-11", "window": { "start": { "local": "1966-10-11T05:59:31+08:00", "utc": "1966-10-10T21:59:31Z", "ms": -101786429093.07118 }, "end": { "local": "1966-10-11T05:59:31+08:00", "utc": "1966-10-10T21:59:31Z", "ms": -101786429093.07118 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 04:36 on Mon 10 Oct to 01:46 on Tue 11 Oct.", "fact": "1966-10-09T20:36:01Z → 1966-10-10T17:46:16Z" }, { "step": "kaala", "text": "Sunrise is at 05:59 on the 10th and 06:00 on the 11th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is 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": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4981 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Fuzhou, 1966: Monday 10 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": "1966-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Indirā Ekādaśī 1966 falls on Monday 10 October. Ekādaśī runs from 04:36 on Mon 10 Oct to 01:46 on Tue 11 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-10-10", "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/1966/pradosha-vrata?on=1966-10-12", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 972, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-10-11T22:31:45+08:00", "utc": "1966-10-11T14:31:45Z", "ms": -101726895178.51654 }, "end": { "local": "1966-10-12T19:01:17+08:00", "utc": "1966-10-12T11:01:17Z", "ms": -101653123165.37762 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-11T22:31:45+08:00", "utc": "1966-10-11T14:31:45Z", "ms": -101726895178.51654 }, "end": { "local": "1966-10-12T19:01:17+08:00", "utc": "1966-10-12T11:01:17Z", "ms": -101653123165.37762 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-10-11", "window": { "start": { "local": "1966-10-11T17:39:33+08:00", "utc": "1966-10-11T09:39:33Z", "ms": -101744427090.85097 }, "end": { "local": "1966-10-11T19:18:17+08:00", "utc": "1966-10-11T11:18:17Z", "ms": -101738503438.3685 } }, "covered_min": 0, "window_min": 99, "qualifies": false }, { "local_date": "1966-10-12", "window": { "start": { "local": "1966-10-12T17:38:33+08:00", "utc": "1966-10-12T09:38:33Z", "ms": -101658087137.41814 }, "end": { "local": "1966-10-12T19:17:28+08:00", "utc": "1966-10-12T11:17:28Z", "ms": -101652151508.14339 } }, "covered_min": 83, "window_min": 99, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:32 on Tue 11 Oct to 19:01 on Wed 12 Oct.", "fact": "1966-10-11T14:31:45Z → 1966-10-12T11:01:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:18 on the 11th, 17:39–19:17 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 99 minutes on the 11th and 83 of 99 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 972 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Wednesday 12 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": "1966-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Wednesday 12 October. Trayodaśī runs from 22:32 on Tue 11 Oct to 19:01 on Wed 12 Oct and covers 83 of 99 minutes of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/shivaratri?on=1966-10-12", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15855, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-10-12T19:01:17+08:00", "utc": "1966-10-12T11:01:17Z", "ms": -101653123165.37762 }, "end": { "local": "1966-10-13T15:24:32+08:00", "utc": "1966-10-13T07:24:32Z", "ms": -101579728156.98201 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-12T19:01:17+08:00", "utc": "1966-10-12T11:01:17Z", "ms": -101653123165.37762 }, "end": { "local": "1966-10-13T15:24:32+08:00", "utc": "1966-10-13T07:24:32Z", "ms": -101579728156.98201 } }, "kaala": "nishita", "days": [ { "local_date": "1966-10-12", "window": { "start": { "local": "1966-10-12T23:25:31+08:00", "utc": "1966-10-12T15:25:31Z", "ms": -101637268527.6378 }, "end": { "local": "1966-10-13T00:13:31+08:00", "utc": "1966-10-12T16:13:31Z", "ms": -101634388527.6378 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-10-13", "window": { "start": { "local": "1966-10-13T23:25:17+08:00", "utc": "1966-10-13T15:25:17Z", "ms": -101550883152.85095 }, "end": { "local": "1966-10-14T00:13:17+08:00", "utc": "1966-10-13T16:13:17Z", "ms": -101548003152.85095 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 19:01 on Wed 12 Oct to 15:25 on Thu 13 Oct.", "fact": "1966-10-12T11:01:17Z → 1966-10-13T07:24:32Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:26–00:14 on the 12th, 23:25–00:13 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15855 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Wednesday 12 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Wednesday 12 October. Caturdaśī runs from 19:01 on Wed 12 Oct to 15:25 on Thu 13 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-10-12", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-13", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 383, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1966-10-13T15:24:32+08:00", "utc": "1966-10-13T07:24:32Z", "ms": -101579728156.98201 }, "end": { "local": "1966-10-14T11:51:35+08:00", "utc": "1966-10-14T03:51:35Z", "ms": -101506104692.35118 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-13T15:24:32+08:00", "utc": "1966-10-13T07:24:32Z", "ms": -101579728156.98201 }, "end": { "local": "1966-10-14T11:51:35+08:00", "utc": "1966-10-14T03:51:35Z", "ms": -101506104692.35118 } }, "kaala": "aparahna", "days": [ { "local_date": "1966-10-13", "window": { "start": { "local": "1966-10-13T12:58:44+08:00", "utc": "1966-10-13T04:58:44Z", "ms": -101588475900.47302 }, "end": { "local": "1966-10-13T15:18:09+08:00", "utc": "1966-10-13T07:18:09Z", "ms": -101580111228.01155 } }, "covered_min": 0, "window_min": 139, "qualifies": false }, { "local_date": "1966-10-14", "window": { "start": { "local": "1966-10-14T12:58:21+08:00", "utc": "1966-10-14T04:58:21Z", "ms": -101502099093.03146 }, "end": { "local": "1966-10-14T15:17:28+08:00", "utc": "1966-10-14T07:17:28Z", "ms": -101493752207.32466 } }, "covered_min": 0, "window_min": 139, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 15:25 on Thu 13 Oct to 11:52 on Fri 14 Oct.", "fact": "1966-10-13T07:24:32Z → 1966-10-14T03:51:35Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:59–15:18 on the 13th, 12:58–15:17 on the 14th.", "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 139 minutes on the 13th and 0 of 139 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither afternoon qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 383 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Fuzhou, 1966: Thursday 13 October.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-10-13", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-13", "confidence": "boundary" } ], "quote": "In Fuzhou, Mahālaya Amāvāsyā 1966 falls on Thursday 13 October. Amāvasyā runs from 15:25 on Thu 13 Oct to 11:52 on Fri 14 Oct, and reaches aparāhṇa on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1272, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-10-14T11:51:35+08:00", "utc": "1966-10-14T03:51:35Z", "ms": -101506104692.35118 }, "end": { "local": "1966-10-15T08:32:34+08:00", "utc": "1966-10-15T00:32:34Z", "ms": -101431646101.1541 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-14T11:51:35+08:00", "utc": "1966-10-14T03:51:35Z", "ms": -101506104692.35118 }, "end": { "local": "1966-10-15T08:32:34+08:00", "utc": "1966-10-15T00:32:34Z", "ms": -101431646101.1541 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-14", "window": { "start": { "local": "1966-10-14T11:24:47+08:00", "utc": "1966-10-14T03:24:47Z", "ms": -101507712535.88486 }, "end": { "local": "1966-10-14T12:12:47+08:00", "utc": "1966-10-14T04:12:47Z", "ms": -101504832535.88486 } }, "covered_min": 21, "window_min": 48, "qualifies": true }, { "local_date": "1966-10-15", "window": { "start": { "local": "1966-10-15T11:24:34+08:00", "utc": "1966-10-15T03:24:34Z", "ms": -101421326301.33539 }, "end": { "local": "1966-10-15T12:12:34+08:00", "utc": "1966-10-15T04:12:34Z", "ms": -101418446301.33539 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 11:52 on Fri 14 Oct to 08:33 on Sat 15 Oct.", "fact": "1966-10-14T03:51:35Z → 1966-10-15T00:32:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 14th, 11:25–12:13 on the 15th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 21 of 48 minutes on the 14th and 0 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1272 s" }, { "step": "ruling", "text": "Navarātrārambha, Fuzhou, 1966: Friday 14 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": "1966-10-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Navratri) 1966 falls on Friday 14 October. Pratipadā runs from 11:52 on Fri 14 Oct to 08:33 on Sat 15 Oct and covers 21 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-10-17", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29390, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-10-17T03:14:17+08:00", "utc": "1966-10-16T19:14:17Z", "ms": -101277942556.06207 }, "end": { "local": "1966-10-18T01:31:18+08:00", "utc": "1966-10-17T17:31:18Z", "ms": -101197721535.65677 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-17T03:14:17+08:00", "utc": "1966-10-16T19:14:17Z", "ms": -101277942556.06207 }, "end": { "local": "1966-10-18T01:31:18+08:00", "utc": "1966-10-17T17:31:18Z", "ms": -101197721535.65677 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-17", "window": { "start": { "local": "1966-10-17T11:24:08+08:00", "utc": "1966-10-17T03:24:08Z", "ms": -101248552177.54283 }, "end": { "local": "1966-10-17T12:12:08+08:00", "utc": "1966-10-17T04:12:08Z", "ms": -101245672177.54283 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-10-18", "window": { "start": { "local": "1966-10-18T11:23:56+08:00", "utc": "1966-10-18T03:23:56Z", "ms": -101162164260.7104 }, "end": { "local": "1966-10-18T12:11:56+08:00", "utc": "1966-10-18T04:11:56Z", "ms": -101159284260.7104 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 03:14 on Mon 17 Oct to 01:31 on Tue 18 Oct.", "fact": "1966-10-16T19:14:17Z → 1966-10-17T17:31:18Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 17th, 11:24–12:12 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29390 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Monday 17 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": "1966-10-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Monday 17 October. Caturthī runs from 03:14 on Mon 17 Oct to 01:31 on Tue 18 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-10-17", "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/1966/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18286, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-10-20T00:23:23+08:00", "utc": "1966-10-19T16:23:23Z", "ms": -101028997048.20094 }, "end": { "local": "1966-10-21T00:59:56+08:00", "utc": "1966-10-20T16:59:56Z", "ms": -100940403862.89838 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-20T00:23:23+08:00", "utc": "1966-10-19T16:23:23Z", "ms": -101028997048.20094 }, "end": { "local": "1966-10-21T00:59:56+08:00", "utc": "1966-10-20T16:59:56Z", "ms": -100940403862.89838 } }, "kaala": "udaya-1", "days": [ { "local_date": "1966-10-20", "window": { "start": { "local": "1966-10-20T06:04:10+08:00", "utc": "1966-10-19T22:04:10Z", "ms": -101008550403.20673 }, "end": { "local": "1966-10-20T06:49:57+08:00", "utc": "1966-10-19T22:49:57Z", "ms": -101005803235.2869 } }, "covered_min": 46, "window_min": 46, "qualifies": true }, { "local_date": "1966-10-21", "window": { "start": { "local": "1966-10-21T06:04:43+08:00", "utc": "1966-10-20T22:04:43Z", "ms": -100922117423.17575 }, "end": { "local": "1966-10-21T06:50:24+08:00", "utc": "1966-10-20T22:50:24Z", "ms": -100919376021.78207 } }, "covered_min": 0, "window_min": 46, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:23 on Thu 20 Oct to 01:00 on Fri 21 Oct.", "fact": "1966-10-19T16:23:23Z → 1966-10-20T16:59:56Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:04–06:50 on the 20th, 06:05–06:50 on the 21st.", "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 20th and 0 of 46 on the 21st.", "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 18286 s" }, { "step": "ruling", "text": "Durgā Saptamī, Fuzhou, 1966: Thursday 20 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": "1966-10-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Saptamī 1966 falls on Thursday 20 October. Saptamī runs from 00:23 on Thu 20 Oct to 01:00 on Fri 21 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32678, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-10-21T00:59:56+08:00", "utc": "1966-10-20T16:59:56Z", "ms": -100940403862.89838 }, "end": { "local": "1966-10-22T02:18:36+08:00", "utc": "1966-10-21T18:18:36Z", "ms": -100849284467.98746 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-21T00:59:56+08:00", "utc": "1966-10-20T16:59:56Z", "ms": -100940403862.89838 }, "end": { "local": "1966-10-22T02:18:36+08:00", "utc": "1966-10-21T18:18:36Z", "ms": -100849284467.98746 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-21", "window": { "start": { "local": "1966-10-21T11:23:23+08:00", "utc": "1966-10-21T03:23:23Z", "ms": -100902996912.7232 }, "end": { "local": "1966-10-21T12:11:23+08:00", "utc": "1966-10-21T04:11:23Z", "ms": -100900116912.7232 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-10-22", "window": { "start": { "local": "1966-10-22T11:23:13+08:00", "utc": "1966-10-22T03:23:13Z", "ms": -100816606545.25937 }, "end": { "local": "1966-10-22T12:11:13+08:00", "utc": "1966-10-22T04:11:13Z", "ms": -100813726545.25937 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:00 on Fri 21 Oct to 02:19 on Sat 22 Oct.", "fact": "1966-10-20T16:59:56Z → 1966-10-21T18:18:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 21st, 11:23–12:11 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 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 midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32678 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Fuzhou, 1966: Friday 21 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": "1966-10-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 1966 falls on Friday 21 October. Aṣṭamī runs from 01:00 on Fri 21 Oct to 02:19 on Sat 22 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25895, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1966-10-22T02:18:36+08:00", "utc": "1966-10-21T18:18:36Z", "ms": -100849284467.98746 }, "end": { "local": "1966-10-23T04:11:29+08:00", "utc": "1966-10-22T20:11:29Z", "ms": -100756110805.98442 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-22T02:18:36+08:00", "utc": "1966-10-21T18:18:36Z", "ms": -100849284467.98746 }, "end": { "local": "1966-10-23T04:11:29+08:00", "utc": "1966-10-22T20:11:29Z", "ms": -100756110805.98442 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-22", "window": { "start": { "local": "1966-10-22T11:23:13+08:00", "utc": "1966-10-22T03:23:13Z", "ms": -100816606545.25937 }, "end": { "local": "1966-10-22T12:11:13+08:00", "utc": "1966-10-22T04:11:13Z", "ms": -100813726545.25937 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-10-23", "window": { "start": { "local": "1966-10-23T11:23:04+08:00", "utc": "1966-10-23T03:23:04Z", "ms": -100730215525.22159 }, "end": { "local": "1966-10-23T12:11:04+08:00", "utc": "1966-10-23T04:11:04Z", "ms": -100727335525.22159 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 02:19 on Sat 22 Oct to 04:11 on Sun 23 Oct.", "fact": "1966-10-21T18:18:36Z → 1966-10-22T20:11:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 22nd, 11:23–12:11 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 25895 s" }, { "step": "ruling", "text": "Mahānavamī, Fuzhou, 1966: Saturday 22 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": "1966-10-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahānavamī 1966 falls on Saturday 22 October. Navamī runs from 02:19 on Sat 22 Oct to 04:11 on Sun 23 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8687, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1966-10-23T04:11:29+08:00", "utc": "1966-10-22T20:11:29Z", "ms": -100756110805.98442 }, "end": { "local": "1966-10-24T06:28:26+08:00", "utc": "1966-10-23T22:28:26Z", "ms": -100661493726.94942 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-23T04:11:29+08:00", "utc": "1966-10-22T20:11:29Z", "ms": -100756110805.98442 }, "end": { "local": "1966-10-24T06:28:26+08:00", "utc": "1966-10-23T22:28:26Z", "ms": -100661493726.94942 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-10-23", "window": { "start": { "local": "1966-10-23T11:23:04+08:00", "utc": "1966-10-23T03:23:04Z", "ms": -100730215525.22159 }, "end": { "local": "1966-10-23T12:11:04+08:00", "utc": "1966-10-23T04:11:04Z", "ms": -100727335525.22159 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-10-24", "window": { "start": { "local": "1966-10-24T11:22:56+08:00", "utc": "1966-10-24T03:22:56Z", "ms": -100643823836.38498 }, "end": { "local": "1966-10-24T12:10:56+08:00", "utc": "1966-10-24T04:10:56Z", "ms": -100640943836.38498 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 04:11 on Sun 23 Oct to 06:28 on Mon 24 Oct.", "fact": "1966-10-22T20:11:29Z → 1966-10-23T22:28:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 23rd, 11:23–12:11 on the 24th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8687 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Fuzhou, 1966: Sunday 23 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": "1966-10-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 1966 falls on Sunday 23 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 04:11 on Sun 23 Oct to 06:28 on Mon 24 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-10-25", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1322, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-10-24T06:28:26+08:00", "utc": "1966-10-23T22:28:26Z", "ms": -100661493726.94942 }, "end": { "local": "1966-10-25T08:58:20+08:00", "utc": "1966-10-25T00:58:20Z", "ms": -100566100220.77089 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-24T06:28:26+08:00", "utc": "1966-10-23T22:28:26Z", "ms": -100661493726.94942 }, "end": { "local": "1966-10-25T08:58:20+08:00", "utc": "1966-10-25T00:58:20Z", "ms": -100566100220.77089 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-10-24", "window": { "start": { "local": "1966-10-24T06:06:24+08:00", "utc": "1966-10-23T22:06:24Z", "ms": -100662815957.28397 }, "end": { "local": "1966-10-24T06:06:24+08:00", "utc": "1966-10-23T22:06:24Z", "ms": -100662815957.28397 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-10-25", "window": { "start": { "local": "1966-10-25T06:06:59+08:00", "utc": "1966-10-24T22:06:59Z", "ms": -100576381277.64859 }, "end": { "local": "1966-10-25T06:06:59+08:00", "utc": "1966-10-24T22:06:59Z", "ms": -100576381277.64859 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:28 on Mon 24 Oct to 08:58 on Tue 25 Oct.", "fact": "1966-10-23T22:28:26Z → 1966-10-25T00:58:20Z" }, { "step": "kaala", "text": "Sunrise is at 06:06 on the 24th and 06:07 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 1322 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 1966: Tuesday 25 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": "1966-10-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 1966 falls on Tuesday 25 October. Ekādaśī runs from 06:28 on Mon 24 Oct to 08:58 on Tue 25 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-10-25", "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/1966/pradosha-vrata?on=1966-10-26", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12547, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-10-26T11:30:31+08:00", "utc": "1966-10-26T03:30:31Z", "ms": -100470568661.63017 }, "end": { "local": "1966-10-27T13:55:55+08:00", "utc": "1966-10-27T05:55:55Z", "ms": -100375445209.34459 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1966-10-26T11:30:31+08:00", "utc": "1966-10-26T03:30:31Z", "ms": -100470568661.63017 }, "end": { "local": "1966-10-27T13:55:55+08:00", "utc": "1966-10-27T05:55:55Z", "ms": -100375445209.34459 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-10-26", "window": { "start": { "local": "1966-10-26T17:25:49+08:00", "utc": "1966-10-26T09:25:49Z", "ms": -100449250613.71336 }, "end": { "local": "1966-10-26T19:07:28+08:00", "utc": "1966-10-26T11:07:28Z", "ms": -100443151945.99257 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1966-10-27", "window": { "start": { "local": "1966-10-27T17:25:01+08:00", "utc": "1966-10-27T09:25:01Z", "ms": -100362898586.28038 }, "end": { "local": "1966-10-27T19:06:51+08:00", "utc": "1966-10-27T11:06:51Z", "ms": -100356788722.2553 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:31 on Wed 26 Oct to 13:56 on Thu 27 Oct.", "fact": "1966-10-26T03:30:31Z → 1966-10-27T05:55:55Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:07 on the 26th, 17:25–19:07 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 26th and 0 of 102 on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12547 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Wednesday 26 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": "1966-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-10-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Wednesday 26 October. Trayodaśī runs from 11:31 on Wed 26 Oct to 13:56 on Thu 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-10-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4629, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-11-01T21:14:41+08:00", "utc": "1966-11-01T13:14:41Z", "ms": -99917118823.86717 }, "end": { "local": "1966-11-02T21:25:57+08:00", "utc": "1966-11-02T13:25:57Z", "ms": -99830043278.72356 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-01T21:14:41+08:00", "utc": "1966-11-01T13:14:41Z", "ms": -99917118823.86717 }, "end": { "local": "1966-11-02T21:25:57+08:00", "utc": "1966-11-02T13:25:57Z", "ms": -99830043278.72356 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-11-01", "window": { "start": { "local": "1966-11-01T19:19:00+08:00", "utc": "1966-11-01T11:19:00Z", "ms": -99924059599.41653 }, "end": { "local": "1966-11-01T19:19:00+08:00", "utc": "1966-11-01T11:19:00Z", "ms": -99924059599.41653 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-11-02", "window": { "start": { "local": "1966-11-02T20:08:48+08:00", "utc": "1966-11-02T12:08:48Z", "ms": -99834672491.19566 }, "end": { "local": "1966-11-02T20:08:48+08:00", "utc": "1966-11-02T12:08:48Z", "ms": -99834672491.19566 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:15 on Tue 1 Nov