{ "id": "/fuzhou/festivals/1970", "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": 1970, "tradition": "smarta", "method": "pac-rp@2026.1", "ruleset": "2026.3-draft", "rulings": [ { "id": "/fuzhou/festivals/1970/ekadashi?on=1970-01-04", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36928, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-01-03T18:42:19+08:00", "utc": "1970-01-03T10:42:19Z", "ms": 211338836.35136747 }, "end": { "local": "1970-01-04T17:06:30+08:00", "utc": "1970-01-04T09:06:30Z", "ms": 291989683.7603343 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-01-03T18:42:19+08:00", "utc": "1970-01-03T10:42:19Z", "ms": 211338836.35136747 }, "end": { "local": "1970-01-04T17:06:30+08:00", "utc": "1970-01-04T09:06:30Z", "ms": 291989683.7603343 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-01-03", "window": { "start": { "local": "1970-01-03T06:50:47+08:00", "utc": "1970-01-02T22:50:47Z", "ms": 168646942.2412705 }, "end": { "local": "1970-01-03T06:50:47+08:00", "utc": "1970-01-02T22:50:47Z", "ms": 168646942.2412705 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-01-04", "window": { "start": { "local": "1970-01-04T06:51:01+08:00", "utc": "1970-01-03T22:51:01Z", "ms": 255061287.92945087 }, "end": { "local": "1970-01-04T06:51:01+08:00", "utc": "1970-01-03T22:51:01Z", "ms": 255061287.92945087 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:42 on Sat 3 Jan to 17:06 on Sun 4 Jan.", "fact": "1970-01-03T10:42:19Z → 1970-01-04T09:06:30Z" }, { "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 not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36928 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Fuzhou, 1970: Sunday 4 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": "1970-01-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Saphalā Ekādaśī 1970 falls on Sunday 4 January. Ekādaśī runs from 18:42 on Sat 3 Jan to 17:06 on Sun 4 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-01-04", "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/1970/pradosha-vrata?on=1970-01-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9616, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-01-05T14:44:34+08:00", "utc": "1970-01-05T06:44:34Z", "ms": 369874253.60177505 }, "end": { "local": "1970-01-06T11:45:05+08:00", "utc": "1970-01-06T03:45:05Z", "ms": 445504659.05253804 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-01-05T14:44:34+08:00", "utc": "1970-01-05T06:44:34Z", "ms": 369874253.60177505 }, "end": { "local": "1970-01-06T11:45:05+08:00", "utc": "1970-01-06T03:45:05Z", "ms": 445504659.05253804 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-01-05", "window": { "start": { "local": "1970-01-05T17:24:51+08:00", "utc": "1970-01-05T09:24:51Z", "ms": 379490527.26920223 }, "end": { "local": "1970-01-05T19:12:23+08:00", "utc": "1970-01-05T11:12:23Z", "ms": 385943224.50650054 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1970-01-06", "window": { "start": { "local": "1970-01-06T17:25:33+08:00", "utc": "1970-01-06T09:25:33Z", "ms": 465933234.2248576 }, "end": { "local": "1970-01-06T19:13:02+08:00", "utc": "1970-01-06T11:13:02Z", "ms": 472381581.7175904 } }, "covered_min": 0, "window_min": 107, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 14:45 on Mon 5 Jan to 11:45 on Tue 6 Jan.", "fact": "1970-01-05T06:44:34Z → 1970-01-06T03:45:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:12 on the 5th, 17:26–19:13 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 5th and 0 of 107 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9616 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Monday 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": "1970-01-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Monday 5 January. Trayodaśī runs from 14:45 on Mon 5 Jan to 11:45 on Tue 6 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-01-05", "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/1970/shivaratri?on=1970-01-06", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27944, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-01-06T11:45:05+08:00", "utc": "1970-01-06T03:45:05Z", "ms": 445504659.05253804 }, "end": { "local": "1970-01-07T08:18:19+08:00", "utc": "1970-01-07T00:18:19Z", "ms": 519498732.3205104 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-01-06T11:45:05+08:00", "utc": "1970-01-06T03:45:05Z", "ms": 445504659.05253804 }, "end": { "local": "1970-01-07T08:18:19+08:00", "utc": "1970-01-07T00:18:19Z", "ms": 519498732.3205104 } }, "kaala": "nishita", "days": [ { "local_date": "1970-01-05", "window": { "start": { "local": "1970-01-05T23:44:08+08:00", "utc": "1970-01-05T15:44:08Z", "ms": 402248141.90907085 }, "end": { "local": "1970-01-06T00:32:08+08:00", "utc": "1970-01-05T16:32:08Z", "ms": 405128141.90907085 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-01-06", "window": { "start": { "local": "1970-01-06T23:44:35+08:00", "utc": "1970-01-06T15:44:35Z", "ms": 488674537.3226055 }, "end": { "local": "1970-01-07T00:32:35+08:00", "utc": "1970-01-06T16:32:35Z", "ms": 491554537.3226055 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 11:45 on Tue 6 Jan to 08:18 on Wed 7 Jan.", "fact": "1970-01-06T03:45:05Z → 1970-01-07T00:18:19Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 5th, 23:45–00:33 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27944 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Tuesday 6 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": "1970-01-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Tuesday 6 January. Caturdaśī runs from 11:45 on Tue 6 Jan to 08:18 on Wed 7 Jan and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-01-06", "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/1970/vinayaka-chaturthi?on=1970-01-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7833, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-01-10T17:43:01+08:00", "utc": "1970-01-10T09:43:01Z", "ms": 812581271.8986965 }, "end": { "local": "1970-01-11T14:45:11+08:00", "utc": "1970-01-11T06:45:11Z", "ms": 888310749.7953168 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-01-10T17:43:01+08:00", "utc": "1970-01-10T09:43:01Z", "ms": 812581271.8986965 }, "end": { "local": "1970-01-11T14:45:11+08:00", "utc": "1970-01-11T06:45:11Z", "ms": 888310749.7953168 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-01-10", "window": { "start": { "local": "1970-01-10T11:46:13+08:00", "utc": "1970-01-10T03:46:13Z", "ms": 791173153.409364 }, "end": { "local": "1970-01-10T12:34:13+08:00", "utc": "1970-01-10T04:34:13Z", "ms": 794053153.409364 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-01-11", "window": { "start": { "local": "1970-01-11T11:46:38+08:00", "utc": "1970-01-11T03:46:38Z", "ms": 877597706.1255699 }, "end": { "local": "1970-01-11T12:34:38+08:00", "utc": "1970-01-11T04:34:38Z", "ms": 880477706.1255699 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:43 on Sat 10 Jan to 14:45 on Sun 11 Jan.", "fact": "1970-01-10T09:43:01Z → 1970-01-11T06:45:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 10th, 11:47–12:35 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7833 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Sunday 11 January.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vinayaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-01-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Sunday 11 January. Caturthī runs from 17:43 on Sat 10 Jan to 14:45 on Sun 11 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-01-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/bhogi", "festival": "bhogi", "name": "Bhogi", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31594, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 }, "end": { "local": "1970-02-12T21:47:01+08:00", "utc": "1970-02-12T13:47:01Z", "ms": 3678421071.9805255 } }, "span": { "of": "transit", "start": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 }, "end": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 } }, "kaala": "sunset-day", "days": [ { "local_date": "1970-01-14", "window": { "start": { "local": "1970-01-13T17:30:45+08:00", "utc": "1970-01-13T09:30:45Z", "ms": 1071044826.0221142 }, "end": { "local": "1970-01-14T17:31:31+08:00", "utc": "1970-01-14T09:31:31Z", "ms": 1157490607.650022 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1970-01-15", "window": { "start": { "local": "1970-01-14T17:31:31+08:00", "utc": "1970-01-14T09:31:31Z", "ms": 1157490607.650022 }, "end": { "local": "1970-01-15T17:32:17+08:00", "utc": "1970-01-15T09:32:17Z", "ms": 1243936584.843497 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1970-01-14", "days": -1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:45 on Wed 14 Jan.", "fact": "1970-01-14T00:44:56Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:32, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 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 31594 s" }, { "step": "counted", "text": "Bhogi is kept the day before Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal − 1 d" }, { "step": "ruling", "text": "Bhogi, Fuzhou, 1970: Tuesday 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": "1970-01-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1970-01-13", "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": "1970-01-13", "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 1970 falls on Tuesday 13 January. It is kept the day before Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 08:45 on Wed 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/1970/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/1970/pongal", "festival": "pongal", "name": "Pongal", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31594, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 }, "end": { "local": "1970-02-12T21:47:01+08:00", "utc": "1970-02-12T13:47:01Z", "ms": 3678421071.9805255 } }, "span": { "of": "transit", "start": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 }, "end": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 } }, "kaala": "sunset-day", "days": [ { "local_date": "1970-01-14", "window": { "start": { "local": "1970-01-13T17:30:45+08:00", "utc": "1970-01-13T09:30:45Z", "ms": 1071044826.0221142 }, "end": { "local": "1970-01-14T17:31:31+08:00", "utc": "1970-01-14T09:31:31Z", "ms": 1157490607.650022 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1970-01-15", "window": { "start": { "local": "1970-01-14T17:31:31+08:00", "utc": "1970-01-14T09:31:31Z", "ms": 1157490607.650022 }, "end": { "local": "1970-01-15T17:32:17+08:00", "utc": "1970-01-15T09:32:17Z", "ms": 1243936584.843497 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:45 on Wed 14 Jan.", "fact": "1970-01-14T00:44:56Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:32, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 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 31594 s" }, { "step": "ruling", "text": "Pongal, Fuzhou, 1970: Wednesday 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": "1970-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1970-01-14", "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": "1970-01-14", "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 1970 falls on Wednesday 14 January. The Sun enters Makara at 08:45 on Wed 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/1970/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/1970/makara-sankranti", "festival": "makara-sankranti", "name": "Makara Saṅkrānti", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31496, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 }, "end": { "local": "1970-02-12T21:47:01+08:00", "utc": "1970-02-12T13:47:01Z", "ms": 3678421071.9805255 } }, "span": { "of": "transit", "start": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 }, "end": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 } }, "kaala": "civil-day", "days": [ { "local_date": "1970-01-13", "window": { "start": { "local": "1970-01-13T00:00:00+08:00", "utc": "1970-01-12T16:00:00Z", "ms": 1008000000 }, "end": { "local": "1970-01-14T00:00:00+08:00", "utc": "1970-01-13T16:00:00Z", "ms": 1094400000 } }, "covered_min": 0, "window_min": 1440, "qualifies": false }, { "local_date": "1970-01-14", "window": { "start": { "local": "1970-01-14T00:00:00+08:00", "utc": "1970-01-13T16:00:00Z", "ms": 1094400000 }, "end": { "local": "1970-01-15T00:00:00+08:00", "utc": "1970-01-14T16:00:00Z", "ms": 1180800000 } }, "covered_min": 1, "window_min": 1440, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:45 on Wed 14 Jan.", "fact": "1970-01-14T00:44:56Z · 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 31496 s" }, { "step": "ruling", "text": "Makara Saṅkrānti, Fuzhou, 1970: Wednesday 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": "1970-01-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-14", "confidence": "determinate" }, { "kind": "reckoning", "id": "sunrise-day", "local_date": "1970-01-14", "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": "1970-01-14", "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 1970 falls on Wednesday 14 January. The Sun enters Makara at 08:45 on Wed 14 Jan, and the rule counts the day from midnight.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/mattu-pongal", "festival": "mattu-pongal", "name": "Mattu Pongal", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31594, "anga": { "type": "sankranti", "index": 9, "key": "makara", "name": "Makara", "start": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 }, "end": { "local": "1970-02-12T21:47:01+08:00", "utc": "1970-02-12T13:47:01Z", "ms": 3678421071.9805255 } }, "span": { "of": "transit", "start": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 }, "end": { "local": "1970-01-14T08:44:56+08:00", "utc": "1970-01-14T00:44:56Z", "ms": 1125896168.020744 } }, "kaala": "sunset-day", "days": [ { "local_date": "1970-01-14", "window": { "start": { "local": "1970-01-13T17:30:45+08:00", "utc": "1970-01-13T09:30:45Z", "ms": 1071044826.0221142 }, "end": { "local": "1970-01-14T17:31:31+08:00", "utc": "1970-01-14T09:31:31Z", "ms": 1157490607.650022 } }, "covered_min": 1, "window_min": 1441, "qualifies": true }, { "local_date": "1970-01-15", "window": { "start": { "local": "1970-01-14T17:31:31+08:00", "utc": "1970-01-14T09:31:31Z", "ms": 1157490607.650022 }, "end": { "local": "1970-01-15T17:32:17+08:00", "utc": "1970-01-15T09:32:17Z", "ms": 1243936584.843497 } }, "covered_min": 0, "window_min": 1441, "qualifies": false } ], "follows": { "festival": "pongal", "name": "Pongal", "local_date": "1970-01-14", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Makara at 08:45 on Wed 14 Jan.", "fact": "1970-01-14T00:44:56Z · nirayana, lahiri-iae1985" }, { "step": "kaala", "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 17:32, and the day of the 15th ends at 17:32.", "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 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 31594 s" }, { "step": "counted", "text": "Mattu Pongal is kept the day after Pongal: Wednesday 14 January is the day taken above.", "fact": "follows: pongal + 1 d" }, { "step": "ruling", "text": "Mattu Pongal, Fuzhou, 1970: Thursday 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": "1970-01-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-15", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1970-01-15", "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": "1970-01-15", "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 1970 falls on Thursday 15 January. It is kept the day after Pongal, which falls on Wednesday 14 January. The Sun enters Makara at 08:45 on Wed 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/1970/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/1970/ekadashi?on=1970-01-18", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13021, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-01-17T10:28:55+08:00", "utc": "1970-01-17T02:28:55Z", "ms": 1391335334.901079 }, "end": { "local": "1970-01-18T11:55:12+08:00", "utc": "1970-01-18T03:55:12Z", "ms": 1482912293.8454416 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-01-17T10:28:55+08:00", "utc": "1970-01-17T02:28:55Z", "ms": 1391335334.901079 }, "end": { "local": "1970-01-18T11:55:12+08:00", "utc": "1970-01-18T03:55:12Z", "ms": 1482912293.8454416 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-01-17", "window": { "start": { "local": "1970-01-17T06:51:54+08:00", "utc": "1970-01-16T22:51:54Z", "ms": 1378314164.101375 }, "end": { "local": "1970-01-17T06:51:54+08:00", "utc": "1970-01-16T22:51:54Z", "ms": 1378314164.101375 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-01-18", "window": { "start": { "local": "1970-01-18T06:51:48+08:00", "utc": "1970-01-17T22:51:48Z", "ms": 1464707590.4912984 }, "end": { "local": "1970-01-18T06:51:48+08:00", "utc": "1970-01-17T22:51:48Z", "ms": 1464707590.4912984 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:29 on Sat 17 Jan to 11:55 on Sun 18 Jan.", "fact": "1970-01-17T02:28:55Z → 1970-01-18T03:55:12Z" }, { "step": "kaala", "text": "Sunrise is at 06:52 on the 17th and 06:52 on the 18th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 13021 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 1970: Sunday 18 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": "1970-01-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 1970 falls on Sunday 18 January. Ekādaśī runs from 10:29 on Sat 17 Jan to 11:55 on Sun 18 Jan and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-01-18", "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/1970/pradosha-vrata?on=1970-01-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5980, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-01-19T13:46:13+08:00", "utc": "1970-01-19T05:46:13Z", "ms": 1575972753.94382 }, "end": { "local": "1970-01-20T15:56:29+08:00", "utc": "1970-01-20T07:56:29Z", "ms": 1670188565.4546463 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-01-19T13:46:13+08:00", "utc": "1970-01-19T05:46:13Z", "ms": 1575972753.94382 }, "end": { "local": "1970-01-20T15:56:29+08:00", "utc": "1970-01-20T07:56:29Z", "ms": 1670188565.4546463 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-01-19", "window": { "start": { "local": "1970-01-19T17:35:22+08:00", "utc": "1970-01-19T09:35:22Z", "ms": 1589721749.010631 }, "end": { "local": "1970-01-19T19:21:31+08:00", "utc": "1970-01-19T11:21:31Z", "ms": 1596090832.6700604 } }, "covered_min": 106, "window_min": 106, "qualifies": true }, { "local_date": "1970-01-20", "window": { "start": { "local": "1970-01-20T17:36:08+08:00", "utc": "1970-01-20T09:36:08Z", "ms": 1676168191.65557 }, "end": { "local": "1970-01-20T19:22:10+08:00", "utc": "1970-01-20T11:22:10Z", "ms": 1682529599.5444071 } }, "covered_min": 0, "window_min": 106, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:46 on Mon 19 Jan to 15:56 on Tue 20 Jan.", "fact": "1970-01-19T05:46:13Z → 1970-01-20T07:56:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:22 on the 19th, 17:36–19:22 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 19th and 0 of 106 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5980 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Monday 19 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": "1970-01-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Monday 19 January. Trayodaśī runs from 13:46 on Mon 19 Jan to 15:56 on Tue 20 Jan and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-01-19", "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/1970/sankashta-chaturthi?on=1970-01-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-01-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31132, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-01-26T04:43:47+08:00", "utc": "1970-01-25T20:43:47Z", "ms": 2148227268.322108 }, "end": { "local": "1970-01-27T06:58:42+08:00", "utc": "1970-01-26T22:58:42Z", "ms": 2242721915.381024 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-01-26T04:43:47+08:00", "utc": "1970-01-25T20:43:47Z", "ms": 2148227268.322108 }, "end": { "local": "1970-01-27T06:58:42+08:00", "utc": "1970-01-26T22:58:42Z", "ms": 2242721915.381024 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-01-25", "window": { "start": { "local": "1970-01-25T20:04:55+08:00", "utc": "1970-01-25T12:04:55Z", "ms": 2117095096.020484 }, "end": { "local": "1970-01-25T20:04:55+08:00", "utc": "1970-01-25T12:04:55Z", "ms": 2117095096.020484 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-01-26", "window": { "start": { "local": "1970-01-26T20:56:35+08:00", "utc": "1970-01-26T12:56:35Z", "ms": 2206595088.1654396 }, "end": { "local": "1970-01-26T20:56:35+08:00", "utc": "1970-01-26T12:56:35Z", "ms": 2206595088.1654396 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 04:44 on Mon 26 Jan to 06:59 on Tue 27 Jan.", "fact": "1970-01-25T20:43:47Z → 1970-01-26T22:58:42Z" }, { "step": "kaala", "text": "Moonrise is at 20:05 on the 25th and 20:57 on the 26th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 31132 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Monday 26 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": "1970-01-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-01-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Monday 26 January. Caturthī runs from 04:44 on Mon 26 Jan to 06:59 on Tue 27 Jan and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-01-26", "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/1970/ekadashi?on=1970-02-02", "festival": "ekadashi", "name": "Ṣaṭtilā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3121, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-02-02T07:39:12+08:00", "utc": "1970-02-01T23:39:12Z", "ms": 2763552373.602758 }, "end": { "local": "1970-02-03T05:11:08+08:00", "utc": "1970-02-02T21:11:08Z", "ms": 2841068183.7839847 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-02T07:39:12+08:00", "utc": "1970-02-01T23:39:12Z", "ms": 2763552373.602758 }, "end": { "local": "1970-02-03T05:11:08+08:00", "utc": "1970-02-02T21:11:08Z", "ms": 2841068183.7839847 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-02-02", "window": { "start": { "local": "1970-02-02T06:47:12+08:00", "utc": "1970-02-01T22:47:12Z", "ms": 2760431860.1720033 }, "end": { "local": "1970-02-02T06:47:12+08:00", "utc": "1970-02-01T22:47:12Z", "ms": 2760431860.1720033 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-02-03", "window": { "start": { "local": "1970-02-03T06:46:42+08:00", "utc": "1970-02-02T22:46:42Z", "ms": 2846802294.272414 }, "end": { "local": "1970-02-03T06:46:42+08:00", "utc": "1970-02-02T22:46:42Z", "ms": 2846802294.272414 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:39 on Mon 2 Feb to 05:11 on Tue 3 Feb.", "fact": "1970-02-01T23:39:12Z → 1970-02-02T21:11:08Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 2nd and 06:47 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Neither sunrise qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 3121 s" }, { "step": "ruling", "text": "Ṣaṭtilā Ekādaśī, Fuzhou, 1970: Monday 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": "1970-02-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṣaṭtilā Ekādaśī 1970 falls on Monday 2 February. Ekādaśī runs from 07:39 on Mon 2 Feb to 05:11 on Tue 3 Feb, and is current at sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-02-02", "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/1970/pradosha-vrata?on=1970-02-04", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11433, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-02-04T02:09:00+08:00", "utc": "1970-02-03T18:09:00Z", "ms": 2916540452.04385 }, "end": { "local": "1970-02-04T22:41:49+08:00", "utc": "1970-02-04T14:41:49Z", "ms": 2990508920.864824 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-04T02:09:00+08:00", "utc": "1970-02-03T18:09:00Z", "ms": 2916540452.04385 }, "end": { "local": "1970-02-04T22:41:49+08:00", "utc": "1970-02-04T14:41:49Z", "ms": 2990508920.864824 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-02-03", "window": { "start": { "local": "1970-02-03T17:46:47+08:00", "utc": "1970-02-03T09:46:47Z", "ms": 2886407349.947687 }, "end": { "local": "1970-02-03T19:30:43+08:00", "utc": "1970-02-03T11:30:43Z", "ms": 2892642559.847291 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1970-02-04", "window": { "start": { "local": "1970-02-04T17:47:31+08:00", "utc": "1970-02-04T09:47:31Z", "ms": 2972851351.8670254 }, "end": { "local": "1970-02-04T19:31:16+08:00", "utc": "1970-02-04T11:31:16Z", "ms": 2979076407.2056847 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:09 on Wed 4 Feb to 22:42 on Wed 4 Feb.", "fact": "1970-02-03T18:09:00Z → 1970-02-04T14:41:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:31 on the 3rd, 17:48–19:31 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 3rd and 104 of 104 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11433 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Wednesday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Wednesday 4 February. Trayodaśī runs from 02:09 on Wed 4 Feb to 22:42 on Wed 4 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/shivaratri?on=1970-02-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4246, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-02-04T22:41:49+08:00", "utc": "1970-02-04T14:41:49Z", "ms": 2990508920.864824 }, "end": { "local": "1970-02-05T18:59:35+08:00", "utc": "1970-02-05T10:59:35Z", "ms": 3063575093.5259647 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-04T22:41:49+08:00", "utc": "1970-02-04T14:41:49Z", "ms": 2990508920.864824 }, "end": { "local": "1970-02-05T18:59:35+08:00", "utc": "1970-02-05T10:59:35Z", "ms": 3063575093.5259647 } }, "kaala": "nishita", "days": [ { "local_date": "1970-02-04", "window": { "start": { "local": "1970-02-04T23:52:35+08:00", "utc": "1970-02-04T15:52:35Z", "ms": 2994755309.386997 }, "end": { "local": "1970-02-05T00:40:35+08:00", "utc": "1970-02-04T16:40:35Z", "ms": 2997635309.386997 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-02-05", "window": { "start": { "local": "1970-02-05T23:52:40+08:00", "utc": "1970-02-05T15:52:40Z", "ms": 3081160432.6078925 }, "end": { "local": "1970-02-06T00:40:40+08:00", "utc": "1970-02-05T16:40:40Z", "ms": 3084040432.6078925 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:42 on Wed 4 Feb to 19:00 on Thu 5 Feb.", "fact": "1970-02-04T14:41:49Z → 1970-02-05T10:59:35Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 4th, 23:53–00:41 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 4246 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Wednesday 4 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-02-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Wednesday 4 February. Caturdaśī runs from 22:42 on Wed 4 Feb to 19:00 on Thu 5 Feb and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-02-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/yama-tarpana", "festival": "yama-tarpana", "name": "Yama Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22805, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-02-04T22:41:49+08:00", "utc": "1970-02-04T14:41:49Z", "ms": 2990508920.864824 }, "end": { "local": "1970-02-05T18:59:35+08:00", "utc": "1970-02-05T10:59:35Z", "ms": 3063575093.5259647 }, "month": { "amanta": 9, "purnimanta": 10, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-04T22:41:49+08:00", "utc": "1970-02-04T14:41:49Z", "ms": 2990508920.864824 }, "end": { "local": "1970-02-05T18:59:35+08:00", "utc": "1970-02-05T10:59:35Z", "ms": 3063575093.5259647 } }, "kaala": "arunodaya", "days": [ { "local_date": "1970-02-05", "window": { "start": { "local": "1970-02-05T05:01:54+08:00", "utc": "1970-02-04T21:01:54Z", "ms": 3013314211.56831 }, "end": { "local": "1970-02-05T06:45:39+08:00", "utc": "1970-02-04T22:45:39Z", "ms": 3019539266.906969 } }, "covered_min": 104, "window_min": 104, "qualifies": true }, { "local_date": "1970-02-06", "window": { "start": { "local": "1970-02-06T05:01:31+08:00", "utc": "1970-02-05T21:01:31Z", "ms": 3099691063.935996 }, "end": { "local": "1970-02-06T06:45:06+08:00", "utc": "1970-02-05T22:45:06Z", "ms": 3105905838.9643974 } }, "covered_min": 0, "window_min": 104, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:42 on Wed 4 Feb to 19:00 on Thu 5 Feb.", "fact": "1970-02-04T14:41:49Z → 1970-02-05T10:59:35Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:02–06:46 on the 5th, 05:02–06:45 on the 6th.", "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 5th and 0 of 104 on the 6th.", "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 22805 s" }, { "step": "ruling", "text": "Yama Tarpaṇa, Fuzhou, 1970: Thursday 5 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-tarpana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)" } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-02-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Tarpaṇa 1970 falls on Thursday 5 February. Caturdaśī runs from 22:42 on Wed 4 Feb to 19:00 on Thu 5 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ganesha-jayanti", "festival": "ganesha-jayanti", "name": "Gaṇeśa Jayantī", "everyday": "Maghi Ganesh Jayanti", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24213, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-02-09T05:09:39+08:00", "utc": "1970-02-08T21:09:39Z", "ms": 3359379134.471112 }, "end": { "local": "1970-02-10T02:45:53+08:00", "utc": "1970-02-09T18:45:53Z", "ms": 3437152549.1859736 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-09T05:09:39+08:00", "utc": "1970-02-08T21:09:39Z", "ms": 3359379134.471112 }, "end": { "local": "1970-02-10T02:45:53+08:00", "utc": "1970-02-09T18:45:53Z", "ms": 3437152549.1859736 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-02-09", "window": { "start": { "local": "1970-02-09T11:53:12+08:00", "utc": "1970-02-09T03:53:12Z", "ms": 3383592083.26916 }, "end": { "local": "1970-02-09T12:41:12+08:00", "utc": "1970-02-09T04:41:12Z", "ms": 3386472083.26916 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-02-10", "window": { "start": { "local": "1970-02-10T11:53:14+08:00", "utc": "1970-02-10T03:53:14Z", "ms": 3469993797.4462605 }, "end": { "local": "1970-02-10T12:41:14+08:00", "utc": "1970-02-10T04:41:14Z", "ms": 3472873797.4462605 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:10 on Mon 9 Feb to 02:46 on Tue 10 Feb.", "fact": "1970-02-08T21:09:39Z → 1970-02-09T18:45:53Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 9th, 11:53–12:41 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 24213 s" }, { "step": "ruling", "text": "Gaṇeśa Jayantī, Fuzhou, 1970: Monday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ganesha-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1970 falls on Monday 9 February. Caturthī runs from 05:10 on Mon 9 Feb to 02:46 on Tue 10 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/tila-chaturthi", "festival": "tila-chaturthi", "name": "Tila Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25914, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-02-09T05:09:39+08:00", "utc": "1970-02-08T21:09:39Z", "ms": 3359379134.471112 }, "end": { "local": "1970-02-10T02:45:53+08:00", "utc": "1970-02-09T18:45:53Z", "ms": 3437152549.1859736 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-09T05:09:39+08:00", "utc": "1970-02-08T21:09:39Z", "ms": 3359379134.471112 }, "end": { "local": "1970-02-10T02:45:53+08:00", "utc": "1970-02-09T18:45:53Z", "ms": 3437152549.1859736 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-02-08", "window": { "start": { "local": "1970-02-08T17:50:24+08:00", "utc": "1970-02-08T09:50:24Z", "ms": 3318623889.744716 }, "end": { "local": "1970-02-08T19:33:27+08:00", "utc": "1970-02-08T11:33:27Z", "ms": 3324807117.6923394 } }, "covered_min": 0, "window_min": 103, "qualifies": false }, { "local_date": "1970-02-09", "window": { "start": { "local": "1970-02-09T17:51:06+08:00", "utc": "1970-02-09T09:51:06Z", "ms": 3405066067.1864305 }, "end": { "local": "1970-02-09T19:33:59+08:00", "utc": "1970-02-09T11:33:59Z", "ms": 3411238559.8244414 } }, "covered_min": 103, "window_min": 103, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:10 on Mon 9 Feb to 02:46 on Tue 10 Feb.", "fact": "1970-02-08T21:09:39Z → 1970-02-09T18:45:53Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:50–19:33 on the 8th, 17:51–19:34 on the 9th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during pradoṣa. It covers 0 of 103 minutes on the 8th and 103 of 103 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25914 s" }, { "step": "ruling", "text": "Tila Caturthī, Fuzhou, 1970: Monday 9 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "tila-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-02-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Tila Caturthī 1970 falls on Monday 9 February. Caturthī runs from 05:10 on Mon 9 Feb to 02:46 on Tue 10 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/shri-panchami", "festival": "shri-panchami", "name": "Śrī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32841, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1970-02-10T02:45:53+08:00", "utc": "1970-02-09T18:45:53Z", "ms": 3437152549.1859736 }, "end": { "local": "1970-02-11T01:03:23+08:00", "utc": "1970-02-10T17:03:23Z", "ms": 3517403279.2482424 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-10T02:45:53+08:00", "utc": "1970-02-09T18:45:53Z", "ms": 3437152549.1859736 }, "end": { "local": "1970-02-11T01:03:23+08:00", "utc": "1970-02-10T17:03:23Z", "ms": 3517403279.2482424 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-02-10", "window": { "start": { "local": "1970-02-10T11:53:14+08:00", "utc": "1970-02-10T03:53:14Z", "ms": 3469993797.4462605 }, "end": { "local": "1970-02-10T12:41:14+08:00", "utc": "1970-02-10T04:41:14Z", "ms": 3472873797.4462605 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-02-11", "window": { "start": { "local": "1970-02-11T11:53:15+08:00", "utc": "1970-02-11T03:53:15Z", "ms": 3556394711.7969265 }, "end": { "local": "1970-02-11T12:41:15+08:00", "utc": "1970-02-11T04:41:15Z", "ms": 3559274711.7969265 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:46 on Tue 10 Feb to 01:03 on Wed 11 Feb.", "fact": "1970-02-09T18:45:53Z → 1970-02-10T17:03:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 10th, 11:53–12:41 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 32841 s" }, { "step": "ruling", "text": "Śrī Pañcamī, Fuzhou, 1970: Tuesday 10 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Pañcamī 1970 falls on Tuesday 10 February. Pañcamī runs from 02:46 on Tue 10 Feb to 01:03 on Wed 11 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vasanta-panchami", "festival": "vasanta-panchami", "name": "Vasanta Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32841, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1970-02-10T02:45:53+08:00", "utc": "1970-02-09T18:45:53Z", "ms": 3437152549.1859736 }, "end": { "local": "1970-02-11T01:03:23+08:00", "utc": "1970-02-10T17:03:23Z", "ms": 3517403279.2482424 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-10T02:45:53+08:00", "utc": "1970-02-09T18:45:53Z", "ms": 3437152549.1859736 }, "end": { "local": "1970-02-11T01:03:23+08:00", "utc": "1970-02-10T17:03:23Z", "ms": 3517403279.2482424 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-02-10", "window": { "start": { "local": "1970-02-10T11:53:14+08:00", "utc": "1970-02-10T03:53:14Z", "ms": 3469993797.4462605 }, "end": { "local": "1970-02-10T12:41:14+08:00", "utc": "1970-02-10T04:41:14Z", "ms": 3472873797.4462605 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-02-11", "window": { "start": { "local": "1970-02-11T11:53:15+08:00", "utc": "1970-02-11T03:53:15Z", "ms": 3556394711.7969265 }, "end": { "local": "1970-02-11T12:41:15+08:00", "utc": "1970-02-11T04:41:15Z", "ms": 3559274711.7969265 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 02:46 on Tue 10 Feb to 01:03 on Wed 11 Feb.", "fact": "1970-02-09T18:45:53Z → 1970-02-10T17:03:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 10th, 11:53–12:41 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 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. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32841 s" }, { "step": "ruling", "text": "Vasanta Pañcamī, Fuzhou, 1970: Tuesday 10 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasanta-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-02-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasanta Pañcamī 1970 falls on Tuesday 10 February. Pañcamī runs from 02:46 on Tue 10 Feb to 01:03 on Wed 11 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ratha-saptami", "festival": "ratha-saptami", "name": "Ratha Saptamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17526, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1970-02-12T00:06:42+08:00", "utc": "1970-02-11T16:06:42Z", "ms": 3600402459.699935 }, "end": { "local": "1970-02-12T23:57:30+08:00", "utc": "1970-02-12T15:57:30Z", "ms": 3686250430.21969 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-12T00:06:42+08:00", "utc": "1970-02-11T16:06:42Z", "ms": 3600402459.699935 }, "end": { "local": "1970-02-12T23:57:30+08:00", "utc": "1970-02-12T15:57:30Z", "ms": 3686250430.21969 } }, "kaala": "arunodaya", "days": [ { "local_date": "1970-02-12", "window": { "start": { "local": "1970-02-12T04:58:49+08:00", "utc": "1970-02-11T20:58:49Z", "ms": 3617928857.5085797 }, "end": { "local": "1970-02-12T06:41:20+08:00", "utc": "1970-02-11T22:41:20Z", "ms": 3624079577.6516814 } }, "covered_min": 103, "window_min": 103, "qualifies": true }, { "local_date": "1970-02-13", "window": { "start": { "local": "1970-02-13T04:58:18+08:00", "utc": "1970-02-12T20:58:18Z", "ms": 3704298086.5687666 }, "end": { "local": "1970-02-13T06:40:38+08:00", "utc": "1970-02-12T22:40:38Z", "ms": 3710437778.342845 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 00:07 on Thu 12 Feb to 23:58 on Thu 12 Feb.", "fact": "1970-02-11T16:06:42Z → 1970-02-12T15:57:30Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:59–06:41 on the 12th, 04:58–06:41 on the 13th.", "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 103 of 103 minutes on the 12th and 0 of 102 on the 13th.", "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 17526 s" }, { "step": "ruling", "text": "Ratha Saptamī, Fuzhou, 1970: Thursday 12 February.