to 21:26 on Wed 2 Nov.", "fact": "1966-11-01T13:14:41Z → 1966-11-02T13:25:57Z" }, { "step": "kaala", "text": "Moonrise is at 19:19 on the 1st and 20:09 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 4629 s" }, { "step": "ruling", "text": "Karaka Caturthī, Fuzhou, 1966: Wednesday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 1966 falls on Wednesday 2 November. Caturthī runs from 21:15 on Tue 1 Nov to 21:26 on Wed 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-11-02", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4629, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-11-01T21:14:41+08:00", "utc": "1966-11-01T13:14:41Z", "ms": -99917118823.86717 }, "end": { "local": "1966-11-02T21:25:57+08:00", "utc": "1966-11-02T13:25:57Z", "ms": -99830043278.72356 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-01T21:14:41+08:00", "utc": "1966-11-01T13:14:41Z", "ms": -99917118823.86717 }, "end": { "local": "1966-11-02T21:25:57+08:00", "utc": "1966-11-02T13:25:57Z", "ms": -99830043278.72356 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-11-01", "window": { "start": { "local": "1966-11-01T19:19:00+08:00", "utc": "1966-11-01T11:19:00Z", "ms": -99924059599.41653 }, "end": { "local": "1966-11-01T19:19:00+08:00", "utc": "1966-11-01T11:19:00Z", "ms": -99924059599.41653 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-11-02", "window": { "start": { "local": "1966-11-02T20:08:48+08:00", "utc": "1966-11-02T12:08:48Z", "ms": -99834672491.19566 }, "end": { "local": "1966-11-02T20:08:48+08:00", "utc": "1966-11-02T12:08:48Z", "ms": -99834672491.19566 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:15 on Tue 1 Nov to 21:26 on Wed 2 Nov.", "fact": "1966-11-01T13:14:41Z → 1966-11-02T13:25:57Z" }, { "step": "kaala", "text": "Moonrise is at 19:19 on the 1st and 20:09 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 4629 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Wednesday 2 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Wednesday 2 November. Caturthī runs from 21:15 on Tue 1 Nov to 21:26 on Wed 2 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-11-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14670, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-11-05T19:06:16+08:00", "utc": "1966-11-05T11:06:16Z", "ms": -99579224315.83537 }, "end": { "local": "1966-11-06T17:23:01+08:00", "utc": "1966-11-06T09:23:01Z", "ms": -99499018991.79608 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-05T19:06:16+08:00", "utc": "1966-11-05T11:06:16Z", "ms": -99579224315.83537 }, "end": { "local": "1966-11-06T17:23:01+08:00", "utc": "1966-11-06T09:23:01Z", "ms": -99499018991.79608 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-11-05", "window": { "start": { "local": "1966-11-05T23:10:46+08:00", "utc": "1966-11-05T15:10:46Z", "ms": -99564554439.71426 }, "end": { "local": "1966-11-05T23:10:46+08:00", "utc": "1966-11-05T15:10:46Z", "ms": -99564554439.71426 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-11-06", "window": { "start": { "local": "1966-11-07T00:16:11+08:00", "utc": "1966-11-06T16:16:11Z", "ms": -99474228792.78433 }, "end": { "local": "1966-11-07T00:16:11+08:00", "utc": "1966-11-06T16:16:11Z", "ms": -99474228792.78433 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:06 on Sat 5 Nov to 17:23 on Sun 6 Nov.", "fact": "1966-11-05T11:06:16Z → 1966-11-06T09:23:01Z" }, { "step": "kaala", "text": "Moonrise is at 23:11 on the 5th and 00:16 on the 6th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī 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. 104" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 14670 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Fuzhou, 1966: Saturday 5 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ahoyi-ashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Ahoyī Aṣṭamī 1966 falls on Saturday 5 November. Aṣṭamī runs from 19:06 on Sat 5 Nov to 17:23 on Sun 6 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-11-09", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13320, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-11-08T12:44:45+08:00", "utc": "1966-11-08T04:44:45Z", "ms": -99342915406.2151 }, "end": { "local": "1966-11-09T09:58:32+08:00", "utc": "1966-11-09T01:58:32Z", "ms": -99266488053.0915 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-08T12:44:45+08:00", "utc": "1966-11-08T04:44:45Z", "ms": -99342915406.2151 }, "end": { "local": "1966-11-09T09:58:32+08:00", "utc": "1966-11-09T01:58:32Z", "ms": -99266488053.0915 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-11-08", "window": { "start": { "local": "1966-11-08T06:15:51+08:00", "utc": "1966-11-07T22:15:51Z", "ms": -99366249104.75081 }, "end": { "local": "1966-11-08T06:15:51+08:00", "utc": "1966-11-07T22:15:51Z", "ms": -99366249104.75081 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-11-09", "window": { "start": { "local": "1966-11-09T06:16:32+08:00", "utc": "1966-11-08T22:16:32Z", "ms": -99279807842.89748 }, "end": { "local": "1966-11-09T06:16:32+08:00", "utc": "1966-11-08T22:16:32Z", "ms": -99279807842.89748 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:45 on Tue 8 Nov to 09:59 on Wed 9 Nov.", "fact": "1966-11-08T04:44:45Z → 1966-11-09T01:58:32Z" }, { "step": "kaala", "text": "Sunrise is at 06:16 on the 8th and 06:17 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 13320 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Fuzhou, 1966: Wednesday 9 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": "1966-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Ramā Ekādaśī 1966 falls on Wednesday 9 November. Ekādaśī runs from 12:45 on Tue 8 Nov to 09:59 on Wed 9 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-11-09", "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/1966/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26269, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-11-09T09:58:32+08:00", "utc": "1966-11-09T01:58:32Z", "ms": -99266488053.0915 }, "end": { "local": "1966-11-10T07:02:08+08:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-09T09:58:32+08:00", "utc": "1966-11-09T01:58:32Z", "ms": -99266488053.0915 }, "end": { "local": "1966-11-10T07:02:08+08:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-09", "window": { "start": { "local": "1966-11-09T17:16:21+08:00", "utc": "1966-11-09T09:16:21Z", "ms": -99240219450.73897 }, "end": { "local": "1966-11-09T19:00:28+08:00", "utc": "1966-11-09T11:00:28Z", "ms": -99233972350.2094 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1966-11-10", "window": { "start": { "local": "1966-11-10T17:15:49+08:00", "utc": "1966-11-10T09:15:49Z", "ms": -99153850725.99301 }, "end": { "local": "1966-11-10T19:00:06+08:00", "utc": "1966-11-10T11:00:06Z", "ms": -99147593853.84505 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:59 on Wed 9 Nov to 07:02 on Thu 10 Nov.", "fact": "1966-11-09T01:58:32Z → 1966-11-09T23:02:08Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:00 on the 9th, 17:16–19:00 on the 10th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 9th and 0 of 104 on the 10th.", "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 26269 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Fuzhou, 1966: Wednesday 9 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": "1966-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 1966 falls on Wednesday 9 November. Dvādaśī runs from 09:59 on Wed 9 Nov to 07:02 on Thu 10 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32554, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-11-10T07:02:08+08:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "end": { "local": "1966-11-11T04:02:40+08:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-10T07:02:08+08:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "end": { "local": "1966-11-11T04:02:40+08:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-09", "window": { "start": { "local": "1966-11-09T17:16:21+08:00", "utc": "1966-11-09T09:16:21Z", "ms": -99240219450.73897 }, "end": { "local": "1966-11-09T19:00:28+08:00", "utc": "1966-11-09T11:00:28Z", "ms": -99233972350.2094 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1966-11-10", "window": { "start": { "local": "1966-11-10T17:15:49+08:00", "utc": "1966-11-10T09:15:49Z", "ms": -99153850725.99301 }, "end": { "local": "1966-11-10T19:00:06+08:00", "utc": "1966-11-10T11:00:06Z", "ms": -99147593853.84505 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:02 on Thu 10 Nov to 04:03 on Fri 11 Nov.", "fact": "1966-11-09T23:02:08Z → 1966-11-10T20:02:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:00 on the 9th, 17:16–19:00 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 104 minutes on the 9th and 104 of 104 on the 10th.", "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 32554 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Fuzhou, 1966: Thursday 10 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": "1966-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dīpadāna 1966 falls on Thursday 10 November. Trayodaśī runs from 07:02 on Thu 10 Nov to 04:03 on Fri 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pradosha-vrata?on=1966-11-10", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32554, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-11-10T07:02:08+08:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "end": { "local": "1966-11-11T04:02:40+08:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-10T07:02:08+08:00", "utc": "1966-11-09T23:02:08Z", "ms": -99190672035.5174 }, "end": { "local": "1966-11-11T04:02:40+08:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-09", "window": { "start": { "local": "1966-11-09T17:16:21+08:00", "utc": "1966-11-09T09:16:21Z", "ms": -99240219450.73897 }, "end": { "local": "1966-11-09T19:00:28+08:00", "utc": "1966-11-09T11:00:28Z", "ms": -99233972350.2094 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1966-11-10", "window": { "start": { "local": "1966-11-10T17:15:49+08:00", "utc": "1966-11-10T09:15:49Z", "ms": -99153850725.99301 }, "end": { "local": "1966-11-10T19:00:06+08:00", "utc": "1966-11-10T11:00:06Z", "ms": -99147593853.84505 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:02 on Thu 10 Nov to 04:03 on Fri 11 Nov.", "fact": "1966-11-09T23:02:08Z → 1966-11-10T20:02:40Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:00 on the 9th, 17:16–19:00 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 104 minutes on the 9th and 104 of 104 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 32554 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Thursday 10 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": "1966-11-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Thursday 10 November. Trayodaśī runs from 07:02 on Thu 10 Nov to 04:03 on Fri 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-11-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1859, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-11-11T04:02:40+08:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "end": { "local": "1966-11-12T01:07:58+08:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-11T04:02:40+08:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "end": { "local": "1966-11-12T01:07:58+08:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 } }, "kaala": "arunodaya", "days": [ { "local_date": "1966-11-11", "window": { "start": { "local": "1966-11-11T04:33:39+08:00", "utc": "1966-11-10T20:33:39Z", "ms": -99113181057.03119 }, "end": { "local": "1966-11-11T06:17:56+08:00", "utc": "1966-11-10T22:17:56Z", "ms": -99106924184.88322 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T04:34:12+08:00", "utc": "1966-11-11T20:34:12Z", "ms": -99026748336.14206 }, "end": { "local": "1966-11-12T06:18:38+08:00", "utc": "1966-11-11T22:18:38Z", "ms": -99020481828.05188 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:03 on Fri 11 Nov to 01:08 on Sat 12 Nov.", "fact": "1966-11-10T20:02:40Z → 1966-11-11T17:07:58Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:34–06:18 on the 11th, 04:34–06:19 on the 12th.", "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 11th and 0 of 104 on the 12th.", "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 1859 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Fuzhou, 1966: Friday 11 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": "1966-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 1966 falls on Friday 11 November. Caturdaśī runs from 04:03 on Fri 11 Nov to 01:08 on Sat 12 Nov and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-11", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 3407, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1966-11-12T01:07:58+08:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "end": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-12T01:07:58+08:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "end": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 } }, "kaala": "nishita", "days": [ { "local_date": "1966-11-11", "window": { "start": { "local": "1966-11-11T23:22:59+08:00", "utc": "1966-11-11T15:22:59Z", "ms": -99045421233.39003 }, "end": { "local": "1966-11-12T00:10:59+08:00", "utc": "1966-11-11T16:10:59Z", "ms": -99042541233.39003 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T23:23:06+08:00", "utc": "1966-11-12T15:23:06Z", "ms": -98959014161.38425 }, "end": { "local": "1966-11-13T00:11:06+08:00", "utc": "1966-11-12T16:11:06Z", "ms": -98956134161.38425 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 01:08 on Sat 12 Nov to 22:26 on Sat 12 Nov.", "fact": "1966-11-11T17:07:58Z → 1966-11-12T14:26:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 11th, 23:23–00:11 on the 12th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 11th and 0 of 48 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither night qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 3407 s" }, { "step": "ruling", "text": "Kālī Pūjā, Fuzhou, 1966: Friday 11 November.", "fact": "confidence: boundary (absent-unstated)" } ], "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": "1966-11-11", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-11", "confidence": "boundary" } ], "quote": "In Fuzhou, Kālī Pūjā 1966 falls on Friday 11 November. Amāvasyā runs from 01:08 on Sat 12 Nov to 22:26 on Sat 12 Nov, and reaches niśītha on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/shivaratri?on=1966-11-11", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3420, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-11-11T04:02:40+08:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "end": { "local": "1966-11-12T01:07:58+08:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-11T04:02:40+08:00", "utc": "1966-11-10T20:02:40Z", "ms": -99115039915.69478 }, "end": { "local": "1966-11-12T01:07:58+08:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 } }, "kaala": "nishita", "days": [ { "local_date": "1966-11-10", "window": { "start": { "local": "1966-11-10T23:22:53+08:00", "utc": "1966-11-10T15:22:53Z", "ms": -99131827455.43811 }, "end": { "local": "1966-11-11T00:10:53+08:00", "utc": "1966-11-10T16:10:53Z", "ms": -99128947455.43811 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-11", "window": { "start": { "local": "1966-11-11T23:22:59+08:00", "utc": "1966-11-11T15:22:59Z", "ms": -99045421233.39003 }, "end": { "local": "1966-11-12T00:10:59+08:00", "utc": "1966-11-11T16:10:59Z", "ms": -99042541233.39003 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 04:03 on Fri 11 Nov to 01:08 on Sat 12 Nov.", "fact": "1966-11-10T20:02:40Z → 1966-11-11T17:07:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 10th, 23:23–00:11 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 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3420 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Friday 11 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": "1966-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Friday 11 November. Caturdaśī runs from 04:03 on Fri 11 Nov to 01:08 on Sat 12 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-11-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12412, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1966-11-12T01:07:58+08:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "end": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-12T01:07:58+08:00", "utc": "1966-11-11T17:07:58Z", "ms": -99039121620.99332 }, "end": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-11", "window": { "start": { "local": "1966-11-11T17:15:19+08:00", "utc": "1966-11-11T09:15:19Z", "ms": -99067480638.72818 }, "end": { "local": "1966-11-11T18:59:46+08:00", "utc": "1966-11-11T10:59:46Z", "ms": -99061214130.638 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T17:14:51+08:00", "utc": "1966-11-12T09:14:51Z", "ms": -98981109173.69199 }, "end": { "local": "1966-11-12T18:59:27+08:00", "utc": "1966-11-12T10:59:27Z", "ms": -98974833170.40993 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 01:08 on Sat 12 Nov to 22:26 on Sat 12 Nov.", "fact": "1966-11-11T17:07:58Z → 1966-11-12T14:26:19Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:00 on the 11th, 17:15–18:59 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 104 minutes on the 11th and 105 of 105 on the 12th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12412 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Fuzhou, 1966: Saturday 12 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "diwali-lakshmi-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 1966 falls on Saturday 12 November. Amāvasyā runs from 01:08 on Sat 12 Nov to 22:26 on Sat 12 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28513, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T20:06:06+08:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T20:06:06+08:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T11:22:44+08:00", "utc": "1966-11-12T03:22:44Z", "ms": -99002235500.87193 }, "end": { "local": "1966-11-12T12:10:44+08:00", "utc": "1966-11-12T04:10:44Z", "ms": -98999355500.87193 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-13", "window": { "start": { "local": "1966-11-13T11:22:52+08:00", "utc": "1966-11-13T03:22:52Z", "ms": -98915827732.94043 }, "end": { "local": "1966-11-13T12:10:52+08:00", "utc": "1966-11-13T04:10:52Z", "ms": -98912947732.94043 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:26 on Sat 12 Nov to 20:06 on Sun 13 Nov.", "fact": "1966-11-12T14:26:19Z → 1966-11-13T12:06:06Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 12th, 11:23–12:11 on the 13th.", "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 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 28513 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Fuzhou, 1966: Sunday 13 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": "1966-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Govardhana Pūjā 1966 falls on Sunday 13 November. Pratipadā runs from 22:26 on Sat 12 Nov to 20:06 on Sun 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4017, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T20:06:06+08:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T20:06:06+08:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-12", "window": { "start": { "local": "1966-11-12T17:14:51+08:00", "utc": "1966-11-12T09:14:51Z", "ms": -98981109173.69199 }, "end": { "local": "1966-11-12T18:59:27+08:00", "utc": "1966-11-12T10:59:27Z", "ms": -98974833170.40993 } }, "covered_min": 0, "window_min": 105, "qualifies": false }, { "local_date": "1966-11-13", "window": { "start": { "local": "1966-11-13T17:14:24+08:00", "utc": "1966-11-13T09:14:24Z", "ms": -98894736316.80435 }, "end": { "local": "1966-11-13T18:59:09+08:00", "utc": "1966-11-13T10:59:09Z", "ms": -98888450964.20683 } }, "covered_min": 105, "window_min": 105, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:26 on Sat 12 Nov to 20:06 on Sun 13 Nov.", "fact": "1966-11-12T14:26:19Z → 1966-11-13T12:06:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–18:59 on the 12th, 17:14–18:59 on the 13th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 0 of 105 minutes on the 12th and 105 of 105 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4017 s" }, { "step": "ruling", "text": "Bali Pūjā, Fuzhou, 1966: Sunday 13 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Bali Pūjā 1966 falls on Sunday 13 November. Pratipadā runs from 22:26 on Sat 12 Nov to 20:06 on Sun 13 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28382, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T20:06:06+08:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-12T22:26:19+08:00", "utc": "1966-11-12T14:26:19Z", "ms": -98962420751.65872 }, "end": { "local": "1966-11-13T20:06:06+08:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 } }, "kaala": "purvahna", "days": [ { "local_date": "1966-11-13", "window": { "start": { "local": "1966-11-13T06:19:21+08:00", "utc": "1966-11-12T22:19:21Z", "ms": -98934039149.07649 }, "end": { "local": "1966-11-13T09:57:42+08:00", "utc": "1966-11-13T01:57:42Z", "ms": -98920938204.98578 } }, "covered_min": 218, "window_min": 218, "qualifies": true }, { "local_date": "1966-11-14", "window": { "start": { "local": "1966-11-14T06:20:04+08:00", "utc": "1966-11-13T22:20:04Z", "ms": -98847596172.3229 }, "end": { "local": "1966-11-14T09:58:02+08:00", "utc": "1966-11-14T01:58:02Z", "ms": -98834518133.10098 } }, "covered_min": 0, "window_min": 218, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:26 on Sat 12 Nov to 20:06 on Sun 13 Nov.", "fact": "1966-11-12T14:26:19Z → 1966-11-13T12:06:06Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:19–09:58 on the 13th, 06:20–09:58 on the 14th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 218 of 218 minutes on the 13th and 0 of 218 on the 14th.", "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 28382 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Fuzhou, 1966: Sunday 13 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": "1966-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Dyūta Pratipad 1966 falls on Sunday 13 November. Pratipadā runs from 22:26 on Sat 12 Nov to 20:06 on Sun 13 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21860, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1966-11-13T20:06:06+08:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "end": { "local": "1966-11-14T18:15:21+08:00", "utc": "1966-11-14T10:15:21Z", "ms": -98804679187.8472 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-13T20:06:06+08:00", "utc": "1966-11-13T12:06:06Z", "ms": -98884434442.2287 }, "end": { "local": "1966-11-14T18:15:21+08:00", "utc": "1966-11-14T10:15:21Z", "ms": -98804679187.8472 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-13", "window": { "start": { "local": "1966-11-13T11:22:52+08:00", "utc": "1966-11-13T03:22:52Z", "ms": -98915827732.94043 }, "end": { "local": "1966-11-13T12:10:52+08:00", "utc": "1966-11-13T04:10:52Z", "ms": -98912947732.94043 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-14", "window": { "start": { "local": "1966-11-14T11:23:01+08:00", "utc": "1966-11-14T03:23:01Z", "ms": -98829419113.49002 }, "end": { "local": "1966-11-14T12:11:01+08:00", "utc": "1966-11-14T04:11:01Z", "ms": -98826539113.49002 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 20:06 on Sun 13 Nov to 18:15 on Mon 14 Nov.", "fact": "1966-11-13T12:06:06Z → 1966-11-14T10:15:21Z" }, { "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": "Dvitīyā 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 21860 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Fuzhou, 1966: Monday 14 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": "1966-11-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 1966 falls on Monday 14 November. Dvitīyā runs from 20:06 on Sun 13 Nov to 18:15 on Mon 14 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15477, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-11-15T17:01:15+08:00", "utc": "1966-11-15T09:01:15Z", "ms": -98722725393.03845 }, "end": { "local": "1966-11-16T16:29:18+08:00", "utc": "1966-11-16T08:29:18Z", "ms": -98638242243.1044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-15T17:01:15+08:00", "utc": "1966-11-15T09:01:15Z", "ms": -98722725393.03845 }, "end": { "local": "1966-11-16T16:29:18+08:00", "utc": "1966-11-16T08:29:18Z", "ms": -98638242243.1044 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-15", "window": { "start": { "local": "1966-11-15T11:23:10+08:00", "utc": "1966-11-15T03:23:10Z", "ms": -98743009648.65869 }, "end": { "local": "1966-11-15T12:11:10+08:00", "utc": "1966-11-15T04:11:10Z", "ms": -98740129648.65869 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-16", "window": { "start": { "local": "1966-11-16T11:23:21+08:00", "utc": "1966-11-16T03:23:21Z", "ms": -98656599344.90573 }, "end": { "local": "1966-11-16T12:11:21+08:00", "utc": "1966-11-16T04:11:21Z", "ms": -98653719344.90573 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:01 on Tue 15 Nov to 16:29 on Wed 16 Nov.", "fact": "1966-11-15T09:01:15Z → 1966-11-16T08:29:18Z" }, { "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": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15477 s" }, { "step": "ruling", "text": "Nāga Caturthī, Fuzhou, 1966: Wednesday 16 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": "1966-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Caturthī 1966 falls on Wednesday 16 November. Caturthī runs from 17:01 on Tue 15 Nov to 16:29 on Wed 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/vinayaka-chaturthi?on=1966-11-16", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15477, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-11-15T17:01:15+08:00", "utc": "1966-11-15T09:01:15Z", "ms": -98722725393.03845 }, "end": { "local": "1966-11-16T16:29:18+08:00", "utc": "1966-11-16T08:29:18Z", "ms": -98638242243.1044 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-15T17:01:15+08:00", "utc": "1966-11-15T09:01:15Z", "ms": -98722725393.03845 }, "end": { "local": "1966-11-16T16:29:18+08:00", "utc": "1966-11-16T08:29:18Z", "ms": -98638242243.1044 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-15", "window": { "start": { "local": "1966-11-15T11:23:10+08:00", "utc": "1966-11-15T03:23:10Z", "ms": -98743009648.65869 }, "end": { "local": "1966-11-15T12:11:10+08:00", "utc": "1966-11-15T04:11:10Z", "ms": -98740129648.65869 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-16", "window": { "start": { "local": "1966-11-16T11:23:21+08:00", "utc": "1966-11-16T03:23:21Z", "ms": -98656599344.90573 }, "end": { "local": "1966-11-16T12:11:21+08:00", "utc": "1966-11-16T04:11:21Z", "ms": -98653719344.90573 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:01 on Tue 15 Nov to 16:29 on Wed 16 Nov.", "fact": "1966-11-15T09:01:15Z → 1966-11-16T08:29:18Z" }, { "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": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15477 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Wednesday 16 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": "1966-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Wednesday 16 November. Caturthī runs from 17:01 on Tue 15 Nov to 16:29 on Wed 16 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-11-16", "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/1966/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16257, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-11-17T16:42:29+08:00", "utc": "1966-11-17T08:42:29Z", "ms": -98551050986.23756 }, "end": { "local": "1966-11-18T17:40:22+08:00", "utc": "1966-11-18T09:40:22Z", "ms": -98461178469.68811 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-17T16:42:29+08:00", "utc": "1966-11-17T08:42:29Z", "ms": -98551050986.23756 }, "end": { "local": "1966-11-18T17:40:22+08:00", "utc": "1966-11-18T09:40:22Z", "ms": -98461178469.68811 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-17", "window": { "start": { "local": "1966-11-17T11:23:32+08:00", "utc": "1966-11-17T03:23:32Z", "ms": -98570188208.84717 }, "end": { "local": "1966-11-17T12:11:32+08:00", "utc": "1966-11-17T04:11:32Z", "ms": -98567308208.84717 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-18", "window": { "start": { "local": "1966-11-18T11:23:44+08:00", "utc": "1966-11-18T03:23:44Z", "ms": -98483776247.25055 }, "end": { "local": "1966-11-18T12:11:44+08:00", "utc": "1966-11-18T04:11:44Z", "ms": -98480896247.25055 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 16:42 on Thu 17 Nov to 17:40 on Fri 18 Nov.", "fact": "1966-11-17T08:42:29Z → 1966-11-18T09:40:22Z" }, { "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": "Ṣaṣṭhī 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: unstated → only-day · margin 16257 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Fuzhou, 1966: Friday 18 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": "1966-11-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 1966 falls on Friday 18 November. Ṣaṣṭhī runs from 16:42 on Thu 17 Nov to 17:40 on Fri 18 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25588, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1966-11-19T19:18:25+08:00", "utc": "1966-11-19T11:18:25Z", "ms": -98368895243.47903 }, "end": { "local": "1966-11-20T21:28:02+08:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-19T19:18:25+08:00", "utc": "1966-11-19T11:18:25Z", "ms": -98368895243.47903 }, "end": { "local": "1966-11-20T21:28:02+08:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-19", "window": { "start": { "local": "1966-11-19T11:23:57+08:00", "utc": "1966-11-19T03:23:57Z", "ms": -98397363467.12886 }, "end": { "local": "1966-11-19T12:11:57+08:00", "utc": "1966-11-19T04:11:57Z", "ms": -98394483467.12886 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-20", "window": { "start": { "local": "1966-11-20T11:24:10+08:00", "utc": "1966-11-20T03:24:10Z", "ms": -98310949875.8725 }, "end": { "local": "1966-11-20T12:12:10+08:00", "utc": "1966-11-20T04:12:10Z", "ms": -98308069875.8725 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 19:18 on Sat 19 Nov to 21:28 on Sun 20 Nov.", "fact": "1966-11-19T11:18:25Z → 1966-11-20T13:28:02Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 19th, 11:24–12:12 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25588 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Fuzhou, 1966: Sunday 20 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": "1966-11-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Gopāṣṭamī 1966 falls on Sunday 20 November. Aṣṭamī runs from 19:18 on Sat 19 Nov to 21:28 on Sun 20 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23319, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1966-11-20T21:28:02+08:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "end": { "local": "1966-11-21T23:57:17+08:00", "utc": "1966-11-21T15:57:17Z", "ms": -98179363286.18256 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-20T21:28:02+08:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "end": { "local": "1966-11-21T23:57:17+08:00", "utc": "1966-11-21T15:57:17Z", "ms": -98179363286.18256 } }, "kaala": "purvahna", "days": [ { "local_date": "1966-11-21", "window": { "start": { "local": "1966-11-21T06:25:11+08:00", "utc": "1966-11-20T22:25:11Z", "ms": -98242489176.8815 }, "end": { "local": "1966-11-21T10:00:40+08:00", "utc": "1966-11-21T02:00:40Z", "ms": -98229560046.54066 } }, "covered_min": 215, "window_min": 215, "qualifies": true }, { "local_date": "1966-11-22", "window": { "start": { "local": "1966-11-22T06:25:55+08:00", "utc": "1966-11-21T22:25:55Z", "ms": -98156044759.21423 }, "end": { "local": "1966-11-22T10:01:05+08:00", "utc": "1966-11-22T02:01:05Z", "ms": -98143135114.46825 } }, "covered_min": 0, "window_min": 215, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 21:28 on Sun 20 Nov to 23:57 on Mon 21 Nov.", "fact": "1966-11-20T13:28:02Z → 1966-11-21T15:57:17Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:25–10:01 on the 21st, 06:26–10:01 on the 22nd.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 215 of 215 minutes on the 21st and 0 of 215 on the 22nd.", "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 23319 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Fuzhou, 1966: Monday 21 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": "1966-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 1966 falls on Monday 21 November. Navamī runs from 21:28 on Sun 20 Nov to 23:57 on Mon 21 Nov and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33352, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1966-11-20T21:28:02+08:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "end": { "local": "1966-11-21T23:57:17+08:00", "utc": "1966-11-21T15:57:17Z", "ms": -98179363286.18256 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-20T21:28:02+08:00", "utc": "1966-11-20T13:28:02Z", "ms": -98274718245.07945 }, "end": { "local": "1966-11-21T23:57:17+08:00", "utc": "1966-11-21T15:57:17Z", "ms": -98179363286.18256 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-20", "window": { "start": { "local": "1966-11-20T11:24:10+08:00", "utc": "1966-11-20T03:24:10Z", "ms": -98310949875.8725 }, "end": { "local": "1966-11-20T12:12:10+08:00", "utc": "1966-11-20T04:12:10Z", "ms": -98308069875.8725 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-21", "window": { "start": { "local": "1966-11-21T11:24:25+08:00", "utc": "1966-11-21T03:24:25Z", "ms": -98224535481.37024 }, "end": { "local": "1966-11-21T12:12:25+08:00", "utc": "1966-11-21T04:12:25Z", "ms": -98221655481.37024 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 21:28 on Sun 20 Nov to 23:57 on Mon 21 Nov.", "fact": "1966-11-20T13:28:02Z → 