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ratha-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]." } ], "kaala": "arunodaya", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-02-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Ratha Saptamī 1970 falls on Thursday 12 February. Saptamī runs from 00:07 on Thu 12 Feb to 23:58 on Thu 12 Feb and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-02-16", "festival": "ekadashi", "name": "Jayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2192, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-02-16T03:44:13+08:00", "utc": "1970-02-15T19:44:13Z", "ms": 3959053284.61831 }, "end": { "local": "1970-02-17T06:01:08+08:00", "utc": "1970-02-16T22:01:08Z", "ms": 4053668099.5751047 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-16T03:44:13+08:00", "utc": "1970-02-15T19:44:13Z", "ms": 3959053284.61831 }, "end": { "local": "1970-02-17T06:01:08+08:00", "utc": "1970-02-16T22:01:08Z", "ms": 4053668099.5751047 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-02-16", "window": { "start": { "local": "1970-02-16T06:38:26+08:00", "utc": "1970-02-15T22:38:26Z", "ms": 3969505858.881841 }, "end": { "local": "1970-02-16T06:38:26+08:00", "utc": "1970-02-15T22:38:26Z", "ms": 3969505858.881841 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-02-17", "window": { "start": { "local": "1970-02-17T06:37:40+08:00", "utc": "1970-02-16T22:37:40Z", "ms": 4055859801.1052537 }, "end": { "local": "1970-02-17T06:37:40+08:00", "utc": "1970-02-16T22:37:40Z", "ms": 4055859801.1052537 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:44 on Mon 16 Feb to 06:01 on Tue 17 Feb.", "fact": "1970-02-15T19:44:13Z → 1970-02-16T22:01:08Z" }, { "step": "kaala", "text": "Sunrise is at 06:38 on the 16th and 06:38 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 2192 s" }, { "step": "ruling", "text": "Jayā Ekādaśī, Fuzhou, 1970: Monday 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": "1970-02-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Jayā Ekādaśī 1970 falls on Monday 16 February. Ekādaśī runs from 03:44 on Mon 16 Feb to 06:01 on Tue 17 Feb and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-02-16", "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/1970/bhishma-dvadashi", "festival": "bhishma-dvadashi", "name": "Bhīṣma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11969, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1970-02-17T06:01:08+08:00", "utc": "1970-02-16T22:01:08Z", "ms": 4053668099.5751047 }, "end": { "local": "1970-02-18T08:33:30+08:00", "utc": "1970-02-18T00:33:30Z", "ms": 4149210342.285207 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-17T06:01:08+08:00", "utc": "1970-02-16T22:01:08Z", "ms": 4053668099.5751047 }, "end": { "local": "1970-02-18T08:33:30+08:00", "utc": "1970-02-18T00:33:30Z", "ms": 4149210342.285207 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-02-17", "window": { "start": { "local": "1970-02-17T11:53:04+08:00", "utc": "1970-02-17T03:53:04Z", "ms": 4074783928.6920366 }, "end": { "local": "1970-02-17T12:41:04+08:00", "utc": "1970-02-17T04:41:04Z", "ms": 4077663928.6920366 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-02-18", "window": { "start": { "local": "1970-02-18T11:53:00+08:00", "utc": "1970-02-18T03:53:00Z", "ms": 4161179534.8581247 }, "end": { "local": "1970-02-18T12:41:00+08:00", "utc": "1970-02-18T04:41:00Z", "ms": 4164059534.8581247 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 06:01 on Tue 17 Feb to 08:34 on Wed 18 Feb.", "fact": "1970-02-16T22:01:08Z → 1970-02-18T00:33:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 17th, 11:53–12:41 on the 18th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11969 s" }, { "step": "ruling", "text": "Bhīṣma Dvādaśī, Fuzhou, 1970: Tuesday 17 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": "1970-02-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhīṣma Dvādaśī 1970 falls on Tuesday 17 February. Dvādaśī runs from 06:01 on Tue 17 Feb to 08:34 on Wed 18 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/pradosha-vrata?on=1970-02-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24326, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-02-18T08:33:30+08:00", "utc": "1970-02-18T00:33:30Z", "ms": 4149210342.285207 }, "end": { "local": "1970-02-19T11:12:18+08:00", "utc": "1970-02-19T03:12:18Z", "ms": 4245138377.4859934 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-18T08:33:30+08:00", "utc": "1970-02-18T00:33:30Z", "ms": 4149210342.285207 }, "end": { "local": "1970-02-19T11:12:18+08:00", "utc": "1970-02-19T03:12:18Z", "ms": 4245138377.4859934 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-02-18", "window": { "start": { "local": "1970-02-18T17:57:06+08:00", "utc": "1970-02-18T09:57:06Z", "ms": 4183026322.918467 }, "end": { "local": "1970-02-18T19:38:18+08:00", "utc": "1970-02-18T11:38:18Z", "ms": 4189098109.7245083 } }, "covered_min": 101, "window_min": 101, "qualifies": true }, { "local_date": "1970-02-19", "window": { "start": { "local": "1970-02-19T17:57:44+08:00", "utc": "1970-02-19T09:57:44Z", "ms": 4269464151.970529 }, "end": { "local": "1970-02-19T19:38:44+08:00", "utc": "1970-02-19T11:38:44Z", "ms": 4275524366.4938374 } }, "covered_min": 0, "window_min": 101, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:34 on Wed 18 Feb to 11:12 on Thu 19 Feb.", "fact": "1970-02-18T00:33:30Z → 1970-02-19T03:12:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:38 on the 18th, 17:58–19:39 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 101 of 101 minutes on the 18th and 0 of 101 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24326 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Wednesday 18 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": "1970-02-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Wednesday 18 February. Trayodaśī runs from 08:34 on Wed 18 Feb to 11:12 on Thu 19 Feb and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-02-18", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/maghi-purnima", "festival": "maghi-purnima", "name": "Māghī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 4127, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-02-20T13:49:36+08:00", "utc": "1970-02-20T05:49:36Z", "ms": 4340975807.675776 }, "end": { "local": "1970-02-21T16:18:41+08:00", "utc": "1970-02-21T08:18:41Z", "ms": 4436320932.541877 }, "month": { "amanta": 10, "purnimanta": 10, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Māgha" } }, "span": { "of": "tithi", "start": { "local": "1970-02-20T13:49:36+08:00", "utc": "1970-02-20T05:49:36Z", "ms": 4340975807.675776 }, "end": { "local": "1970-02-21T16:18:41+08:00", "utc": "1970-02-21T08:18:41Z", "ms": 4436320932.541877 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-02-20", "window": { "start": { "local": "1970-02-20T11:52:49+08:00", "utc": "1970-02-20T03:52:49Z", "ms": 4333968654.455719 }, "end": { "local": "1970-02-20T12:40:49+08:00", "utc": "1970-02-20T04:40:49Z", "ms": 4336848654.455719 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-02-21", "window": { "start": { "local": "1970-02-21T11:52:42+08:00", "utc": "1970-02-21T03:52:42Z", "ms": 4420362201.465471 }, "end": { "local": "1970-02-21T12:40:42+08:00", "utc": "1970-02-21T04:40:42Z", "ms": 4423242201.465471 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:50 on Fri 20 Feb to 16:19 on Sat 21 Feb.", "fact": "1970-02-20T05:49:36Z → 1970-02-21T08:18:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 20th, 11:53–12:41 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 4127 s" }, { "step": "ruling", "text": "Māghī Pūrṇimā, Fuzhou, 1970: Saturday 21 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": "1970-02-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Māghī Pūrṇimā 1970 falls on Saturday 21 February. Pūrṇimā runs from 13:50 on Fri 20 Feb to 16:19 on Sat 21 Feb and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-02-25", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-02-25", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5161, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-02-24T22:03:29+08:00", "utc": "1970-02-24T14:03:29Z", "ms": 4716208588.112057 }, "end": { "local": "1970-02-25T23:08:59+08:00", "utc": "1970-02-25T15:08:59Z", "ms": 4806538903.529929 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-02-24T22:03:29+08:00", "utc": "1970-02-24T14:03:29Z", "ms": 4716208588.112057 }, "end": { "local": "1970-02-25T23:08:59+08:00", "utc": "1970-02-25T15:08:59Z", "ms": 4806538903.529929 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-02-24", "window": { "start": { "local": "1970-02-24T20:37:28+08:00", "utc": "1970-02-24T12:37:28Z", "ms": 4711047628.951519 }, "end": { "local": "1970-02-24T20:37:28+08:00", "utc": "1970-02-24T12:37:28Z", "ms": 4711047628.951519 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-02-25", "window": { "start": { "local": "1970-02-25T21:32:13+08:00", "utc": "1970-02-25T13:32:13Z", "ms": 4800732790.016825 }, "end": { "local": "1970-02-25T21:32:13+08:00", "utc": "1970-02-25T13:32:13Z", "ms": 4800732790.016825 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 22:03 on Tue 24 Feb to 23:09 on Wed 25 Feb.", "fact": "1970-02-24T14:03:29Z → 1970-02-25T15:08:59Z" }, { "step": "kaala", "text": "Moonrise is at 20:37 on the 24th and 21:32 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5161 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Wednesday 25 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": "1970-02-25", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-02-25", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Wednesday 25 February. Caturthī runs from 22:03 on Tue 24 Feb to 23:09 on Wed 25 Feb and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-02-25", "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/1970/ekadashi?on=1970-03-04", "festival": "ekadashi", "name": "Vijayā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30572, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-03-03T17:41:40+08:00", "utc": "1970-03-03T09:41:40Z", "ms": 5305299965.962311 }, "end": { "local": "1970-03-04T14:53:58+08:00", "utc": "1970-03-04T06:53:58Z", "ms": 5381637675.95394 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-03-03T17:41:40+08:00", "utc": "1970-03-03T09:41:40Z", "ms": 5305299965.962311 }, "end": { "local": "1970-03-04T14:53:58+08:00", "utc": "1970-03-04T06:53:58Z", "ms": 5381637675.95394 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-03-03", "window": { "start": { "local": "1970-03-03T06:25:23+08:00", "utc": "1970-03-02T22:25:23Z", "ms": 5264723364.62241 }, "end": { "local": "1970-03-03T06:25:23+08:00", "utc": "1970-03-02T22:25:23Z", "ms": 5264723364.62241 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-03-04", "window": { "start": { "local": "1970-03-04T06:24:25+08:00", "utc": "1970-03-03T22:24:25Z", "ms": 5351065368.908302 }, "end": { "local": "1970-03-04T06:24:25+08:00", "utc": "1970-03-03T22:24:25Z", "ms": 5351065368.908302 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 17:42 on Tue 3 Mar to 14:54 on Wed 4 Mar.", "fact": "1970-03-03T09:41:40Z → 1970-03-04T06:53:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:25 on the 3rd and 06:24 on the 4th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30572 s" }, { "step": "ruling", "text": "Vijayā Ekādaśī, Fuzhou, 1970: Wednesday 4 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-03-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Ekādaśī 1970 falls on Wednesday 4 March. Ekādaśī runs from 17:42 on Tue 3 Mar to 14:54 on Wed 4 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-03-04", "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/1970/pradosha-vrata?on=1970-03-05", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 22787, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-03-05T11:46:05+08:00", "utc": "1970-03-05T03:46:05Z", "ms": 5456764638.536106 }, "end": { "local": "1970-03-06T08:25:44+08:00", "utc": "1970-03-06T00:25:44Z", "ms": 5531144237.879308 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-03-05T11:46:05+08:00", "utc": "1970-03-05T03:46:05Z", "ms": 5456764638.536106 }, "end": { "local": "1970-03-06T08:25:44+08:00", "utc": "1970-03-06T00:25:44Z", "ms": 5531144237.879308 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-03-05", "window": { "start": { "local": "1970-03-05T18:05:52+08:00", "utc": "1970-03-05T10:05:52Z", "ms": 5479551851.439006 }, "end": { "local": "1970-03-05T19:44:05+08:00", "utc": "1970-03-05T11:44:05Z", "ms": 5485444630.573504 } }, "covered_min": 98, "window_min": 98, "qualifies": true }, { "local_date": "1970-03-06", "window": { "start": { "local": "1970-03-06T18:06:24+08:00", "utc": "1970-03-06T10:06:24Z", "ms": 5565984033.72895 }, "end": { "local": "1970-03-06T19:44:25+08:00", "utc": "1970-03-06T11:44:25Z", "ms": 5571864571.488355 } }, "covered_min": 0, "window_min": 98, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:46 on Thu 5 Mar to 08:26 on Fri 6 Mar.", "fact": "1970-03-05T03:46:05Z → 1970-03-06T00:25:44Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:44 on the 5th, 18:06–19:44 on the 6th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 5th and 0 of 98 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 22787 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Thursday 5 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": "1970-03-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Thursday 5 March. Trayodaśī runs from 11:46 on Thu 5 Mar to 08:26 on Fri 6 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-03-05", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/maha-shivaratri", "festival": "maha-shivaratri", "name": "Mahāśivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15814, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-03-06T08:25:44+08:00", "utc": "1970-03-06T00:25:44Z", "ms": 5531144237.879308 }, "end": { "local": "1970-03-07T05:01:30+08:00", "utc": "1970-03-06T21:01:30Z", "ms": 5605289818.117935 }, "month": { "amanta": 10, "purnimanta": 11, "adhika": false, "amanta_name": "Māgha", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-03-06T08:25:44+08:00", "utc": "1970-03-06T00:25:44Z", "ms": 5531144237.879308 }, "end": { "local": "1970-03-07T05:01:30+08:00", "utc": "1970-03-06T21:01:30Z", "ms": 5605289818.117935 } }, "kaala": "nishita", "days": [ { "local_date": "1970-03-05", "window": { "start": { "local": "1970-03-05T23:50:10+08:00", "utc": "1970-03-05T15:50:10Z", "ms": 5500209773.193375 }, "end": { "local": "1970-03-06T00:38:10+08:00", "utc": "1970-03-05T16:38:10Z", "ms": 5503089773.193375 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-03-06", "window": { "start": { "local": "1970-03-06T23:49:56+08:00", "utc": "1970-03-06T15:49:56Z", "ms": 5586596050.326718 }, "end": { "local": "1970-03-07T00:37:56+08:00", "utc": "1970-03-06T16:37:56Z", "ms": 5589476050.326718 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 08:26 on Fri 6 Mar to 05:01 on Sat 7 Mar.", "fact": "1970-03-06T00:25:44Z → 1970-03-06T21:01:30Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 5th, 23:50–00:38 on the 6th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: disputed → only-day · margin 15814 s" }, { "step": "ruling", "text": "Mahāśivarātri, Fuzhou, 1970: Friday 6 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "maha-shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day" } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "disputed", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-03-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāśivarātri 1970 falls on Friday 6 March. Caturdaśī runs from 08:26 on Fri 6 Mar to 05:01 on Sat 7 Mar and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vinayaka-chaturthi?on=1970-03-11", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13365, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-03-10T17:48:37+08:00", "utc": "1970-03-10T09:48:37Z", "ms": 5910517001.497282 }, "end": { "local": "1970-03-11T16:19:58+08:00", "utc": "1970-03-11T08:19:58Z", "ms": 5991597842.367744 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-03-10T17:48:37+08:00", "utc": "1970-03-10T09:48:37Z", "ms": 5910517001.497282 }, "end": { "local": "1970-03-11T16:19:58+08:00", "utc": "1970-03-11T08:19:58Z", "ms": 5991597842.367744 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-03-10", "window": { "start": { "local": "1970-03-10T11:49:28+08:00", "utc": "1970-03-10T03:49:28Z", "ms": 5888967984.111227 }, "end": { "local": "1970-03-10T12:37:28+08:00", "utc": "1970-03-10T04:37:28Z", "ms": 5891847984.111227 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-03-11", "window": { "start": { "local": "1970-03-11T11:49:13+08:00", "utc": "1970-03-11T03:49:13Z", "ms": 5975352583.861256 }, "end": { "local": "1970-03-11T12:37:13+08:00", "utc": "1970-03-11T04:37:13Z", "ms": 5978232583.861256 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:49 on Tue 10 Mar to 16:20 on Wed 11 Mar.", "fact": "1970-03-10T09:48:37Z → 1970-03-11T08:19:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 10th, 11:49–12:37 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13365 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Wednesday 11 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": "1970-03-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Wednesday 11 March. Caturthī runs from 17:49 on Tue 10 Mar to 16:20 on Wed 11 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-03-11", "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/1970/ekadashi?on=1970-03-18", "festival": "ekadashi", "name": "Āmalakī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17157, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-03-17T22:44:40+08:00", "utc": "1970-03-17T14:44:40Z", "ms": 6533079825.767056 }, "end": { "local": "1970-03-19T01:23:05+08:00", "utc": "1970-03-18T17:23:05Z", "ms": 6628984580.136291 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-03-17T22:44:40+08:00", "utc": "1970-03-17T14:44:40Z", "ms": 6533079825.767056 }, "end": { "local": "1970-03-19T01:23:05+08:00", "utc": "1970-03-18T17:23:05Z", "ms": 6628984580.136291 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-03-18", "window": { "start": { "local": "1970-03-18T06:10:05+08:00", "utc": "1970-03-17T22:10:05Z", "ms": 6559805002.12156 }, "end": { "local": "1970-03-18T06:10:05+08:00", "utc": "1970-03-17T22:10:05Z", "ms": 6559805002.12156 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-03-19", "window": { "start": { "local": "1970-03-19T06:09:01+08:00", "utc": "1970-03-18T22:09:01Z", "ms": 6646141129.057351 }, "end": { "local": "1970-03-19T06:09:01+08:00", "utc": "1970-03-18T22:09:01Z", "ms": 6646141129.057351 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:45 on Tue 17 Mar to 01:23 on Thu 19 Mar.", "fact": "1970-03-17T14:44:40Z → 1970-03-18T17:23:05Z" }, { "step": "kaala", "text": "Sunrise is at 06:10 on the 18th and 06:09 on the 19th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 17157 s" }, { "step": "ruling", "text": "Āmalakī Ekādaśī, Fuzhou, 1970: Wednesday 18 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": "1970-03-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Āmalakī Ekādaśī 1970 falls on Wednesday 18 March. Ekādaśī runs from 22:45 on Tue 17 Mar to 01:23 on Thu 19 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-03-18", "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/1970/pradosha-vrata?on=1970-03-20", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29386, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-03-20T03:58:03+08:00", "utc": "1970-03-19T19:58:03Z", "ms": 6724682876.758652 }, "end": { "local": "1970-03-21T06:19:12+08:00", "utc": "1970-03-20T22:19:12Z", "ms": 6819551513.165075 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-03-20T03:58:03+08:00", "utc": "1970-03-19T19:58:03Z", "ms": 6724682876.758652 }, "end": { "local": "1970-03-21T06:19:12+08:00", "utc": "1970-03-20T22:19:12Z", "ms": 6819551513.165075 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-03-19", "window": { "start": { "local": "1970-03-19T18:12:57+08:00", "utc": "1970-03-19T10:12:57Z", "ms": 6689576527.229519 }, "end": { "local": "1970-03-19T19:48:17+08:00", "utc": "1970-03-19T11:48:17Z", "ms": 6695296601.116104 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1970-03-20", "window": { "start": { "local": "1970-03-20T18:13:25+08:00", "utc": "1970-03-20T10:13:25Z", "ms": 6776005119.432959 }, "end": { "local": "1970-03-20T19:48:33+08:00", "utc": "1970-03-20T11:48:33Z", "ms": 6781712821.885403 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:58 on Fri 20 Mar to 06:19 on Sat 21 Mar.", "fact": "1970-03-19T19:58:03Z → 1970-03-20T22:19:12Z" }, { "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 0 of 95 minutes on the 19th and 95 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 29386 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Friday 20 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-03-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Friday 20 March. Trayodaśī runs from 03:58 on Fri 20 Mar to 06:19 on Sat 21 Mar and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-03-20", "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/1970/holika-dahana", "festival": "holika-dahana", "name": "Holikā Dahana", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21383, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-03-22T08:18:54+08:00", "utc": "1970-03-22T00:18:54Z", "ms": 6913133843.290916 }, "end": { "local": "1970-03-23T09:52:26+08:00", "utc": "1970-03-23T01:52:26Z", "ms": 7005145731.486787 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-03-22T08:18:54+08:00", "utc": "1970-03-22T00:18:54Z", "ms": 6913133843.290916 }, "end": { "local": "1970-03-23T09:52:26+08:00", "utc": "1970-03-23T01:52:26Z", "ms": 7005145731.486787 } }, "kaala": "sayahna", "days": [ { "local_date": "1970-03-22", "window": { "start": { "local": "1970-03-22T15:48:39+08:00", "utc": "1970-03-22T07:48:39Z", "ms": 6940119198.761001 }, "end": { "local": "1970-03-22T18:14:22+08:00", "utc": "1970-03-22T10:14:22Z", "ms": 6948861854.1326475 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "1970-03-23", "window": { "start": { "local": "1970-03-23T15:48:49+08:00", "utc": "1970-03-23T07:48:49Z", "ms": 7026528860.677025 }, "end": { "local": "1970-03-23T18:14:50+08:00", "utc": "1970-03-23T10:14:50Z", "ms": 7035290031.165427 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:19 on Sun 22 Mar to 09:52 on Mon 23 Mar.", "fact": "1970-03-22T00:18:54Z → 1970-03-23T01:52:26Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:14 on the 22nd, 15:49–18:15 on the 23rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 146 of 146 minutes on the 22nd and 0 of 146 on the 23rd.", "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 21383 s" }, { "step": "ruling", "text": "Holikā Dahana, Fuzhou, 1970: Sunday 22 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": "1970-03-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Holikā Dahana 1970 falls on Sunday 22 March. Pūrṇimā runs from 08:19 on Sun 22 Mar to 09:52 on Mon 23 Mar and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/holi", "festival": "holi", "name": "Holī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21383, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-03-22T08:18:54+08:00", "utc": "1970-03-22T00:18:54Z", "ms": 6913133843.290916 }, "end": { "local": "1970-03-23T09:52:26+08:00", "utc": "1970-03-23T01:52:26Z", "ms": 7005145731.486787 }, "month": { "amanta": 11, "purnimanta": 11, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Phālguna" } }, "span": { "of": "tithi", "start": { "local": "1970-03-22T08:18:54+08:00", "utc": "1970-03-22T00:18:54Z", "ms": 6913133843.290916 }, "end": { "local": "1970-03-23T09:52:26+08:00", "utc": "1970-03-23T01:52:26Z", "ms": 7005145731.486787 } }, "kaala": "sayahna", "days": [ { "local_date": "1970-03-22", "window": { "start": { "local": "1970-03-22T15:48:39+08:00", "utc": "1970-03-22T07:48:39Z", "ms": 6940119198.761001 }, "end": { "local": "1970-03-22T18:14:22+08:00", "utc": "1970-03-22T10:14:22Z", "ms": 6948861854.1326475 } }, "covered_min": 146, "window_min": 146, "qualifies": true }, { "local_date": "1970-03-23", "window": { "start": { "local": "1970-03-23T15:48:49+08:00", "utc": "1970-03-23T07:48:49Z", "ms": 7026528860.677025 }, "end": { "local": "1970-03-23T18:14:50+08:00", "utc": "1970-03-23T10:14:50Z", "ms": 7035290031.165427 } }, "covered_min": 0, "window_min": 146, "qualifies": false } ], "follows": { "festival": "holika-dahana", "name": "Holikā Dahana", "local_date": "1970-03-22", "days": 1 }, "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 08:19 on Sun 22 Mar to 09:52 on Mon 23 Mar.", "fact": "1970-03-22T00:18:54Z → 1970-03-23T01:52:26Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:49–18:14 on the 22nd, 15:49–18:15 on the 23rd.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 146 of 146 minutes on the 22nd and 0 of 146 on the 23rd.", "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 21383 s" }, { "step": "counted", "text": "Holī is kept the day after Holikā Dahana: Sunday 22 March is the day taken above.", "fact": "follows: holika-dahana + 1 d" }, { "step": "ruling", "text": "Holī, Fuzhou, 1970: Monday 23 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": "1970-03-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Holī 1970 falls on Monday 23 March. It is kept the day after Holikā Dahana, which falls on Sunday 22 March. Pūrṇimā runs from 08:19 on Sun 22 Mar to 09:52 on Mon 23 Mar and covers all of sāyāhna on the 22nd.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vasantotsava", "festival": "vasantotsava", "name": "Vasantotsava", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13662, "anga": { "type": "tithi", "index": 15, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1970-03-23T09:52:26+08:00", "utc": "1970-03-23T01:52:26Z", "ms": 7005145731.486787 }, "end": { "local": "1970-03-24T10:57:31+08:00", "utc": "1970-03-24T02:57:31Z", "ms": 7095451081.44192 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-03-23T09:52:26+08:00", "utc": "1970-03-23T01:52:26Z", "ms": 7005145731.486787 }, "end": { "local": "1970-03-24T10:57:31+08:00", "utc": "1970-03-24T02:57:31Z", "ms": 7095451081.44192 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-03-23", "window": { "start": { "local": "1970-03-23T06:04:44+08:00", "utc": "1970-03-22T22:04:44Z", "ms": 6991484178.723414 }, "end": { "local": "1970-03-23T06:04:44+08:00", "utc": "1970-03-22T22:04:44Z", "ms": 6991484178.723414 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-03-24", "window": { "start": { "local": "1970-03-24T06:03:40+08:00", "utc": "1970-03-23T22:03:40Z", "ms": 7077819721.272661 }, "end": { "local": "1970-03-24T06:03:40+08:00", "utc": "1970-03-23T22:03:40Z", "ms": 7077819721.272661 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 09:52 on Mon 23 Mar to 10:58 on Tue 24 Mar.", "fact": "1970-03-23T01:52:26Z → 1970-03-24T02:57:31Z" }, { "step": "kaala", "text": "Sunrise is at 06:05 on the 23rd and 06:04 on the 24th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be current at sunrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13662 s" }, { "step": "ruling", "text": "Vasantotsava, Fuzhou, 1970: Tuesday 24 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vasantotsava", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "sunrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-03-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Vasantotsava 1970 falls on Tuesday 24 March. Pratipadā runs from 09:52 on Mon 23 Mar to 10:58 on Tue 24 Mar and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-03-26", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34953, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-03-26T11:41:40+08:00", "utc": "1970-03-26T03:41:40Z", "ms": 7270900296.737594 }, "end": { "local": "1970-03-27T11:22:39+08:00", "utc": "1970-03-27T03:22:39Z", "ms": 7356158793.403046 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-03-26T11:41:40+08:00", "utc": "1970-03-26T03:41:40Z", "ms": 7270900296.737594 }, "end": { "local": "1970-03-27T11:22:39+08:00", "utc": "1970-03-27T03:22:39Z", "ms": 7356158793.403046 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-03-26", "window": { "start": { "local": "1970-03-26T21:24:13+08:00", "utc": "1970-03-26T13:24:13Z", "ms": 7305853474.260484 }, "end": { "local": "1970-03-26T21:24:13+08:00", "utc": "1970-03-26T13:24:13Z", "ms": 7305853474.260484 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-03-27", "window": { "start": { "local": "1970-03-27T22:27:07+08:00", "utc": "1970-03-27T14:27:07Z", "ms": 7396026701.726399 }, "end": { "local": "1970-03-27T22:27:07+08:00", "utc": "1970-03-27T14:27:07Z", "ms": 7396026701.726399 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:42 on Thu 26 Mar to 11:23 on Fri 27 Mar.", "fact": "1970-03-26T03:41:40Z → 1970-03-27T03:22:39Z" }, { "step": "kaala", "text": "Moonrise is at 21:24 on the 26th and 22:27 on the 27th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34953 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Thursday 26 March.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "sankashta-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday." } ], "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.", "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-03-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Thursday 26 March. Caturthī runs from 11:42 on Thu 26 Mar to 11:23 on Fri 27 Mar and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-03-26", "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/1970/shitalashtami", "festival": "shitalashtami", "name": "Śītalāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-03-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13533, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-03-30T07:58:06+08:00", "utc": "1970-03-29T23:58:06Z", "ms": 7603086206.500366 }, "end": { "local": "1970-03-31T06:05:58+08:00", "utc": "1970-03-30T22:05:58Z", "ms": 7682758249.894879 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-03-30T07:58:06+08:00", "utc": "1970-03-29T23:58:06Z", "ms": 7603086206.500366 }, "end": { "local": "1970-03-31T06:05:58+08:00", "utc": "1970-03-30T22:05:58Z", "ms": 7682758249.894879 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-03-30", "window": { "start": { "local": "1970-03-30T11:43:39+08:00", "utc": "1970-03-30T03:43:39Z", "ms": 7616619362.046545 }, "end": { "local": "1970-03-30T12:31:39+08:00", "utc": "1970-03-30T04:31:39Z", "ms": 7619499362.046545 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-03-31", "window": { "start": { "local": "1970-03-31T11:43:21+08:00", "utc": "1970-03-31T03:43:21Z", "ms": 7703001246.013038 }, "end": { "local": "1970-03-31T12:31:21+08:00", "utc": "1970-03-31T04:31:21Z", "ms": 7705881246.013038 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 07:58 on Mon 30 Mar to 06:06 on Tue 31 Mar.", "fact": "1970-03-29T23:58:06Z → 1970-03-30T22:05:58Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:43–12:31 on the 31st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 13533 s" }, { "step": "ruling", "text": "Śītalāṣṭamī, Fuzhou, 1970: Monday 30 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": "1970-03-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-03-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalāṣṭamī 1970 falls on Monday 30 March. Aṣṭamī runs from 07:58 on Mon 30 Mar to 06:06 on Tue 31 Mar and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-04-02", "festival": "ekadashi", "name": "Pāpamocanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15924, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-04-02T01:28:38+08:00", "utc": "1970-04-01T17:28:38Z", "ms": 7838917778.673984 }, "end": { "local": "1970-04-02T22:50:10+08:00", "utc": "1970-04-02T14:50:10Z", "ms": 7915809560.898982 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-02T01:28:38+08:00", "utc": "1970-04-01T17:28:38Z", "ms": 7838917778.673984 }, "end": { "local": "1970-04-02T22:50:10+08:00", "utc": "1970-04-02T14:50:10Z", "ms": 7915809560.898982 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-04-02", "window": { "start": { "local": "1970-04-02T05:54:02+08:00", "utc": "1970-04-01T21:54:02Z", "ms": 7854841742.232053 }, "end": { "local": "1970-04-02T05:54:02+08:00", "utc": "1970-04-01T21:54:02Z", "ms": 7854841742.232053 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-04-03", "window": { "start": { "local": "1970-04-03T05:52:58+08:00", "utc": "1970-04-02T21:52:58Z", "ms": 7941178278.132931 }, "end": { "local": "1970-04-03T05:52:58+08:00", "utc": "1970-04-02T21:52:58Z", "ms": 7941178278.132931 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:29 on Thu 2 Apr to 22:50 on Thu 2 Apr.", "fact": "1970-04-01T17:28:38Z → 1970-04-02T14:50:10Z" }, { "step": "kaala", "text": "Sunrise is at 05:54 on the 2nd and 05:53 on the 3rd.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15924 s" }, { "step": "ruling", "text": "Pāpamocanī Ekādaśī, Fuzhou, 1970: Thursday 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": "1970-04-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāpamocanī Ekādaśī 1970 falls on Thursday 2 April. Ekādaśī runs from 01:29 on Thu 2 Apr to 22:50 on Thu 2 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-04-02", "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/1970/pradosha-vrata?on=1970-04-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-03", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 745, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-04-03T20:04:38+08:00", "utc": "1970-04-03T12:04:38Z", "ms": 7992277556.151101 }, "end": { "local": "1970-04-04T17:17:56+08:00", "utc": "1970-04-04T09:17:56Z", "ms": 8068676359.751342 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-03T20:04:38+08:00", "utc": "1970-04-03T12:04:38Z", "ms": 7992277556.151101 }, "end": { "local": "1970-04-04T17:17:56+08:00", "utc": "1970-04-04T09:17:56Z", "ms": 8068676359.751342 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-04-03", "window": { "start": { "local": "1970-04-03T18:19:57+08:00", "utc": "1970-04-03T10:19:57Z", "ms": 7985996817.556136 }, "end": { "local": "1970-04-03T19:52:13+08:00", "utc": "1970-04-03T11:52:13Z", "ms": 7991532583.533918 } }, "covered_min": 0, "window_min": 92, "qualifies": false }, { "local_date": "1970-04-04", "window": { "start": { "local": "1970-04-04T18:20:25+08:00", "utc": "1970-04-04T10:20:25Z", "ms": 8072424783.419236 }, "end": { "local": "1970-04-04T19:52:28+08:00", "utc": "1970-04-04T11:52:28Z", "ms": 8077948428.136147 } }, "covered_min": 0, "window_min": 92, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:05 on Fri 3 Apr to 17:18 on Sat 4 Apr.", "fact": "1970-04-03T12:04:38Z → 1970-04-04T09:17:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–19:52 on the 3rd, 18:20–19:52 on the 4th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 3rd and 0 of 92 on the 4th.", "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 745 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Friday 3 April.", "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": "1970-04-03", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Friday 3 April. Trayodaśī runs from 20:05 on Fri 3 Apr to 17:18 on Sat 4 Apr, and reaches pradoṣa on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-04-03", "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/1970/shivaratri?on=1970-04-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23022, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-04-04T17:17:56+08:00", "utc": "1970-04-04T09:17:56Z", "ms": 8068676359.751342 }, "end": { "local": "1970-04-05T14:36:58+08:00", "utc": "1970-04-05T06:36:58Z", "ms": 8145418153.197742 }, "month": { "amanta": 11, "purnimanta": 0, "adhika": false, "amanta_name": "Phālguna", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-04T17:17:56+08:00", "utc": "1970-04-04T09:17:56Z", "ms": 8068676359.751342 }, "end": { "local": "1970-04-05T14:36:58+08:00", "utc": "1970-04-05T06:36:58Z", "ms": 8145418153.197742 } }, "kaala": "nishita", "days": [ { "local_date": "1970-04-04", "window": { "start": { "local": "1970-04-04T23:41:38+08:00", "utc": "1970-04-04T15:41:38Z", "ms": 8091698451.10765 }, "end": { "local": "1970-04-05T00:29:38+08:00", "utc": "1970-04-04T16:29:38Z", "ms": 8094578451.10765 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-04-05", "window": { "start": { "local": "1970-04-05T23:41:21+08:00", "utc": "1970-04-05T15:41:21Z", "ms": 8178081137.0481205 }, "end": { "local": "1970-04-06T00:29:21+08:00", "utc": "1970-04-05T16:29:21Z", "ms": 8180961137.0481205 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:18 on Sat 4 Apr to 14:37 on Sun 5 Apr.", "fact": "1970-04-04T09:17:56Z → 1970-04-05T06:36:58Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 4th, 23:41–00:29 on the 5th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 23022 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Saturday 4 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": "1970-04-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Saturday 4 April. Caturdaśī runs from 17:18 on Sat 4 Apr to 14:37 on Sun 5 Apr and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-04-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/navaratra-arambha-caitra", "festival": "navaratra-arambha-caitra", "name": "Navarātrārambha (Caitra)", "everyday": "Chaitra Navratri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1214, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1970-04-06T12:09:21+08:00", "utc": "1970-04-06T04:09:21Z", "ms": 8222960708.035476 }, "end": { "local": "1970-04-07T10:03:08+08:00", "utc": "1970-04-07T02:03:08Z", "ms": 8301787704.491405 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-06T12:09:21+08:00", "utc": "1970-04-06T04:09:21Z", "ms": 8222960708.035476 }, "end": { "local": "1970-04-07T10:03:08+08:00", "utc": "1970-04-07T02:03:08Z", "ms": 8301787704.491405 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-06", "window": { "start": { "local": "1970-04-06T11:41:35+08:00", "utc": "1970-04-06T03:41:35Z", "ms": 8221295177.249485 }, "end": { "local": "1970-04-06T12:29:35+08:00", "utc": "1970-04-06T04:29:35Z", "ms": 8224175177.249485 } }, "covered_min": 20, "window_min": 48, "qualifies": true }, { "local_date": "1970-04-07", "window": { "start": { "local": "1970-04-07T11:41:18+08:00", "utc": "1970-04-07T03:41:18Z", "ms": 8307678084.686895 }, "end": { "local": "1970-04-07T12:29:18+08:00", "utc": "1970-04-07T04:29:18Z", "ms": 8310558084.686895 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 12:09 on Mon 6 Apr to 10:03 on Tue 7 Apr.", "fact": "1970-04-06T04:09:21Z → 1970-04-07T02:03:08Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 6th, 11:41–12:29 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during madhyāhna. It covers 20 of 48 minutes on the 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 1214 s" }, { "step": "ruling", "text": "Navarātrārambha (Caitra), Fuzhou, 1970: Monday 6 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "navaratra-arambha-caitra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 1 Navaratrarambha (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-04-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Caitra) (Chaitra Navratri) 1970 falls on Monday 6 April. Pratipadā runs from 12:09 on Mon 6 Apr to 10:03 on Tue 7 Apr and covers 20 of 48 minutes of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/gauri-tritiya", "festival": "gauri-tritiya", "name": "Gaurī Tṛtīyā", "everyday": "Gangaur", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11682, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1970-04-08T08:26:19+08:00", "utc": "1970-04-08T00:26:19Z", "ms": 8382379395.499945 }, "end": { "local": "1970-04-09T07:26:11+08:00", "utc": "1970-04-08T23:26:11Z", "ms": 8465171235.752449 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-08T08:26:19+08:00", "utc": "1970-04-08T00:26:19Z", "ms": 8382379395.499945 }, "end": { "local": "1970-04-09T07:26:11+08:00", "utc": "1970-04-08T23:26:11Z", "ms": 8465171235.752449 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-08", "window": { "start": { "local": "1970-04-08T11:41:01+08:00", "utc": "1970-04-08T03:41:01Z", "ms": 8394061197.321755 }, "end": { "local": "1970-04-08T12:29:01+08:00", "utc": "1970-04-08T04:29:01Z", "ms": 8396941197.321755 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-04-09", "window": { "start": { "local": "1970-04-09T11:40:45+08:00", "utc": "1970-04-09T03:40:45Z", "ms": 8480444529.093636 }, "end": { "local": "1970-04-09T12:28:45+08:00", "utc": "1970-04-09T04:28:45Z", "ms": 8483324529.093636 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:26 on Wed 8 Apr to 07:26 on Thu 9 Apr.", "fact": "1970-04-08T00:26:19Z → 1970-04-08T23:26:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 8th, 11:41–12:29 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 11682 s" }, { "step": "ruling", "text": "Gaurī Tṛtīyā, Fuzhou, 1970: Wednesday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gauri-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaurī Tṛtīyā (Gangaur) 1970 falls on Wednesday 8 April. Tṛtīyā runs from 08:26 on Wed 8 Apr