1966-11-21T15:57:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 20th, 11:24–12:12 on the 21st.", "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 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33352 s" }, { "step": "ruling", "text": "Durgā Navamī, Fuzhou, 1966: Monday 21 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": "1966-11-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Navamī 1966 falls on Monday 21 November. Navamī runs from 21:28 on Sun 20 Nov to 23:57 on Mon 21 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-11-23", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5225, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-11-23T02:32:30+08:00", "utc": "1966-11-22T18:32:30Z", "ms": -98083649664.5775 }, "end": { "local": "1966-11-24T05:00:19+08:00", "utc": "1966-11-23T21:00:19Z", "ms": -97988380745.06699 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-23T02:32:30+08:00", "utc": "1966-11-22T18:32:30Z", "ms": -98083649664.5775 }, "end": { "local": "1966-11-24T05:00:19+08:00", "utc": "1966-11-23T21:00:19Z", "ms": -97988380745.06699 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-11-23", "window": { "start": { "local": "1966-11-23T06:26:40+08:00", "utc": "1966-11-22T22:26:40Z", "ms": -98069600283.06827 }, "end": { "local": "1966-11-23T06:26:40+08:00", "utc": "1966-11-22T22:26:40Z", "ms": -98069600283.06827 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-11-24", "window": { "start": { "local": "1966-11-24T06:27:24+08:00", "utc": "1966-11-23T22:27:24Z", "ms": -97983155776.758 }, "end": { "local": "1966-11-24T06:27:24+08:00", "utc": "1966-11-23T22:27:24Z", "ms": -97983155776.758 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:33 on Wed 23 Nov to 05:00 on Thu 24 Nov.", "fact": "1966-11-22T18:32:30Z → 1966-11-23T21:00:19Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 23rd and 06:27 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not 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 5225 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Fuzhou, 1966: Wednesday 23 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": "1966-11-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Prabodhinī Ekādaśī 1966 falls on Wednesday 23 November. Ekādaśī runs from 02:33 on Wed 23 Nov to 05:00 on Thu 24 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-11-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/pradosha-vrata?on=1966-11-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29945, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-11-25T07:09:24+08:00", "utc": "1966-11-24T23:09:24Z", "ms": -97894235884.3191 }, "end": { "local": "1966-11-26T08:51:38+08:00", "utc": "1966-11-26T00:51:38Z", "ms": -97801702142.60219 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-25T07:09:24+08:00", "utc": "1966-11-24T23:09:24Z", "ms": -97894235884.3191 }, "end": { "local": "1966-11-26T08:51:38+08:00", "utc": "1966-11-26T00:51:38Z", "ms": -97801702142.60219 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-11-25", "window": { "start": { "local": "1966-11-25T17:10:51+08:00", "utc": "1966-11-25T09:10:51Z", "ms": -97858148830.94289 }, "end": { "local": "1966-11-25T18:57:15+08:00", "utc": "1966-11-25T10:57:15Z", "ms": -97851764558.6804 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1966-11-26", "window": { "start": { "local": "1966-11-26T17:10:43+08:00", "utc": "1966-11-26T09:10:43Z", "ms": -97771756769.45242 }, "end": { "local": "1966-11-26T18:57:14+08:00", "utc": "1966-11-26T10:57:14Z", "ms": -97765365515.67624 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 07:09 on Fri 25 Nov to 08:52 on Sat 26 Nov.", "fact": "1966-11-24T23:09:24Z → 1966-11-26T00:51:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 25th, 17:11–18:57 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 25th and 0 of 107 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 29945 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Friday 25 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": "1966-11-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Friday 25 November. Trayodaśī runs from 07:09 on Fri 25 Nov to 08:52 on Sat 26 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-11-25", "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/1966/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2765, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-11-27T10:02:25+08:00", "utc": "1966-11-27T02:02:25Z", "ms": -97711054833.89911 }, "end": { "local": "1966-11-28T10:40:22+08:00", "utc": "1966-11-28T02:40:22Z", "ms": -97622377856.3422 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-27T10:02:25+08:00", "utc": "1966-11-27T02:02:25Z", "ms": -97711054833.89911 }, "end": { "local": "1966-11-28T10:40:22+08:00", "utc": "1966-11-28T02:40:22Z", "ms": -97622377856.3422 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-11-27", "window": { "start": { "local": "1966-11-27T11:26:07+08:00", "utc": "1966-11-27T03:26:07Z", "ms": -97706032765.71655 }, "end": { "local": "1966-11-27T12:14:07+08:00", "utc": "1966-11-27T04:14:07Z", "ms": -97703152765.71655 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-11-28", "window": { "start": { "local": "1966-11-28T11:26:27+08:00", "utc": "1966-11-28T03:26:27Z", "ms": -97619613021.87741 }, "end": { "local": "1966-11-28T12:14:27+08:00", "utc": "1966-11-28T04:14:27Z", "ms": -97616733021.87741 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:02 on Sun 27 Nov to 10:40 on Mon 28 Nov.", "fact": "1966-11-27T02:02:25Z → 1966-11-28T02:40:22Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 27th, 11:26–12:14 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 2765 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Fuzhou, 1966: Sunday 27 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": "1966-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Kārtikī Pūrṇimā 1966 falls on Sunday 27 November. Pūrṇimā runs from 10:02 on Sun 27 Nov to 10:40 on Mon 28 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35295, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-11-27T10:02:25+08:00", "utc": "1966-11-27T02:02:25Z", "ms": -97711054833.89911 }, "end": { "local": "1966-11-28T10:40:22+08:00", "utc": "1966-11-28T02:40:22Z", "ms": -97622377856.3422 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1966-11-27T10:02:25+08:00", "utc": "1966-11-27T02:02:25Z", "ms": -97711054833.89911 }, "end": { "local": "1966-11-28T10:40:22+08:00", "utc": "1966-11-28T02:40:22Z", "ms": -97622377856.3422 } }, "kaala": "nishita", "days": [ { "local_date": "1966-11-26", "window": { "start": { "local": "1966-11-26T23:26:10+08:00", "utc": "1966-11-26T15:26:10Z", "ms": -97749229567.79172 }, "end": { "local": "1966-11-27T00:14:10+08:00", "utc": "1966-11-26T16:14:10Z", "ms": -97746349567.79172 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-11-27", "window": { "start": { "local": "1966-11-27T23:26:29+08:00", "utc": "1966-11-27T15:26:29Z", "ms": -97662810597.85706 }, "end": { "local": "1966-11-28T00:14:29+08:00", "utc": "1966-11-27T16:14:29Z", "ms": -97659930597.85706 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 10:02 on Sun 27 Nov to 10:40 on Mon 28 Nov.", "fact": "1966-11-27T02:02:25Z → 1966-11-28T02:40:22Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:26–00:14 on the 26th, 23:26–00:14 on the 27th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.", "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 35295 s" }, { "step": "ruling", "text": "Rāsayātrā, Fuzhou, 1966: Sunday 27 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": "1966-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-11-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāsayātrā 1966 falls on Sunday 27 November. Pūrṇimā runs from 10:02 on Sun 27 Nov to 10:40 on Mon 28 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-12-01", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37461, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-12-01T09:35:26+08:00", "utc": "1966-12-01T01:35:26Z", "ms": -97367074360.58617 }, "end": { "local": "1966-12-02T08:25:36+08:00", "utc": "1966-12-02T00:25:36Z", "ms": -97284863532.7435 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-01T09:35:26+08:00", "utc": "1966-12-01T01:35:26Z", "ms": -97367074360.58617 }, "end": { "local": "1966-12-02T08:25:36+08:00", "utc": "1966-12-02T00:25:36Z", "ms": -97284863532.7435 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-12-01", "window": { "start": { "local": "1966-12-01T19:59:47+08:00", "utc": "1966-12-01T11:59:47Z", "ms": -97329613051.5654 }, "end": { "local": "1966-12-01T19:59:47+08:00", "utc": "1966-12-01T11:59:47Z", "ms": -97329613051.5654 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-12-02", "window": { "start": { "local": "1966-12-02T21:04:01+08:00", "utc": "1966-12-02T13:04:01Z", "ms": -97239358864.55962 }, "end": { "local": "1966-12-02T21:04:01+08:00", "utc": "1966-12-02T13:04:01Z", "ms": -97239358864.55962 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:35 on Thu 1 Dec to 08:26 on Fri 2 Dec.", "fact": "1966-12-01T01:35:26Z → 1966-12-02T00:25:36Z" }, { "step": "kaala", "text": "Moonrise is at 20:00 on the 1st and 21:04 on the 2nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37461 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Thursday 1 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": "1966-12-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Thursday 1 December. Caturthī runs from 09:35 on Thu 1 Dec to 08:26 on Fri 2 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-12-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/ekadashi?on=1966-12-08", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34775, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-12-07T20:57:58+08:00", "utc": "1966-12-07T12:57:58Z", "ms": -96807721660.20338 }, "end": { "local": "1966-12-08T18:44:30+08:00", "utc": "1966-12-08T10:44:30Z", "ms": -96729330332.18639 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-07T20:57:58+08:00", "utc": "1966-12-07T12:57:58Z", "ms": -96807721660.20338 }, "end": { "local": "1966-12-08T18:44:30+08:00", "utc": "1966-12-08T10:44:30Z", "ms": -96729330332.18639 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-12-08", "window": { "start": { "local": "1966-12-08T06:37:33+08:00", "utc": "1966-12-07T22:37:33Z", "ms": -96772946649.13965 }, "end": { "local": "1966-12-08T06:37:33+08:00", "utc": "1966-12-07T22:37:33Z", "ms": -96772946649.13965 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-12-09", "window": { "start": { "local": "1966-12-09T06:38:14+08:00", "utc": "1966-12-08T22:38:14Z", "ms": -96686505516.67874 }, "end": { "local": "1966-12-09T06:38:14+08:00", "utc": "1966-12-08T22:38:14Z", "ms": -96686505516.67874 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 20:58 on Wed 7 Dec to 18:44 on Thu 8 Dec.", "fact": "1966-12-07T12:57:58Z → 1966-12-08T10:44:30Z" }, { "step": "kaala", "text": "Sunrise is at 06:38 on the 8th and 06:38 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 34775 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Fuzhou, 1966: Thursday 8 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": "1966-12-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Utpannā Ekādaśī 1966 