to 07:26 on Thu 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/saubhagya-shayana-vrata", "festival": "saubhagya-shayana-vrata", "name": "Saubhāgya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11682, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1970-04-08T08:26:19+08:00", "utc": "1970-04-08T00:26:19Z", "ms": 8382379395.499945 }, "end": { "local": "1970-04-09T07:26:11+08:00", "utc": "1970-04-08T23:26:11Z", "ms": 8465171235.752449 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-08T08:26:19+08:00", "utc": "1970-04-08T00:26:19Z", "ms": 8382379395.499945 }, "end": { "local": "1970-04-09T07:26:11+08:00", "utc": "1970-04-08T23:26:11Z", "ms": 8465171235.752449 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-08", "window": { "start": { "local": "1970-04-08T11:41:01+08:00", "utc": "1970-04-08T03:41:01Z", "ms": 8394061197.321755 }, "end": { "local": "1970-04-08T12:29:01+08:00", "utc": "1970-04-08T04:29:01Z", "ms": 8396941197.321755 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-04-09", "window": { "start": { "local": "1970-04-09T11:40:45+08:00", "utc": "1970-04-09T03:40:45Z", "ms": 8480444529.093636 }, "end": { "local": "1970-04-09T12:28:45+08:00", "utc": "1970-04-09T04:28:45Z", "ms": 8483324529.093636 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 08:26 on Wed 8 Apr to 07:26 on Thu 9 Apr.", "fact": "1970-04-08T00:26:19Z → 1970-04-08T23:26:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 8th, 11:41–12:29 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 11682 s" }, { "step": "ruling", "text": "Saubhāgya Śayana Vrata, Fuzhou, 1970: Wednesday 8 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "saubhagya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-04-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Saubhāgya Śayana Vrata 1970 falls on Wednesday 8 April. Tṛtīyā runs from 08:26 on Wed 8 Apr to 07:26 on Thu 9 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vinayaka-chaturthi?on=1970-04-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15273, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-04-09T07:26:11+08:00", "utc": "1970-04-08T23:26:11Z", "ms": 8465171235.752449 }, "end": { "local": "1970-04-10T07:08:19+08:00", "utc": "1970-04-09T23:08:19Z", "ms": 8550499266.444396 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-09T07:26:11+08:00", "utc": "1970-04-08T23:26:11Z", "ms": 8465171235.752449 }, "end": { "local": "1970-04-10T07:08:19+08:00", "utc": "1970-04-09T23:08:19Z", "ms": 8550499266.444396 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-09", "window": { "start": { "local": "1970-04-09T11:40:45+08:00", "utc": "1970-04-09T03:40:45Z", "ms": 8480444529.093636 }, "end": { "local": "1970-04-09T12:28:45+08:00", "utc": "1970-04-09T04:28:45Z", "ms": 8483324529.093636 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-04-10", "window": { "start": { "local": "1970-04-10T11:40:28+08:00", "utc": "1970-04-10T03:40:28Z", "ms": 8566828094.334484 }, "end": { "local": "1970-04-10T12:28:28+08:00", "utc": "1970-04-10T04:28:28Z", "ms": 8569708094.334484 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 07:26 on Thu 9 Apr to 07:08 on Fri 10 Apr.", "fact": "1970-04-08T23:26:11Z → 1970-04-09T23:08:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 9th, 11:40–12:28 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15273 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Thursday 9 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": "1970-04-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Thursday 9 April. Caturthī runs from 07:26 on Thu 9 Apr to 07:08 on Fri 10 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-04-09", "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/1970/lakshmi-panchami", "festival": "lakshmi-panchami", "name": "Lakṣmī Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 14677, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1970-04-10T07:08:19+08:00", "utc": "1970-04-09T23:08:19Z", "ms": 8550499266.444396 }, "end": { "local": "1970-04-11T07:35:35+08:00", "utc": "1970-04-10T23:35:35Z", "ms": 8638535093.438875 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-10T07:08:19+08:00", "utc": "1970-04-09T23:08:19Z", "ms": 8550499266.444396 }, "end": { "local": "1970-04-11T07:35:35+08:00", "utc": "1970-04-10T23:35:35Z", "ms": 8638535093.438875 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-10", "window": { "start": { "local": "1970-04-10T11:40:28+08:00", "utc": "1970-04-10T03:40:28Z", "ms": 8566828094.334484 }, "end": { "local": "1970-04-10T12:28:28+08:00", "utc": "1970-04-10T04:28:28Z", "ms": 8569708094.334484 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-04-11", "window": { "start": { "local": "1970-04-11T11:40:12+08:00", "utc": "1970-04-11T03:40:12Z", "ms": 8653211907.831375 }, "end": { "local": "1970-04-11T12:28:12+08:00", "utc": "1970-04-11T04:28:12Z", "ms": 8656091907.831375 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 07:08 on Fri 10 Apr to 07:36 on Sat 11 Apr.", "fact": "1970-04-09T23:08:19Z → 1970-04-10T23:35:35Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 10th, 11:40–12:28 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 14677 s" }, { "step": "ruling", "text": "Lakṣmī Pañcamī, Fuzhou, 1970: Friday 10 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "lakshmi-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-04-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pañcamī 1970 falls on Friday 10 April. Pañcamī runs from 07:08 on Fri 10 Apr to 07:36 on Sat 11 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vaishakhi", "festival": "vaishakhi", "name": "Vaiśākhī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8621, "anga": { "type": "sankranti", "index": 0, "key": "mesha", "name": "Meṣa", "start": { "local": "1970-04-14T03:18:01+08:00", "utc": "1970-04-13T19:18:01Z", "ms": 8882280983.733076 }, "end": { "local": "1970-05-15T00:13:46+08:00", "utc": "1970-05-14T16:13:46Z", "ms": 11549625663.866695 } }, "span": { "of": "transit", "start": { "local": "1970-04-14T03:18:01+08:00", "utc": "1970-04-13T19:18:01Z", "ms": 8882280983.733076 }, "end": { "local": "1970-04-14T03:18:01+08:00", "utc": "1970-04-13T19:18:01Z", "ms": 8882280983.733076 } }, "kaala": "day", "days": [ { "local_date": "1970-04-13", "window": { "start": { "local": "1970-04-13T05:42:41+08:00", "utc": "1970-04-12T21:42:41Z", "ms": 8804561115.063442 }, "end": { "local": "1970-04-14T05:41:42+08:00", "utc": "1970-04-13T21:41:42Z", "ms": 8890901661.313673 } }, "covered_min": 1, "window_min": 1439, "qualifies": true }, { "local_date": "1970-04-14", "window": { "start": { "local": "1970-04-14T05:41:42+08:00", "utc": "1970-04-13T21:41:42Z", "ms": 8890901661.313673 }, "end": { "local": "1970-04-15T05:40:43+08:00", "utc": "1970-04-14T21:40:43Z", "ms": 8977242716.652365 } }, "covered_min": 0, "window_min": 1439, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "The Sun enters Meṣa at 03:18 on Tue 14 Apr.", "fact": "1970-04-13T19:18:01Z · 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 8621 s" }, { "step": "ruling", "text": "Vaiśākhī, Fuzhou, 1970: Monday 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": "1970-04-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-13", "confidence": "determinate" }, { "kind": "reckoning", "id": "civil-day", "local_date": "1970-04-14", "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": "1970-04-14", "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 1970 falls on Monday 13 April. The Sun enters Meṣa at 03:18 on Tue 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/1970/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/1970/bhavani-utpatti", "festival": "bhavani-utpatti", "name": "Bhavānī Utpatti", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1694, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-04-13T10:37:04+08:00", "utc": "1970-04-13T02:37:04Z", "ms": 8822224452.350983 }, "end": { "local": "1970-04-14T12:55:39+08:00", "utc": "1970-04-14T04:55:39Z", "ms": 8916938906.316383 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-13T10:37:04+08:00", "utc": "1970-04-13T02:37:04Z", "ms": 8822224452.350983 }, "end": { "local": "1970-04-14T12:55:39+08:00", "utc": "1970-04-14T04:55:39Z", "ms": 8916938906.316383 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-13", "window": { "start": { "local": "1970-04-13T11:39:40+08:00", "utc": "1970-04-13T03:39:40Z", "ms": 8825980340.754097 }, "end": { "local": "1970-04-13T12:27:40+08:00", "utc": "1970-04-13T04:27:40Z", "ms": 8828860340.754097 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-04-14", "window": { "start": { "local": "1970-04-14T11:39:25+08:00", "utc": "1970-04-14T03:39:25Z", "ms": 8912364991.499119 }, "end": { "local": "1970-04-14T12:27:25+08:00", "utc": "1970-04-14T04:27:25Z", "ms": 8915244991.499119 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 10:37 on Mon 13 Apr to 12:56 on Tue 14 Apr.", "fact": "1970-04-13T02:37:04Z → 1970-04-14T04:55:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 13th, 11:39–12:27 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1694 s" }, { "step": "ruling", "text": "Bhavānī Utpatti, Fuzhou, 1970: Tuesday 14 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bhavani-utpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-04-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Bhavānī Utpatti 1970 falls on Tuesday 14 April. Aṣṭamī runs from 10:37 on Mon 13 Apr to 12:56 on Tue 14 Apr and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/rama-navami", "festival": "rama-navami", "name": "Rāma Navamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1694, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1970-04-14T12:55:39+08:00", "utc": "1970-04-14T04:55:39Z", "ms": 8916938906.316383 }, "end": { "local": "1970-04-15T15:29:05+08:00", "utc": "1970-04-15T07:29:05Z", "ms": 9012545447.558132 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-14T12:55:39+08:00", "utc": "1970-04-14T04:55:39Z", "ms": 8916938906.316383 }, "end": { "local": "1970-04-15T15:29:05+08:00", "utc": "1970-04-15T07:29:05Z", "ms": 9012545447.558132 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-14", "window": { "start": { "local": "1970-04-14T11:39:25+08:00", "utc": "1970-04-14T03:39:25Z", "ms": 8912364991.499119 }, "end": { "local": "1970-04-14T12:27:25+08:00", "utc": "1970-04-14T04:27:25Z", "ms": 8915244991.499119 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-04-15", "window": { "start": { "local": "1970-04-15T11:39:10+08:00", "utc": "1970-04-15T03:39:10Z", "ms": 8998749952.96811 }, "end": { "local": "1970-04-15T12:27:10+08:00", "utc": "1970-04-15T04:27:10Z", "ms": 9001629952.96811 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 12:56 on Tue 14 Apr to 15:29 on Wed 15 Apr.", "fact": "1970-04-14T04:55:39Z → 1970-04-15T07:29:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 14th, 11:39–12:27 on the 15th.", "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 14th and 48 of 48 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1694 s" }, { "step": "ruling", "text": "Rāma Navamī, Fuzhou, 1970: Wednesday 15 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rama-navami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti." } ], "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-04-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-15", "confidence": "boundary" } ], "quote": "In Fuzhou, Rāma Navamī 1970 falls on Wednesday 15 April. Navamī runs from 12:56 on Tue 14 Apr to 15:29 on Wed 15 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-04-17", "festival": "ekadashi", "name": "Kāmadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33427, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-04-16T18:02:13+08:00", "utc": "1970-04-16T10:02:13Z", "ms": 9108132945.881992 }, "end": { "local": "1970-04-17T20:20:42+08:00", "utc": "1970-04-17T12:20:42Z", "ms": 9202842024.60914 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-16T18:02:13+08:00", "utc": "1970-04-16T10:02:13Z", "ms": 9108132945.881992 }, "end": { "local": "1970-04-17T20:20:42+08:00", "utc": "1970-04-17T12:20:42Z", "ms": 9202842024.60914 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-04-17", "window": { "start": { "local": "1970-04-17T05:38:46+08:00", "utc": "1970-04-16T21:38:46Z", "ms": 9149926456.070547 }, "end": { "local": "1970-04-17T05:38:46+08:00", "utc": "1970-04-16T21:38:46Z", "ms": 9149926456.070547 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-04-18", "window": { "start": { "local": "1970-04-18T05:37:49+08:00", "utc": "1970-04-17T21:37:49Z", "ms": 9236269191.257767 }, "end": { "local": "1970-04-18T05:37:49+08:00", "utc": "1970-04-17T21:37:49Z", "ms": 9236269191.257767 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:02 on Thu 16 Apr to 20:21 on Fri 17 Apr.", "fact": "1970-04-16T10:02:13Z → 1970-04-17T12:20:42Z" }, { "step": "kaala", "text": "Sunrise is at 05:39 on the 17th and 05:38 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 33427 s" }, { "step": "ruling", "text": "Kāmadā Ekādaśī, Fuzhou, 1970: Friday 17 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": "1970-04-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmadā Ekādaśī 1970 falls on Friday 17 April. Ekādaśī runs from 18:02 on Thu 16 Apr to 20:21 on Fri 17 Apr and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-04-17", "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/1970/ananga-trayodashi", "festival": "ananga-trayodashi", "name": "Anaṅga Trayodaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35201, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-04-18T22:13:08+08:00", "utc": "1970-04-18T14:13:08Z", "ms": 9295988227.280668 }, "end": { "local": "1970-04-19T23:32:11+08:00", "utc": "1970-04-19T15:32:11Z", "ms": 9387131361.046438 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-18T22:13:08+08:00", "utc": "1970-04-18T14:13:08Z", "ms": 9295988227.280668 }, "end": { "local": "1970-04-19T23:32:11+08:00", "utc": "1970-04-19T15:32:11Z", "ms": 9387131361.046438 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-18", "window": { "start": { "local": "1970-04-18T11:38:27+08:00", "utc": "1970-04-18T03:38:27Z", "ms": 9257906862.738102 }, "end": { "local": "1970-04-18T12:26:27+08:00", "utc": "1970-04-18T04:26:27Z", "ms": 9260786862.738102 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-04-19", "window": { "start": { "local": "1970-04-19T11:38:13+08:00", "utc": "1970-04-19T03:38:13Z", "ms": 9344293228.584839 }, "end": { "local": "1970-04-19T12:26:13+08:00", "utc": "1970-04-19T04:26:13Z", "ms": 9347173228.584839 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:13 on Sat 18 Apr to 23:32 on Sun 19 Apr.", "fact": "1970-04-18T14:13:08Z → 1970-04-19T15:32:11Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 18th, 11:38–12:26 on the 19th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35201 s" }, { "step": "ruling", "text": "Anaṅga Trayodaśī, Fuzhou, 1970: Sunday 19 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": "1970-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Anaṅga Trayodaśī 1970 falls on Sunday 19 April. Trayodaśī runs from 22:13 on Sat 18 Apr to 23:32 on Sun 19 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/pradosha-vrata?on=1970-04-19", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8205, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-04-18T22:13:08+08:00", "utc": "1970-04-18T14:13:08Z", "ms": 9295988227.280668 }, "end": { "local": "1970-04-19T23:32:11+08:00", "utc": "1970-04-19T15:32:11Z", "ms": 9387131361.046438 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-18T22:13:08+08:00", "utc": "1970-04-18T14:13:08Z", "ms": 9295988227.280668 }, "end": { "local": "1970-04-19T23:32:11+08:00", "utc": "1970-04-19T15:32:11Z", "ms": 9387131361.046438 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-04-18", "window": { "start": { "local": "1970-04-18T18:27:05+08:00", "utc": "1970-04-18T10:27:05Z", "ms": 9282424534.218435 }, "end": { "local": "1970-04-18T19:56:23+08:00", "utc": "1970-04-18T11:56:23Z", "ms": 9287782934.688679 } }, "covered_min": 0, "window_min": 89, "qualifies": false }, { "local_date": "1970-04-19", "window": { "start": { "local": "1970-04-19T18:27:34+08:00", "utc": "1970-04-19T10:27:34Z", "ms": 9368853919.42442 }, "end": { "local": "1970-04-19T19:56:41+08:00", "utc": "1970-04-19T11:56:41Z", "ms": 9374200933.028793 } }, "covered_min": 89, "window_min": 89, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:13 on Sat 18 Apr to 23:32 on Sun 19 Apr.", "fact": "1970-04-18T14:13:08Z → 1970-04-19T15:32:11Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:56 on the 18th, 18:28–19:57 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 18th and 89 of 89 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8205 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Sunday 19 April.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-04-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Sunday 19 April. Trayodaśī runs from 22:13 on Sat 18 Apr to 23:32 on Sun 19 Apr and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-04-19", "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/1970/vishnu-damanaka-chaturdashi", "festival": "vishnu-damanaka-chaturdashi", "name": "Viṣṇudamanaka Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39958, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-04-19T23:32:11+08:00", "utc": "1970-04-19T15:32:11Z", "ms": 9387131361.046438 }, "end": { "local": "1970-04-21T00:14:44+08:00", "utc": "1970-04-20T16:14:44Z", "ms": 9476084456.807112 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-19T23:32:11+08:00", "utc": "1970-04-19T15:32:11Z", "ms": 9387131361.046438 }, "end": { "local": "1970-04-21T00:14:44+08:00", "utc": "1970-04-20T16:14:44Z", "ms": 9476084456.807112 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-19", "window": { "start": { "local": "1970-04-19T11:38:13+08:00", "utc": "1970-04-19T03:38:13Z", "ms": 9344293228.584839 }, "end": { "local": "1970-04-19T12:26:13+08:00", "utc": "1970-04-19T04:26:13Z", "ms": 9347173228.584839 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-04-20", "window": { "start": { "local": "1970-04-20T11:38:00+08:00", "utc": "1970-04-20T03:38:00Z", "ms": 9430679986.362804 }, "end": { "local": "1970-04-20T12:26:00+08:00", "utc": "1970-04-20T04:26:00Z", "ms": 9433559986.362804 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 23:32 on Sun 19 Apr to 00:15 on Tue 21 Apr.", "fact": "1970-04-19T15:32:11Z → 1970-04-20T16:14:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 19th, 11:38–12:26 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 39958 s" }, { "step": "ruling", "text": "Viṣṇudamanaka Caturdaśī, Fuzhou, 1970: Monday 20 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": "1970-04-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Viṣṇudamanaka Caturdaśī 1970 falls on Monday 20 April. Caturdaśī runs from 23:32 on Sun 19 Apr to 00:15 on Tue 21 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/chaitri-purnima", "festival": "chaitri-purnima", "name": "Caitrī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 40577, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-04-21T00:14:44+08:00", "utc": "1970-04-20T16:14:44Z", "ms": 9476084456.807112 }, "end": { "local": "1970-04-22T00:21:17+08:00", "utc": "1970-04-21T16:21:17Z", "ms": 9562877470.37245 }, "month": { "amanta": 0, "purnimanta": 0, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Caitra" } }, "span": { "of": "tithi", "start": { "local": "1970-04-21T00:14:44+08:00", "utc": "1970-04-20T16:14:44Z", "ms": 9476084456.807112 }, "end": { "local": "1970-04-22T00:21:17+08:00", "utc": "1970-04-21T16:21:17Z", "ms": 9562877470.37245 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-04-21", "window": { "start": { "local": "1970-04-21T11:37:47+08:00", "utc": "1970-04-21T03:37:47Z", "ms": 9517067152.556288 }, "end": { "local": "1970-04-21T12:25:47+08:00", "utc": "1970-04-21T04:25:47Z", "ms": 9519947152.556288 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-04-22", "window": { "start": { "local": "1970-04-22T11:37:35+08:00", "utc": "1970-04-22T03:37:35Z", "ms": 9603454743.617981 }, "end": { "local": "1970-04-22T12:25:35+08:00", "utc": "1970-04-22T04:25:35Z", "ms": 9606334743.617981 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 00:15 on Tue 21 Apr to 00:21 on Wed 22 Apr.", "fact": "1970-04-20T16:14:44Z → 1970-04-21T16:21:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 21st, 11:38–12:26 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 40577 s" }, { "step": "ruling", "text": "Caitrī Pūrṇimā, Fuzhou, 1970: Tuesday 21 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": "1970-04-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Caitrī Pūrṇimā 1970 falls on Tuesday 21 April. Pūrṇimā runs from 00:15 on Tue 21 Apr to 00:21 on Wed 22 Apr and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-04-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-04-24", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 1204, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-04-24T21:43:13+08:00", "utc": "1970-04-24T13:43:13Z", "ms": 9812593363.847275 }, "end": { "local": "1970-04-25T20:08:26+08:00", "utc": "1970-04-25T12:08:26Z", "ms": 9893305871.847591 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-04-24T21:43:13+08:00", "utc": "1970-04-24T13:43:13Z", "ms": 9812593363.847275 }, "end": { "local": "1970-04-25T20:08:26+08:00", "utc": "1970-04-25T12:08:26Z", "ms": 9893305871.847591 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-04-24", "window": { "start": { "local": "1970-04-24T21:23:09+08:00", "utc": "1970-04-24T13:23:09Z", "ms": 9811388876.344473 }, "end": { "local": "1970-04-24T21:23:09+08:00", "utc": "1970-04-24T13:23:09Z", "ms": 9811388876.344473 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-04-25", "window": { "start": { "local": "1970-04-25T22:27:11+08:00", "utc": "1970-04-25T14:27:11Z", "ms": 9901630649.524141 }, "end": { "local": "1970-04-25T22:27:11+08:00", "utc": "1970-04-25T14:27:11Z", "ms": 9901630649.524141 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:43 on Fri 24 Apr to 20:08 on Sat 25 Apr.", "fact": "1970-04-24T13:43:13Z → 1970-04-25T12:08:26Z" }, { "step": "kaala", "text": "Moonrise is at 21:23 on the 24th and 22:27 on the 25th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 24th and is not on the 25th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither moonrise qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 1204 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Friday 24 April.", "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": "1970-04-24", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-04-24", "confidence": "boundary" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Friday 24 April. Caturthī runs from 21:43 on Fri 24 Apr to 20:08 on Sat 25 Apr, and is current at moonrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-04-24", "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/1970/ekadashi?on=1970-05-02", "festival": "ekadashi", "name": "Varūthinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1282, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-05-01T07:55:14+08:00", "utc": "1970-04-30T23:55:14Z", "ms": 10367714417.88941 }, "end": { "local": "1970-05-02T05:47:05+08:00", "utc": "1970-05-01T21:47:05Z", "ms": 10446425012.295513 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-01T07:55:14+08:00", "utc": "1970-04-30T23:55:14Z", "ms": 10367714417.88941 }, "end": { "local": "1970-05-02T05:47:05+08:00", "utc": "1970-05-01T21:47:05Z", "ms": 10446425012.295513 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-05-01", "window": { "start": { "local": "1970-05-01T05:26:30+08:00", "utc": "1970-04-30T21:26:30Z", "ms": 10358789851.239874 }, "end": { "local": "1970-05-01T05:26:30+08:00", "utc": "1970-04-30T21:26:30Z", "ms": 10358789851.239874 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-05-02", "window": { "start": { "local": "1970-05-02T05:25:43+08:00", "utc": "1970-05-01T21:25:43Z", "ms": 10445143488.661716 }, "end": { "local": "1970-05-02T05:25:43+08:00", "utc": "1970-05-01T21:25:43Z", "ms": 10445143488.661716 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 07:55 on Fri 1 May to 05:47 on Sat 2 May.", "fact": "1970-04-30T23:55:14Z → 1970-05-01T21:47:05Z" }, { "step": "kaala", "text": "Sunrise is at 05:26 on the 1st and 05:26 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 1282 s" }, { "step": "ruling", "text": "Varūthinī Ekādaśī, Fuzhou, 1970: Saturday 2 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-05-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Varūthinī Ekādaśī 1970 falls on Saturday 2 May. Ekādaśī runs from 07:55 on Fri 1 May to 05:47 on Sat 2 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-05-02", "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/1970/pradosha-vrata?on=1970-05-03", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20900, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-05-03T03:43:48+08:00", "utc": "1970-05-02T19:43:48Z", "ms": 10525427716.43101 }, "end": { "local": "1970-05-04T01:49:38+08:00", "utc": "1970-05-03T17:49:38Z", "ms": 10604978425.461458 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-03T03:43:48+08:00", "utc": "1970-05-02T19:43:48Z", "ms": 10525427716.43101 }, "end": { "local": "1970-05-04T01:49:38+08:00", "utc": "1970-05-03T17:49:38Z", "ms": 10604978425.461458 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-05-02", "window": { "start": { "local": "1970-05-02T18:34:11+08:00", "utc": "1970-05-02T10:34:11Z", "ms": 10492451029.516048 }, "end": { "local": "1970-05-02T20:00:57+08:00", "utc": "1970-05-02T12:00:57Z", "ms": 10497657303.09027 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1970-05-03", "window": { "start": { "local": "1970-05-03T18:34:43+08:00", "utc": "1970-05-03T10:34:43Z", "ms": 10578882754.646646 }, "end": { "local": "1970-05-03T20:01:19+08:00", "utc": "1970-05-03T12:01:19Z", "ms": 10584078873.619448 } }, "covered_min": 87, "window_min": 87, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 03:44 on Sun 3 May to 01:50 on Mon 4 May.", "fact": "1970-05-02T19:43:48Z → 1970-05-03T17:49:38Z" }, { "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 0 of 87 minutes on the 2nd and 87 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 20900 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Sunday 3 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": "1970-05-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Sunday 3 May. Trayodaśī runs from 03:44 on Sun 3 May to 01:50 on Mon 4 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-05-03", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/shivaratri?on=1970-05-04", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 805, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-05-04T01:49:38+08:00", "utc": "1970-05-03T17:49:38Z", "ms": 10604978425.461458 }, "end": { "local": "1970-05-05T00:09:57+08:00", "utc": "1970-05-04T16:09:57Z", "ms": 10685397454.914557 }, "month": { "amanta": 0, "purnimanta": 1, "adhika": false, "amanta_name": "Caitra", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-04T01:49:38+08:00", "utc": "1970-05-03T17:49:38Z", "ms": 10604978425.461458 }, "end": { "local": "1970-05-05T00:09:57+08:00", "utc": "1970-05-04T16:09:57Z", "ms": 10685397454.914557 } }, "kaala": "nishita", "days": [ { "local_date": "1970-05-03", "window": { "start": { "local": "1970-05-03T23:35:28+08:00", "utc": "1970-05-03T15:35:28Z", "ms": 10596928200.794651 }, "end": { "local": "1970-05-04T00:23:28+08:00", "utc": "1970-05-03T16:23:28Z", "ms": 10599808200.794651 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-05-04", "window": { "start": { "local": "1970-05-04T23:35:22+08:00", "utc": "1970-05-04T15:35:22Z", "ms": 10683322408.899475 }, "end": { "local": "1970-05-05T00:23:22+08:00", "utc": "1970-05-04T16:23:22Z", "ms": 10686202408.899475 } }, "covered_min": 35, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 01:50 on Mon 4 May to 00:10 on Tue 5 May.", "fact": "1970-05-03T17:49:38Z → 1970-05-04T16:09:57Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:35–00:23 on the 3rd, 23:35–00:23 on the 4th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 35 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 805 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Monday 4 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": "1970-05-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Monday 4 May. Caturdaśī runs from 01:50 on Mon 4 May to 00:10 on Tue 5 May and covers 35 of 48 minutes of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-05-04", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/akshaya-tritiya", "festival": "akshaya-tritiya", "name": "Akṣaya Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26502, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1970-05-07T21:40:09+08:00", "utc": "1970-05-07T13:40:09Z", "ms": 10935609285.74976 }, "end": { "local": "1970-05-08T21:59:05+08:00", "utc": "1970-05-08T13:59:05Z", "ms": 11023144901.70343 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-07T21:40:09+08:00", "utc": "1970-05-07T13:40:09Z", "ms": 10935609285.74976 }, "end": { "local": "1970-05-08T21:59:05+08:00", "utc": "1970-05-08T13:59:05Z", "ms": 11023144901.70343 } }, "kaala": "purvahna", "days": [ { "local_date": "1970-05-08", "window": { "start": { "local": "1970-05-08T05:21:26+08:00", "utc": "1970-05-07T21:21:26Z", "ms": 10963285958.065823 }, "end": { "local": "1970-05-08T09:46:45+08:00", "utc": "1970-05-08T01:46:45Z", "ms": 10979205017.689823 } }, "covered_min": 265, "window_min": 265, "qualifies": true }, { "local_date": "1970-05-09", "window": { "start": { "local": "1970-05-09T05:20:47+08:00", "utc": "1970-05-08T21:20:47Z", "ms": 11049646623.370335 }, "end": { "local": "1970-05-09T09:46:30+08:00", "utc": "1970-05-09T01:46:30Z", "ms": 11065589568.510666 } }, "covered_min": 0, "window_min": 266, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:40 on Thu 7 May to 21:59 on Fri 8 May.", "fact": "1970-05-07T13:40:09Z → 1970-05-08T13:59:05Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:21–09:47 on the 8th, 05:21–09:46 on the 9th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 265 of 265 minutes on the 8th and 0 of 266 on the 9th.", "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 26502 s" }, { "step": "ruling", "text": "Akṣaya Tṛtīyā, Fuzhou, 1970: Friday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "akshaya-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.", "kaala": "purvahna", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Tṛtīyā 1970 falls on Friday 8 May. Tṛtīyā runs from 21:40 on Thu 7 May to 21:59 on Fri 8 May and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/parashurama-jayanti", "festival": "parashurama-jayanti", "name": "Paraśurāma Jayantī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5842, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1970-05-07T21:40:09+08:00", "utc": "1970-05-07T13:40:09Z", "ms": 10935609285.74976 }, "end": { "local": "1970-05-08T21:59:05+08:00", "utc": "1970-05-08T13:59:05Z", "ms": 11023144901.70343 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-07T21:40:09+08:00", "utc": "1970-05-07T13:40:09Z", "ms": 10935609285.74976 }, "end": { "local": "1970-05-08T21:59:05+08:00", "utc": "1970-05-08T13:59:05Z", "ms": 11023144901.70343 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-05-07", "window": { "start": { "local": "1970-05-07T18:36:51+08:00", "utc": "1970-05-07T10:36:51Z", "ms": 10924610875.695133 }, "end": { "local": "1970-05-07T20:02:48+08:00", "utc": "1970-05-07T12:02:48Z", "ms": 10929767553.344559 } }, "covered_min": 0, "window_min": 86, "qualifies": false }, { "local_date": "1970-05-08", "window": { "start": { "local": "1970-05-08T18:37:23+08:00", "utc": "1970-05-08T10:37:23Z", "ms": 11011043136.937826 }, "end": { "local": "1970-05-08T20:03:10+08:00", "utc": "1970-05-08T12:03:10Z", "ms": 11016190268.46216 } }, "covered_min": 86, "window_min": 86, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 21:40 on Thu 7 May to 21:59 on Fri 8 May.", "fact": "1970-05-07T13:40:09Z → 1970-05-08T13:59:05Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–20:03 on the 7th, 18:37–20:03 on the 8th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 86 minutes on the 7th and 86 of 86 on the 8th.", "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 5842 s" }, { "step": "ruling", "text": "Paraśurāma Jayantī, Fuzhou, 1970: Friday 8 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "parashurama-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)." } ], "kaala": "pradosha", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-05-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Paraśurāma Jayantī 1970 falls on Friday 8 May. Tṛtīyā runs from 21:40 on Thu 7 May to 21:59 on Fri 8 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vinayaka-chaturthi?on=1970-05-09", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34540, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-05-08T21:59:05+08:00", "utc": "1970-05-08T13:59:05Z", "ms": 11023144901.70343 }, "end": { "local": "1970-05-09T22:57:41+08:00", "utc": "1970-05-09T14:57:41Z", "ms": 11113061017.621765 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-08T21:59:05+08:00", "utc": "1970-05-08T13:59:05Z", "ms": 11023144901.70343 }, "end": { "local": "1970-05-09T22:57:41+08:00", "utc": "1970-05-09T14:57:41Z", "ms": 11113061017.621765 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-05-08", "window": { "start": { "local": "1970-05-08T11:35:25+08:00", "utc": "1970-05-08T03:35:25Z", "ms": 10985724547.501823 }, "end": { "local": "1970-05-08T12:23:25+08:00", "utc": "1970-05-08T04:23:25Z", "ms": 10988604547.501823 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-05-09", "window": { "start": { "local": "1970-05-09T11:35:21+08:00", "utc": "1970-05-09T03:35:21Z", "ms": 11072121041.080832 }, "end": { "local": "1970-05-09T12:23:21+08:00", "utc": "1970-05-09T04:23:21Z", "ms": 11075001041.080832 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:59 on Fri 8 May to 22:58 on Sat 9 May.", "fact": "1970-05-08T13:59:05Z → 1970-05-09T14:57:41Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 8th, 11:35–12:23 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 34540 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Saturday 9 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": "1970-05-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Saturday 9 May. Caturthī runs from 21:59 on Fri 8 May to 22:58 on Sat 9 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-05-09", "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/1970/shankara-jayanti", "festival": "shankara-jayanti", "name": "Śaṅkara Jayantī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 38060, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1970-05-09T22:57:41+08:00", "utc": "1970-05-09T14:57:41Z", "ms": 11113061017.621765 }, "end": { "local": "1970-05-11T00:34:04+08:00", "utc": "1970-05-10T16:34:04Z", "ms": 11205244186.980669 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-09T22:57:41+08:00", "utc": "1970-05-09T14:57:41Z", "ms": 11113061017.621765 }, "end": { "local": "1970-05-11T00:34:04+08:00", "utc": "1970-05-10T16:34:04Z", "ms": 11205244186.980669 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-05-09", "window": { "start": { "local": "1970-05-09T11:35:21+08:00", "utc": "1970-05-09T03:35:21Z", "ms": 11072121041.080832 }, "end": { "local": "1970-05-09T12:23:21+08:00", "utc": "1970-05-09T04:23:21Z", "ms": 11075001041.080832 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-05-10", "window": { "start": { "local": "1970-05-10T11:35:18+08:00", "utc": "1970-05-10T03:35:18Z", "ms": 11158518089.104214 }, "end": { "local": "1970-05-10T12:23:18+08:00", "utc": "1970-05-10T04:23:18Z", "ms": 11161398089.104214 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 22:58 on Sat 9 May to 00:34 on Mon 11 May.", "fact": "1970-05-09T14:57:41Z → 1970-05-10T16:34:04Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 9th, 11:35–12:23 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 38060 s" }, { "step": "ruling", "text": "Śaṅkara Jayantī, Fuzhou, 1970: Sunday 10 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shankara-jayanti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Sankara jayanti." } ], "kaala": "madhyahna", "priority": "unstated", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-05-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Śaṅkara Jayantī 1970 falls on Sunday 10 May. Pañcamī runs from 22:58 on Sat 9 May to 00:34 on Mon 11 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/gangotpatti", "festival": "gangotpatti", "name": "Gaṅgotpatti", "everyday": "Ganga Saptami", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23156, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1970-05-12T02:41:41+08:00", "utc": "1970-05-11T18:41:41Z", "ms": 11299300899.029612 }, "end": { "local": "1970-05-13T05:09:17+08:00", "utc": "1970-05-12T21:09:17Z", "ms": 11394556856.11313 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-12T02:41:41+08:00", "utc": "1970-05-11T18:41:41Z", "ms": 11299300899.029612 }, "end": { "local": "1970-05-13T05:09:17+08:00", "utc": "1970-05-12T21:09:17Z", "ms": 11394556856.11313 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-05-12", "window": { "start": { "local": "1970-05-12T11:35:14+08:00", "utc": "1970-05-12T03:35:14Z", "ms": 11331313844.884495 }, "end": { "local": "1970-05-12T12:23:14+08:00", "utc": "1970-05-12T04:23:14Z", "ms": 11334193844.884495 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-05-13", "window": { "start": { "local": "1970-05-13T11:35:13+08:00", "utc": "1970-05-13T03:35:13Z", "ms": 11417712550.482082 }, "end": { "local": "1970-05-13T12:23:13+08:00", "utc": "1970-05-13T04:23:13Z", "ms": 11420592550.482082 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:42 on Tue 12 May to 05:09 on Wed 13 May.", "fact": "1970-05-11T18:41:41Z → 1970-05-12T21:09:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 12th, 11:35–12:23 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 23156 s" }, { "step": "ruling", "text": "Gaṅgotpatti, Fuzhou, 1970: Tuesday 12 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "gangotpatti", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-05-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṅgotpatti (Ganga Saptami) 1970 falls on Tuesday 12 May. Saptamī runs from 02:42 on Tue 12 May to 05:09 on Wed 13 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-05-17", "festival": "ekadashi", "name": "Mohinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24227, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-05-16T12:00:28+08:00", "utc": "1970-05-16T04:00:28Z", "ms": 11678428407.500189 }, "end": { "local": "1970-05-17T13:20:17+08:00", "utc": "1970-05-17T05:20:17Z", "ms": 11769617082.795431 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-16T12:00:28+08:00", "utc": "1970-05-16T04:00:28Z", "ms": 11678428407.500189 }, "end": { "local": "1970-05-17T13:20:17+08:00", "utc": "1970-05-17T05:20:17Z", "ms": 11769617082.795431 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-05-16", "window": { "start": { "local": "1970-05-16T05:16:42+08:00", "utc": "1970-05-15T21:16:42Z", "ms": 11654201904.082983 }, "end": { "local": "1970-05-16T05:16:42+08:00", "utc": "1970-05-15T21:16:42Z", "ms": 11654201904.082983 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-05-17", "window": { "start": { "local": "1970-05-17T05:16:11+08:00", "utc": "1970-05-16T21:16:11Z", "ms": 11740571488.66955 }, "end": { "local": "1970-05-17T05:16:11+08:00", "utc": "1970-05-16T21:16:11Z", "ms": 11740571488.66955 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 12:00 on Sat 16 May to 13:20 on Sun 17 May.", "fact": "1970-05-16T04:00:28Z → 1970-05-17T05:20:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:17 on the 16th and 05:16 on the 17th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 24227 s" }, { "step": "ruling", "text": "Mohinī Ekādaśī, Fuzhou, 1970: Sunday 17 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-05-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Mohinī Ekādaśī 1970 falls on Sunday 17 May. Ekādaśī runs from 12:00 on Sat 16 May to 13:20 on Sun 17 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-05-17", "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/1970/parashurama-dvadashi", "festival": "parashurama-dvadashi", "name": "Paraśurāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3424, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1970-05-17T13:20:17+08:00", "utc": "1970-05-17T05:20:17Z", "ms": 11769617082.795431 }, "end": { "local": "1970-05-18T13:57:17+08:00", "utc": "1970-05-18T05:57:17Z", "ms": 11858237391.240086 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-17T13:20:17+08:00", "utc": "1970-05-17T05:20:17Z", "ms": 11769617082.795431 }, "end": { "local": "1970-05-18T13:57:17+08:00", "utc": "1970-05-18T05:57:17Z", "ms": 11858237391.240086 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-05-17", "window": { "start": { "local": "1970-05-17T11:35:13+08:00", "utc": "1970-05-17T03:35:13Z", "ms": 11763312855.918571 }, "end": { "local": "1970-05-17T12:23:13+08:00", "utc": "1970-05-17T04:23:13Z", "ms": 11766192855.918571 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-05-18", "window": { "start": { "local": "1970-05-18T11:35:14+08:00", "utc": "1970-05-18T03:35:14Z", "ms": 11849714293.476109 }, "end": { "local": "1970-05-18T12:23:14+08:00", "utc": "1970-05-18T04:23:14Z", "ms": 11852594293.476109 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:20 on Sun 17 May to 13:57 on Mon 18 May.", "fact": "1970-05-17T05:20:17Z → 1970-05-18T05:57:17Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3424 s" }, { "step": "ruling", "text": "Paraśurāma Dvādaśī, Fuzhou, 1970: Monday 18 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": "1970-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-18", "confidence": "boundary" } ], "quote": "In Fuzhou, Paraśurāma Dvādaśī 1970 falls on Monday 18 May. Dvādaśī runs from 13:20 on Sun 17 May to 13:57 on Mon 18 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/rukmini-dvadashi", "festival": "rukmini-dvadashi", "name": "Rukmiṇī Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3424, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1970-05-17T13:20:17+08:00", "utc": "1970-05-17T05:20:17Z", "ms": 11769617082.795431 }, "end": { "local": "1970-05-18T13:57:17+08:00", "utc": "1970-05-18T05:57:17Z", "ms": 11858237391.240086 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-17T13:20:17+08:00", "utc": "1970-05-17T05:20:17Z", "ms": 11769617082.795431 }, "end": { "local": "1970-05-18T13:57:17+08:00", "utc": "1970-05-18T05:57:17Z", "ms": 11858237391.240086 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-05-17", "window": { "start": { "local": "1970-05-17T11:35:13+08:00", "utc": "1970-05-17T03:35:13Z", "ms": 11763312855.918571 }, "end": { "local": "1970-05-17T12:23:13+08:00", "utc": "1970-05-17T04:23:13Z", "ms": 11766192855.918571 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-05-18", "window": { "start": { "local": "1970-05-18T11:35:14+08:00", "utc": "1970-05-18T03:35:14Z", "ms": 11849714293.476109 }, "end": { "local": "1970-05-18T12:23:14+08:00", "utc": "1970-05-18T04:23:14Z", "ms": 11852594293.476109 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 13:20 on Sun 17 May to 13:57 on Mon 18 May.", "fact": "1970-05-17T05:20:17Z → 1970-05-18T05:57:17Z" }, { "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": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 3424 s" }, { "step": "ruling", "text": "Rukmiṇī Dvādaśī, Fuzhou, 1970: Monday 18 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": "1970-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-18", "confidence": "boundary" } ], "quote": "In Fuzhou, Rukmiṇī Dvādaśī 1970 falls on Monday 18 May. Dvādaśī runs from 13:20 on Sun 17 May to 13:57 on Mon 18 May and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/pradosha-vrata?on=1970-05-18", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17129, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-05-18T13:57:17+08:00", "utc": "1970-05-18T05:57:17Z", "ms": 11858237391.240086 }, "end": { "local": "1970-05-19T13:50:10+08:00", "utc": "1970-05-19T05:50:10Z", "ms": 11944210273.518803 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-18T13:57:17+08:00", "utc": "1970-05-18T05:57:17Z", "ms": 11858237391.240086 }, "end": { "local": "1970-05-19T13:50:10+08:00", "utc": "1970-05-19T05:50:10Z", "ms": 11944210273.518803 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-05-18", "window": { "start": { "local": "1970-05-18T18:42:46+08:00", "utc": "1970-05-18T10:42:46Z", "ms": 11875366337.22927 }, "end": { "local": "1970-05-18T20:07:06+08:00", "utc": "1970-05-18T12:07:06Z", "ms": 11880426052.26239 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1970-05-19", "window": { "start": { "local": "1970-05-19T18:43:18+08:00", "utc": "1970-05-19T10:43:18Z", "ms": 11961798342.409966 }, "end": { "local": "1970-05-19T20:07:30+08:00", "utc": "1970-05-19T12:07:30Z", "ms": 11966850210.34329 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:57 on Mon 18 May to 13:50 on Tue 19 May.", "fact": "1970-05-18T05:57:17Z → 1970-05-19T05:50:10Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:07 on the 18th, 18:43–20:08 on the 19th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 18th and 0 of 84 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17129 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Monday 18 May.