falls on Thursday 8 December. Ekādaśī runs from 20:58 on Wed 7 Dec to 18:44 on Thu 8 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-12-08", "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/1966/pradosha-vrata?on=1966-12-09", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2230, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-12-09T16:34:11+08:00", "utc": "1966-12-09T08:34:11Z", "ms": -96650748514.49026 }, "end": { "local": "1966-12-10T14:31:45+08:00", "utc": "1966-12-10T06:31:45Z", "ms": -96571694709.39464 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-09T16:34:11+08:00", "utc": "1966-12-09T08:34:11Z", "ms": -96650748514.49026 }, "end": { "local": "1966-12-10T14:31:45+08:00", "utc": "1966-12-10T06:31:45Z", "ms": -96571694709.39464 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-12-09", "window": { "start": { "local": "1966-12-09T17:11:21+08:00", "utc": "1966-12-09T09:11:21Z", "ms": -96648518984.88414 }, "end": { "local": "1966-12-09T18:59:02+08:00", "utc": "1966-12-09T10:59:02Z", "ms": -96642058442.17447 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1966-12-10", "window": { "start": { "local": "1966-12-10T17:11:35+08:00", "utc": "1966-12-10T09:11:35Z", "ms": -96562105376.59294 }, "end": { "local": "1966-12-10T18:59:19+08:00", "utc": "1966-12-10T10:59:19Z", "ms": -96555641311.51823 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 16:34 on Fri 9 Dec to 14:32 on Sat 10 Dec.", "fact": "1966-12-09T08:34:11Z → 1966-12-10T06:31:45Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:59 on the 9th, 17:12–18:59 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 108 of 108 minutes on the 9th and 0 of 108 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 2230 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1966: Friday 9 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": "1966-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1966 falls on Friday 9 December. Trayodaśī runs from 16:34 on Fri 9 Dec to 14:32 on Sat 10 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-12-09", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/shivaratri?on=1966-12-10", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32390, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1966-12-10T14:31:45+08:00", "utc": "1966-12-10T06:31:45Z", "ms": -96571694709.39464 }, "end": { "local": "1966-12-11T12:42:43+08:00", "utc": "1966-12-11T04:42:43Z", "ms": -96491837212.63164 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-10T14:31:45+08:00", "utc": "1966-12-10T06:31:45Z", "ms": -96571694709.39464 }, "end": { "local": "1966-12-11T12:42:43+08:00", "utc": "1966-12-11T04:42:43Z", "ms": -96491837212.63164 } }, "kaala": "nishita", "days": [ { "local_date": "1966-12-10", "window": { "start": { "local": "1966-12-10T23:31:35+08:00", "utc": "1966-12-10T15:31:35Z", "ms": -96539305132.5628 }, "end": { "local": "1966-12-11T00:19:35+08:00", "utc": "1966-12-10T16:19:35Z", "ms": -96536425132.5628 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-11", "window": { "start": { "local": "1966-12-11T23:32:02+08:00", "utc": "1966-12-11T15:32:02Z", "ms": -96452877896.03839 }, "end": { "local": "1966-12-12T00:20:02+08:00", "utc": "1966-12-11T16:20:02Z", "ms": -96449997896.03839 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 14:32 on Sat 10 Dec to 12:43 on Sun 11 Dec.", "fact": "1966-12-10T06:31:45Z → 1966-12-11T04:42:43Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:32–00:20 on the 10th, 23:32–00:20 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 0 of 48 on the 11th.", "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 32390 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1966: Saturday 10 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": "1966-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1966 falls on Saturday 10 December. Caturdaśī runs from 14:32 on Sat 10 Dec to 12:43 on Sun 11 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1966/shivaratri?on=1966-12-10", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-12-15", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3793, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-12-15T09:44:45+08:00", "utc": "1966-12-15T01:44:45Z", "ms": -96156914918.22366 }, "end": { "local": "1966-12-16T10:30:53+08:00", "utc": "1966-12-16T02:30:53Z", "ms": -96067747111.19124 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-15T09:44:45+08:00", "utc": "1966-12-15T01:44:45Z", "ms": -96156914918.22366 }, "end": { "local": "1966-12-16T10:30:53+08:00", "utc": "1966-12-16T02:30:53Z", "ms": -96067747111.19124 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-15", "window": { "start": { "local": "1966-12-15T11:33:36+08:00", "utc": "1966-12-15T03:33:36Z", "ms": -96150383690.6798 }, "end": { "local": "1966-12-15T12:21:36+08:00", "utc": "1966-12-15T04:21:36Z", "ms": -96147503690.6798 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-16", "window": { "start": { "local": "1966-12-16T11:34:06+08:00", "utc": "1966-12-16T03:34:06Z", "ms": -96063954465.56271 }, "end": { "local": "1966-12-16T12:22:06+08:00", "utc": "1966-12-16T04:22:06Z", "ms": -96061074465.56271 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:45 on Thu 15 Dec to 10:31 on Fri 16 Dec.", "fact": "1966-12-15T01:44:45Z → 1966-12-16T02:30:53Z" }, { "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": "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 3793 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1966: Thursday 15 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": "1966-12-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1966 falls on Thursday 15 December. Caturthī runs from 09:45 on Thu 15 Dec to 10:31 on Fri 16 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/vinayaka-chaturthi?on=1966-12-15", "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/1966/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1318, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1966-12-16T10:30:53+08:00", "utc": "1966-12-16T02:30:53Z", "ms": -96067747111.19124 }, "end": { "local": "1966-12-17T11:56:32+08:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-16T10:30:53+08:00", "utc": "1966-12-16T02:30:53Z", "ms": -96067747111.19124 }, "end": { "local": "1966-12-17T11:56:32+08:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-16", "window": { "start": { "local": "1966-12-16T11:34:06+08:00", "utc": "1966-12-16T03:34:06Z", "ms": -96063954465.56271 }, "end": { "local": "1966-12-16T12:22:06+08:00", "utc": "1966-12-16T04:22:06Z", "ms": -96061074465.56271 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-17", "window": { "start": { "local": "1966-12-17T11:34:35+08:00", "utc": "1966-12-17T03:34:35Z", "ms": -95977525012.91487 }, "end": { "local": "1966-12-17T12:22:35+08:00", "utc": "1966-12-17T04:22:35Z", "ms": -95974645012.91487 } }, "covered_min": 22, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 10:31 on Fri 16 Dec to 11:57 on Sat 17 Dec.", "fact": "1966-12-16T02:30:53Z → 1966-12-17T03:56:32Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 16th, 11:35–12:23 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 22 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1318 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 1966: Saturday 17 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": "1966-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 1966 falls on Saturday 17 December. Pañcamī runs from 10:31 on Fri 16 Dec to 11:57 on Sat 17 Dec and covers 22 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1318, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-12-17T11:56:32+08:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "end": { "local": "1966-12-18T13:56:55+08:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-17T11:56:32+08:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "end": { "local": "1966-12-18T13:56:55+08:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-17", "window": { "start": { "local": "1966-12-17T11:34:35+08:00", "utc": "1966-12-17T03:34:35Z", "ms": -95977525012.91487 }, "end": { "local": "1966-12-17T12:22:35+08:00", "utc": "1966-12-17T04:22:35Z", "ms": -95974645012.91487 } }, "covered_min": 26, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-18", "window": { "start": { "local": "1966-12-18T11:35:05+08:00", "utc": "1966-12-18T03:35:05Z", "ms": -95891095368.07324 }, "end": { "local": "1966-12-18T12:23:05+08:00", "utc": "1966-12-18T04:23:05Z", "ms": -95888215368.07324 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:57 on Sat 17 Dec to 13:57 on Sun 18 Dec.", "fact": "1966-12-17T03:56:32Z → 1966-12-18T05:56:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 17th, 11:35–12:23 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 26 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": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 1318 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Fuzhou, 1966: Saturday 17 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": "1966-12-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī 1966 falls on Saturday 17 December. Ṣaṣṭhī runs from 11:57 on Sat 17 Dec to 13:57 on Sun 18 Dec and covers 26 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1318, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1966-12-17T11:56:32+08:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "end": { "local": "1966-12-18T13:56:55+08:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-17T11:56:32+08:00", "utc": "1966-12-17T03:56:32Z", "ms": -95976207502.95364 }, "end": { "local": "1966-12-18T13:56:55+08:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-17", "window": { "start": { "local": "1966-12-17T11:34:35+08:00", "utc": "1966-12-17T03:34:35Z", "ms": -95977525012.91487 }, "end": { "local": "1966-12-17T12:22:35+08:00", "utc": "1966-12-17T04:22:35Z", "ms": -95974645012.91487 } }, "covered_min": 26, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-18", "window": { "start": { "local": "1966-12-18T11:35:05+08:00", "utc": "1966-12-18T03:35:05Z", "ms": -95891095368.07324 }, "end": { "local": "1966-12-18T12:23:05+08:00", "utc": "1966-12-18T04:23:05Z", "ms": -95888215368.07324 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 11:57 on Sat 17 Dec to 13:57 on Sun 18 Dec.", "fact": "1966-12-17T03:56:32Z → 1966-12-18T05:56:55Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 17th, 11:35–12:23 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 26 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": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1318 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Fuzhou, 1966: Sunday 18 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": "1966-12-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Campā Ṣaṣṭhī 1966 falls on Sunday 18 December. Ṣaṣṭhī runs from 11:57 on Sat 17 Dec to 13:57 on Sun 18 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 26 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5630, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1966-12-18T13:56:55+08:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 }, "end": { "local": "1966-12-19T16:22:34+08:00", "utc": "1966-12-19T08:22:34Z", "ms": -95787445849.01962 