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-05-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Monday 18 May. Trayodaśī runs from 13:57 on Mon 18 May to 13:50 on Tue 19 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-05-18", "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/1970/nrisimha-chaturdashi", "festival": "nrisimha-chaturdashi", "name": "Nṛsiṃha Caturdaśī", "everyday": "Narasimha Jayanti", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17588, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-05-19T13:50:10+08:00", "utc": "1970-05-19T05:50:10Z", "ms": 11944210273.518803 }, "end": { "local": "1970-05-20T13:01:42+08:00", "utc": "1970-05-20T05:01:42Z", "ms": 12027702124.09477 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-19T13:50:10+08:00", "utc": "1970-05-19T05:50:10Z", "ms": 11944210273.518803 }, "end": { "local": "1970-05-20T13:01:42+08:00", "utc": "1970-05-20T05:01:42Z", "ms": 12027702124.09477 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-05-19", "window": { "start": { "local": "1970-05-19T18:43:18+08:00", "utc": "1970-05-19T10:43:18Z", "ms": 11961798342.409966 }, "end": { "local": "1970-05-19T20:07:30+08:00", "utc": "1970-05-19T12:07:30Z", "ms": 11966850210.34329 } }, "covered_min": 84, "window_min": 84, "qualifies": true }, { "local_date": "1970-05-20", "window": { "start": { "local": "1970-05-20T18:43:50+08:00", "utc": "1970-05-20T10:43:50Z", "ms": 12048230221.55078 }, "end": { "local": "1970-05-20T20:07:54+08:00", "utc": "1970-05-20T12:07:54Z", "ms": 12053274421.042265 } }, "covered_min": 0, "window_min": 84, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 13:50 on Tue 19 May to 13:02 on Wed 20 May.", "fact": "1970-05-19T05:50:10Z → 1970-05-20T05:01:42Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:08 on the 19th, 18:44–20:08 on the 20th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 19th and 0 of 84 on the 20th.", "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 17588 s" }, { "step": "ruling", "text": "Nṛsiṃha Caturdaśī, Fuzhou, 1970: Tuesday 19 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": "1970-05-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1970 falls on Tuesday 19 May. Caturdaśī runs from 13:50 on Tue 19 May to 13:02 on Wed 20 May and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/buddha-purnima", "festival": "buddha-purnima", "name": "Buddha Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-21", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 133, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-05-20T13:01:42+08:00", "utc": "1970-05-20T05:01:42Z", "ms": 12027702124.09477 }, "end": { "local": "1970-05-21T11:37:34+08:00", "utc": "1970-05-21T03:37:34Z", "ms": 12109054412.9972 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-20T13:01:42+08:00", "utc": "1970-05-20T05:01:42Z", "ms": 12027702124.09477 }, "end": { "local": "1970-05-21T11:37:34+08:00", "utc": "1970-05-21T03:37:34Z", "ms": 12109054412.9972 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-05-20", "window": { "start": { "local": "1970-05-20T11:35:19+08:00", "utc": "1970-05-20T03:35:19Z", "ms": 12022518786.730341 }, "end": { "local": "1970-05-20T12:23:19+08:00", "utc": "1970-05-20T04:23:19Z", "ms": 12025398786.730341 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-05-21", "window": { "start": { "local": "1970-05-21T11:35:22+08:00", "utc": "1970-05-21T03:35:22Z", "ms": 12108921837.560192 }, "end": { "local": "1970-05-21T12:23:22+08:00", "utc": "1970-05-21T04:23:22Z", "ms": 12111801837.560192 } }, "covered_min": 2, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:02 on Wed 20 May to 11:38 on Thu 21 May.", "fact": "1970-05-20T05:01:42Z → 1970-05-21T03:37:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 20th, 11:35–12:23 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 2 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: unstated → only-day · margin 133 s < 300 s" }, { "step": "ruling", "text": "Buddha Pūrṇimā, Fuzhou, 1970: Thursday 21 May.", "fact": "confidence: boundary (margin)" } ], "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": "1970-05-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-21", "confidence": "boundary" } ], "quote": "In Fuzhou, Buddha Pūrṇimā 1970 falls on Thursday 21 May. Pūrṇimā runs from 13:02 on Wed 20 May to 11:38 on Thu 21 May and covers 2 of 48 minutes of madhyāhna that midday. It is 2 min 13 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sampat-gauri-vrata", "festival": "sampat-gauri-vrata", "name": "Sampat Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-21", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 133, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-05-20T13:01:42+08:00", "utc": "1970-05-20T05:01:42Z", "ms": 12027702124.09477 }, "end": { "local": "1970-05-21T11:37:34+08:00", "utc": "1970-05-21T03:37:34Z", "ms": 12109054412.9972 }, "month": { "amanta": 1, "purnimanta": 1, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Vaiśākha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-20T13:01:42+08:00", "utc": "1970-05-20T05:01:42Z", "ms": 12027702124.09477 }, "end": { "local": "1970-05-21T11:37:34+08:00", "utc": "1970-05-21T03:37:34Z", "ms": 12109054412.9972 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-05-20", "window": { "start": { "local": "1970-05-20T11:35:19+08:00", "utc": "1970-05-20T03:35:19Z", "ms": 12022518786.730341 }, "end": { "local": "1970-05-20T12:23:19+08:00", "utc": "1970-05-20T04:23:19Z", "ms": 12025398786.730341 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-05-21", "window": { "start": { "local": "1970-05-21T11:35:22+08:00", "utc": "1970-05-21T03:35:22Z", "ms": 12108921837.560192 }, "end": { "local": "1970-05-21T12:23:22+08:00", "utc": "1970-05-21T04:23:22Z", "ms": 12111801837.560192 } }, "covered_min": 2, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 13:02 on Wed 20 May to 11:38 on Thu 21 May.", "fact": "1970-05-20T05:01:42Z → 1970-05-21T03:37:34Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 20th, 11:35–12:23 on the 21st.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 2 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 133 s < 300 s" }, { "step": "ruling", "text": "Sampat Gaurī Vrata, Fuzhou, 1970: Thursday 21 May.", "fact": "confidence: boundary (margin)" } ], "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": "1970-05-21", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Sampat Gaurī Vrata 1970 falls on Thursday 21 May. Pūrṇimā runs from 13:02 on Wed 20 May to 11:38 on Thu 21 May and covers 2 of 48 minutes of madhyāhna that midday. It is 2 min 13 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-05-24", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15761, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-05-24T05:08:02+08:00", "utc": "1970-05-23T21:08:02Z", "ms": 12344882182.955925 }, "end": { "local": "1970-05-25T02:38:29+08:00", "utc": "1970-05-24T18:38:29Z", "ms": 12422308792.716934 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-24T05:08:02+08:00", "utc": "1970-05-23T21:08:02Z", "ms": 12344882182.955925 }, "end": { "local": "1970-05-25T02:38:29+08:00", "utc": "1970-05-24T18:38:29Z", "ms": 12422308792.716934 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-05-23", "window": { "start": { "local": "1970-05-23T21:18:44+08:00", "utc": "1970-05-23T13:18:44Z", "ms": 12316724030.053326 }, "end": { "local": "1970-05-23T21:18:44+08:00", "utc": "1970-05-23T13:18:44Z", "ms": 12316724030.053326 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-05-24", "window": { "start": { "local": "1970-05-24T22:15:48+08:00", "utc": "1970-05-24T14:15:48Z", "ms": 12406548023.753822 }, "end": { "local": "1970-05-24T22:15:48+08:00", "utc": "1970-05-24T14:15:48Z", "ms": 12406548023.753822 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:08 on Sun 24 May to 02:38 on Mon 25 May.", "fact": "1970-05-23T21:08:02Z → 1970-05-24T18:38:29Z" }, { "step": "kaala", "text": "Moonrise is at 21:19 on the 23rd and 22:16 on the 24th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 15761 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Sunday 24 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": "1970-05-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Sunday 24 May. Caturthī runs from 05:08 on Sun 24 May to 02:38 on Mon 25 May and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-05-24", "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/1970/ekadashi?on=1970-05-31", "festival": "ekadashi", "name": "Aparā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-05-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27065, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-05-30T14:05:05+08:00", "utc": "1970-05-30T06:05:05Z", "ms": 12895504523.554535 }, "end": { "local": "1970-05-31T12:42:20+08:00", "utc": "1970-05-31T04:42:20Z", "ms": 12976939814.764793 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-05-30T14:05:05+08:00", "utc": "1970-05-30T06:05:05Z", "ms": 12895504523.554535 }, "end": { "local": "1970-05-31T12:42:20+08:00", "utc": "1970-05-31T04:42:20Z", "ms": 12976939814.764793 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-05-30", "window": { "start": { "local": "1970-05-30T05:11:27+08:00", "utc": "1970-05-29T21:11:27Z", "ms": 12863487389.177736 }, "end": { "local": "1970-05-30T05:11:27+08:00", "utc": "1970-05-29T21:11:27Z", "ms": 12863487389.177736 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-05-31", "window": { "start": { "local": "1970-05-31T05:11:14+08:00", "utc": "1970-05-30T21:11:14Z", "ms": 12949874412.652565 }, "end": { "local": "1970-05-31T05:11:14+08:00", "utc": "1970-05-30T21:11:14Z", "ms": 12949874412.652565 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 14:05 on Sat 30 May to 12:42 on Sun 31 May.", "fact": "1970-05-30T06:05:05Z → 1970-05-31T04:42:20Z" }, { "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 not on the 30th and is 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 27065 s" }, { "step": "ruling", "text": "Aparā Ekādaśī, Fuzhou, 1970: Sunday 31 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": "1970-05-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-05-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Aparā Ekādaśī 1970 falls on Sunday 31 May. Ekādaśī runs from 14:05 on Sat 30 May to 12:42 on Sun 31 May and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-05-31", "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/1970/pradosha-vrata?on=1970-06-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26065, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-06-01T11:35:31+08:00", "utc": "1970-06-01T03:35:31Z", "ms": 13059330726.489456 }, "end": { "local": "1970-06-02T10:47:18+08:00", "utc": "1970-06-02T02:47:18Z", "ms": 13142837977.033562 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-01T11:35:31+08:00", "utc": "1970-06-01T03:35:31Z", "ms": 13059330726.489456 }, "end": { "local": "1970-06-02T10:47:18+08:00", "utc": "1970-06-02T02:47:18Z", "ms": 13142837977.033562 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-06-01", "window": { "start": { "local": "1970-06-01T18:49:56+08:00", "utc": "1970-06-01T10:49:56Z", "ms": 13085395645.622353 }, "end": { "local": "1970-06-01T20:12:43+08:00", "utc": "1970-06-01T12:12:43Z", "ms": 13090363200.027746 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1970-06-02", "window": { "start": { "local": "1970-06-02T18:50:24+08:00", "utc": "1970-06-02T10:50:24Z", "ms": 13171823904.305864 }, "end": { "local": "1970-06-02T20:13:06+08:00", "utc": "1970-06-02T12:13:06Z", "ms": 13176786471.5427 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 11:36 on Mon 1 Jun to 10:47 on Tue 2 Jun.", "fact": "1970-06-01T03:35:31Z → 1970-06-02T02:47:18Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:50–20:13 on the 1st, 18:50–20:13 on the 2nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 1st and 0 of 83 on the 2nd.", "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 26065 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Monday 1 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": "1970-06-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Monday 1 June. Trayodaśī runs from 11:36 on Mon 1 Jun to 10:47 on Tue 2 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-06-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/shivaratri?on=1970-06-02", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35799, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-06-02T10:47:18+08:00", "utc": "1970-06-02T02:47:18Z", "ms": 13142837977.033562 }, "end": { "local": "1970-06-03T10:21:13+08:00", "utc": "1970-06-03T02:21:13Z", "ms": 13227672704.388683 }, "month": { "amanta": 1, "purnimanta": 2, "adhika": false, "amanta_name": "Vaiśākha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-02T10:47:18+08:00", "utc": "1970-06-02T02:47:18Z", "ms": 13142837977.033562 }, "end": { "local": "1970-06-03T10:21:13+08:00", "utc": "1970-06-03T02:21:13Z", "ms": 13227672704.388683 } }, "kaala": "nishita", "days": [ { "local_date": "1970-06-01", "window": { "start": { "local": "1970-06-01T23:36:24+08:00", "utc": "1970-06-01T15:36:24Z", "ms": 13102583974.642578 }, "end": { "local": "1970-06-02T00:24:24+08:00", "utc": "1970-06-01T16:24:24Z", "ms": 13105463974.642578 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-06-02", "window": { "start": { "local": "1970-06-02T23:36:34+08:00", "utc": "1970-06-02T15:36:34Z", "ms": 13188993531.444 }, "end": { "local": "1970-06-03T00:24:34+08:00", "utc": "1970-06-02T16:24:34Z", "ms": 13191873531.444 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 10:47 on Tue 2 Jun to 10:21 on Wed 3 Jun.", "fact": "1970-06-02T02:47:18Z → 1970-06-03T02:21:13Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:36–00:24 on the 1st, 23:37–00:25 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35799 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Tuesday 2 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": "1970-06-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Tuesday 2 June. Caturdaśī runs from 10:47 on Tue 2 Jun to 10:21 on Wed 3 Jun and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-06-02", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/rambha-tritiya", "festival": "rambha-tritiya", "name": "Rambhā Tṛtīyā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 946, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1970-06-06T11:53:04+08:00", "utc": "1970-06-06T03:53:04Z", "ms": 13492383813.258608 }, "end": { "local": "1970-06-07T13:27:28+08:00", "utc": "1970-06-07T05:27:28Z", "ms": 13584447539.56494 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-06T11:53:04+08:00", "utc": "1970-06-06T03:53:04Z", "ms": 13492383813.258608 }, "end": { "local": "1970-06-07T13:27:28+08:00", "utc": "1970-06-07T05:27:28Z", "ms": 13584447539.56494 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-06-06", "window": { "start": { "local": "1970-06-06T11:37:18+08:00", "utc": "1970-06-06T03:37:18Z", "ms": 13491437524.73988 }, "end": { "local": "1970-06-06T12:25:18+08:00", "utc": "1970-06-06T04:25:18Z", "ms": 13494317524.73988 } }, "covered_min": 32, "window_min": 48, "qualifies": true }, { "local_date": "1970-06-07", "window": { "start": { "local": "1970-06-07T11:37:28+08:00", "utc": "1970-06-07T03:37:28Z", "ms": 13577848202.78104 }, "end": { "local": "1970-06-07T12:25:28+08:00", "utc": "1970-06-07T04:25:28Z", "ms": 13580728202.78104 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "purvaviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 11:53 on Sat 6 Jun to 13:27 on Sun 7 Jun.", "fact": "1970-06-06T03:53:04Z → 1970-06-07T05:27:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 6th, 11:37–12:25 on the 7th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 32 of 48 minutes on the 6th and 48 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Both middays qualify. Pūrvaviddhā: the first is taken.", "fact": "priority: purvaviddha → purvaviddha · margin 946 s" }, { "step": "ruling", "text": "Rambhā Tṛtīyā, Fuzhou, 1970: Saturday 6 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rambha-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 3 Rambha trtiya (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-06-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-06", "confidence": "boundary" } ], "quote": "In Fuzhou, Rambhā Tṛtīyā 1970 falls on Saturday 6 June. Tṛtīyā runs from 11:53 on Sat 6 Jun to 13:27 on Sun 7 Jun and covers 32 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vinayaka-chaturthi?on=1970-06-08", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3719, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-06-07T13:27:28+08:00", "utc": "1970-06-07T05:27:28Z", "ms": 13584447539.56494 }, "end": { "local": "1970-06-08T15:30:47+08:00", "utc": "1970-06-08T07:30:47Z", "ms": 13678247008.410189 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-07T13:27:28+08:00", "utc": "1970-06-07T05:27:28Z", "ms": 13584447539.56494 }, "end": { "local": "1970-06-08T15:30:47+08:00", "utc": "1970-06-08T07:30:47Z", "ms": 13678247008.410189 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-06-07", "window": { "start": { "local": "1970-06-07T11:37:28+08:00", "utc": "1970-06-07T03:37:28Z", "ms": 13577848202.78104 }, "end": { "local": "1970-06-07T12:25:28+08:00", "utc": "1970-06-07T04:25:28Z", "ms": 13580728202.78104 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-06-08", "window": { "start": { "local": "1970-06-08T11:37:39+08:00", "utc": "1970-06-08T03:37:39Z", "ms": 13664259164.825714 }, "end": { "local": "1970-06-08T12:25:39+08:00", "utc": "1970-06-08T04:25:39Z", "ms": 13667139164.825714 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 13:27 on Sun 7 Jun to 15:31 on Mon 8 Jun.", "fact": "1970-06-07T05:27:28Z → 1970-06-08T07:30:47Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 7th, 11:38–12:26 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3719 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Monday 8 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": "1970-06-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-08", "confidence": "boundary" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Monday 8 June. Caturthī runs from 13:27 on Sun 7 Jun to 15:31 on Mon 8 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-06-08", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/aranya-gauri-vrata", "festival": "aranya-gauri-vrata", "name": "Araṇya Gaurī Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19774, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1970-06-09T17:55:25+08:00", "utc": "1970-06-09T09:55:25Z", "ms": 13773324795.315073 }, "end": { "local": "1970-06-10T20:29:36+08:00", "utc": "1970-06-10T12:29:36Z", "ms": 13868976078.425522 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-09T17:55:25+08:00", "utc": "1970-06-09T09:55:25Z", "ms": 13773324795.315073 }, "end": { "local": "1970-06-10T20:29:36+08:00", "utc": "1970-06-10T12:29:36Z", "ms": 13868976078.425522 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-06-09", "window": { "start": { "local": "1970-06-09T11:37:50+08:00", "utc": "1970-06-09T03:37:50Z", "ms": 13750670388.277517 }, "end": { "local": "1970-06-09T12:25:50+08:00", "utc": "1970-06-09T04:25:50Z", "ms": 13753550388.277517 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-06-10", "window": { "start": { "local": "1970-06-10T11:38:02+08:00", "utc": "1970-06-10T03:38:02Z", "ms": 13837081850.614353 }, "end": { "local": "1970-06-10T12:26:02+08:00", "utc": "1970-06-10T04:26:02Z", "ms": 13839961850.614353 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:55 on Tue 9 Jun to 20:30 on Wed 10 Jun.", "fact": "1970-06-09T09:55:25Z → 1970-06-10T12:29:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 9th, 11:38–12:26 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 19774 s" }, { "step": "ruling", "text": "Araṇya Gaurī Vrata, Fuzhou, 1970: Wednesday 10 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aranya-gauri-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Araṇya Gaurī Vrata 1970 falls on Wednesday 10 June. Ṣaṣṭhī runs from 17:55 on Tue 9 Jun to 20:30 on Wed 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/skanda-shashthi-jyaishtha", "festival": "skanda-shashthi-jyaishtha", "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19774, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1970-06-09T17:55:25+08:00", "utc": "1970-06-09T09:55:25Z", "ms": 13773324795.315073 }, "end": { "local": "1970-06-10T20:29:36+08:00", "utc": "1970-06-10T12:29:36Z", "ms": 13868976078.425522 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-09T17:55:25+08:00", "utc": "1970-06-09T09:55:25Z", "ms": 13773324795.315073 }, "end": { "local": "1970-06-10T20:29:36+08:00", "utc": "1970-06-10T12:29:36Z", "ms": 13868976078.425522 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-06-09", "window": { "start": { "local": "1970-06-09T11:37:50+08:00", "utc": "1970-06-09T03:37:50Z", "ms": 13750670388.277517 }, "end": { "local": "1970-06-09T12:25:50+08:00", "utc": "1970-06-09T04:25:50Z", "ms": 13753550388.277517 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-06-10", "window": { "start": { "local": "1970-06-10T11:38:02+08:00", "utc": "1970-06-10T03:38:02Z", "ms": 13837081850.614353 }, "end": { "local": "1970-06-10T12:26:02+08:00", "utc": "1970-06-10T04:26:02Z", "ms": 13839961850.614353 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 17:55 on Tue 9 Jun to 20:30 on Wed 10 Jun.", "fact": "1970-06-09T09:55:25Z → 1970-06-10T12:29:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 9th, 11:38–12:26 on the 10th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 19774 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Fuzhou, 1970: Wednesday 10 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-shashthi-jyaishtha", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 6 Aranya sasthi, Aranya gauri vrata, (paraviddha), Skanda sasthi, (purvaviddha), Sitala sasthi yatra (Orissa)" } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-06-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1970 falls on Wednesday 10 June. Ṣaṣṭhī runs from 17:55 on Tue 9 Jun to 20:30 on Wed 10 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-06-15", "festival": "ekadashi", "name": "Nirjalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5840, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-06-15T03:31:43+08:00", "utc": "1970-06-14T19:31:43Z", "ms": 14239903344.671095 }, "end": { "local": "1970-06-16T03:33:15+08:00", "utc": "1970-06-15T19:33:15Z", "ms": 14326394535.363064 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-15T03:31:43+08:00", "utc": "1970-06-14T19:31:43Z", "ms": 14239903344.671095 }, "end": { "local": "1970-06-16T03:33:15+08:00", "utc": "1970-06-15T19:33:15Z", "ms": 14326394535.363064 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-06-15", "window": { "start": { "local": "1970-06-15T05:10:28+08:00", "utc": "1970-06-14T21:10:28Z", "ms": 14245828491.955166 }, "end": { "local": "1970-06-15T05:10:28+08:00", "utc": "1970-06-14T21:10:28Z", "ms": 14245828491.955166 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-06-16", "window": { "start": { "local": "1970-06-16T05:10:35+08:00", "utc": "1970-06-15T21:10:35Z", "ms": 14332234777.406282 }, "end": { "local": "1970-06-16T05:10:35+08:00", "utc": "1970-06-15T21:10:35Z", "ms": 14332234777.406282 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:32 on Mon 15 Jun to 03:33 on Tue 16 Jun.", "fact": "1970-06-14T19:31:43Z → 1970-06-15T19:33:15Z" }, { "step": "kaala", "text": "Sunrise is at 05:10 on the 15th and 05:11 on the 16th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 15th and is not on the 16th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5840 s" }, { "step": "ruling", "text": "Nirjalā Ekādaśī, Fuzhou, 1970: Monday 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": "1970-06-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Nirjalā Ekādaśī 1970 falls on Monday 15 June. Ekādaśī runs from 03:32 on Mon 15 Jun to 03:33 on Tue 16 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-06-15", "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/1970/shri-rama-dvadashi", "festival": "shri-rama-dvadashi", "name": "Śrī Rāma Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29160, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1970-06-16T03:33:15+08:00", "utc": "1970-06-15T19:33:15Z", "ms": 14326394535.363064 }, "end": { "local": "1970-06-17T02:46:05+08:00", "utc": "1970-06-16T18:46:05Z", "ms": 14409965493.99003 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-16T03:33:15+08:00", "utc": "1970-06-15T19:33:15Z", "ms": 14326394535.363064 }, "end": { "local": "1970-06-17T02:46:05+08:00", "utc": "1970-06-16T18:46:05Z", "ms": 14409965493.99003 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-06-16", "window": { "start": { "local": "1970-06-16T11:39:14+08:00", "utc": "1970-06-16T03:39:14Z", "ms": 14355554398.418217 }, "end": { "local": "1970-06-16T12:27:14+08:00", "utc": "1970-06-16T04:27:14Z", "ms": 14358434398.418217 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-06-17", "window": { "start": { "local": "1970-06-17T11:39:27+08:00", "utc": "1970-06-17T03:39:27Z", "ms": 14441966917.696035 }, "end": { "local": "1970-06-17T12:27:27+08:00", "utc": "1970-06-17T04:27:27Z", "ms": 14444846917.696035 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 03:33 on Tue 16 Jun to 02:46 on Wed 17 Jun.", "fact": "1970-06-15T19:33:15Z → 1970-06-16T18:46:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 29160 s" }, { "step": "ruling", "text": "Śrī Rāma Dvādaśī, Fuzhou, 1970: Tuesday 16 June.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shri-rama-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-06-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Śrī Rāma Dvādaśī 1970 falls on Tuesday 16 June. Dvādaśī runs from 03:33 on Tue 16 Jun to 02:46 on Wed 17 Jun and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/pradosha-vrata?on=1970-06-17", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17777, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-06-17T02:46:05+08:00", "utc": "1970-06-16T18:46:05Z", "ms": 14409965493.99003 }, "end": { "local": "1970-06-18T01:14:26+08:00", "utc": "1970-06-17T17:14:26Z", "ms": 14490865545.374994 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-17T02:46:05+08:00", "utc": "1970-06-16T18:46:05Z", "ms": 14409965493.99003 }, "end": { "local": "1970-06-18T01:14:26+08:00", "utc": "1970-06-17T17:14:26Z", "ms": 14490865545.374994 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-06-16", "window": { "start": { "local": "1970-06-16T18:55:54+08:00", "utc": "1970-06-16T10:55:54Z", "ms": 14381754019.43015 }, "end": { "local": "1970-06-16T20:17:52+08:00", "utc": "1970-06-16T12:17:52Z", "ms": 14386672436.094908 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1970-06-17", "window": { "start": { "local": "1970-06-17T18:56:12+08:00", "utc": "1970-06-17T10:56:12Z", "ms": 14468171690.976227 }, "end": { "local": "1970-06-17T20:18:09+08:00", "utc": "1970-06-17T12:18:09Z", "ms": 14473088875.604952 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 02:46 on Wed 17 Jun to 01:14 on Thu 18 Jun.", "fact": "1970-06-16T18:46:05Z → 1970-06-17T17:14:26Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:18 on the 16th, 18:56–20:18 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 16th and 82 of 82 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17777 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Wednesday 17 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": "1970-06-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Wednesday 17 June. Trayodaśī runs from 02:46 on Wed 17 Jun to 01:14 on Thu 18 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-06-17", "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/1970/vata-savitri-vrata", "festival": "vata-savitri-vrata", "name": "Vaṭa Sāvitrī Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 524, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-06-18T23:05:17+08:00", "utc": "1970-06-18T15:05:17Z", "ms": 14569516637.094301 }, "end": { "local": "1970-06-19T20:27:24+08:00", "utc": "1970-06-19T12:27:24Z", "ms": 14646443886.609737 }, "month": { "amanta": 2, "purnimanta": 2, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Jyeṣṭha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-18T23:05:17+08:00", "utc": "1970-06-18T15:05:17Z", "ms": 14569516637.094301 }, "end": { "local": "1970-06-19T20:27:24+08:00", "utc": "1970-06-19T12:27:24Z", "ms": 14646443886.609737 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-06-18", "window": { "start": { "local": "1970-06-18T18:56:28+08:00", "utc": "1970-06-18T10:56:28Z", "ms": 14554588433.813536 }, "end": { "local": "1970-06-18T20:18:25+08:00", "utc": "1970-06-18T12:18:25Z", "ms": 14559504649.854452 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1970-06-19", "window": { "start": { "local": "1970-06-19T18:56:44+08:00", "utc": "1970-06-19T10:56:44Z", "ms": 14641004226.901382 }, "end": { "local": "1970-06-19T20:18:40+08:00", "utc": "1970-06-19T12:18:40Z", "ms": 14645919738.334352 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 23:05 on Thu 18 Jun to 20:27 on Fri 19 Jun.", "fact": "1970-06-18T15:05:17Z → 1970-06-19T12:27:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:18 on the 18th, 18:57–20:19 on the 19th.", "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 18th and 82 of 82 on the 19th.", "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 524 s" }, { "step": "ruling", "text": "Vaṭa Sāvitrī Vrata, Fuzhou, 1970: Friday 19 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": "1970-06-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Vaṭa Sāvitrī Vrata 1970 falls on Friday 19 June. Pūrṇimā runs from 23:05 on Thu 18 Jun to 20:27 on Fri 19 Jun and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-06-22", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37767, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-06-22T11:15:48+08:00", "utc": "1970-06-22T03:15:48Z", "ms": 14872548441.718277 }, "end": { "local": "1970-06-23T08:15:18+08:00", "utc": "1970-06-23T00:15:18Z", "ms": 14948117672.7985 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-22T11:15:48+08:00", "utc": "1970-06-22T03:15:48Z", "ms": 14872548441.718277 }, "end": { "local": "1970-06-23T08:15:18+08:00", "utc": "1970-06-23T00:15:18Z", "ms": 14948117672.7985 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-06-22", "window": { "start": { "local": "1970-06-22T21:45:15+08:00", "utc": "1970-06-22T13:45:15Z", "ms": 14910314983.324684 }, "end": { "local": "1970-06-22T21:45:15+08:00", "utc": "1970-06-22T13:45:15Z", "ms": 14910314983.324684 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-06-23", "window": { "start": { "local": "1970-06-23T22:25:49+08:00", "utc": "1970-06-23T14:25:49Z", "ms": 14999148710.49463 }, "end": { "local": "1970-06-23T22:25:49+08:00", "utc": "1970-06-23T14:25:49Z", "ms": 14999148710.49463 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:16 on Mon 22 Jun to 08:15 on Tue 23 Jun.", "fact": "1970-06-22T03:15:48Z → 1970-06-23T00:15:18Z" }, { "step": "kaala", "text": "Moonrise is at 21:45 on the 22nd and 22:26 on the 23rd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.", "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 37767 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Monday 22 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": "1970-06-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Monday 22 June. Caturthī runs from 11:16 on Mon 22 Jun to 08:15 on Tue 23 Jun and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-06-22", "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/1970/ekadashi?on=1970-06-29", "festival": "ekadashi", "name": "Yoginī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-06-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 29173, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-06-28T21:07:15+08:00", "utc": "1970-06-28T13:07:15Z", "ms": 15426435091.472698 }, "end": { "local": "1970-06-29T20:41:58+08:00", "utc": "1970-06-29T12:41:58Z", "ms": 15511317825.172218 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-28T21:07:15+08:00", "utc": "1970-06-28T13:07:15Z", "ms": 15426435091.472698 }, "end": { "local": "1970-06-29T20:41:58+08:00", "utc": "1970-06-29T12:41:58Z", "ms": 15511317825.172218 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-06-29", "window": { "start": { "local": "1970-06-29T05:13:28+08:00", "utc": "1970-06-28T21:13:28Z", "ms": 15455608407.462177 }, "end": { "local": "1970-06-29T05:13:28+08:00", "utc": "1970-06-28T21:13:28Z", "ms": 15455608407.462177 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-06-30", "window": { "start": { "local": "1970-06-30T05:13:48+08:00", "utc": "1970-06-29T21:13:48Z", "ms": 15542028105.820625 }, "end": { "local": "1970-06-30T05:13:48+08:00", "utc": "1970-06-29T21:13:48Z", "ms": 15542028105.820625 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 21:07 on Sun 28 Jun to 20:42 on Mon 29 Jun.", "fact": "1970-06-28T13:07:15Z → 1970-06-29T12:41:58Z" }, { "step": "kaala", "text": "Sunrise is at 05:13 on the 29th and 05:14 on the 30th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 29th and is not on the 30th.", "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 29173 s" }, { "step": "ruling", "text": "Yoginī Ekādaśī, Fuzhou, 1970: Monday 29 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": "1970-06-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-06-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Yoginī Ekādaśī 1970 falls on Monday 29 June. Ekādaśī runs from 21:07 on Sun 28 Jun to 20:42 on Mon 29 Jun and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-06-29", "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/1970/pradosha-vrata?on=1970-07-01", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1284, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-06-30T20:41:59+08:00", "utc": "1970-06-30T12:41:59Z", "ms": 15597718698.143341 }, "end": { "local": "1970-07-01T21:07:38+08:00", "utc": "1970-07-01T13:07:38Z", "ms": 15685658072.215693 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-06-30T20:41:59+08:00", "utc": "1970-06-30T12:41:59Z", "ms": 15597718698.143341 }, "end": { "local": "1970-07-01T21:07:38+08:00", "utc": "1970-07-01T13:07:38Z", "ms": 15685658072.215693 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-06-30", "window": { "start": { "local": "1970-06-30T18:58:30+08:00", "utc": "1970-06-30T10:58:30Z", "ms": 15591509595.360697 }, "end": { "local": "1970-06-30T20:20:35+08:00", "utc": "1970-06-30T12:20:35Z", "ms": 15596434792.69506 } }, "covered_min": 0, "window_min": 82, "qualifies": false }, { "local_date": "1970-07-01", "window": { "start": { "local": "1970-07-01T18:58:32+08:00", "utc": "1970-07-01T10:58:32Z", "ms": 15677912444.029493 }, "end": { "local": "1970-07-01T20:20:40+08:00", "utc": "1970-07-01T12:20:40Z", "ms": 15682840089.265274 } }, "covered_min": 82, "window_min": 82, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 20:42 on Tue 30 Jun to 21:08 on Wed 1 Jul.", "fact": "1970-06-30T12:41:59Z → 1970-07-01T13:07:38Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:21 on the 30th, 18:59–20:21 on the 1st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 30th and 82 of 82 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 1284 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Wednesday 1 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": "1970-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-01", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Wednesday 1 July. Trayodaśī runs from 20:42 on Tue 30 Jun to 21:08 on Wed 1 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/shivaratri?on=1970-07-01", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6195, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-07-01T21:07:38+08:00", "utc": "1970-07-01T13:07:38Z", "ms": 15685658072.215693 }, "end": { "local": "1970-07-02T21:59:28+08:00", "utc": "1970-07-02T13:59:28Z", "ms": 15775168318.594673 }, "month": { "amanta": 2, "purnimanta": 3, "adhika": false, "amanta_name": "Jyeṣṭha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-01T21:07:38+08:00", "utc": "1970-07-01T13:07:38Z", "ms": 15685658072.215693 }, "end": { "local": "1970-07-02T21:59:28+08:00", "utc": "1970-07-02T13:59:28Z", "ms": 15775168318.594673 } }, "kaala": "nishita", "days": [ { "local_date": "1970-07-01", "window": { "start": { "local": "1970-07-01T23:42:31+08:00", "utc": "1970-07-01T15:42:31Z", "ms": 15694951113.663673 }, "end": { "local": "1970-07-02T00:30:31+08:00", "utc": "1970-07-01T16:30:31Z", "ms": 15697831113.663673 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-07-02", "window": { "start": { "local": "1970-07-02T23:42:43+08:00", "utc": "1970-07-02T15:42:43Z", "ms": 15781362891.636148 }, "end": { "local": "1970-07-03T00:30:43+08:00", "utc": "1970-07-02T16:30:43Z", "ms": 15784242891.636148 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 21:08 on Wed 1 Jul to 21:59 on Thu 2 Jul.", "fact": "1970-07-01T13:07:38Z → 1970-07-02T13:59:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:43–00:31 on the 1st, 23:43–00:31 on the 2nd.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6195 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Wednesday 1 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": "1970-07-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Wednesday 1 July. Caturdaśī runs from 21:08 on Wed 1 Jul to 21:59 on Thu 2 Jul and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-07-01", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/rathayatra", "festival": "rathayatra", "name": "Rathayātrā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30821, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1970-07-05T01:01:58+08:00", "utc": "1970-07-04T17:01:58Z", "ms": 15958918472.843071 }, "end": { "local": "1970-07-06T03:09:33+08:00", "utc": "1970-07-05T19:09:33Z", "ms": 16052973463.930937 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-05T01:01:58+08:00", "utc": "1970-07-04T17:01:58Z", "ms": 15958918472.843071 }, "end": { "local": "1970-07-06T03:09:33+08:00", "utc": "1970-07-05T19:09:33Z", "ms": 16052973463.930937 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-07-05", "window": { "start": { "local": "1970-07-05T11:43:05+08:00", "utc": "1970-07-05T03:43:05Z", "ms": 15997384558.102844 }, "end": { "local": "1970-07-05T12:31:05+08:00", "utc": "1970-07-05T04:31:05Z", "ms": 16000264558.102844 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-07-06", "window": { "start": { "local": "1970-07-06T11:43:15+08:00", "utc": "1970-07-06T03:43:15Z", "ms": 16083794800.236082 }, "end": { "local": "1970-07-06T12:31:15+08:00", "utc": "1970-07-06T04:31:15Z", "ms": 16086674800.236082 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 01:02 on Sun 5 Jul to 03:10 on Mon 6 Jul.", "fact": "1970-07-04T17:01:58Z → 1970-07-05T19:09:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 5th, 11:43–12:31 on the 6th.", "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 5th and 0 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 30821 s" }, { "step": "ruling", "text": "Rathayātrā, Fuzhou, 1970: Sunday 5 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "rathayatra", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')" } ], "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.", "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-07-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Rathayātrā 1970 falls on Sunday 5 July. Dvitīyā runs from 01:02 on Sun 5 Jul to 03:10 on Mon 6 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vinayaka-chaturthi?on=1970-07-07", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12725, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-07-07T05:35:28+08:00", "utc": "1970-07-06T21:35:28Z", "ms": 16148127794.24335 }, "end": { "local": "1970-07-08T08:11:29+08:00", "utc": "1970-07-08T00:11:29Z", "ms": 16243888800.376268 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-07T05:35:28+08:00", "utc": "1970-07-06T21:35:28Z", "ms": 16148127794.24335 }, "end": { "local": "1970-07-08T08:11:29+08:00", "utc": "1970-07-08T00:11:29Z", "ms": 16243888800.376268 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-07-07", "window": { "start": { "local": "1970-07-07T11:43:25+08:00", "utc": "1970-07-07T03:43:25Z", "ms": 16170204687.831554 }, "end": { "local": "1970-07-07T12:31:25+08:00", "utc": "1970-07-07T04:31:25Z", "ms": 16173084687.831554 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-07-08", "window": { "start": { "local": "1970-07-08T11:43:34+08:00", "utc": "1970-07-08T03:43:34Z", "ms": 16256614199.248846 }, "end": { "local": "1970-07-08T12:31:34+08:00", "utc": "1970-07-08T04:31:34Z", "ms": 16259494199.248846 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 05:35 on Tue 7 Jul to 08:11 on Wed 8 Jul.", "fact": "1970-07-06T21:35:28Z → 1970-07-08T00:11:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 7th, 11:44–12:32 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 12725 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Tuesday 7 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": "1970-07-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Tuesday 7 July. Caturthī runs from 05:35 on Tue 7 Jul to 08:11 on Wed 8 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-07-07", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/skanda-panchami", "festival": "skanda-panchami", "name": "Skanda Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3437, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1970-07-08T08:11:29+08:00", "utc": "1970-07-08T00:11:29Z", "ms": 16243888800.376268 }, "end": { "local": "1970-07-09T10:46:26+08:00", "utc": "1970-07-09T02:46:26Z", "ms": 16339585906.857405 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-08T08:11:29+08:00", "utc": "1970-07-08T00:11:29Z", "ms": 16243888800.376268 }, "end": { "local": "1970-07-09T10:46:26+08:00", "utc": "1970-07-09T02:46:26Z", "ms": 16339585906.857405 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-07-08", "window": { "start": { "local": "1970-07-08T11:43:34+08:00", "utc": "1970-07-08T03:43:34Z", "ms": 16256614199.248846 }, "end": { "local": "1970-07-08T12:31:34+08:00", "utc": "1970-07-08T04:31:34Z", "ms": 16259494199.248846 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-07-09", "window": { "start": { "local": "1970-07-09T11:43:43+08:00", "utc": "1970-07-09T03:43:43Z", "ms": 16343023313.901146 }, "end": { "local": "1970-07-09T12:31:43+08:00", "utc": "1970-07-09T04:31:43Z", "ms": 16345903313.901146 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 08:11 on Wed 8 Jul to 10:46 on Thu 9 Jul.", "fact": "1970-07-08T00:11:29Z → 1970-07-09T02:46:26Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 8th, 11:44–12:32 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 3437 s" }, { "step": "ruling", "text": "Skanda Pañcamī, Fuzhou, 1970: Wednesday 8 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "skanda-panchami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 5 Skanda pancami (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-07-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-09", "confidence": "boundary" } ], "quote": "In Fuzhou, Skanda Pañcamī 1970 falls on Wednesday 8 July. Pañcamī runs from 08:11 on Wed 8 Jul to 10:46 on Thu 9 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vivasvat-saptami", "festival": "vivasvat-saptami", "name": "Vivasvat Saptamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2119, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1970-07-10T13:07:11+08:00", "utc": "1970-07-10T05:07:11Z", "ms": 16434431286.447866 }, "end": { "local": "1970-07-11T15:00:25+08:00", "utc": "1970-07-11T07:00:25Z", "ms": 16527625070.377 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-10T13:07:11+08:00", "utc": "1970-07-10T05:07:11Z", "ms": 16434431286.447866 }, "end": { "local": "1970-07-11T15:00:25+08:00", "utc": "1970-07-11T07:00:25Z", "ms": 16527625070.377 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-07-10", "window": { "start": { "local": "1970-07-10T11:43:52+08:00", "utc": "1970-07-10T03:43:52Z", "ms": 16429432012.302109 }, "end": { "local": "1970-07-10T12:31:52+08:00", "utc": "1970-07-10T04:31:52Z", "ms": 16432312012.302109 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-07-11", "window": { "start": { "local": "1970-07-11T11:44:00+08:00", "utc": "1970-07-11T03:44:00Z", "ms": 16515840276.10857 }, "end": { "local": "1970-07-11T12:32:00+08:00", "utc": "1970-07-11T04:32:00Z", "ms": 16518720276.10857 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 13:07 on Fri 10 Jul to 15:00 on Sat 11 Jul.", "fact": "1970-07-10T05:07:11Z → 1970-07-11T07:00:25Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 10th, 11:44–12:32 on the 11th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 2119 s" }, { "step": "ruling", "text": "Vivasvat Saptamī, Fuzhou, 1970: Saturday 11 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "vivasvat-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 7 Vivasvat saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-07-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Vivasvat Saptamī 1970 falls on Saturday 11 July. Saptamī runs from 13:07 on Fri 10 Jul to 15:00 on Sat 11 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-07-15", "festival": "ekadashi", "name": "Hariśayanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-15", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35120, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-07-14T16:18:27+08:00", "utc": "1970-07-14T08:18:27Z", "ms": 16791507421.186255 }, "end": { "local": "1970-07-15T15:05:17+08:00", "utc": "1970-07-15T07:05:17Z", "ms": 16873517240.156622 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-14T16:18:27+08:00", "utc": "1970-07-14T08:18:27Z", "ms": 16791507421.186255 }, "end": { "local": "1970-07-15T15:05:17+08:00", "utc": "1970-07-15T07:05:17Z", "ms": 16873517240.156622 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-07-14", "window": { "start": { "local": "1970-07-14T05:19:30+08:00", "utc": "1970-07-13T21:19:30Z", "ms": 16751969808.327803 }, "end": { "local": "1970-07-14T05:19:30+08:00", "utc": "1970-07-13T21:19:30Z", "ms": 16751969808.327803 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-07-15", "window": { "start": { "local": "1970-07-15T05:19:58+08:00", "utc": "1970-07-14T21:19:58Z", "ms": 16838397641.634823 }, "end": { "local": "1970-07-15T05:19:58+08:00", "utc": "1970-07-14T21:19:58Z", "ms": 16838397641.634823 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 16:18 on Tue 14 Jul to 15:05 on Wed 15 Jul.", "fact": "1970-07-14T08:18:27Z → 1970-07-15T07:05:17Z" }, { "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 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 35120 s" }, { "step": "ruling", "text": "Hariśayanī Ekādaśī, Fuzhou, 1970: Wednesday 15 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": "1970-07-15", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-15", "confidence": "determinate" } ], "quote": "In Fuzhou, Hariśayanī Ekādaśī 1970 falls on Wednesday 15 July. Ekādaśī runs from 16:18 on Tue 14 Jul to 15:05 on Wed 15 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-07-15", "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/1970/pradosha-vrata?on=1970-07-16", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20996, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-07-16T13:06:47+08:00", "utc": "1970-07-16T05:06:47Z", "ms": 16952806961.466324 }, "end": { "local": "1970-07-17T10:30:06+08:00", "utc": "1970-07-17T02:30:06Z", "ms": 17029805694.003979 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-16T13:06:47+08:00", "utc": "1970-07-16T05:06:47Z", "ms": 16952806961.466324 }, "end": { "local": "1970-07-17T10:30:06+08:00", "utc": "1970-07-17T02:30:06Z", "ms": 17029805694.003979 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-07-16", "window": { "start": { "local": "1970-07-16T18:56:43+08:00", "utc": "1970-07-16T10:56:43Z", "ms": 16973803272.528025 }, "end": { "local": "1970-07-16T20:19:57+08:00", "utc": "1970-07-16T12:19:57Z", "ms": 16978796727.255243 } }, "covered_min": 83, "window_min": 83, "qualifies": true }, { "local_date": "1970-07-17", "window": { "start": { "local": "1970-07-17T18:56:26+08:00", "utc": "1970-07-17T10:56:26Z", "ms": 17060185554.731 }, "end": { "local": "1970-07-17T20:19:45+08:00", "utc": "1970-07-17T12:19:45Z", "ms": 17065185193.17705 } }, "covered_min": 0, "window_min": 83, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:07 on Thu 16 Jul to 10:30 on Fri 17 Jul.", "fact": "1970-07-16T05:06:47Z → 1970-07-17T02:30:06Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:20 on the 16th, 18:56–20:20 on the 17th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 83 of 83 minutes on the 16th and 0 of 83 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 20996 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Thursday 16 July.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-07-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Thursday 16 July. Trayodaśī runs from 13:07 on Thu 16 Jul to 10:30 on Fri 17 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-07-16", "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/1970/vyasa-puja", "festival": "vyasa-puja", "name": "Vyāsa Pūjā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-18", "confidence": "boundary", "boundary_reasons": [ "absent-unstated" ], "boundary_margin_s": 2415, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-07-18T07:24:05+08:00", "utc": "1970-07-17T23:24:05Z", "ms": 17105044808.683395 }, "end": { "local": "1970-07-19T03:58:28+08:00", "utc": "1970-07-18T19:58:28Z", "ms": 17179108161.707905 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-18T07:24:05+08:00", "utc": "1970-07-17T23:24:05Z", "ms": 17105044808.683395 }, "end": { "local": "1970-07-19T03:58:28+08:00", "utc": "1970-07-18T19:58:28Z", "ms": 17179108161.707905 } }, "kaala": "udaya-3", "days": [ { "local_date": "1970-07-18", "window": { "start": { "local": "1970-07-18T05:21:23+08:00", "utc": "1970-07-17T21:21:23Z", "ms": 17097682843.07636 }, "end": { "local": "1970-07-18T08:04:20+08:00", "utc": "1970-07-18T00:04:20Z", "ms": 17107459581.865202 } }, "covered_min": 40, "window_min": 163, "qualifies": false }, { "local_date": "1970-07-19", "window": { "start": { "local": "1970-07-19T05:21:52+08:00", "utc": "1970-07-18T21:21:52Z", "ms": 17184111733.744514 }, "end": { "local": "1970-07-19T08:04:39+08:00", "utc": "1970-07-19T00:04:39Z", "ms": 17193878632.509754 } }, "covered_min": 0, "window_min": 163, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:24 on Sat 18 Jul to 03:58 on Sun 19 Jul.", "fact": "1970-07-17T23:24:05Z → 1970-07-18T19:58:28Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:21–08:04 on the 18th, 05:22–08:05 on the 19th.", "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 40 of 163 minutes on the 18th and 0 of 163 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Neither morning qualifies. The day the tithi falls on is taken.", "fact": "priority: paraviddha → tithi-day · margin 2415 s" }, { "step": "ruling", "text": "Vyāsa Pūjā, Fuzhou, 1970: Saturday 18 July.", "fact": "confidence: boundary (absent-unstated)" } ], "rule": { "kind": "lunar", "id": "vyasa-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 102", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)." } ], "kaala": "udaya-3", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-07-18", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-18", "confidence": "boundary" } ], "quote": "In Fuzhou, Vyāsa Pūjā 1970 falls on Saturday 18 July. Pūrṇimā runs from 07:24 on Sat 18 Jul to 03:58 on Sun 19 Jul, and reaches the first three muhūrtas after sunrise on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/guru-purnima", "festival": "guru-purnima", "name": "Guru Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15640, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-07-18T07:24:05+08:00", "utc": "1970-07-17T23:24:05Z", "ms": 17105044808.683395 }, "end": { "local": "1970-07-19T03:58:28+08:00", "utc": "1970-07-18T19:58:28Z", "ms": 17179108161.707905 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-18T07:24:05+08:00", "utc": "1970-07-17T23:24:05Z", "ms": 17105044808.683395 }, "end": { "local": "1970-07-19T03:58:28+08:00", "utc": "1970-07-18T19:58:28Z", "ms": 17179108161.707905 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-07-18", "window": { "start": { "local": "1970-07-18T11:44:45+08:00", "utc": "1970-07-18T03:44:45Z", "ms": 17120684690.048462 }, "end": { "local": "1970-07-18T12:32:45+08:00", "utc": "1970-07-18T04:32:45Z", "ms": 17123564690.048462 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-07-19", "window": { "start": { "local": "1970-07-19T11:44:49+08:00", "utc": "1970-07-19T03:44:49Z", "ms": 17207088980.657616 }, "end": { "local": "1970-07-19T12:32:49+08:00", "utc": "1970-07-19T04:32:49Z", "ms": 17209968980.657616 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:24 on Sat 18 Jul to 03:58 on Sun 19 Jul.", "fact": "1970-07-17T23:24:05Z → 1970-07-18T19:58:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 18th, 11:45–12:33 on the 19th.", "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 18th and 0 of 48 on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15640 s" }, { "step": "ruling", "text": "Guru Pūrṇimā, Fuzhou, 1970: Saturday 18 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": "1970-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Guru Pūrṇimā 1970 falls on Saturday 18 July. Pūrṇimā runs from 07:24 on Sat 18 Jul to 03:58 on Sun 19 Jul and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/kokila-vrata", "festival": "kokila-vrata", "name": "Kokilā Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 31745, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-07-18T07:24:05+08:00", "utc": "1970-07-17T23:24:05Z", "ms": 17105044808.683395 }, "end": { "local": "1970-07-19T03:58:28+08:00", "utc": "1970-07-18T19:58:28Z", "ms": 17179108161.707905 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-18T07:24:05+08:00", "utc": "1970-07-17T23:24:05Z", "ms": 17105044808.683395 }, "end": { "local": "1970-07-19T03:58:28+08:00", "utc": "1970-07-18T19:58:28Z", "ms": 17179108161.707905 } }, "kaala": "sayahna", "days": [ { "local_date": "1970-07-18", "window": { "start": { "local": "1970-07-18T16:13:10+08:00", "utc": "1970-07-18T08:13:10Z", "ms": 17136789798.231722 }, "end": { "local": "1970-07-18T18:56:07+08:00", "utc": "1970-07-18T10:56:07Z", "ms": 17146566537.020563 } }, "covered_min": 163, "window_min": 163, "qualifies": true }, { "local_date": "1970-07-19", "window": { "start": { "local": "1970-07-19T16:12:59+08:00", "utc": "1970-07-19T08:12:59Z", "ms": 17223179328.80548 }, "end": { "local": "1970-07-19T18:55:46+08:00", "utc": "1970-07-19T10:55:46Z", "ms": 17232946227.57072 } }, "covered_min": 0, "window_min": 163, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:24 on Sat 18 Jul to 03:58 on Sun 19 Jul.", "fact": "1970-07-17T23:24:05Z → 1970-07-18T19:58:28Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:56 on the 18th, 16:13–18:56 on the 19th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during sāyāhna. It covers 163 of 163 minutes on the 18th and 0 of 163 on the 19th.", "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 31745 s" }, { "step": "ruling", "text": "Kokilā Vrata, Fuzhou, 1970: Saturday 18 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": "1970-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Kokilā Vrata 1970 falls on Saturday 18 July. Pūrṇimā runs from 07:24 on Sat 18 Jul to 03:58 on Sun 19 Jul and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/shiva-shayanotsava", "festival": "shiva-shayanotsava", "name": "Śiva Śayanotsava", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 27536, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-07-18T07:24:05+08:00", "utc": "1970-07-17T23:24:05Z", "ms": 17105044808.683395 }, "end": { "local": "1970-07-19T03:58:28+08:00", "utc": "1970-07-18T19:58:28Z", "ms": 17179108161.707905 }, "month": { "amanta": 3, "purnimanta": 3, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Āṣāḍha" } }, "span": { "of": "tithi", "start": { "local": "1970-07-18T07:24:05+08:00", "utc": "1970-07-17T23:24:05Z", "ms": 17105044808.683395 }, "end": { "local": "1970-07-19T03:58:28+08:00", "utc": "1970-07-18T19:58:28Z", "ms": 17179108161.707905 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-07-17", "window": { "start": { "local": "1970-07-17T18:56:26+08:00", "utc": "1970-07-17T10:56:26Z", "ms": 17060185554.731 }, "end": { "local": "1970-07-17T20:19:45+08:00", "utc": "1970-07-17T12:19:45Z", "ms": 17065185193.17705 } }, "covered_min": 0, "window_min": 83, "qualifies": false }, { "local_date": "1970-07-18", "window": { "start": { "local": "1970-07-18T18:56:07+08:00", "utc": "1970-07-18T10:56:07Z", "ms": 17146566537.020563 }, "end": { "local": "1970-07-18T20:19:33+08:00", "utc": "1970-07-18T12:19:33Z", "ms": 17151572563.250423 } }, "covered_min": 83, "window_min": 83, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 07:24 on Sat 18 Jul to 03:58 on Sun 19 Jul.", "fact": "1970-07-17T23:24:05Z → 1970-07-18T19:58:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:56–20:20 on the 17th, 18:56–20:20 on the 18th.", "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 83 minutes on the 17th and 83 of 83 on the 18th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 27536 s" }, { "step": "ruling", "text": "Śiva Śayanotsava, Fuzhou, 1970: Saturday 18 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": "1970-07-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Śiva Śayanotsava 1970 falls on Saturday 18 July. Pūrṇimā runs from 07:24 on Sat 18 Jul to 03:58 on Sun 19 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ashunya-shayana-vrata-ashadha", "festival": "ashunya-shayana-vrata-ashadha", "name": "Aśūnya Śayana Vrata (Āṣāḍha)", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1675, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1970-07-20T00:23:14+08:00", "utc": "1970-07-19T16:23:14Z", "ms": 17252593963.079678 }, "end": { "local": "1970-07-20T20:48:06+08:00", "utc": "1970-07-20T12:48:06Z", "ms": 17326086376.83545 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-07-20T00:23:14+08:00", "utc": "1970-07-19T16:23:14Z", "ms": 17252593963.079678 }, "end": { "local": "1970-07-20T20:48:06+08:00", "utc": "1970-07-20T12:48:06Z", "ms": 17326086376.83545 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-07-19", "window": { "start": { "local": "1970-07-19T19:35:51+08:00", "utc": "1970-07-19T11:35:51Z", "ms": 17235350744.97993 }, "end": { "local": "1970-07-19T19:35:51+08:00", "utc": "1970-07-19T11:35:51Z", "ms": 17235350744.97993 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-07-20", "window": { "start": { "local": "1970-07-20T20:20:12+08:00", "utc": "1970-07-20T12:20:12Z", "ms": 17324411869.15772 }, "end": { "local": "1970-07-20T20:20:12+08:00", "utc": "1970-07-20T12:20:12Z", "ms": 17324411869.15772 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 00:23 on Mon 20 Jul to 20:48 on Mon 20 Jul.", "fact": "1970-07-19T16:23:14Z → 1970-07-20T12:48:06Z" }, { "step": "kaala", "text": "Moonrise is at 19:36 on the 19th and 20:20 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 19th and is on the 20th.", "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 1675 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata (Āṣāḍha), Fuzhou, 1970: Monday 20 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": "1970-07-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata (Āṣāḍha) 1970 falls on Monday 20 July. Dvitīyā runs from 00:23 on Mon 20 Jul to 20:48 on Mon 20 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-07-21", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-21", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13027, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-07-21T17:22:13+08:00", "utc": "1970-07-21T09:22:13Z", "ms": 17400133495.63368 }, "end": { "local": "1970-07-22T14:13:49+08:00", "utc": "1970-07-22T06:13:49Z", "ms": 17475228625.282364 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-07-21T17:22:13+08:00", "utc": "1970-07-21T09:22:13Z", "ms": 17400133495.63368 }, "end": { "local": "1970-07-22T14:13:49+08:00", "utc": "1970-07-22T06:13:49Z", "ms": 17475228625.282364 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-07-21", "window": { "start": { "local": "1970-07-21T20:59:21+08:00", "utc": "1970-07-21T12:59:21Z", "ms": 17413160743.40911 }, "end": { "local": "1970-07-21T20:59:21+08:00", "utc": "1970-07-21T12:59:21Z", "ms": 17413160743.40911 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-07-22", "window": { "start": { "local": "1970-07-22T21:35:12+08:00", "utc": "1970-07-22T13:35:12Z", "ms": 17501712192.67828 }, "end": { "local": "1970-07-22T21:35:12+08:00", "utc": "1970-07-22T13:35:12Z", "ms": 17501712192.67828 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 17:22 on Tue 21 Jul to 14:14 on Wed 22 Jul.", "fact": "1970-07-21T09:22:13Z → 1970-07-22T06:13:49Z" }, { "step": "kaala", "text": "Moonrise is at 20:59 on the 21st and 21:35 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 21st and is not on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13027 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Tuesday 21 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": "1970-07-21", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-21", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Tuesday 21 July. Caturthī runs from 17:22 on Tue 21 Jul to 14:14 on Wed 22 Jul and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-07-21", "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/1970/ekadashi?on=1970-07-29", "festival": "ekadashi", "name": "Kāmikā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 2768, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-07-28T06:12:27+08:00", "utc": "1970-07-27T22:12:27Z", "ms": 17964747131.686886 }, "end": { "local": "1970-07-29T06:53:13+08:00", "utc": "1970-07-28T22:53:13Z", "ms": 18053592783.782993 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-07-28T06:12:27+08:00", "utc": "1970-07-27T22:12:27Z", "ms": 17964747131.686886 }, "end": { "local": "1970-07-29T06:53:13+08:00", "utc": "1970-07-28T22:53:13Z", "ms": 18053592783.782993 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-07-28", "window": { "start": { "local": "1970-07-28T05:26:19+08:00", "utc": "1970-07-27T21:26:19Z", "ms": 17961978997.32123 }, "end": { "local": "1970-07-28T05:26:19+08:00", "utc": "1970-07-27T21:26:19Z", "ms": 17961978997.32123 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-07-29", "window": { "start": { "local": "1970-07-29T05:26:49+08:00", "utc": "1970-07-28T21:26:49Z", "ms": 18048409132.1993 }, "end": { "local": "1970-07-29T05:26:49+08:00", "utc": "1970-07-28T21:26:49Z", "ms": 18048409132.1993 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 06:12 on Tue 28 Jul to 06:53 on Wed 29 Jul.", "fact": "1970-07-27T22:12:27Z → 1970-07-28T22:53:13Z" }, { "step": "kaala", "text": "Sunrise is at 05:26 on the 28th and 05:27 on the 29th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 2768 s" }, { "step": "ruling", "text": "Kāmikā Ekādaśī, Fuzhou, 1970: Wednesday 29 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": "1970-07-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Kāmikā Ekādaśī 1970 falls on Wednesday 29 July. Ekādaśī runs from 06:12 on Tue 28 Jul to 06:53 on Wed 29 Jul and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-07-29", "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/1970/pradosha-vrata?on=1970-07-30", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32949, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-07-30T08:03:53+08:00", "utc": "1970-07-30T00:03:53Z", "ms": 18144232983.951305 }, "end": { "local": "1970-07-31T09:40:56+08:00", "utc": "1970-07-31T01:40:56Z", "ms": 18236455885.79438 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-07-30T08:03:53+08:00", "utc": "1970-07-30T00:03:53Z", "ms": 18144232983.951305 }, "end": { "local": "1970-07-31T09:40:56+08:00", "utc": "1970-07-31T01:40:56Z", "ms": 18236455885.79438 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-07-30", "window": { "start": { "local": "1970-07-30T18:50:40+08:00", "utc": "1970-07-30T10:50:40Z", "ms": 18183040332.65428 }, "end": { "local": "1970-07-30T20:15:38+08:00", "utc": "1970-07-30T12:15:38Z", "ms": 18188137542.613564 } }, "covered_min": 85, "window_min": 85, "qualifies": true }, { "local_date": "1970-07-31", "window": { "start": { "local": "1970-07-31T18:50:05+08:00", "utc": "1970-07-31T10:50:05Z", "ms": 18269405290.557938 }, "end": { "local": "1970-07-31T20:15:11+08:00", "utc": "1970-07-31T12:15:11Z", "ms": 18274511185.893913 } }, "covered_min": 0, "window_min": 85, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:04 on Thu 30 Jul to 09:41 on Fri 31 Jul.", "fact": "1970-07-30T00:03:53Z → 1970-07-31T01:40:56Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:51–20:16 on the 30th, 18:50–20:15 on the 31st.", "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 30th and 0 of 85 on the 31st.", "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 32949 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Thursday 30 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": "1970-07-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Thursday 30 July. Trayodaśī runs from 08:04 on Thu 30 Jul to 09:41 on Fri 31 Jul and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-07-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/shivaratri?on=1970-07-31", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-07-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32861, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-07-31T09:40:56+08:00", "utc": "1970-07-31T01:40:56Z", "ms": 18236455885.79438 }, "end": { "local": "1970-08-01T11:40:28+08:00", "utc": "1970-08-01T03:40:28Z", "ms": 18330028215.069798 }, "month": { "amanta": 3, "purnimanta": 4, "adhika": false, "amanta_name": "Āṣāḍha", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-07-31T09:40:56+08:00", "utc": "1970-07-31T01:40:56Z", "ms": 18236455885.79438 }, "end": { "local": "1970-08-01T11:40:28+08:00", "utc": "1970-08-01T03:40:28Z", "ms": 18330028215.069798 } }, "kaala": "nishita", "days": [ { "local_date": "1970-07-30", "window": { "start": { "local": "1970-07-30T23:45:15+08:00", "utc": "1970-07-30T15:45:15Z", "ms": 18200714870.001587 }, "end": { "local": "1970-07-31T00:33:15+08:00", "utc": "1970-07-30T16:33:15Z", "ms": 18203594870.001587 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-07-31", "window": { "start": { "local": "1970-07-31T23:45:12+08:00", "utc": "1970-07-31T15:45:12Z", "ms": 18287112398.06785 }, "end": { "local": "1970-08-01T00:33:12+08:00", "utc": "1970-07-31T16:33:12Z", "ms": 18289992398.06785 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 09:41 on Fri 31 Jul to 11:40 on Sat 1 Aug.", "fact": "1970-07-31T01:40:56Z → 1970-08-01T03:40:28Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 30th, 23:45–00:33 on the 31st.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32861 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Friday 31 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": "1970-07-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-07-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Friday 31 July. Caturdaśī runs from 09:41 on Fri 31 Jul to 11:40 on Sat 1 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-07-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/madhusrava-tritiya", "festival": "madhusrava-tritiya", "name": "Madhusravā Tṛtīyā", "everyday": "Hariyali Teej", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 23584, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1970-08-04T19:05:45+08:00", "utc": "1970-08-04T11:05:45Z", "ms": 18615945452.107018 }, "end": { "local": "1970-08-05T21:41:27+08:00", "utc": "1970-08-05T13:41:27Z", "ms": 18711687402.17779 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-08-04T19:05:45+08:00", "utc": "1970-08-04T11:05:45Z", "ms": 18615945452.107018 }, "end": { "local": "1970-08-05T21:41:27+08:00", "utc": "1970-08-05T13:41:27Z", "ms": 18711687402.17779 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-08-04", "window": { "start": { "local": "1970-08-04T11:44:42+08:00", "utc": "1970-08-04T03:44:42Z", "ms": 18589481539.149094 }, "end": { "local": "1970-08-04T12:32:42+08:00", "utc": "1970-08-04T04:32:42Z", "ms": 18592361539.149094 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-08-05", "window": { "start": { "local": "1970-08-05T11:44:36+08:00", "utc": "1970-08-05T03:44:36Z", "ms": 18675876077.678947 }, "end": { "local": "1970-08-05T12:32:36+08:00", "utc": "1970-08-05T04:32:36Z", "ms": 18678756077.678947 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 19:06 on Tue 4 Aug to 21:41 on Wed 5 Aug.", "fact": "1970-08-04T11:05:45Z → 1970-08-05T13:41:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 4th, 11:45–12:33 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 23584 s" }, { "step": "ruling", "text": "Madhusravā Tṛtīyā, Fuzhou, 1970: Wednesday 5 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": "1970-08-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Madhusravā Tṛtīyā (Hariyali Teej) 1970 falls on Wednesday 5 August. Tṛtīyā runs from 19:06 on Tue 4 Aug to 21:41 on Wed 5 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vinayaka-chaturthi?on=1970-08-06", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32931, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-08-05T21:41:27+08:00", "utc": "1970-08-05T13:41:27Z", "ms": 18711687402.17779 }, "end": { "local": "1970-08-07T00:06:31+08:00", "utc": "1970-08-06T16:06:31Z", "ms": 18806791243.025303 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-08-05T21:41:27+08:00", "utc": "1970-08-05T13:41:27Z", "ms": 18711687402.17779 }, "end": { "local": "1970-08-07T00:06:31+08:00", "utc": "1970-08-06T16:06:31Z", "ms": 18806791243.025303 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-08-05", "window": { "start": { "local": "1970-08-05T11:44:36+08:00", "utc": "1970-08-05T03:44:36Z", "ms": 18675876077.678947 }, "end": { "local": "1970-08-05T12:32:36+08:00", "utc": "1970-08-05T04:32:36Z", "ms": 18678756077.678947 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-08-06", "window": { "start": { "local": "1970-08-06T11:44:30+08:00", "utc": "1970-08-06T03:44:30Z", "ms": 18762270011.0884 }, "end": { "local": "1970-08-06T12:32:30+08:00", "utc": "1970-08-06T04:32:30Z", "ms": 18765150011.0884 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:41 on Wed 5 Aug to 00:07 on Fri 7 Aug.", "fact": "1970-08-05T13:41:27Z → 1970-08-06T16:06:31Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 5th, 11:45–12:33 on the 6th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32931 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Thursday 6 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": "1970-08-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Thursday 6 August. Caturthī runs from 21:41 on Wed 5 Aug to 00:07 on Fri 7 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-08-06", "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/1970/naga-panchami", "festival": "naga-panchami", "name": "Nāga Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34404, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1970-08-07T00:06:31+08:00", "utc": "1970-08-06T16:06:31Z", "ms": 18806791243.025303 }, "end": { "local": "1970-08-08T02:10:52+08:00", "utc": "1970-08-07T18:10:52Z", "ms": 18900651682.3144 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-08-07T00:06:31+08:00", "utc": "1970-08-06T16:06:31Z", "ms": 18806791243.025303 }, "end": { "local": "1970-08-08T02:10:52+08:00", "utc": "1970-08-07T18:10:52Z", "ms": 18900651682.3144 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-08-07", "window": { "start": { "local": "1970-08-07T11:44:23+08:00", "utc": "1970-08-07T03:44:23Z", "ms": 18848663340.38498 }, "end": { "local": "1970-08-07T12:32:23+08:00", "utc": "1970-08-07T04:32:23Z", "ms": 18851543340.38498 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-08-08", "window": { "start": { "local": "1970-08-08T11:44:16+08:00", "utc": "1970-08-08T03:44:16Z", "ms": 18935056067.635956 }, "end": { "local": "1970-08-08T12:32:16+08:00", "utc": "1970-08-08T04:32:16Z", "ms": 18937936067.635956 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 00:07 on Fri 7 Aug to 02:11 on Sat 8 Aug.", "fact": "1970-08-06T16:06:31Z → 1970-08-07T18:10:52Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 7th, 11:44–12:32 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 34404 s" }, { "step": "ruling", "text": "Nāga Pañcamī, Fuzhou, 1970: Friday 7 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": "1970-08-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī 1970 falls on Friday 7 August. Pañcamī runs from 00:07 on Fri 7 Aug to 02:11 on Sat 8 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-08-13", "festival": "ekadashi", "name": "Putradā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10123, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-08-13T02:45:29+08:00", "utc": "1970-08-12T18:45:29Z", "ms": 19334728767.00546 }, "end": { "local": "1970-08-14T00:37:00+08:00", "utc": "1970-08-13T16:37:00Z", "ms": 19413420415.551582 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-08-13T02:45:29+08:00", "utc": "1970-08-12T18:45:29Z", "ms": 19334728767.00546 }, "end": { "local": "1970-08-14T00:37:00+08:00", "utc": "1970-08-13T16:37:00Z", "ms": 19413420415.551582 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-08-13", "window": { "start": { "local": "1970-08-13T05:34:12+08:00", "utc": "1970-08-12T21:34:12Z", "ms": 19344851944.046383 }, "end": { "local": "1970-08-13T05:34:12+08:00", "utc": "1970-08-12T21:34:12Z", "ms": 19344851944.046383 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-08-14", "window": { "start": { "local": "1970-08-14T05:34:40+08:00", "utc": "1970-08-13T21:34:40Z", "ms": 19431280211.472855 }, "end": { "local": "1970-08-14T05:34:40+08:00", "utc": "1970-08-13T21:34:40Z", "ms": 19431280211.472855 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 02:45 on Thu 13 Aug to 00:37 on Fri 14 Aug.", "fact": "1970-08-12T18:45:29Z → 1970-08-13T16:37:00Z" }, { "step": "kaala", "text": "Sunrise is at 05:34 on the 13th and 05:35 on the 14th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10123 s" }, { "step": "ruling", "text": "Putradā Ekādaśī, Fuzhou, 1970: Thursday 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": "1970-08-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Putradā Ekādaśī 1970 falls on Thursday 13 August. Ekādaśī runs from 02:45 on Thu 13 Aug to 00:37 on Fri 14 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-08-13", "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/1970/damodara-dvadashi", "festival": "damodara-dvadashi", "name": "Dāmodara Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33602, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1970-08-14T00:37:00+08:00", "utc": "1970-08-13T16:37:00Z", "ms": 19413420415.551582 }, "end": { "local": "1970-08-14T21:51:23+08:00", "utc": "1970-08-14T13:51:23Z", "ms": 19489882542.414513 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-08-14T00:37:00+08:00", "utc": "1970-08-13T16:37:00Z", "ms": 19413420415.551582 }, "end": { "local": "1970-08-14T21:51:23+08:00", "utc": "1970-08-14T13:51:23Z", "ms": 19489882542.414513 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-08-13", "window": { "start": { "local": "1970-08-13T11:43:31+08:00", "utc": "1970-08-13T03:43:31Z", "ms": 19367010824.024544 }, "end": { "local": "1970-08-13T12:31:31+08:00", "utc": "1970-08-13T04:31:31Z", "ms": 19369890824.024544 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-08-14", "window": { "start": { "local": "1970-08-14T11:43:20+08:00", "utc": "1970-08-14T03:43:20Z", "ms": 19453400046.92015 }, "end": { "local": "1970-08-14T12:31:20+08:00", "utc": "1970-08-14T04:31:20Z", "ms": 19456280046.92015 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 00:37 on Fri 14 Aug to 21:51 on Fri 14 Aug.", "fact": "1970-08-13T16:37:00Z → 1970-08-14T13:51:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 13th, 11:43–12:31 on the 14th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 33602 s" }, { "step": "ruling", "text": "Dāmodara Dvādaśī, Fuzhou, 1970: Friday 14 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": "1970-08-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Dāmodara Dvādaśī 1970 falls on Friday 14 August. Dvādaśī runs from 00:37 on Fri 14 Aug to 21:51 on Fri 14 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/pradosha-vrata?on=1970-08-14", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-14", "confidence": "boundary", "boundary_reasons": [ "margin", "absent-unstated" ], "boundary_margin_s": 161, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-08-14T21:51:23+08:00", "utc": "1970-08-14T13:51:23Z", "ms": 19489882542.414513 }, "end": { "local": "1970-08-15T18:36:28+08:00", "utc": "1970-08-15T10:36:28Z", "ms": 19564587863.8572 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-08-14T21:51:23+08:00", "utc": "1970-08-14T13:51:23Z", "ms": 19489882542.414513 }, "end": { "local": "1970-08-15T18:36:28+08:00", "utc": "1970-08-15T10:36:28Z", "ms": 19564587863.8572 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-08-14", "window": { "start": { "local": "1970-08-14T18:40:00+08:00", "utc": "1970-08-14T10:40:00Z", "ms": 19478399882.36745 }, "end": { "local": "1970-08-14T20:07:21+08:00", "utc": "1970-08-14T12:07:21Z", "ms": 19483641001.690792 } }, "covered_min": 0, "window_min": 87, "qualifies": false }, { "local_date": "1970-08-15", "window": { "start": { "local": "1970-08-15T18:39:09+08:00", "utc": "1970-08-15T10:39:09Z", "ms": 19564749154.8941 }, "end": { "local": "1970-08-15T20:06:41+08:00", "utc": "1970-08-15T12:06:41Z", "ms": 19570000753.133354 } }, "covered_min": 0, "window_min": 88, "qualifies": false } ], "decided_by": "tithi-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 21:51 on Fri 14 Aug to 18:36 on Sat 15 Aug.", "fact": "1970-08-14T13:51:23Z → 1970-08-15T10:36:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:07 on the 14th, 18:39–20:07 on the 15th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 87 minutes on the 14th and 0 of 88 on the 15th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Neither evening qualifies. The day the tithi falls on is taken.", "fact": "priority: unstated → tithi-day · margin 161 s < 300 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Friday 14 August.", "fact": "confidence: boundary (margin, absent-unstated)" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-15", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-14", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Friday 14 August. Trayodaśī runs from 21:51 on Fri 14 Aug to 18:36 on Sat 15 Aug, and reaches pradoṣa on neither day. It is 2 min 41 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-08-14", "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/1970/raksha-bandhana", "festival": "raksha-bandhana", "name": "Rakṣā Bandhana", "everyday": "Rakhi", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-17", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 16022, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-08-16T15:01:15+08:00", "utc": "1970-08-16T07:01:15Z", "ms": 19638075417.094887 }, "end": { "local": "1970-08-17T11:15:20+08:00", "utc": "1970-08-17T03:15:20Z", "ms": 19710920393.260998 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "second-half", "start": { "local": "1970-08-17T01:09:02+08:00", "utc": "1970-08-16T17:09:02Z", "ms": 19674541537.161804 }, "end": { "local": "1970-08-17T11:15:20+08:00", "utc": "1970-08-17T03:15:20Z", "ms": 19710920393.260998 } }, "kaala": "day", "days": [ { "local_date": "1970-08-16", "window": { "start": { "local": "1970-08-16T05:35:36+08:00", "utc": "1970-08-15T21:35:36Z", "ms": 19604136141.688503 }, "end": { "local": "1970-08-17T05:36:04+08:00", "utc": "1970-08-16T21:36:04Z", "ms": 19690563807.118725 } }, "covered_min": 267, "window_min": 1440, "qualifies": true }, { "local_date": "1970-08-17", "window": { "start": { "local": "1970-08-17T05:36:04+08:00", "utc": "1970-08-16T21:36:04Z", "ms": 19690563807.118725 }, "end": { "local": "1970-08-18T05:36:31+08:00", "utc": "1970-08-17T21:36:31Z", "ms": 19776991278.004936 } }, "covered_min": 339, "window_min": 1440, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:01 on Sun 16 Aug to 11:15 on Mon 17 Aug. Its second half begins at 01:09 on Mon 17 Aug.", "fact": "1970-08-16T07:01:15Z → 1970-08-17T03:15:20Z · second half from 1970-08-16T17:09:02Z" }, { "step": "kaala", "text": "The day runs from sunrise to the next sunrise: from 05:36 on the 16th, and from 05:36 on the 17th.", "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 267 of 1440 minutes on the 16th and 339 of 1440 on the 17th.", "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 16022 s" }, { "step": "ruling", "text": "Rakṣā Bandhana, Fuzhou, 1970: Monday 17 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": "1970-08-17", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-17", "confidence": "boundary" } ], "quote": "In Fuzhou, Rakṣā Bandhana (Rakhi) 1970 falls on Monday 17 August. The second half of Pūrṇimā runs from 01:09 on Mon 17 Aug to 11:15 on Mon 17 Aug and falls on two days: 339 minutes of it on the 17th, 267 on the 16th; 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/1970/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/1970/rishi-tarpana", "festival": "rishi-tarpana", "name": "Ṛṣi Tarpaṇa", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-17", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1644, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-08-16T15:01:15+08:00", "utc": "1970-08-16T07:01:15Z", "ms": 19638075417.094887 }, "end": { "local": "1970-08-17T11:15:20+08:00", "utc": "1970-08-17T03:15:20Z", "ms": 19710920393.260998 }, "month": { "amanta": 4, "purnimanta": 4, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Śrāvaṇa" } }, "span": { "of": "tithi", "start": { "local": "1970-08-16T15:01:15+08:00", "utc": "1970-08-16T07:01:15Z", "ms": 19638075417.094887 }, "end": { "local": "1970-08-17T11:15:20+08:00", "utc": "1970-08-17T03:15:20Z", "ms": 19710920393.260998 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-08-16", "window": { "start": { "local": "1970-08-16T11:42:57+08:00", "utc": "1970-08-16T03:42:57Z", "ms": 19626176844.152153 }, "end": { "local": "1970-08-16T12:30:57+08:00", "utc": "1970-08-16T04:30:57Z", "ms": 19629056844.152153 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-08-17", "window": { "start": { "local": "1970-08-17T11:42:44+08:00", "utc": "1970-08-17T03:42:44Z", "ms": 19712564445.115013 }, "end": { "local": "1970-08-17T12:30:44+08:00", "utc": "1970-08-17T04:30:44Z", "ms": 19715444445.115013 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 15:01 on Sun 16 Aug to 11:15 on Mon 17 Aug.", "fact": "1970-08-16T07:01:15Z → 1970-08-17T03:15:20Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 16th, 11:43–12:31 on the 17th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 0 of 48 on the 17th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 1644 s" }, { "step": "ruling", "text": "Ṛṣi Tarpaṇa, Fuzhou, 1970: Monday 17 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": "1970-08-17", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-17", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Tarpaṇa 1970 falls on Monday 17 August. Pūrṇimā runs from 15:01 on Sun 16 Aug to 11:15 on Mon 17 Aug, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ashunya-shayana-vrata", "festival": "ashunya-shayana-vrata", "name": "Aśūnya Śayana Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30040, "anga": { "type": "tithi", "index": 16, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1970-08-18T07:28:31+08:00", "utc": "1970-08-17T23:28:31Z", "ms": 19783710991.41501 }, "end": { "local": "1970-08-19T03:50:30+08:00", "utc": "1970-08-18T19:50:30Z", "ms": 19857029769.100433 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-18T07:28:31+08:00", "utc": "1970-08-17T23:28:31Z", "ms": 19783710991.41501 }, "end": { "local": "1970-08-19T03:50:30+08:00", "utc": "1970-08-18T19:50:30Z", "ms": 19857029769.100433 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-08-17", "window": { "start": { "local": "1970-08-17T18:51:40+08:00", "utc": "1970-08-17T10:51:40Z", "ms": 19738300101.461506 }, "end": { "local": "1970-08-17T18:51:40+08:00", "utc": "1970-08-17T10:51:40Z", "ms": 19738300101.461506 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-08-18", "window": { "start": { "local": "1970-08-18T19:29:50+08:00", "utc": "1970-08-18T11:29:50Z", "ms": 19826989881.703968 }, "end": { "local": "1970-08-18T19:29:50+08:00", "utc": "1970-08-18T11:29:50Z", "ms": 19826989881.703968 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 07:29 on Tue 18 Aug to 03:50 on Wed 19 Aug.", "fact": "1970-08-17T23:28:31Z → 1970-08-18T19:50:30Z" }, { "step": "kaala", "text": "Moonrise is at 18:52 on the 17th and 19:30 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Dvitīyā must be current at moonrise. It is not on the 17th and is on the 18th.", "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 30040 s" }, { "step": "ruling", "text": "Aśūnya Śayana Vrata, Fuzhou, 1970: Tuesday 18 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ashunya-shayana-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)." } ], "kaala": "moonrise", "priority": "paraviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Aśūnya Śayana Vrata 1970 falls on Tuesday 18 August. Dvitīyā runs from 07:29 on Tue 18 Aug to 03:50 on Wed 19 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/kajjali-tritiya", "festival": "kajjali-tritiya", "name": "Kajjalī Tṛtīyā", "everyday": "Kajari Teej", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-19", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28308, "anga": { "type": "tithi", "index": 17, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1970-08-19T03:50:30+08:00", "utc": "1970-08-18T19:50:30Z", "ms": 19857029769.100433 }, "end": { "local": "1970-08-20T00:30:36+08:00", "utc": "1970-08-19T16:30:36Z", "ms": 19931436111.6061 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-19T03:50:30+08:00", "utc": "1970-08-18T19:50:30Z", "ms": 19857029769.100433 }, "end": { "local": "1970-08-20T00:30:36+08:00", "utc": "1970-08-19T16:30:36Z", "ms": 19931436111.6061 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-08-19", "window": { "start": { "local": "1970-08-19T11:42:18+08:00", "utc": "1970-08-19T03:42:18Z", "ms": 19885338127.059822 }, "end": { "local": "1970-08-19T12:30:18+08:00", "utc": "1970-08-19T04:30:18Z", "ms": 19888218127.059822 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-08-20", "window": { "start": { "local": "1970-08-20T11:42:04+08:00", "utc": "1970-08-20T03:42:04Z", "ms": 19971724239.895744 }, "end": { "local": "1970-08-20T12:30:04+08:00", "utc": "1970-08-20T04:30:04Z", "ms": 19974604239.895744 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 03:50 on Wed 19 Aug to 00:31 on Thu 20 Aug.", "fact": "1970-08-18T19:50:30Z → 1970-08-19T16:30:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 19th, 11:42–12:30 on the 20th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā 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. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 28308 s" }, { "step": "ruling", "text": "Kajjalī Tṛtīyā, Fuzhou, 1970: Wednesday 19 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kajjali-tritiya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-19", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-19", "confidence": "determinate" } ], "quote": "In Fuzhou, Kajjalī Tṛtīyā (Kajari Teej) 1970 falls on Wednesday 19 August. Tṛtīyā runs from 03:50 on Wed 19 Aug to 00:31 on Thu 20 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/bahula-chaturthi", "festival": "bahula-chaturthi", "name": "Bahulā Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10964, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-08-20T00:30:36+08:00", "utc": "1970-08-19T16:30:36Z", "ms": 19931436111.6061 }, "end": { "local": "1970-08-20T21:37:27+08:00", "utc": "1970-08-20T13:37:27Z", "ms": 20007446564.050476 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-20T00:30:36+08:00", "utc": "1970-08-19T16:30:36Z", "ms": 19931436111.6061 }, "end": { "local": "1970-08-20T21:37:27+08:00", "utc": "1970-08-20T13:37:27Z", "ms": 20007446564.050476 } }, "kaala": "sayahna", "days": [ { "local_date": "1970-08-19", "window": { "start": { "local": "1970-08-19T15:59:54+08:00", "utc": "1970-08-19T07:59:54Z", "ms": 19900793867.25497 }, "end": { "local": "1970-08-19T18:35:38+08:00", "utc": "1970-08-19T10:35:38Z", "ms": 19910137694.051735 } }, "covered_min": 0, "window_min": 156, "qualifies": false }, { "local_date": "1970-08-20", "window": { "start": { "local": "1970-08-20T15:59:15+08:00", "utc": "1970-08-20T07:59:15Z", "ms": 19987155388.16092 }, "end": { "local": "1970-08-20T18:34:43+08:00", "utc": "1970-08-20T10:34:43Z", "ms": 19996482820.337704 } }, "covered_min": 155, "window_min": 155, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:31 on Thu 20 Aug to 21:37 on Thu 20 Aug.", "fact": "1970-08-19T16:30:36Z → 1970-08-20T13:37:27Z" }, { "step": "kaala", "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:00–18:36 on the 19th, 15:59–18:35 on the 20th.", "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī must be present during sāyāhna. It covers 0 of 156 minutes on the 19th and 155 of 155 on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one late afternoon qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 10964 s" }, { "step": "ruling", "text": "Bahulā Caturthī, Fuzhou, 1970: Thursday 20 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "bahula-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)." } ], "kaala": "sayahna", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Bahulā Caturthī 1970 falls on Thursday 20 August. Caturthī runs from 00:31 on Thu 20 Aug to 21:37 on Thu 20 Aug and covers all of sāyāhna that late afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-08-20", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3357, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-08-20T00:30:36+08:00", "utc": "1970-08-19T16:30:36Z", "ms": 19931436111.6061 }, "end": { "local": "1970-08-20T21:37:27+08:00", "utc": "1970-08-20T13:37:27Z", "ms": 20007446564.050476 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-20T00:30:36+08:00", "utc": "1970-08-19T16:30:36Z", "ms": 19931436111.6061 }, "end": { "local": "1970-08-20T21:37:27+08:00", "utc": "1970-08-20T13:37:27Z", "ms": 20007446564.050476 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-08-19", "window": { "start": { "local": "1970-08-19T20:05:52+08:00", "utc": "1970-08-19T12:05:52Z", "ms": 19915551744.657135 }, "end": { "local": "1970-08-19T20:05:52+08:00", "utc": "1970-08-19T12:05:52Z", "ms": 19915551744.657135 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-08-20", "window": { "start": { "local": "1970-08-20T20:41:30+08:00", "utc": "1970-08-20T12:41:30Z", "ms": 20004089570.322437 }, "end": { "local": "1970-08-20T20:41:30+08:00", "utc": "1970-08-20T12:41:30Z", "ms": 20004089570.322437 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 00:31 on Thu 20 Aug to 21:37 on Thu 20 Aug.", "fact": "1970-08-19T16:30:36Z → 1970-08-20T13:37:27Z" }, { "step": "kaala", "text": "Moonrise is at 20:06 on the 19th and 20:41 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 19th and is on the 20th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3357 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Thursday 20 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": "1970-08-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Thursday 20 August. Caturthī runs from 00:31 on Thu 20 Aug to 21:37 on Thu 20 Aug and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-08-20", "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/1970/hala-shashthi", "festival": "hala-shashthi", "name": "Hala Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 18608, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1970-08-21T19:18:31+08:00", "utc": "1970-08-21T11:18:31Z", "ms": 20085510755.906284 }, "end": { "local": "1970-08-22T17:39:43+08:00", "utc": "1970-08-22T09:39:43Z", "ms": 20165982606.433456 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-21T19:18:31+08:00", "utc": "1970-08-21T11:18:31Z", "ms": 20085510755.906284 }, "end": { "local": "1970-08-22T17:39:43+08:00", "utc": "1970-08-22T09:39:43Z", "ms": 20165982606.433456 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-08-21", "window": { "start": { "local": "1970-08-21T11:41:50+08:00", "utc": "1970-08-21T03:41:50Z", "ms": 20058109888.321068 }, "end": { "local": "1970-08-21T12:29:50+08:00", "utc": "1970-08-21T04:29:50Z", "ms": 20060989888.321068 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-08-22", "window": { "start": { "local": "1970-08-22T11:41:35+08:00", "utc": "1970-08-22T03:41:35Z", "ms": 20144495087.36119 }, "end": { "local": "1970-08-22T12:29:35+08:00", "utc": "1970-08-22T04:29:35Z", "ms": 20147375087.36119 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 19:19 on Fri 21 Aug to 17:40 on Sat 22 Aug.", "fact": "1970-08-21T11:18:31Z → 1970-08-22T09:39:43Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 21st, 11:42–12:30 on the 22nd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 18608 s" }, { "step": "ruling", "text": "Hala Ṣaṣṭhī, Fuzhou, 1970: Saturday 22 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "hala-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Hala sasthi (paraviddha)." } ], "kaala": "madhyahna", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Hala Ṣaṣṭhī 1970 falls on Saturday 22 August. Ṣaṣṭhī runs from 19:19 on Fri 21 Aug to 17:40 on Sat 22 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/janmashtami", "festival": "janmashtami", "name": "Janmāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25004, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-08-23T16:44:49+08:00", "utc": "1970-08-23T08:44:49Z", "ms": 20249089471.038445 }, "end": { "local": "1970-08-24T16:35:05+08:00", "utc": "1970-08-24T08:35:05Z", "ms": 20334905352.49513 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-23T16:44:49+08:00", "utc": "1970-08-23T08:44:49Z", "ms": 20249089471.038445 }, "end": { "local": "1970-08-24T16:35:05+08:00", "utc": "1970-08-24T08:35:05Z", "ms": 20334905352.49513 } }, "kaala": "nishita", "days": [ { "local_date": "1970-08-23", "window": { "start": { "local": "1970-08-23T23:41:33+08:00", "utc": "1970-08-23T15:41:33Z", "ms": 20274093059.856033 }, "end": { "local": "1970-08-24T00:29:33+08:00", "utc": "1970-08-23T16:29:33Z", "ms": 20276973059.856033 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-08-24", "window": { "start": { "local": "1970-08-24T23:41:17+08:00", "utc": "1970-08-24T15:41:17Z", "ms": 20360477320.961693 }, "end": { "local": "1970-08-25T00:29:17+08:00", "utc": "1970-08-24T16:29:17Z", "ms": 20363357320.961693 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 16:45 on Sun 23 Aug to 16:35 on Mon 24 Aug.", "fact": "1970-08-23T08:44:49Z → 1970-08-24T08:35:05Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 23rd, 23:41–00:29 on the 24th.", "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 23rd and 0 of 48 on the 24th.", "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 25004 s" }, { "step": "ruling", "text": "Janmāṣṭamī, Fuzhou, 1970: Sunday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "janmashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami." } ], "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.", "kaala": "nishita", "priority": "paraviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Janmāṣṭamī 1970 falls on Sunday 23 August. Aṣṭamī runs from 16:45 on Sun 23 Aug to 16:35 on Mon 24 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/shitala-saptami", "festival": "shitala-saptami", "name": "Śītalā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-23", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15330, "anga": { "type": "tithi", "index": 21, "key": "saptami", "name": "Saptamī", "start": { "local": "1970-08-22T17:39:43+08:00", "utc": "1970-08-22T09:39:43Z", "ms": 20165982606.433456 }, "end": { "local": "1970-08-23T16:44:49+08:00", "utc": "1970-08-23T08:44:49Z", "ms": 20249089471.038445 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-22T17:39:43+08:00", "utc": "1970-08-22T09:39:43Z", "ms": 20165982606.433456 }, "end": { "local": "1970-08-23T16:44:49+08:00", "utc": "1970-08-23T08:44:49Z", "ms": 20249089471.038445 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-08-22", "window": { "start": { "local": "1970-08-22T11:41:35+08:00", "utc": "1970-08-22T03:41:35Z", "ms": 20144495087.36119 }, "end": { "local": "1970-08-22T12:29:35+08:00", "utc": "1970-08-22T04:29:35Z", "ms": 20147375087.36119 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-08-23", "window": { "start": { "local": "1970-08-23T11:41:20+08:00", "utc": "1970-08-23T03:41:20Z", "ms": 20230879851.286816 }, "end": { "local": "1970-08-23T12:29:20+08:00", "utc": "1970-08-23T04:29:20Z", "ms": 20233759851.286816 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 17:40 on Sat 22 Aug to 16:45 on Sun 23 Aug.", "fact": "1970-08-22T09:39:43Z → 1970-08-23T08:44:49Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 22nd, 11:41–12:29 on the 23rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 15330 s" }, { "step": "ruling", "text": "Śītalā Saptamī, Fuzhou, 1970: Sunday 23 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shitala-saptami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 7 Sitala saptami (purvaviddha)." } ], "kaala": "madhyahna", "priority": "purvaviddha", "when_absent": "second-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-23", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-23", "confidence": "determinate" } ], "quote": "In Fuzhou, Śītalā Saptamī 1970 falls on Sunday 23 August. Saptamī runs from 17:40 on Sat 22 Aug to 16:45 on Sun 23 Aug and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-08-27", "festival": "ekadashi", "name": "Ajā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 34360, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-08-26T18:22:09+08:00", "utc": "1970-08-26T10:22:09Z", "ms": 20514129159.655666 }, "end": { "local": "1970-08-27T20:08:17+08:00", "utc": "1970-08-27T12:08:17Z", "ms": 20606896561.60105 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-26T18:22:09+08:00", "utc": "1970-08-26T10:22:09Z", "ms": 20514129159.655666 }, "end": { "local": "1970-08-27T20:08:17+08:00", "utc": "1970-08-27T12:08:17Z", "ms": 20606896561.60105 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-08-27", "window": { "start": { "local": "1970-08-27T05:40:31+08:00", "utc": "1970-08-26T21:40:31Z", "ms": 20554830616.673615 }, "end": { "local": "1970-08-27T05:40:31+08:00", "utc": "1970-08-26T21:40:31Z", "ms": 20554830616.673615 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-08-28", "window": { "start": { "local": "1970-08-28T05:40:56+08:00", "utc": "1970-08-27T21:40:56Z", "ms": 20641256397.269928 }, "end": { "local": "1970-08-28T05:40:56+08:00", "utc": "1970-08-27T21:40:56Z", "ms": 20641256397.269928 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 18:22 on Wed 26 Aug to 20:08 on Thu 27 Aug.", "fact": "1970-08-26T10:22:09Z → 1970-08-27T12:08:17Z" }, { "step": "kaala", "text": "Sunrise is at 05:41 on the 27th and 05:41 on the 28th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not 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 34360 s" }, { "step": "ruling", "text": "Ajā Ekādaśī, Fuzhou, 1970: Thursday 27 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": "1970-08-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Ajā Ekādaśī 1970 falls on Thursday 27 August. Ekādaśī runs from 18:22 on Wed 26 Aug to 20:08 on Thu 27 Aug and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-08-27", "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/1970/pradosha-vrata?on=1970-08-29", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8555, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-08-28T22:19:29+08:00", "utc": "1970-08-28T14:19:29Z", "ms": 20701168869.270683 }, "end": { "local": "1970-08-30T00:47:24+08:00", "utc": "1970-08-29T16:47:24Z", "ms": 20796444010.063232 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-28T22:19:29+08:00", "utc": "1970-08-28T14:19:29Z", "ms": 20701168869.270683 }, "end": { "local": "1970-08-30T00:47:24+08:00", "utc": "1970-08-29T16:47:24Z", "ms": 20796444010.063232 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-08-28", "window": { "start": { "local": "1970-08-28T18:26:59+08:00", "utc": "1970-08-28T10:26:59Z", "ms": 20687218817.45675 }, "end": { "local": "1970-08-28T19:56:54+08:00", "utc": "1970-08-28T11:56:54Z", "ms": 20692613911.797302 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1970-08-29", "window": { "start": { "local": "1970-08-29T18:25:58+08:00", "utc": "1970-08-29T10:25:58Z", "ms": 20773558046.210796 }, "end": { "local": "1970-08-29T19:56:05+08:00", "utc": "1970-08-29T11:56:05Z", "ms": 20778964640.44613 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:19 on Fri 28 Aug to 00:47 on Sun 30 Aug.", "fact": "1970-08-28T14:19:29Z → 1970-08-29T16:47:24Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–19:57 on the 28th, 18:26–19:56 on the 29th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 28th and 90 of 90 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 8555 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Saturday 29 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": "1970-08-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Saturday 29 August. Trayodaśī runs from 22:19 on Fri 28 Aug to 00:47 on Sun 30 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-08-29", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/aghora-chaturdashi", "festival": "aghora-chaturdashi", "name": "Aghora Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17479, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-08-30T00:47:24+08:00", "utc": "1970-08-29T16:47:24Z", "ms": 20796444010.063232 }, "end": { "local": "1970-08-31T03:23:51+08:00", "utc": "1970-08-30T19:23:51Z", "ms": 20892230722.05397 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-30T00:47:24+08:00", "utc": "1970-08-29T16:47:24Z", "ms": 20796444010.063232 }, "end": { "local": "1970-08-31T03:23:51+08:00", "utc": "1970-08-30T19:23:51Z", "ms": 20892230722.05397 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-08-29", "window": { "start": { "local": "1970-08-29T18:25:58+08:00", "utc": "1970-08-29T10:25:58Z", "ms": 20773558046.210796 }, "end": { "local": "1970-08-29T19:56:05+08:00", "utc": "1970-08-29T11:56:05Z", "ms": 20778964640.44613 } }, "covered_min": 0, "window_min": 90, "qualifies": false }, { "local_date": "1970-08-30", "window": { "start": { "local": "1970-08-30T18:24:57+08:00", "utc": "1970-08-30T10:24:57Z", "ms": 20859896736.072536 }, "end": { "local": "1970-08-30T19:55:15+08:00", "utc": "1970-08-30T11:55:15Z", "ms": 20865314882.550762 } }, "covered_min": 90, "window_min": 90, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:47 on Sun 30 Aug to 03:24 on Mon 31 Aug.", "fact": "1970-08-29T16:47:24Z → 1970-08-30T19:23:51Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–19:56 on the 29th, 18:25–19:55 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 29th and 90 of 90 on the 30th.", "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 17479 s" }, { "step": "ruling", "text": "Aghora Caturdaśī, Fuzhou, 1970: Sunday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "aghora-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Aghora caturdasi (pradosa vyapini)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Aghora Caturdaśī 1970 falls on Sunday 30 August. Caturdaśī runs from 00:47 on Sun 30 Aug to 03:24 on Mon 31 Aug and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/shivaratri?on=1970-08-30", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-08-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1171, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-08-30T00:47:24+08:00", "utc": "1970-08-29T16:47:24Z", "ms": 20796444010.063232 }, "end": { "local": "1970-08-31T03:23:51+08:00", "utc": "1970-08-30T19:23:51Z", "ms": 20892230722.05397 }, "month": { "amanta": 4, "purnimanta": 5, "adhika": false, "amanta_name": "Śrāvaṇa", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-08-30T00:47:24+08:00", "utc": "1970-08-29T16:47:24Z", "ms": 20796444010.063232 }, "end": { "local": "1970-08-31T03:23:51+08:00", "utc": "1970-08-30T19:23:51Z", "ms": 20892230722.05397 } }, "kaala": "nishita", "days": [ { "local_date": "1970-08-29", "window": { "start": { "local": "1970-08-29T23:39:53+08:00", "utc": "1970-08-29T15:39:53Z", "ms": 20792392774.593292 }, "end": { "local": "1970-08-30T00:27:53+08:00", "utc": "1970-08-29T16:27:53Z", "ms": 20795272774.593292 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-08-30", "window": { "start": { "local": "1970-08-30T23:39:35+08:00", "utc": "1970-08-30T15:39:35Z", "ms": 20878774785.365883 }, "end": { "local": "1970-08-31T00:27:35+08:00", "utc": "1970-08-30T16:27:35Z", "ms": 20881654785.365883 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 00:47 on Sun 30 Aug to 03:24 on Mon 31 Aug.", "fact": "1970-08-29T16:47:24Z → 1970-08-30T19:23:51Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 29th, 23:40–00:28 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during niśītha. It covers 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. 108" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 1171 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Sunday 30 August.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "shivaratri", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)." } ], "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.", "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-08-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-08-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Sunday 30 August. Caturdaśī runs from 00:47 on Sun 30 Aug to 03:24 on Mon 31 Aug and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-08-30", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/rudra-vrata", "festival": "rudra-vrata", "name": "Rudra Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11154, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1970-09-01T06:01:13+08:00", "utc": "1970-08-31T22:01:13Z", "ms": 20988072635.979267 }, "end": { "local": "1970-09-02T08:32:33+08:00", "utc": "1970-09-02T00:32:33Z", "ms": 21083552707.707405 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-01T06:01:13+08:00", "utc": "1970-08-31T22:01:13Z", "ms": 20988072635.979267 }, "end": { "local": "1970-09-02T08:32:33+08:00", "utc": "1970-09-02T00:32:33Z", "ms": 21083552707.707405 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-01", "window": { "start": { "local": "1970-09-01T11:38:45+08:00", "utc": "1970-09-01T03:38:45Z", "ms": 21008325307.23893 }, "end": { "local": "1970-09-01T12:26:45+08:00", "utc": "1970-09-01T04:26:45Z", "ms": 21011205307.23893 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-09-02", "window": { "start": { "local": "1970-09-02T11:38:26+08:00", "utc": "1970-09-02T03:38:26Z", "ms": 21094706438.150204 }, "end": { "local": "1970-09-02T12:26:26+08:00", "utc": "1970-09-02T04:26:26Z", "ms": 21097586438.150204 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 06:01 on Tue 1 Sep to 08:33 on Wed 2 Sep.", "fact": "1970-08-31T22:01:13Z → 1970-09-02T00:32:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 1st, 11:38–12:26 on the 2nd.", "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 1st and 0 of 48 on the 2nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 11154 s" }, { "step": "ruling", "text": "Rudra Vrata, Fuzhou, 1970: Tuesday 1 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": "1970-09-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Rudra Vrata 1970 falls on Tuesday 1 September. Pratipadā runs from 06:01 on Tue 1 Sep to 08:33 on Wed 2 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/haritalika-vrata", "festival": "haritalika-vrata", "name": "Haritālikā Vrata", "everyday": "Hartalika Teej", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1553, "anga": { "type": "tithi", "index": 2, "key": "tritiya", "name": "Tṛtīyā", "start": { "local": "1970-09-03T10:51:24+08:00", "utc": "1970-09-03T02:51:24Z", "ms": 21178284477.806168 }, "end": { "local": "1970-09-04T12:51:40+08:00", "utc": "1970-09-04T04:51:40Z", "ms": 21271900418.44845 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-03T10:51:24+08:00", "utc": "1970-09-03T02:51:24Z", "ms": 21178284477.806168 }, "end": { "local": "1970-09-04T12:51:40+08:00", "utc": "1970-09-04T04:51:40Z", "ms": 21271900418.44845 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-03", "window": { "start": { "local": "1970-09-03T11:38:07+08:00", "utc": "1970-09-03T03:38:07Z", "ms": 21181087279.033863 }, "end": { "local": "1970-09-03T12:26:07+08:00", "utc": "1970-09-03T04:26:07Z", "ms": 21183967279.033863 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-09-04", "window": { "start": { "local": "1970-09-04T11:37:48+08:00", "utc": "1970-09-04T03:37:48Z", "ms": 21267467844.31074 }, "end": { "local": "1970-09-04T12:25:48+08:00", "utc": "1970-09-04T04:25:48Z", "ms": 21270347844.31074 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Tṛtīyā runs from 10:51 on Thu 3 Sep to 12:52 on Fri 4 Sep.", "fact": "1970-09-03T02:51:24Z → 1970-09-04T04:51:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 3rd, 11:38–12:26 on the 4th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Both middays qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 1553 s" }, { "step": "ruling", "text": "Haritālikā Vrata, Fuzhou, 1970: Friday 4 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": "1970-09-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Haritālikā Vrata (Hartalika Teej) 1970 falls on Friday 4 September. Tṛtīyā runs from 10:51 on Thu 3 Sep to 12:52 on Fri 4 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ganesha-chaturthi", "festival": "ganesha-chaturthi", "name": "Gaṇeśa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1553, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-09-04T12:51:40+08:00", "utc": "1970-09-04T04:51:40Z", "ms": 21271900418.44845 }, "end": { "local": "1970-09-05T14:27:27+08:00", "utc": "1970-09-05T06:27:27Z", "ms": 21364047244.608593 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-04T12:51:40+08:00", "utc": "1970-09-04T04:51:40Z", "ms": 21271900418.44845 }, "end": { "local": "1970-09-05T14:27:27+08:00", "utc": "1970-09-05T06:27:27Z", "ms": 21364047244.608593 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-04", "window": { "start": { "local": "1970-09-04T11:37:48+08:00", "utc": "1970-09-04T03:37:48Z", "ms": 21267467844.31074 }, "end": { "local": "1970-09-04T12:25:48+08:00", "utc": "1970-09-04T04:25:48Z", "ms": 21270347844.31074 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-09-05", "window": { "start": { "local": "1970-09-05T11:37:28+08:00", "utc": "1970-09-05T03:37:28Z", "ms": 21353848148.834972 }, "end": { "local": "1970-09-05T12:25:28+08:00", "utc": "1970-09-05T04:25:28Z", "ms": 21356728148.834972 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:52 on Fri 4 Sep to 14:27 on Sat 5 Sep.", "fact": "1970-09-04T04:51:40Z → 1970-09-05T06:27:27Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 4th, 11:37–12:25 on the 5th.", "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 4th and 48 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 1553 s" }, { "step": "ruling", "text": "Gaṇeśa Caturthī, Fuzhou, 1970: Saturday 5 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": "1970-09-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Gaṇeśa Caturthī 1970 falls on Saturday 5 September. Caturthī runs from 12:52 on Fri 4 Sep to 14:27 on Sat 5 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/rishi-panchami", "festival": "rishi-panchami", "name": "Ṛṣi Pañcamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7319, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1970-09-05T14:27:27+08:00", "utc": "1970-09-05T06:27:27Z", "ms": 21364047244.608593 }, "end": { "local": "1970-09-06T15:33:14+08:00", "utc": "1970-09-06T07:33:14Z", "ms": 21454394268.219723 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-05T14:27:27+08:00", "utc": "1970-09-05T06:27:27Z", "ms": 21364047244.608593 }, "end": { "local": "1970-09-06T15:33:14+08:00", "utc": "1970-09-06T07:33:14Z", "ms": 21454394268.219723 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-05", "window": { "start": { "local": "1970-09-05T11:37:28+08:00", "utc": "1970-09-05T03:37:28Z", "ms": 21353848148.834972 }, "end": { "local": "1970-09-05T12:25:28+08:00", "utc": "1970-09-05T04:25:28Z", "ms": 21356728148.834972 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-09-06", "window": { "start": { "local": "1970-09-06T11:37:08+08:00", "utc": "1970-09-06T03:37:08Z", "ms": 