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-18T13:56:55+08:00", "utc": "1966-12-18T05:56:55Z", "ms": -95882585137.78151 }, "end": { "local": "1966-12-19T16:22:34+08:00", "utc": "1966-12-19T08:22:34Z", "ms": -95787445849.01962 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-18", "window": { "start": { "local": "1966-12-18T11:35:05+08:00", "utc": "1966-12-18T03:35:05Z", "ms": -95891095368.07324 }, "end": { "local": "1966-12-18T12:23:05+08:00", "utc": "1966-12-18T04:23:05Z", "ms": -95888215368.07324 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1966-12-19", "window": { "start": { "local": "1966-12-19T11:35:34+08:00", "utc": "1966-12-19T03:35:34Z", "ms": -95804665566.03409 }, "end": { "local": "1966-12-19T12:23:34+08:00", "utc": "1966-12-19T04:23:34Z", "ms": -95801785566.03409 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:57 on Sun 18 Dec to 16:23 on Mon 19 Dec.", "fact": "1966-12-18T05:56:55Z → 1966-12-19T08:22:34Z" }, { "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": "Saptamī 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: purvaviddha → only-day · margin 5630 s" }, { "step": "ruling", "text": "Mitra Saptamī, Fuzhou, 1966: Monday 19 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": "1966-12-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Mitra Saptamī 1966 falls on Monday 19 December. Saptamī runs from 13:57 on Sun 18 Dec to 16:23 on Mon 19 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/ekadashi?on=1966-12-23", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18812, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1966-12-22T23:49:25+08:00", "utc": "1966-12-22T15:49:25Z", "ms": -95501434652.75267 }, "end": { "local": "1966-12-24T01:33:31+08:00", "utc": "1966-12-23T17:33:31Z", "ms": -95408789488.07115 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-22T23:49:25+08:00", "utc": "1966-12-22T15:49:25Z", "ms": -95501434652.75267 }, "end": { "local": "1966-12-24T01:33:31+08:00", "utc": "1966-12-23T17:33:31Z", "ms": -95408789488.07115 } }, "kaala": "sunrise", "days": [ { "local_date": "1966-12-23", "window": { "start": { "local": "1966-12-23T06:46:34+08:00", "utc": "1966-12-22T22:46:34Z", "ms": -95476405857.25113 }, "end": { "local": "1966-12-23T06:46:34+08:00", "utc": "1966-12-22T22:46:34Z", "ms": -95476405857.25113 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1966-12-24", "window": { "start": { "local": "1966-12-24T06:47:03+08:00", "utc": "1966-12-23T22:47:03Z", "ms": -95389977278.26009 }, "end": { "local": "1966-12-24T06:47:03+08:00", "utc": "1966-12-23T22:47:03Z", "ms": -95389977278.26009 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 23:49 on Thu 22 Dec to 01:34 on Sat 24 Dec.", "fact": "1966-12-22T15:49:25Z → 1966-12-23T17:33:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 23rd and 06:47 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not 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 18812 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Fuzhou, 1966: Friday 23 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": "1966-12-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Mokṣadā Ekādaśī 1966 falls on Friday 23 December. Ekādaśī runs from 23:49 on Thu 22 Dec to 01:34 on Sat 24 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/ekadashi?on=1966-12-23", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32419, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1966-12-24T01:33:31+08:00", "utc": "1966-12-23T17:33:31Z", "ms": -95408789488.07115 }, "end": { "local": "1966-12-25T02:38:16+08:00", "utc": "1966-12-24T18:38:16Z", "ms": -95318504453.56479 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-24T01:33:31+08:00", "utc": "1966-12-23T17:33:31Z", "ms": -95408789488.07115 }, "end": { "local": "1966-12-25T02:38:16+08:00", "utc": "1966-12-24T18:38:16Z", "ms": -95318504453.56479 } }, "kaala": "madhyahna", "days": [ { "local_date": "1966-12-24", "window": { "start": { "local": "1966-12-24T11:38:05+08:00", "utc": "1966-12-24T03:38:05Z", "ms": -95372515397.95528 }, "end": { "local": "1966-12-24T12:26:05+08:00", "utc": "1966-12-24T04:26:05Z", "ms": -95369635397.95528 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1966-12-25", "window": { "start": { "local": "1966-12-25T11:38:35+08:00", "utc": "1966-12-25T03:38:35Z", "ms": -95286085366.41078 }, "end": { "local": "1966-12-25T12:26:35+08:00", "utc": "1966-12-25T04:26:35Z", "ms": -95283205366.41078 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 01:34 on Sat 24 Dec to 02:38 on Sun 25 Dec.", "fact": "1966-12-23T17:33:31Z → 1966-12-24T18:38:16Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 24th, 11:39–12:27 on the 25th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 32419 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Fuzhou, 1966: Saturday 24 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": "1966-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 1966 falls on Saturday 24 December. Dvādaśī runs from 01:34 on Sat 24 Dec to 02:38 on Sun 25 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/pradosha-vrata?on=1966-12-25", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27186, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1966-12-25T02:38:16+08:00", "utc": "1966-12-24T18:38:16Z", "ms": -95318504453.56479 }, "end": { "local": "1966-12-26T03:00:17+08:00", "utc": "1966-12-25T19:00:17Z", "ms": -95230783092.47813 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-25T02:38:16+08:00", "utc": "1966-12-24T18:38:16Z", "ms": -95318504453.56479 }, "end": { "local": "1966-12-26T03:00:17+08:00", "utc": "1966-12-25T19:00:17Z", "ms": -95230783092.47813 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-12-24", "window": { "start": { "local": "1966-12-24T17:17:06+08:00", "utc": "1966-12-24T09:17:06Z", "ms": -95352173517.65047 }, "end": { "local": "1966-12-24T19:05:10+08:00", "utc": "1966-12-24T11:05:10Z", "ms": -95345690360.4482 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1966-12-25", "window": { "start": { "local": "1966-12-25T17:17:39+08:00", "utc": "1966-12-25T09:17:39Z", "ms": -95265740894.18816 }, "end": { "local": "1966-12-25T19:05:41+08:00", "utc": "1966-12-25T11:05:41Z", "ms": -95259258583.92906 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:38 on Sun 25 Dec to 03:00 on Mon 26 Dec.", "fact": "1966-12-24T18:38:16Z → 1966-12-25T19:00:17Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:17–19:05 on the 24th, 17:18–19:06 on the 25th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 24th and 108 of 108 on the 25th.", "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 27186 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1966: Sunday 25 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-12-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1966 falls on Sunday 25 December. Trayodaśī runs from 02:38 on Sun 25 Dec to 03:00 on Mon 26 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/pradosha-vrata?on=1966-12-25", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1966/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23779, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1966-12-27T02:40:29+08:00", "utc": "1966-12-26T18:40:29Z", "ms": -95145570778.19994 }, "end": { "local": "1966-12-28T01:43:06+08:00", "utc": "1966-12-27T17:43:06Z", "ms": -95062613648.81216 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-27T02:40:29+08:00", "utc": "1966-12-26T18:40:29Z", "ms": -95145570778.19994 }, "end": { "local": "1966-12-28T01:43:06+08:00", "utc": "1966-12-27T17:43:06Z", "ms": -95062613648.81216 } }, "kaala": "pradosha", "days": [ { "local_date": "1966-12-26", "window": { "start": { "local": "1966-12-26T17:18:13+08:00", "utc": "1966-12-26T09:18:13Z", "ms": -95179307253.82639 }, "end": { "local": "1966-12-26T19:06:14+08:00", "utc": "1966-12-26T11:06:14Z", "ms": -95172826085.47304 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1966-12-27", "window": { "start": { "local": "1966-12-27T17:18:47+08:00", "utc": "1966-12-27T09:18:47Z", "ms": -95092872630.63338 }, "end": { "local": "1966-12-27T19:06:47+08:00", "utc": "1966-12-27T11:06:47Z", "ms": -95086392897.9946 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 02:40 on Tue 27 Dec to 01:43 on Wed 28 Dec.", "fact": "1966-12-26T18:40:29Z → 1966-12-27T17:43:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:06 on the 26th, 17:19–19:07 on the 27th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 108 minutes on the 26th and 108 of 108 on the 27th.", "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 23779 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Fuzhou, 1966: Tuesday 27 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "dattatreyotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Dattatreyotpatti (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-12-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 1966 falls on Tuesday 27 December. Pūrṇimā runs from 02:40 on Tue 27 Dec to 01:43 on Wed 28 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1966/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/1966/sankashta-chaturthi?on=1966-12-30", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1966, "local_date": "1966-12-30", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 879, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1966-12-30T20:14:32+08:00", "utc": "1966-12-30T12:14:32Z", "ms": -94823127962.12044 }, "end": { "local": "1966-12-31T17:58:21+08:00", "utc": "1966-12-31T09:58:21Z", "ms": -94744899363.31508 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1966-12-30T20:14:32+08:00", "utc": "1966-12-30T12:14:32Z", "ms": -94823127962.12044 }, "end": { "local": "1966-12-31T17:58:21+08:00", "utc": "1966-12-31T09:58:21Z", "ms": -94744899363.31508 } }, "kaala": "moonrise", "days": [ { "local_date": "1966-12-30", "window": { "start": { "local": "1966-12-30T19:59:53+08:00", "utc": "1966-12-30T11:59:53Z", "ms": -94824007444.90125 }, "end": { "local": "1966-12-30T19:59:53+08:00", "utc": "1966-12-30T11:59:53Z", "ms": -94824007444.90125 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1966-12-31", "window": { "start": { "local": "1966-12-31T21:06:05+08:00", "utc": "1966-12-31T13:06:05Z", "ms": -94733634610.49301 }, "end": { "local": "1966-12-31T21:06:05+08:00", "utc": "1966-12-31T13:06:05Z", "ms": -94733634610.49301 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 20:15 on Fri 30 Dec to 17:58 on Sat 31 Dec.", "fact": "1966-12-30T12:14:32Z → 1966-12-31T09:58:21Z" }, { "step": "kaala", "text": "Moonrise is at 20:00 on the 30th and 21:06 on the 31st.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not 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": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 879 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1966: Friday 30 December.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1966-12-30", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1966-12-30", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1966 falls on Friday 30 December. Caturthī runs from 20:15 on Fri 30 Dec to 17:58 on Sat 31 Dec, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1966/sankashta-chaturthi?on=1966-12-30", "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" } }