21440228207.91851 }, "end": { "local": "1970-09-06T12:25:08+08:00", "utc": "1970-09-06T04:25:08Z", "ms": 21443108207.91851 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 14:27 on Sat 5 Sep to 15:33 on Sun 6 Sep.", "fact": "1970-09-05T06:27:27Z → 1970-09-06T07:33:14Z" }, { "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": "Pañcamī 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: disputed → only-day · margin 7319 s" }, { "step": "ruling", "text": "Ṛṣi Pañcamī, Fuzhou, 1970: Sunday 6 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": "1970-09-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Ṛṣi Pañcamī 1970 falls on Sunday 6 September. Pañcamī runs from 14:27 on Sat 5 Sep to 15:33 on Sun 6 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/surya-shashthi-bhadrapada", "festival": "surya-shashthi-bhadrapada", "name": "Sūrya Ṣaṣṭhī (Bhādrapada)", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11286, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1970-09-06T15:33:14+08:00", "utc": "1970-09-06T07:33:14Z", "ms": 21454394268.219723 }, "end": { "local": "1970-09-07T16:04:15+08:00", "utc": "1970-09-07T08:04:15Z", "ms": 21542655058.543278 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-06T15:33:14+08:00", "utc": "1970-09-06T07:33:14Z", "ms": 21454394268.219723 }, "end": { "local": "1970-09-07T16:04:15+08:00", "utc": "1970-09-07T08:04:15Z", "ms": 21542655058.543278 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-06", "window": { "start": { "local": "1970-09-06T11:37:08+08:00", "utc": "1970-09-06T03:37:08Z", "ms": 21440228207.91851 }, "end": { "local": "1970-09-06T12:25:08+08:00", "utc": "1970-09-06T04:25:08Z", "ms": 21443108207.91851 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-09-07", "window": { "start": { "local": "1970-09-07T11:36:48+08:00", "utc": "1970-09-07T03:36:48Z", "ms": 21526608037.46559 }, "end": { "local": "1970-09-07T12:24:48+08:00", "utc": "1970-09-07T04:24:48Z", "ms": 21529488037.46559 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 15:33 on Sun 6 Sep to 16:04 on Mon 7 Sep.", "fact": "1970-09-06T07:33:14Z → 1970-09-07T08:04:15Z" }, { "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": "Ṣaṣṭhī 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: paraviddha → only-day · margin 11286 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Fuzhou, 1970: Monday 7 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": "1970-09-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Bhādrapada) 1970 falls on Monday 7 September. Ṣaṣṭhī runs from 15:33 on Sun 6 Sep to 16:04 on Mon 7 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/muktabharana-vrata", "festival": "muktabharana-vrata", "name": "Muktābharaṇa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12749, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1970-09-07T16:04:15+08:00", "utc": "1970-09-07T08:04:15Z", "ms": 21542655058.543278 }, "end": { "local": "1970-09-08T15:56:57+08:00", "utc": "1970-09-08T07:56:57Z", "ms": 21628616900.45377 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-07T16:04:15+08:00", "utc": "1970-09-07T08:04:15Z", "ms": 21542655058.543278 }, "end": { "local": "1970-09-08T15:56:57+08:00", "utc": "1970-09-08T07:56:57Z", "ms": 21628616900.45377 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-07", "window": { "start": { "local": "1970-09-07T11:36:48+08:00", "utc": "1970-09-07T03:36:48Z", "ms": 21526608037.46559 }, "end": { "local": "1970-09-07T12:24:48+08:00", "utc": "1970-09-07T04:24:48Z", "ms": 21529488037.46559 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-09-08", "window": { "start": { "local": "1970-09-08T11:36:28+08:00", "utc": "1970-09-08T03:36:28Z", "ms": 21612987653.935814 }, "end": { "local": "1970-09-08T12:24:28+08:00", "utc": "1970-09-08T04:24:28Z", "ms": 21615867653.935814 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 16:04 on Mon 7 Sep to 15:57 on Tue 8 Sep.", "fact": "1970-09-07T08:04:15Z → 1970-09-08T07:56:57Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 7th, 11:36–12:24 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12749 s" }, { "step": "ruling", "text": "Muktābharaṇa Vrata, Fuzhou, 1970: Tuesday 8 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": "1970-09-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Muktābharaṇa Vrata 1970 falls on Tuesday 8 September. Saptamī runs from 16:04 on Mon 7 Sep to 15:57 on Tue 8 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/radhashtami", "festival": "radhashtami", "name": "Rādhāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9922, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-09-08T15:56:57+08:00", "utc": "1970-09-08T07:56:57Z", "ms": 21628616900.45377 }, "end": { "local": "1970-09-09T15:09:29+08:00", "utc": "1970-09-09T07:09:29Z", "ms": 21712169212.02901 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-08T15:56:57+08:00", "utc": "1970-09-08T07:56:57Z", "ms": 21628616900.45377 }, "end": { "local": "1970-09-09T15:09:29+08:00", "utc": "1970-09-09T07:09:29Z", "ms": 21712169212.02901 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-08", "window": { "start": { "local": "1970-09-08T11:36:28+08:00", "utc": "1970-09-08T03:36:28Z", "ms": 21612987653.935814 }, "end": { "local": "1970-09-08T12:24:28+08:00", "utc": "1970-09-08T04:24:28Z", "ms": 21615867653.935814 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-09-09", "window": { "start": { "local": "1970-09-09T11:36:07+08:00", "utc": "1970-09-09T03:36:07Z", "ms": 21699367074.47547 }, "end": { "local": "1970-09-09T12:24:07+08:00", "utc": "1970-09-09T04:24:07Z", "ms": 21702247074.47547 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 15:57 on Tue 8 Sep to 15:09 on Wed 9 Sep.", "fact": "1970-09-08T07:56:57Z → 1970-09-09T07:09:29Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 8th, 11:36–12:24 on the 9th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9922 s" }, { "step": "ruling", "text": "Rādhāṣṭamī, Fuzhou, 1970: Wednesday 9 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": "1970-09-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Rādhāṣṭamī 1970 falls on Wednesday 9 September. Aṣṭamī runs from 15:57 on Tue 8 Sep to 15:09 on Wed 9 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-09-12", "festival": "ekadashi", "name": "Parivartanī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11476, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-09-11T11:36:55+08:00", "utc": "1970-09-11T03:36:55Z", "ms": 21872214916.535656 }, "end": { "local": "1970-09-12T08:58:23+08:00", "utc": "1970-09-12T00:58:23Z", "ms": 21949103064.649677 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-11T11:36:55+08:00", "utc": "1970-09-11T03:36:55Z", "ms": 21872214916.535656 }, "end": { "local": "1970-09-12T08:58:23+08:00", "utc": "1970-09-12T00:58:23Z", "ms": 21949103064.649677 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-09-11", "window": { "start": { "local": "1970-09-11T05:46:43+08:00", "utc": "1970-09-10T21:46:43Z", "ms": 21851203363.837612 }, "end": { "local": "1970-09-11T05:46:43+08:00", "utc": "1970-09-10T21:46:43Z", "ms": 21851203363.837612 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-09-12", "window": { "start": { "local": "1970-09-12T05:47:07+08:00", "utc": "1970-09-11T21:47:07Z", "ms": 21937627420.862682 }, "end": { "local": "1970-09-12T05:47:07+08:00", "utc": "1970-09-11T21:47:07Z", "ms": 21937627420.862682 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:37 on Fri 11 Sep to 08:58 on Sat 12 Sep.", "fact": "1970-09-11T03:36:55Z → 1970-09-12T00:58:23Z" }, { "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 not on the 11th and is 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 11476 s" }, { "step": "ruling", "text": "Parivartanī Ekādaśī, Fuzhou, 1970: Saturday 12 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": "1970-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Parivartanī Ekādaśī 1970 falls on Saturday 12 September. Ekādaśī runs from 11:37 on Fri 11 Sep to 08:58 on Sat 12 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-09-12", "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/1970/vamana-jayanti", "festival": "vamana-jayanti", "name": "Vāmana Jayantī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9401, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1970-09-12T08:58:23+08:00", "utc": "1970-09-12T00:58:23Z", "ms": 21949103064.649677 }, "end": { "local": "1970-09-13T05:52:28+08:00", "utc": "1970-09-12T21:52:28Z", "ms": 22024347825.600384 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-12T08:58:23+08:00", "utc": "1970-09-12T00:58:23Z", "ms": 21949103064.649677 }, "end": { "local": "1970-09-13T05:52:28+08:00", "utc": "1970-09-12T21:52:28Z", "ms": 22024347825.600384 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-12", "window": { "start": { "local": "1970-09-12T11:35:04+08:00", "utc": "1970-09-12T03:35:04Z", "ms": 21958504345.12464 }, "end": { "local": "1970-09-12T12:23:04+08:00", "utc": "1970-09-12T04:23:04Z", "ms": 21961384345.12464 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-09-13", "window": { "start": { "local": "1970-09-13T11:34:43+08:00", "utc": "1970-09-13T03:34:43Z", "ms": 22044883171.884636 }, "end": { "local": "1970-09-13T12:22:43+08:00", "utc": "1970-09-13T04:22:43Z", "ms": 22047763171.884636 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 08:58 on Sat 12 Sep to 05:52 on Sun 13 Sep.", "fact": "1970-09-12T00:58:23Z → 1970-09-12T21:52:28Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 12th, 11:35–12:23 on the 13th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 9401 s" }, { "step": "ruling", "text": "Vāmana Jayantī, Fuzhou, 1970: Saturday 12 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": "1970-09-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Vāmana Jayantī 1970 falls on Saturday 12 September. Dvādaśī runs from 08:58 on Sat 12 Sep to 05:52 on Sun 13 Sep and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/pradosha-vrata?on=1970-09-13", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 24215, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-09-13T05:52:28+08:00", "utc": "1970-09-12T21:52:28Z", "ms": 22024347825.600384 }, "end": { "local": "1970-09-14T02:26:33+08:00", "utc": "1970-09-13T18:26:33Z", "ms": 22098393498.438866 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-13T05:52:28+08:00", "utc": "1970-09-12T21:52:28Z", "ms": 22024347825.600384 }, "end": { "local": "1970-09-14T02:26:33+08:00", "utc": "1970-09-13T18:26:33Z", "ms": 22098393498.438866 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-09-12", "window": { "start": { "local": "1970-09-12T18:11:01+08:00", "utc": "1970-09-12T10:11:01Z", "ms": 21982261269.386597 }, "end": { "local": "1970-09-12T19:43:53+08:00", "utc": "1970-09-12T11:43:53Z", "ms": 21987833291.79955 } }, "covered_min": 0, "window_min": 93, "qualifies": false }, { "local_date": "1970-09-13", "window": { "start": { "local": "1970-09-13T18:09:55+08:00", "utc": "1970-09-13T10:09:55Z", "ms": 22068594906.28553 }, "end": { "local": "1970-09-13T19:42:59+08:00", "utc": "1970-09-13T11:42:59Z", "ms": 22074178976.05574 } }, "covered_min": 93, "window_min": 93, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:52 on Sun 13 Sep to 02:27 on Mon 14 Sep.", "fact": "1970-09-12T21:52:28Z → 1970-09-13T18:26:33Z" }, { "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 0 of 93 minutes on the 12th and 93 of 93 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 24215 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Sunday 13 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-09-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Sunday 13 September. Trayodaśī runs from 05:52 on Sun 13 Sep to 02:27 on Mon 14 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-09-13", "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/1970/ananta-chaturdashi", "festival": "ananta-chaturdashi", "name": "Ananta Caturdaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-14", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12082, "anga": { "type": "tithi", "index": 13, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-09-14T02:26:33+08:00", "utc": "1970-09-13T18:26:33Z", "ms": 22098393498.438866 }, "end": { "local": "1970-09-14T22:49:08+08:00", "utc": "1970-09-14T14:49:08Z", "ms": 22171748031.04676 }, "month": { "amanta": 5, "purnimanta": 5, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Bhādrapada" } }, "span": { "of": "tithi", "start": { "local": "1970-09-14T02:26:33+08:00", "utc": "1970-09-13T18:26:33Z", "ms": 22098393498.438866 }, "end": { "local": "1970-09-14T22:49:08+08:00", "utc": "1970-09-14T14:49:08Z", "ms": 22171748031.04676 } }, "kaala": "udaya-3", "days": [ { "local_date": "1970-09-14", "window": { "start": { "local": "1970-09-14T05:47:55+08:00", "utc": "1970-09-13T21:47:55Z", "ms": 22110475429.562107 }, "end": { "local": "1970-09-14T08:16:06+08:00", "utc": "1970-09-14T00:16:06Z", "ms": 22119366019.086002 } }, "covered_min": 148, "window_min": 148, "qualifies": true }, { "local_date": "1970-09-15", "window": { "start": { "local": "1970-09-15T05:48:19+08:00", "utc": "1970-09-14T21:48:19Z", "ms": 22196899415.248337 }, "end": { "local": "1970-09-15T08:16:12+08:00", "utc": "1970-09-15T00:16:12Z", "ms": 22205771874.43214 } }, "covered_min": 0, "window_min": 148, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 02:27 on Mon 14 Sep to 22:49 on Mon 14 Sep.", "fact": "1970-09-13T18:26:33Z → 1970-09-14T14:49:08Z" }, { "step": "kaala", "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:48–08:16 on the 14th, 05:48–08:16 on the 15th.", "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 148 of 148 minutes on the 14th and 0 of 148 on the 15th.", "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 12082 s" }, { "step": "ruling", "text": "Ananta Caturdaśī, Fuzhou, 1970: Monday 14 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": "1970-09-14", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-14", "confidence": "determinate" } ], "quote": "In Fuzhou, Ananta Caturdaśī 1970 falls on Monday 14 September. Caturdaśī runs from 02:27 on Mon 14 Sep to 22:49 on Mon 14 Sep and covers all of the first three muhūrtas after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-09-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37067, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-09-18T09:33:40+08:00", "utc": "1970-09-18T01:33:40Z", "ms": 22469620489.91772 }, "end": { "local": "1970-09-19T07:21:05+08:00", "utc": "1970-09-18T23:21:05Z", "ms": 22548064750.798412 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-18T09:33:40+08:00", "utc": "1970-09-18T01:33:40Z", "ms": 22469620489.91772 }, "end": { "local": "1970-09-19T07:21:05+08:00", "utc": "1970-09-18T23:21:05Z", "ms": 22548064750.798412 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-09-18", "window": { "start": { "local": "1970-09-18T19:51:28+08:00", "utc": "1970-09-18T11:51:28Z", "ms": 22506687964.534904 }, "end": { "local": "1970-09-18T19:51:28+08:00", "utc": "1970-09-18T11:51:28Z", "ms": 22506687964.534904 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-09-19", "window": { "start": { "local": "1970-09-19T20:34:26+08:00", "utc": "1970-09-19T12:34:26Z", "ms": 22595665917.75296 }, "end": { "local": "1970-09-19T20:34:26+08:00", "utc": "1970-09-19T12:34:26Z", "ms": 22595665917.75296 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 09:34 on Fri 18 Sep to 07:21 on Sat 19 Sep.", "fact": "1970-09-18T01:33:40Z → 1970-09-18T23:21:05Z" }, { "step": "kaala", "text": "Moonrise is at 19:51 on the 18th and 20:34 on the 19th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 18th and is not on the 19th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 37067 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Friday 18 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": "1970-09-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Friday 18 September. Caturthī runs from 09:34 on Fri 18 Sep to 07:21 on Sat 19 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-09-18", "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/1970/chandra-shashthi", "festival": "chandra-shashthi", "name": "Candra Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-20", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28113, "anga": { "type": "tithi", "index": 20, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1970-09-20T05:51:35+08:00", "utc": "1970-09-19T21:51:35Z", "ms": 22629095151.00597 }, "end": { "local": "1970-09-21T05:10:19+08:00", "utc": "1970-09-20T21:10:19Z", "ms": 22713019209.34415 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-20T05:51:35+08:00", "utc": "1970-09-19T21:51:35Z", "ms": 22629095151.00597 }, "end": { "local": "1970-09-21T05:10:19+08:00", "utc": "1970-09-20T21:10:19Z", "ms": 22713019209.34415 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-09-19", "window": { "start": { "local": "1970-09-19T20:34:26+08:00", "utc": "1970-09-19T12:34:26Z", "ms": 22595665917.75296 }, "end": { "local": "1970-09-19T20:34:26+08:00", "utc": "1970-09-19T12:34:26Z", "ms": 22595665917.75296 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-09-20", "window": { "start": { "local": "1970-09-20T21:21:46+08:00", "utc": "1970-09-20T13:21:46Z", "ms": 22684905916.011047 }, "end": { "local": "1970-09-20T21:21:46+08:00", "utc": "1970-09-20T13:21:46Z", "ms": 22684905916.011047 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 05:52 on Sun 20 Sep to 05:10 on Mon 21 Sep.", "fact": "1970-09-19T21:51:35Z → 1970-09-20T21:10:19Z" }, { "step": "kaala", "text": "Moonrise is at 20:34 on the 19th and 21:22 on the 20th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 19th and is on the 20th.", "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 28113 s" }, { "step": "ruling", "text": "Candra Ṣaṣṭhī, Fuzhou, 1970: Sunday 20 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "chandra-shashthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)." } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-09-20", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-20", "confidence": "determinate" } ], "quote": "In Fuzhou, Candra Ṣaṣṭhī 1970 falls on Sunday 20 September. Ṣaṣṭhī runs from 05:52 on Sun 20 Sep to 05:10 on Mon 21 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/jitashtami", "festival": "jitashtami", "name": "Jitāṣṭamī", "everyday": "Jitiya", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35012, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-09-22T05:19:14+08:00", "utc": "1970-09-21T21:19:14Z", "ms": 22799953535.20884 }, "end": { "local": "1970-09-23T06:16:21+08:00", "utc": "1970-09-22T22:16:21Z", "ms": 22889781479.8144 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-22T05:19:14+08:00", "utc": "1970-09-21T21:19:14Z", "ms": 22799953535.20884 }, "end": { "local": "1970-09-23T06:16:21+08:00", "utc": "1970-09-22T22:16:21Z", "ms": 22889781479.8144 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-09-21", "window": { "start": { "local": "1970-09-21T18:01:00+08:00", "utc": "1970-09-21T10:01:00Z", "ms": 22759260478.03877 }, "end": { "local": "1970-09-21T19:35:42+08:00", "utc": "1970-09-21T11:35:42Z", "ms": 22764941581.18013 } }, "covered_min": 0, "window_min": 95, "qualifies": false }, { "local_date": "1970-09-22", "window": { "start": { "local": "1970-09-22T17:59:54+08:00", "utc": "1970-09-22T09:59:54Z", "ms": 22845593666.84391 }, "end": { "local": "1970-09-22T19:34:47+08:00", "utc": "1970-09-22T11:34:47Z", "ms": 22851286958.59256 } }, "covered_min": 95, "window_min": 95, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:19 on Tue 22 Sep to 06:16 on Wed 23 Sep.", "fact": "1970-09-21T21:19:14Z → 1970-09-22T22:16:21Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:36 on the 21st, 18:00–19:35 on the 22nd.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 95 minutes on the 21st and 95 of 95 on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 35012 s" }, { "step": "ruling", "text": "Jitāṣṭamī, Fuzhou, 1970: Tuesday 22 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "jitashtami", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Jitāṣṭamī (Jitiya) 1970 falls on Tuesday 22 September. Aṣṭamī runs from 05:19 on Tue 22 Sep to 06:16 on Wed 23 Sep and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/mahalakshmi-vrata-samapana", "festival": "mahalakshmi-vrata-samapana", "name": "Mahālakṣmī Vrata Samāpana", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-22", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 25547, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-09-22T05:19:14+08:00", "utc": "1970-09-21T21:19:14Z", "ms": 22799953535.20884 }, "end": { "local": "1970-09-23T06:16:21+08:00", "utc": "1970-09-22T22:16:21Z", "ms": 22889781479.8144 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-22T05:19:14+08:00", "utc": "1970-09-21T21:19:14Z", "ms": 22799953535.20884 }, "end": { "local": "1970-09-23T06:16:21+08:00", "utc": "1970-09-22T22:16:21Z", "ms": 22889781479.8144 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-09-21", "window": { "start": { "local": "1970-09-21T22:13:26+08:00", "utc": "1970-09-21T14:13:26Z", "ms": 22774406195.081646 }, "end": { "local": "1970-09-21T22:13:26+08:00", "utc": "1970-09-21T14:13:26Z", "ms": 22774406195.081646 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-09-22", "window": { "start": { "local": "1970-09-22T23:08:27+08:00", "utc": "1970-09-22T15:08:27Z", "ms": 22864106698.72257 }, "end": { "local": "1970-09-22T23:08:27+08:00", "utc": "1970-09-22T15:08:27Z", "ms": 22864106698.72257 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 05:19 on Tue 22 Sep to 06:16 on Wed 23 Sep.", "fact": "1970-09-21T21:19:14Z → 1970-09-22T22:16:21Z" }, { "step": "kaala", "text": "Moonrise is at 22:13 on the 21st and 23:08 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is not on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one moonrise qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 25547 s" }, { "step": "ruling", "text": "Mahālakṣmī Vrata Samāpana, Fuzhou, 1970: Tuesday 22 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalakshmi-vrata-samapana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja" } ], "kaala": "moonrise", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-09-22", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-22", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālakṣmī Vrata Samāpana 1970 falls on Tuesday 22 September. Aṣṭamī runs from 05:19 on Tue 22 Sep to 06:16 on Wed 23 Sep and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-09-26", "festival": "ekadashi", "name": "Indirā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 15311, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-09-25T10:07:34+08:00", "utc": "1970-09-25T02:07:34Z", "ms": 23076454200.170765 }, "end": { "local": "1970-09-26T12:40:10+08:00", "utc": "1970-09-26T04:40:10Z", "ms": 23172009680.413326 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-25T10:07:34+08:00", "utc": "1970-09-25T02:07:34Z", "ms": 23076454200.170765 }, "end": { "local": "1970-09-26T12:40:10+08:00", "utc": "1970-09-26T04:40:10Z", "ms": 23172009680.413326 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-09-25", "window": { "start": { "local": "1970-09-25T05:52:23+08:00", "utc": "1970-09-24T21:52:23Z", "ms": 23061143015.13163 }, "end": { "local": "1970-09-25T05:52:23+08:00", "utc": "1970-09-24T21:52:23Z", "ms": 23061143015.13163 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-09-26", "window": { "start": { "local": "1970-09-26T05:52:48+08:00", "utc": "1970-09-25T21:52:48Z", "ms": 23147568096.90291 }, "end": { "local": "1970-09-26T05:52:48+08:00", "utc": "1970-09-25T21:52:48Z", "ms": 23147568096.90291 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 10:08 on Fri 25 Sep to 12:40 on Sat 26 Sep.", "fact": "1970-09-25T02:07:34Z → 1970-09-26T04:40:10Z" }, { "step": "kaala", "text": "Sunrise is at 05:52 on the 25th and 05:53 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 15311 s" }, { "step": "ruling", "text": "Indirā Ekādaśī, Fuzhou, 1970: Saturday 26 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": "1970-09-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Indirā Ekādaśī 1970 falls on Saturday 26 September. Ekādaśī runs from 10:08 on Fri 25 Sep to 12:40 on Sat 26 Sep and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-09-26", "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/1970/pradosha-vrata?on=1970-09-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-27", "confidence": "boundary", "boundary_reasons": [ "tie-break-unstated" ], "boundary_margin_s": 334, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-09-27T15:21:01+08:00", "utc": "1970-09-27T07:21:01Z", "ms": 23268061242.594936 }, "end": { "local": "1970-09-28T17:58:49+08:00", "utc": "1970-09-28T09:58:49Z", "ms": 23363929497.309555 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-27T15:21:01+08:00", "utc": "1970-09-27T07:21:01Z", "ms": 23268061242.594936 }, "end": { "local": "1970-09-28T17:58:49+08:00", "utc": "1970-09-28T09:58:49Z", "ms": 23363929497.309555 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-09-27", "window": { "start": { "local": "1970-09-27T17:54:22+08:00", "utc": "1970-09-27T09:54:22Z", "ms": 23277261502.116245 }, "end": { "local": "1970-09-27T19:30:16+08:00", "utc": "1970-09-27T11:30:16Z", "ms": 23283015811.58347 } }, "covered_min": 96, "window_min": 96, "qualifies": true }, { "local_date": "1970-09-28", "window": { "start": { "local": "1970-09-28T17:53:16+08:00", "utc": "1970-09-28T09:53:16Z", "ms": 23363595629.440434 }, "end": { "local": "1970-09-28T19:29:22+08:00", "utc": "1970-09-28T11:29:22Z", "ms": 23369362144.20427 } }, "covered_min": 6, "window_min": 96, "qualifies": true } ], "decided_by": "greater-coverage", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 15:21 on Sun 27 Sep to 17:59 on Mon 28 Sep.", "fact": "1970-09-27T07:21:01Z → 1970-09-28T09:58:49Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:54–19:30 on the 27th, 17:53–19:29 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 96 of 96 minutes on the 27th and 6 of 96 on the 28th.", "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 334 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Sunday 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": "1970-09-27", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-27", "confidence": "boundary" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Sunday 27 September. Trayodaśī runs from 15:21 on Sun 27 Sep to 17:59 on Mon 28 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 6 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-09-27", "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/1970/shivaratri?on=1970-09-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11092, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-09-28T17:58:49+08:00", "utc": "1970-09-28T09:58:49Z", "ms": 23363929497.309555 }, "end": { "local": "1970-09-29T20:24:29+08:00", "utc": "1970-09-29T12:24:29Z", "ms": 23459068507.98587 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-28T17:58:49+08:00", "utc": "1970-09-28T09:58:49Z", "ms": 23363929497.309555 }, "end": { "local": "1970-09-29T20:24:29+08:00", "utc": "1970-09-29T12:24:29Z", "ms": 23459068507.98587 } }, "kaala": "nishita", "days": [ { "local_date": "1970-09-28", "window": { "start": { "local": "1970-09-28T23:29:40+08:00", "utc": "1970-09-28T15:29:40Z", "ms": 23383780059.80482 }, "end": { "local": "1970-09-29T00:17:40+08:00", "utc": "1970-09-28T16:17:40Z", "ms": 23386660059.80482 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-09-29", "window": { "start": { "local": "1970-09-29T23:29:20+08:00", "utc": "1970-09-29T15:29:20Z", "ms": 23470160188.672142 }, "end": { "local": "1970-09-30T00:17:20+08:00", "utc": "1970-09-29T16:17:20Z", "ms": 23473040188.672142 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 17:59 on Mon 28 Sep to 20:24 on Tue 29 Sep.", "fact": "1970-09-28T09:58:49Z → 1970-09-29T12:24:29Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:30–00:18 on the 28th, 23:29–00:17 on the 29th.", "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 28th and 0 of 48 on the 29th.", "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 11092 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Monday 28 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": "1970-09-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Monday 28 September. Caturdaśī runs from 17:59 on Mon 28 Sep to 20:24 on Tue 29 Sep and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-09-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/mahalaya-amavasya", "festival": "mahalaya-amavasya", "name": "Mahālaya Amāvāsyā", "everyday": "Sarvapitṛ Amāvāsyā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-09-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 17756, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1970-09-29T20:24:29+08:00", "utc": "1970-09-29T12:24:29Z", "ms": 23459068507.98587 }, "end": { "local": "1970-09-30T22:31:30+08:00", "utc": "1970-09-30T14:31:30Z", "ms": 23553089632.086025 }, "month": { "amanta": 5, "purnimanta": 6, "adhika": false, "amanta_name": "Bhādrapada", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-29T20:24:29+08:00", "utc": "1970-09-29T12:24:29Z", "ms": 23459068507.98587 }, "end": { "local": "1970-09-30T22:31:30+08:00", "utc": "1970-09-30T14:31:30Z", "ms": 23553089632.086025 } }, "kaala": "aparahna", "days": [ { "local_date": "1970-09-29", "window": { "start": { "local": "1970-09-29T13:04:56+08:00", "utc": "1970-09-29T05:04:56Z", "ms": 23432695797.894135 }, "end": { "local": "1970-09-29T15:28:33+08:00", "utc": "1970-09-29T07:28:33Z", "ms": 23441312900.469112 } }, "covered_min": 0, "window_min": 144, "qualifies": false }, { "local_date": "1970-09-30", "window": { "start": { "local": "1970-09-30T13:04:27+08:00", "utc": "1970-09-30T05:04:27Z", "ms": 23519066938.524605 }, "end": { "local": "1970-09-30T15:27:46+08:00", "utc": "1970-09-30T07:27:46Z", "ms": 23527665793.266075 } }, "covered_min": 143, "window_min": 143, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 20:24 on Tue 29 Sep to 22:31 on Wed 30 Sep.", "fact": "1970-09-29T12:24:29Z → 1970-09-30T14:31:30Z" }, { "step": "kaala", "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:05–15:29 on the 29th, 13:04–15:28 on the 30th.", "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 144 minutes on the 29th and 143 of 143 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103" }, { "step": "tie_break", "text": "Only one afternoon qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 17756 s" }, { "step": "ruling", "text": "Mahālaya Amāvāsyā, Fuzhou, 1970: Wednesday 30 September.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "mahalaya-amavasya", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 103", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Mahalaya amavasya (aparahnavyapini)" } ], "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.", "kaala": "aparahna", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-09-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-09-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahālaya Amāvāsyā 1970 falls on Wednesday 30 September. Amāvasyā runs from 20:24 on Tue 29 Sep to 22:31 on Wed 30 Sep and covers all of aparāhṇa that afternoon.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/navaratra-arambha", "festival": "navaratra-arambha", "name": "Navarātrārambha", "everyday": "Navratri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36882, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1970-09-30T22:31:30+08:00", "utc": "1970-09-30T14:31:30Z", "ms": 23553089632.086025 }, "end": { "local": "1970-10-02T00:15:48+08:00", "utc": "1970-10-01T16:15:48Z", "ms": 23645747658.868343 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-09-30T22:31:30+08:00", "utc": "1970-09-30T14:31:30Z", "ms": 23553089632.086025 }, "end": { "local": "1970-10-02T00:15:48+08:00", "utc": "1970-10-01T16:15:48Z", "ms": 23645747658.868343 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-09-30", "window": { "start": { "local": "1970-09-30T11:28:48+08:00", "utc": "1970-09-30T03:28:48Z", "ms": 23513327511.15387 }, "end": { "local": "1970-09-30T12:16:48+08:00", "utc": "1970-09-30T04:16:48Z", "ms": 23516207511.15387 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-10-01", "window": { "start": { "local": "1970-10-01T11:28:28+08:00", "utc": "1970-10-01T03:28:28Z", "ms": 23599708037.572422 }, "end": { "local": "1970-10-01T12:16:28+08:00", "utc": "1970-10-01T04:16:28Z", "ms": 23602588037.572422 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 22:31 on Wed 30 Sep to 00:16 on Fri 2 Oct.", "fact": "1970-09-30T14:31:30Z → 1970-10-01T16:15:48Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 30th, 11:28–12:16 on the 1st.", "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 30th and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36882 s" }, { "step": "ruling", "text": "Navarātrārambha, Fuzhou, 1970: Thursday 1 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": "1970-10-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Navarātrārambha (Navratri) 1970 falls on Thursday 1 October. Pratipadā runs from 22:31 on Wed 30 Sep to 00:16 on Fri 2 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vinayaka-chaturthi?on=1970-10-04", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 30788, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-10-04T02:28:06+08:00", "utc": "1970-10-03T18:28:06Z", "ms": 23826485647.652466 }, "end": { "local": "1970-10-05T02:54:05+08:00", "utc": "1970-10-04T18:54:05Z", "ms": 23914445243.741894 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-10-04T02:28:06+08:00", "utc": "1970-10-03T18:28:06Z", "ms": 23826485647.652466 }, "end": { "local": "1970-10-05T02:54:05+08:00", "utc": "1970-10-04T18:54:05Z", "ms": 23914445243.741894 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-10-04", "window": { "start": { "local": "1970-10-04T11:27:31+08:00", "utc": "1970-10-04T03:27:31Z", "ms": 23858851361.495296 }, "end": { "local": "1970-10-04T12:15:31+08:00", "utc": "1970-10-04T04:15:31Z", "ms": 23861731361.495296 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-10-05", "window": { "start": { "local": "1970-10-05T11:27:13+08:00", "utc": "1970-10-05T03:27:13Z", "ms": 23945233108.288788 }, "end": { "local": "1970-10-05T12:15:13+08:00", "utc": "1970-10-05T04:15:13Z", "ms": 23948113108.288788 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 02:28 on Sun 4 Oct to 02:54 on Mon 5 Oct.", "fact": "1970-10-03T18:28:06Z → 1970-10-04T18:54:05Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 4th, 11:27–12:15 on the 5th.", "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 4th and 0 of 48 on the 5th.", "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 30788 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Sunday 4 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": "1970-10-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Sunday 4 October. Caturthī runs from 02:28 on Sun 4 Oct to 02:54 on Mon 5 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-10-04", "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/1970/durga-saptami", "festival": "durga-saptami", "name": "Durgā Saptamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12923, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1970-10-07T02:22:15+08:00", "utc": "1970-10-06T18:22:15Z", "ms": 24085335341.328907 }, "end": { "local": "1970-10-08T01:23:14+08:00", "utc": "1970-10-07T17:23:14Z", "ms": 24168193684.506767 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-10-07T02:22:15+08:00", "utc": "1970-10-06T18:22:15Z", "ms": 24085335341.328907 }, "end": { "local": "1970-10-08T01:23:14+08:00", "utc": "1970-10-07T17:23:14Z", "ms": 24168193684.506767 } }, "kaala": "udaya-1", "days": [ { "local_date": "1970-10-07", "window": { "start": { "local": "1970-10-07T05:57:38+08:00", "utc": "1970-10-06T21:57:38Z", "ms": 24098258477.922237 }, "end": { "local": "1970-10-07T06:44:42+08:00", "utc": "1970-10-06T22:44:42Z", "ms": 24101082369.346493 } }, "covered_min": 47, "window_min": 47, "qualifies": true }, { "local_date": "1970-10-08", "window": { "start": { "local": "1970-10-08T05:58:06+08:00", "utc": "1970-10-07T21:58:06Z", "ms": 24184686451.55996 }, "end": { "local": "1970-10-08T06:45:04+08:00", "utc": "1970-10-07T22:45:04Z", "ms": 24187504325.679073 } }, "covered_min": 0, "window_min": 47, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 02:22 on Wed 7 Oct to 01:23 on Thu 8 Oct.", "fact": "1970-10-06T18:22:15Z → 1970-10-07T17:23:14Z" }, { "step": "kaala", "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:58–06:45 on the 7th, 05:58–06:45 on the 8th.", "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 47 of 47 minutes on the 7th and 0 of 47 on the 8th.", "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 12923 s" }, { "step": "ruling", "text": "Durgā Saptamī, Fuzhou, 1970: Wednesday 7 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": "1970-10-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Saptamī 1970 falls on Wednesday 7 October. Saptamī runs from 02:22 on Wed 7 Oct to 01:23 on Thu 8 Oct and covers all of the first muhūrta after sunrise that morning.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/mahashtami", "festival": "mahashtami", "name": "Mahāṣṭamī", "everyday": "Durga Ashtami", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-08", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36187, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-10-08T01:23:14+08:00", "utc": "1970-10-07T17:23:14Z", "ms": 24168193684.506767 }, "end": { "local": "1970-10-08T23:55:17+08:00", "utc": "1970-10-08T15:55:17Z", "ms": 24249316791.89301 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-10-08T01:23:14+08:00", "utc": "1970-10-07T17:23:14Z", "ms": 24168193684.506767 }, "end": { "local": "1970-10-08T23:55:17+08:00", "utc": "1970-10-08T15:55:17Z", "ms": 24249316791.89301 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-10-08", "window": { "start": { "local": "1970-10-08T11:26:21+08:00", "utc": "1970-10-08T03:26:21Z", "ms": 24204380507.453323 }, "end": { "local": "1970-10-08T12:14:21+08:00", "utc": "1970-10-08T04:14:21Z", "ms": 24207260507.453323 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-10-09", "window": { "start": { "local": "1970-10-09T11:26:04+08:00", "utc": "1970-10-09T03:26:04Z", "ms": 24290763753.119064 }, "end": { "local": "1970-10-09T12:14:04+08:00", "utc": "1970-10-09T04:14:04Z", "ms": 24293643753.119064 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 01:23 on Thu 8 Oct to 23:55 on Thu 8 Oct.", "fact": "1970-10-07T17:23:14Z → 1970-10-08T15:55:17Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 8th, 11:26–12:14 on the 9th.", "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 8th and 0 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 36187 s" }, { "step": "ruling", "text": "Mahāṣṭamī, Fuzhou, 1970: Thursday 8 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": "1970-10-08", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-08", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahāṣṭamī (Durga Ashtami) 1970 falls on Thursday 8 October. Aṣṭamī runs from 01:23 on Thu 8 Oct to 23:55 on Thu 8 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/mahanavami", "festival": "mahanavami", "name": "Mahānavamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35115, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1970-10-08T23:55:17+08:00", "utc": "1970-10-08T15:55:17Z", "ms": 24249316791.89301 }, "end": { "local": "1970-10-09T21:59:19+08:00", "utc": "1970-10-09T13:59:19Z", "ms": 24328759237.095093 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-10-08T23:55:17+08:00", "utc": "1970-10-08T15:55:17Z", "ms": 24249316791.89301 }, "end": { "local": "1970-10-09T21:59:19+08:00", "utc": "1970-10-09T13:59:19Z", "ms": 24328759237.095093 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-10-08", "window": { "start": { "local": "1970-10-08T11:26:21+08:00", "utc": "1970-10-08T03:26:21Z", "ms": 24204380507.453323 }, "end": { "local": "1970-10-08T12:14:21+08:00", "utc": "1970-10-08T04:14:21Z", "ms": 24207260507.453323 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-10-09", "window": { "start": { "local": "1970-10-09T11:26:04+08:00", "utc": "1970-10-09T03:26:04Z", "ms": 24290763753.119064 }, "end": { "local": "1970-10-09T12:14:04+08:00", "utc": "1970-10-09T04:14:04Z", "ms": 24293643753.119064 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 23:55 on Thu 8 Oct to 21:59 on Fri 9 Oct.", "fact": "1970-10-08T15:55:17Z → 1970-10-09T13:59:19Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 8th, 11:26–12:14 on the 9th.", "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 8th and 48 of 48 on the 9th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 35115 s" }, { "step": "ruling", "text": "Mahānavamī, Fuzhou, 1970: Friday 9 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": "1970-10-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Mahānavamī 1970 falls on Friday 9 October. Navamī runs from 23:55 on Thu 8 Oct to 21:59 on Fri 9 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vijaya-dashami", "festival": "vijaya-dashami", "name": "Vijayā Daśamī", "everyday": "Dussehra", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 7020, "anga": { "type": "tithi", "index": 9, "key": "dashami", "name": "Daśamī", "start": { "local": "1970-10-09T21:59:19+08:00", "utc": "1970-10-09T13:59:19Z", "ms": 24328759237.095093 }, "end": { "local": "1970-10-10T19:37:32+08:00", "utc": "1970-10-10T11:37:32Z", "ms": 24406651660.880302 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "conjunction", "start": { "local": "1970-10-09T21:59:19+08:00", "utc": "1970-10-09T13:59:19Z", "ms": 24328759237.095093 }, "end": { "local": "1970-10-10T19:37:32+08:00", "utc": "1970-10-10T11:37:32Z", "ms": 24406651660.880302 }, "nakshatra": { "type": "nakshatra", "index": 21, "key": "shravana", "name": "Śravaṇa", "start": { "local": "1970-10-09T21:17:28+08:00", "utc": "1970-10-09T13:17:28Z", "ms": 24326248021.980244 }, "end": { "local": "1970-10-10T19:40:36+08:00", "utc": "1970-10-10T11:40:36Z", "ms": 24406835705.361465 } } }, "kaala": "daytime", "days": [ { "local_date": "1970-10-09", "window": { "start": { "local": "1970-10-09T05:58:35+08:00", "utc": "1970-10-08T21:58:35Z", "ms": 24271114729.503864 }, "end": { "local": "1970-10-09T17:41:33+08:00", "utc": "1970-10-09T09:41:33Z", "ms": 24313292776.73427 } }, "covered_min": 0, "window_min": 703, "qualifies": false }, { "local_date": "1970-10-10", "window": { "start": { "local": "1970-10-10T05:59:03+08:00", "utc": "1970-10-09T21:59:03Z", "ms": 24357543322.511463 }, "end": { "local": "1970-10-10T17:40:32+08:00", "utc": "1970-10-10T09:40:32Z", "ms": 24399631516.95968 } }, "covered_min": 701, "window_min": 701, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Daśamī runs from 21:59 on Fri 9 Oct to 19:38 on Sat 10 Oct, and Śravaṇa from 21:17 on Fri 9 Oct to 19:41 on Sat 10 Oct. They are together from 21:59 on Fri 9 Oct to 19:38 on Sat 10 Oct.", "fact": "1970-10-09T13:59:19Z → 1970-10-10T11:37:32Z" }, { "step": "kaala", "text": "The day time is sunrise to sunset: 05:59–17:42 on the 9th, 05:59–17:41 on the 10th.", "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 703 minutes on the 9th and 701 of 701 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one day qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 7020 s" }, { "step": "ruling", "text": "Vijayā Daśamī, Fuzhou, 1970: Saturday 10 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": "1970-10-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Vijayā Daśamī (Dussehra) 1970 falls on Saturday 10 October. Daśamī runs from 21:59 on Fri 9 Oct to 19:38 on Sat 10 Oct and is with Śravaṇa in the day time that day, for 701 minutes.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-10-11", "festival": "ekadashi", "name": "Pāśāṅkuśā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 37321, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-10-10T19:37:32+08:00", "utc": "1970-10-10T11:37:32Z", "ms": 24406651660.880302 }, "end": { "local": "1970-10-11T16:53:34+08:00", "utc": "1970-10-11T08:53:34Z", "ms": 24483214002.142296 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-10-10T19:37:32+08:00", "utc": "1970-10-10T11:37:32Z", "ms": 24406651660.880302 }, "end": { "local": "1970-10-11T16:53:34+08:00", "utc": "1970-10-11T08:53:34Z", "ms": 24483214002.142296 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-10-11", "window": { "start": { "local": "1970-10-11T05:59:32+08:00", "utc": "1970-10-10T21:59:32Z", "ms": 24443972242.344788 }, "end": { "local": "1970-10-11T05:59:32+08:00", "utc": "1970-10-10T21:59:32Z", "ms": 24443972242.344788 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-10-12", "window": { "start": { "local": "1970-10-12T06:00:02+08:00", "utc": "1970-10-11T22:00:02Z", "ms": 24530401501.988667 }, "end": { "local": "1970-10-12T06:00:02+08:00", "utc": "1970-10-11T22:00:02Z", "ms": 24530401501.988667 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 19:38 on Sat 10 Oct to 16:54 on Sun 11 Oct.", "fact": "1970-10-10T11:37:32Z → 1970-10-11T08:53:34Z" }, { "step": "kaala", "text": "Sunrise is at 06:00 on the 11th and 06:00 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 37321 s" }, { "step": "ruling", "text": "Pāśāṅkuśā Ekādaśī, Fuzhou, 1970: Sunday 11 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-10-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-11", "confidence": "determinate" } ], "quote": "In Fuzhou, Pāśāṅkuśā Ekādaśī 1970 falls on Sunday 11 October. Ekādaśī runs from 19:38 on Sat 10 Oct to 16:54 on Sun 11 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-10-11", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/pradosha-vrata?on=1970-10-12", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 13551, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-10-12T13:52:39+08:00", "utc": "1970-10-12T05:52:39Z", "ms": 24558759272.474648 }, "end": { "local": "1970-10-13T10:41:29+08:00", "utc": "1970-10-13T02:41:29Z", "ms": 24633688773.400864 }, "month": { "amanta": 6, "purnimanta": 6, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Āśvina" } }, "span": { "of": "tithi", "start": { "local": "1970-10-12T13:52:39+08:00", "utc": "1970-10-12T05:52:39Z", "ms": 24558759272.474648 }, "end": { "local": "1970-10-13T10:41:29+08:00", "utc": "1970-10-13T02:41:29Z", "ms": 24633688773.400864 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-10-12", "window": { "start": { "local": "1970-10-12T17:38:31+08:00", "utc": "1970-10-12T09:38:31Z", "ms": 24572310691.816223 }, "end": { "local": "1970-10-12T19:17:27+08:00", "utc": "1970-10-12T11:17:27Z", "ms": 24578246748.331345 } }, "covered_min": 99, "window_min": 99, "qualifies": true }, { "local_date": "1970-10-13", "window": { "start": { "local": "1970-10-13T17:37:31+08:00", "utc": "1970-10-13T09:37:31Z", "ms": 24658651185.15191 }, "end": { "local": "1970-10-13T19:16:39+08:00", "utc": "1970-10-13T11:16:39Z", "ms": 24664599173.616844 } }, "covered_min": 0, "window_min": 99, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 13:53 on Mon 12 Oct to 10:41 on Tue 13 Oct.", "fact": "1970-10-12T05:52:39Z → 1970-10-13T02:41:29Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:39–19:17 on the 12th, 17:38–19:17 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 99 of 99 minutes on the 12th and 0 of 99 on the 13th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 13551 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Monday 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": "1970-10-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Monday 12 October. Trayodaśī runs from 13:53 on Mon 12 Oct to 10:41 on Tue 13 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-10-12", "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/1970/karaka-chaturthi", "festival": "karaka-chaturthi", "name": "Karaka Caturthī", "everyday": "Karwa Chauth", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 579, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-10-17T21:17:21+08:00", "utc": "1970-10-17T13:17:21Z", "ms": 25017441364.627502 }, "end": { "local": "1970-10-18T20:11:43+08:00", "utc": "1970-10-18T12:11:43Z", "ms": 25099902537.99075 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-17T21:17:21+08:00", "utc": "1970-10-17T13:17:21Z", "ms": 25017441364.627502 }, "end": { "local": "1970-10-18T20:11:43+08:00", "utc": "1970-10-18T12:11:43Z", "ms": 25099902537.99075 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-10-17", "window": { "start": { "local": "1970-10-17T19:10:52+08:00", "utc": "1970-10-17T11:10:52Z", "ms": 25009851924.14361 }, "end": { "local": "1970-10-17T19:10:52+08:00", "utc": "1970-10-17T11:10:52Z", "ms": 25009851924.14361 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-10-18", "window": { "start": { "local": "1970-10-18T20:02:04+08:00", "utc": "1970-10-18T12:02:04Z", "ms": 25099323919.19759 }, "end": { "local": "1970-10-18T20:02:04+08:00", "utc": "1970-10-18T12:02:04Z", "ms": 25099323919.19759 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:17 on Sat 17 Oct to 20:12 on Sun 18 Oct.", "fact": "1970-10-17T13:17:21Z → 1970-10-18T12:11:43Z" }, { "step": "kaala", "text": "Moonrise is at 19:11 on the 17th and 20:02 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 17th and is on the 18th.", "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 579 s" }, { "step": "ruling", "text": "Karaka Caturthī, Fuzhou, 1970: Sunday 18 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "karaka-chaturthi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "moonrise", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Karaka Caturthī (Karwa Chauth) 1970 falls on Sunday 18 October. Caturthī runs from 21:17 on Sat 17 Oct to 20:12 on Sun 18 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-10-18", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-18", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 579, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-10-17T21:17:21+08:00", "utc": "1970-10-17T13:17:21Z", "ms": 25017441364.627502 }, "end": { "local": "1970-10-18T20:11:43+08:00", "utc": "1970-10-18T12:11:43Z", "ms": 25099902537.99075 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-17T21:17:21+08:00", "utc": "1970-10-17T13:17:21Z", "ms": 25017441364.627502 }, "end": { "local": "1970-10-18T20:11:43+08:00", "utc": "1970-10-18T12:11:43Z", "ms": 25099902537.99075 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-10-17", "window": { "start": { "local": "1970-10-17T19:10:52+08:00", "utc": "1970-10-17T11:10:52Z", "ms": 25009851924.14361 }, "end": { "local": "1970-10-17T19:10:52+08:00", "utc": "1970-10-17T11:10:52Z", "ms": 25009851924.14361 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-10-18", "window": { "start": { "local": "1970-10-18T20:02:04+08:00", "utc": "1970-10-18T12:02:04Z", "ms": 25099323919.19759 }, "end": { "local": "1970-10-18T20:02:04+08:00", "utc": "1970-10-18T12:02:04Z", "ms": 25099323919.19759 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 21:17 on Sat 17 Oct to 20:12 on Sun 18 Oct.", "fact": "1970-10-17T13:17:21Z → 1970-10-18T12:11:43Z" }, { "step": "kaala", "text": "Moonrise is at 19:11 on the 17th and 20:02 on the 18th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 17th and is on the 18th.", "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 579 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Sunday 18 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": "1970-10-18", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-18", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Sunday 18 October. Caturthī runs from 21:17 on Sat 17 Oct to 20:12 on Sun 18 Oct and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-10-18", "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/1970/ahoyi-ashtami", "festival": "ahoyi-ashtami", "name": "Ahoyī Aṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-22", "confidence": "boundary", "boundary_reasons": [ "margin" ], "boundary_margin_s": 207, "anga": { "type": "tithi", "index": 22, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-10-21T21:50:42+08:00", "utc": "1970-10-21T13:50:42Z", "ms": 25365041658.829033 }, "end": { "local": "1970-10-22T23:52:31+08:00", "utc": "1970-10-22T15:52:31Z", "ms": 25458750533.130375 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-21T21:50:42+08:00", "utc": "1970-10-21T13:50:42Z", "ms": 25365041658.829033 }, "end": { "local": "1970-10-22T23:52:31+08:00", "utc": "1970-10-22T15:52:31Z", "ms": 25458750533.130375 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-10-21", "window": { "start": { "local": "1970-10-21T22:52:35+08:00", "utc": "1970-10-21T14:52:35Z", "ms": 25368755456.892204 }, "end": { "local": "1970-10-21T22:52:35+08:00", "utc": "1970-10-21T14:52:35Z", "ms": 25368755456.892204 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-10-22", "window": { "start": { "local": "1970-10-22T23:49:04+08:00", "utc": "1970-10-22T15:49:04Z", "ms": 25458543605.2349 }, "end": { "local": "1970-10-22T23:49:04+08:00", "utc": "1970-10-22T15:49:04Z", "ms": 25458543605.2349 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 21:51 on Wed 21 Oct to 23:53 on Thu 22 Oct.", "fact": "1970-10-21T13:50:42Z → 1970-10-22T15:52:31Z" }, { "step": "kaala", "text": "Moonrise is at 22:53 on the 21st and 23:49 on the 22nd.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Aṣṭamī must be current at moonrise. It is on the 21st and is on the 22nd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Both moonrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 207 s < 300 s" }, { "step": "ruling", "text": "Ahoyī Aṣṭamī, Fuzhou, 1970: Thursday 22 October.", "fact": "confidence: boundary (margin)" } ], "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": "1970-10-22", "confidence": "boundary" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-22", "confidence": "boundary" } ], "quote": "In Fuzhou, Ahoyī Aṣṭamī 1970 falls on Thursday 22 October. Aṣṭamī runs from 21:51 on Wed 21 Oct to 23:53 on Thu 22 Oct and is current at moonrise that day. It is 3 min 27 s from a threshold: treat the date as contested.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-10-26", "festival": "ekadashi", "name": "Ramā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3789, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-10-25T05:03:50+08:00", "utc": "1970-10-24T21:03:50Z", "ms": 25650229784.926117 }, "end": { "local": "1970-10-26T07:42:58+08:00", "utc": "1970-10-25T23:42:58Z", "ms": 25746177519.25626 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-25T05:03:50+08:00", "utc": "1970-10-24T21:03:50Z", "ms": 25650229784.926117 }, "end": { "local": "1970-10-26T07:42:58+08:00", "utc": "1970-10-25T23:42:58Z", "ms": 25746177519.25626 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-10-25", "window": { "start": { "local": "1970-10-25T06:06:59+08:00", "utc": "1970-10-24T22:06:59Z", "ms": 25654018941.12423 }, "end": { "local": "1970-10-25T06:06:59+08:00", "utc": "1970-10-24T22:06:59Z", "ms": 25654018941.12423 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-10-26", "window": { "start": { "local": "1970-10-26T06:07:34+08:00", "utc": "1970-10-25T22:07:34Z", "ms": 25740454218.172962 }, "end": { "local": "1970-10-26T06:07:34+08:00", "utc": "1970-10-25T22:07:34Z", "ms": 25740454218.172962 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "paraviddha", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 05:04 on Sun 25 Oct to 07:43 on Mon 26 Oct.", "fact": "1970-10-24T21:03:50Z → 1970-10-25T23:42:58Z" }, { "step": "kaala", "text": "Sunrise is at 06:07 on the 25th and 06:08 on the 26th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 25th and is on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Both sunrises qualify. Paraviddhā: the second is taken.", "fact": "priority: paraviddha → paraviddha · margin 3789 s" }, { "step": "ruling", "text": "Ramā Ekādaśī, Fuzhou, 1970: Monday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Ramā Ekādaśī 1970 falls on Monday 26 October. Ekādaśī runs from 05:04 on Sun 25 Oct to 07:43 on Mon 26 Oct and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-10-26", "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/1970/govatsa-dvadashi", "festival": "govatsa-dvadashi", "name": "Govatsa Dvādaśī", "everyday": "Vasu Baras", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26327, "anga": { "type": "tithi", "index": 26, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1970-10-26T07:42:58+08:00", "utc": "1970-10-25T23:42:58Z", "ms": 25746177519.25626 }, "end": { "local": "1970-10-27T10:06:12+08:00", "utc": "1970-10-27T02:06:12Z", "ms": 25841171931.95844 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-26T07:42:58+08:00", "utc": "1970-10-25T23:42:58Z", "ms": 25746177519.25626 }, "end": { "local": "1970-10-27T10:06:12+08:00", "utc": "1970-10-27T02:06:12Z", "ms": 25841171931.95844 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-10-26", "window": { "start": { "local": "1970-10-26T17:25:47+08:00", "utc": "1970-10-26T09:25:47Z", "ms": 25781147077.25854 }, "end": { "local": "1970-10-26T19:07:26+08:00", "utc": "1970-10-26T11:07:26Z", "ms": 25787246128.780674 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1970-10-27", "window": { "start": { "local": "1970-10-27T17:24:59+08:00", "utc": "1970-10-27T09:24:59Z", "ms": 25867499255.020714 }, "end": { "local": "1970-10-27T19:06:50+08:00", "utc": "1970-10-27T11:06:50Z", "ms": 25873609511.07476 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 07:43 on Mon 26 Oct to 10:06 on Tue 27 Oct.", "fact": "1970-10-25T23:42:58Z → 1970-10-27T02:06:12Z" }, { "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": "Dvādaśī 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. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26327 s" }, { "step": "ruling", "text": "Govatsa Dvādaśī, Fuzhou, 1970: Monday 26 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "govatsa-dvadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day." } ], "kaala": "pradosha", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-10-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Govatsa Dvādaśī (Vasu Baras) 1970 falls on Monday 26 October. Dvādaśī runs from 07:43 on Mon 26 Oct to 10:06 on Tue 27 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/yama-dipadana", "festival": "yama-dipadana", "name": "Yama Dīpadāna", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19200, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-10-27T10:06:12+08:00", "utc": "1970-10-27T02:06:12Z", "ms": 25841171931.95844 }, "end": { "local": "1970-10-28T12:04:13+08:00", "utc": "1970-10-28T04:04:13Z", "ms": 25934652822.867504 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-27T10:06:12+08:00", "utc": "1970-10-27T02:06:12Z", "ms": 25841171931.95844 }, "end": { "local": "1970-10-28T12:04:13+08:00", "utc": "1970-10-28T04:04:13Z", "ms": 25934652822.867504 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-10-27", "window": { "start": { "local": "1970-10-27T17:24:59+08:00", "utc": "1970-10-27T09:24:59Z", "ms": 25867499255.020714 }, "end": { "local": "1970-10-27T19:06:50+08:00", "utc": "1970-10-27T11:06:50Z", "ms": 25873609511.07476 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1970-10-28", "window": { "start": { "local": "1970-10-28T17:24:12+08:00", "utc": "1970-10-28T09:24:12Z", "ms": 25953852469.57108 }, "end": { "local": "1970-10-28T19:06:14+08:00", "utc": "1970-10-28T11:06:14Z", "ms": 25959973853.605713 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:06 on Tue 27 Oct to 12:04 on Wed 28 Oct.", "fact": "1970-10-27T02:06:12Z → 1970-10-28T04:04:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:07 on the 27th, 17:24–19:06 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 27th and 0 of 102 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19200 s" }, { "step": "ruling", "text": "Yama Dīpadāna, Fuzhou, 1970: Tuesday 27 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "yama-dipadana", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 13 Yama dipadana (pradosa)." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dīpadāna 1970 falls on Tuesday 27 October. Trayodaśī runs from 10:06 on Tue 27 Oct to 12:04 on Wed 28 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/pradosha-vrata?on=1970-10-27", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19200, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-10-27T10:06:12+08:00", "utc": "1970-10-27T02:06:12Z", "ms": 25841171931.95844 }, "end": { "local": "1970-10-28T12:04:13+08:00", "utc": "1970-10-28T04:04:13Z", "ms": 25934652822.867504 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-27T10:06:12+08:00", "utc": "1970-10-27T02:06:12Z", "ms": 25841171931.95844 }, "end": { "local": "1970-10-28T12:04:13+08:00", "utc": "1970-10-28T04:04:13Z", "ms": 25934652822.867504 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-10-27", "window": { "start": { "local": "1970-10-27T17:24:59+08:00", "utc": "1970-10-27T09:24:59Z", "ms": 25867499255.020714 }, "end": { "local": "1970-10-27T19:06:50+08:00", "utc": "1970-10-27T11:06:50Z", "ms": 25873609511.07476 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1970-10-28", "window": { "start": { "local": "1970-10-28T17:24:12+08:00", "utc": "1970-10-28T09:24:12Z", "ms": 25953852469.57108 }, "end": { "local": "1970-10-28T19:06:14+08:00", "utc": "1970-10-28T11:06:14Z", "ms": 25959973853.605713 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 10:06 on Tue 27 Oct to 12:04 on Wed 28 Oct.", "fact": "1970-10-27T02:06:12Z → 1970-10-28T04:04:13Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:25–19:07 on the 27th, 17:24–19:06 on the 28th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 27th and 0 of 102 on the 28th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 19200 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Tuesday 27 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": "1970-10-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Tuesday 27 October. Trayodaśī runs from 10:06 on Tue 27 Oct to 12:04 on Wed 28 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-10-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/shivaratri?on=1970-10-28", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-28", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 35450, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-10-28T12:04:13+08:00", "utc": "1970-10-28T04:04:13Z", "ms": 25934652822.867504 }, "end": { "local": "1970-10-29T13:31:54+08:00", "utc": "1970-10-29T05:31:54Z", "ms": 26026313758.31165 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-28T12:04:13+08:00", "utc": "1970-10-28T04:04:13Z", "ms": 25934652822.867504 }, "end": { "local": "1970-10-29T13:31:54+08:00", "utc": "1970-10-29T05:31:54Z", "ms": 26026313758.31165 } }, "kaala": "nishita", "days": [ { "local_date": "1970-10-28", "window": { "start": { "local": "1970-10-28T23:22:48+08:00", "utc": "1970-10-28T15:22:48Z", "ms": 25975367659.700962 }, "end": { "local": "1970-10-29T00:10:48+08:00", "utc": "1970-10-28T16:10:48Z", "ms": 25978247659.700962 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-10-29", "window": { "start": { "local": "1970-10-29T23:22:43+08:00", "utc": "1970-10-29T15:22:43Z", "ms": 26061763363.210163 }, "end": { "local": "1970-10-30T00:10:43+08:00", "utc": "1970-10-29T16:10:43Z", "ms": 26064643363.210163 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:04 on Wed 28 Oct to 13:32 on Thu 29 Oct.", "fact": "1970-10-28T04:04:13Z → 1970-10-29T05:31:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 28th, 23:23–00:11 on the 29th.", "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 28th and 0 of 48 on the 29th.", "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 35450 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Wednesday 28 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": "1970-10-28", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-28", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Wednesday 28 October. Caturdaśī runs from 12:04 on Wed 28 Oct to 13:32 on Thu 29 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-10-28", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/naraka-chaturdashi", "festival": "naraka-chaturdashi", "name": "Naraka Caturdaśī", "everyday": "Choti Diwali", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 21327, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-10-28T12:04:13+08:00", "utc": "1970-10-28T04:04:13Z", "ms": 25934652822.867504 }, "end": { "local": "1970-10-29T13:31:54+08:00", "utc": "1970-10-29T05:31:54Z", "ms": 26026313758.31165 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-28T12:04:13+08:00", "utc": "1970-10-28T04:04:13Z", "ms": 25934652822.867504 }, "end": { "local": "1970-10-29T13:31:54+08:00", "utc": "1970-10-29T05:31:54Z", "ms": 26026313758.31165 } }, "kaala": "arunodaya", "days": [ { "local_date": "1970-10-28", "window": { "start": { "local": "1970-10-28T04:26:56+08:00", "utc": "1970-10-27T20:26:56Z", "ms": 25907215919.37203 }, "end": { "local": "1970-10-28T06:08:46+08:00", "utc": "1970-10-27T22:08:46Z", "ms": 25913326175.426075 } }, "covered_min": 0, "window_min": 102, "qualifies": false }, { "local_date": "1970-10-29", "window": { "start": { "local": "1970-10-29T04:27:21+08:00", "utc": "1970-10-28T20:27:21Z", "ms": 25993641465.79621 }, "end": { "local": "1970-10-29T06:09:23+08:00", "utc": "1970-10-28T22:09:23Z", "ms": 25999762849.830845 } }, "covered_min": 102, "window_min": 102, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 12:04 on Wed 28 Oct to 13:32 on Thu 29 Oct.", "fact": "1970-10-28T04:04:13Z → 1970-10-29T05:31:54Z" }, { "step": "kaala", "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:27–06:09 on the 28th, 04:27–06:09 on the 29th.", "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 102 minutes on the 28th and 102 of 102 on the 29th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one dawn qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 21327 s" }, { "step": "ruling", "text": "Naraka Caturdaśī, Fuzhou, 1970: Thursday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "naraka-chaturdashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)" } ], "kaala": "arunodaya", "priority": "purvaviddha", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Naraka Caturdaśī (Choti Diwali) 1970 falls on Thursday 29 October. Caturdaśī runs from 12:04 on Wed 28 Oct to 13:32 on Thu 29 Oct and covers all of aruṇodaya that dawn.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/diwali-lakshmi-puja", "festival": "diwali-lakshmi-puja", "name": "Lakṣmī Pūjā", "everyday": "Diwali", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10489, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1970-10-29T13:31:54+08:00", "utc": "1970-10-29T05:31:54Z", "ms": 26026313758.31165 }, "end": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-29T13:31:54+08:00", "utc": "1970-10-29T05:31:54Z", "ms": 26026313758.31165 }, "end": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-10-29", "window": { "start": { "local": "1970-10-29T17:23:27+08:00", "utc": "1970-10-29T09:23:27Z", "ms": 26040206744.55299 }, "end": { "local": "1970-10-29T19:05:39+08:00", "utc": "1970-10-29T11:05:39Z", "ms": 26046339176.194904 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1970-10-30", "window": { "start": { "local": "1970-10-30T17:22:42+08:00", "utc": "1970-10-30T09:22:42Z", "ms": 26126562102.862362 }, "end": { "local": "1970-10-30T19:05:05+08:00", "utc": "1970-10-30T11:05:05Z", "ms": 26132705497.825176 } }, "covered_min": 0, "window_min": 102, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:32 on Thu 29 Oct to 14:28 on Fri 30 Oct.", "fact": "1970-10-29T05:31:54Z → 1970-10-30T06:27:54Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:06 on the 29th, 17:23–19:05 on the 30th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during pradoṣa. It covers 102 of 102 minutes on the 29th and 0 of 102 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10489 s" }, { "step": "ruling", "text": "Lakṣmī Pūjā, Fuzhou, 1970: Thursday 29 October.", "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": "1970-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Lakṣmī Pūjā (Diwali) 1970 falls on Thursday 29 October. Amāvasyā runs from 13:32 on Thu 29 Oct to 14:28 on Fri 30 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/kali-puja", "festival": "kali-puja", "name": "Kālī Pūjā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-29", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32086, "anga": { "type": "tithi", "index": 29, "key": "amavasya", "name": "Amāvasyā", "start": { "local": "1970-10-29T13:31:54+08:00", "utc": "1970-10-29T05:31:54Z", "ms": 26026313758.31165 }, "end": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 }, "month": { "amanta": 6, "purnimanta": 7, "adhika": false, "amanta_name": "Āśvina", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-29T13:31:54+08:00", "utc": "1970-10-29T05:31:54Z", "ms": 26026313758.31165 }, "end": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 } }, "kaala": "nishita", "days": [ { "local_date": "1970-10-29", "window": { "start": { "local": "1970-10-29T23:22:43+08:00", "utc": "1970-10-29T15:22:43Z", "ms": 26061763363.210163 }, "end": { "local": "1970-10-30T00:10:43+08:00", "utc": "1970-10-29T16:10:43Z", "ms": 26064643363.210163 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-10-30", "window": { "start": { "local": "1970-10-30T23:22:40+08:00", "utc": "1970-10-30T15:22:40Z", "ms": 26148159833.97291 }, "end": { "local": "1970-10-31T00:10:40+08:00", "utc": "1970-10-30T16:10:40Z", "ms": 26151039833.97291 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Amāvasyā runs from 13:32 on Thu 29 Oct to 14:28 on Fri 30 Oct.", "fact": "1970-10-29T05:31:54Z → 1970-10-30T06:27:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 29th, 23:23–00:11 on the 30th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32086 s" }, { "step": "ruling", "text": "Kālī Pūjā, Fuzhou, 1970: Thursday 29 October.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "kali-puja", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 104", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)" } ], "kaala": "nishita", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-10-29", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-29", "confidence": "determinate" } ], "quote": "In Fuzhou, Kālī Pūjā 1970 falls on Thursday 29 October. Amāvasyā runs from 13:32 on Thu 29 Oct to 14:28 on Fri 30 Oct and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/bali-puja", "festival": "bali-puja", "name": "Bali Pūjā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-30", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8903, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 }, "end": { "local": "1970-10-31T14:53:36+08:00", "utc": "1970-10-31T06:53:36Z", "ms": 26204015859.7697 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 }, "end": { "local": "1970-10-31T14:53:36+08:00", "utc": "1970-10-31T06:53:36Z", "ms": 26204015859.7697 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-10-30", "window": { "start": { "local": "1970-10-30T17:22:42+08:00", "utc": "1970-10-30T09:22:42Z", "ms": 26126562102.862362 }, "end": { "local": "1970-10-30T19:05:05+08:00", "utc": "1970-10-30T11:05:05Z", "ms": 26132705497.825176 } }, "covered_min": 102, "window_min": 102, "qualifies": true }, { "local_date": "1970-10-31", "window": { "start": { "local": "1970-10-31T17:21:59+08:00", "utc": "1970-10-31T09:21:59Z", "ms": 26212918566.67944 }, "end": { "local": "1970-10-31T19:04:33+08:00", "utc": "1970-10-31T11:04:33Z", "ms": 26219072836.67315 } }, "covered_min": 0, "window_min": 103, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:28 on Fri 30 Oct to 14:54 on Sat 31 Oct.", "fact": "1970-10-30T06:27:54Z → 1970-10-31T06:53:36Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:23–19:05 on the 30th, 17:22–19:05 on the 31st.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pradoṣa. It covers 102 of 102 minutes on the 30th and 0 of 103 on the 31st.", "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 8903 s" }, { "step": "ruling", "text": "Bali Pūjā, Fuzhou, 1970: Friday 30 October.", "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": "1970-10-30", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-30", "confidence": "determinate" } ], "quote": "In Fuzhou, Bali Pūjā 1970 falls on Friday 30 October. Pratipadā runs from 14:28 on Fri 30 Oct to 14:54 on Sat 31 Oct and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/govardhana-puja", "festival": "govardhana-puja", "name": "Govardhana Pūjā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 8253, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 }, "end": { "local": "1970-10-31T14:53:36+08:00", "utc": "1970-10-31T06:53:36Z", "ms": 26204015859.7697 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 }, "end": { "local": "1970-10-31T14:53:36+08:00", "utc": "1970-10-31T06:53:36Z", "ms": 26204015859.7697 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-10-30", "window": { "start": { "local": "1970-10-30T11:22:21+08:00", "utc": "1970-10-30T03:22:21Z", "ms": 26104941042.36485 }, "end": { "local": "1970-10-30T12:10:21+08:00", "utc": "1970-10-30T04:10:21Z", "ms": 26107821042.36485 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-10-31", "window": { "start": { "local": "1970-10-31T11:22:18+08:00", "utc": "1970-10-31T03:22:18Z", "ms": 26191338065.88145 }, "end": { "local": "1970-10-31T12:10:18+08:00", "utc": "1970-10-31T04:10:18Z", "ms": 26194218065.88145 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:28 on Fri 30 Oct to 14:54 on Sat 31 Oct.", "fact": "1970-10-30T06:27:54Z → 1970-10-31T06:53:36Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 30th, 11:22–12:10 on the 31st.", "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 30th and 48 of 48 on the 31st.", "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 8253 s" }, { "step": "ruling", "text": "Govardhana Pūjā, Fuzhou, 1970: Saturday 31 October.", "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": "1970-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Govardhana Pūjā 1970 falls on Saturday 31 October. Pratipadā runs from 14:28 on Fri 30 Oct to 14:54 on Sat 31 Oct and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/dyuta-pratipad", "festival": "dyuta-pratipad", "name": "Dyūta Pratipad", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-10-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 16420, "anga": { "type": "tithi", "index": 0, "key": "pratipada", "name": "Pratipadā", "start": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 }, "end": { "local": "1970-10-31T14:53:36+08:00", "utc": "1970-10-31T06:53:36Z", "ms": 26204015859.7697 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-30T14:27:54+08:00", "utc": "1970-10-30T06:27:54Z", "ms": 26116073580.23862 }, "end": { "local": "1970-10-31T14:53:36+08:00", "utc": "1970-10-31T06:53:36Z", "ms": 26204015859.7697 } }, "kaala": "purvahna", "days": [ { "local_date": "1970-10-30", "window": { "start": { "local": "1970-10-30T06:10:00+08:00", "utc": "1970-10-29T22:10:00Z", "ms": 26086199981.867336 }, "end": { "local": "1970-10-30T09:54:14+08:00", "utc": "1970-10-30T01:54:14Z", "ms": 26099654022.199013 } }, "covered_min": 0, "window_min": 224, "qualifies": false }, { "local_date": "1970-10-31", "window": { "start": { "local": "1970-10-31T06:10:38+08:00", "utc": "1970-10-30T22:10:38Z", "ms": 26172637565.08346 }, "end": { "local": "1970-10-31T09:54:25+08:00", "utc": "1970-10-31T01:54:25Z", "ms": 26186064565.615456 } }, "covered_min": 224, "window_min": 224, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pratipadā runs from 14:28 on Fri 30 Oct to 14:54 on Sat 31 Oct.", "fact": "1970-10-30T06:27:54Z → 1970-10-31T06:53:36Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:10–09:54 on the 30th, 06:11–09:54 on the 31st.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 224 minutes on the 30th and 224 of 224 on the 31st.", "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 16420 s" }, { "step": "ruling", "text": "Dyūta Pratipad, Fuzhou, 1970: Saturday 31 October.", "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": "1970-10-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-10-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Dyūta Pratipad 1970 falls on Saturday 31 October. Pratipadā runs from 14:28 on Fri 30 Oct to 14:54 on Sat 31 Oct and covers all of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/yama-dvitiya", "festival": "yama-dvitiya", "name": "Yama Dvitīyā", "everyday": "Bhai Dooj", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-01", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 9704, "anga": { "type": "tithi", "index": 1, "key": "dvitiya", "name": "Dvitīyā", "start": { "local": "1970-10-31T14:53:36+08:00", "utc": "1970-10-31T06:53:36Z", "ms": 26204015859.7697 }, "end": { "local": "1970-11-01T14:51:59+08:00", "utc": "1970-11-01T06:51:59Z", "ms": 26290319439.421486 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-10-31T14:53:36+08:00", "utc": "1970-10-31T06:53:36Z", "ms": 26204015859.7697 }, "end": { "local": "1970-11-01T14:51:59+08:00", "utc": "1970-11-01T06:51:59Z", "ms": 26290319439.421486 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-10-31", "window": { "start": { "local": "1970-10-31T11:22:18+08:00", "utc": "1970-10-31T03:22:18Z", "ms": 26191338065.88145 }, "end": { "local": "1970-10-31T12:10:18+08:00", "utc": "1970-10-31T04:10:18Z", "ms": 26194218065.88145 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-11-01", "window": { "start": { "local": "1970-11-01T11:22:16+08:00", "utc": "1970-11-01T03:22:16Z", "ms": 26277735874.596813 }, "end": { "local": "1970-11-01T12:10:16+08:00", "utc": "1970-11-01T04:10:16Z", "ms": 26280615874.596813 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvitīyā runs from 14:54 on Sat 31 Oct to 14:52 on Sun 1 Nov.", "fact": "1970-10-31T06:53:36Z → 1970-11-01T06:51:59Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 31st, 11:22–12:10 on the 1st.", "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 31st and 48 of 48 on the 1st.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 9704 s" }, { "step": "ruling", "text": "Yama Dvitīyā, Fuzhou, 1970: Sunday 1 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": "1970-11-01", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-01", "confidence": "determinate" } ], "quote": "In Fuzhou, Yama Dvitīyā (Bhai Dooj) 1970 falls on Sunday 1 November. Dvitīyā runs from 14:54 on Sat 31 Oct to 14:52 on Sun 1 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/naga-chaturthi", "festival": "naga-chaturthi", "name": "Nāga Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5426, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-11-02T14:26:36+08:00", "utc": "1970-11-02T06:26:36Z", "ms": 26375195576.600098 }, "end": { "local": "1970-11-03T13:40:40+08:00", "utc": "1970-11-03T05:40:40Z", "ms": 26458839956.852524 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-02T14:26:36+08:00", "utc": "1970-11-02T06:26:36Z", "ms": 26375195576.600098 }, "end": { "local": "1970-11-03T13:40:40+08:00", "utc": "1970-11-03T05:40:40Z", "ms": 26458839956.852524 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-11-02", "window": { "start": { "local": "1970-11-02T11:22:14+08:00", "utc": "1970-11-02T03:22:14Z", "ms": 26364134474.478073 }, "end": { "local": "1970-11-02T12:10:14+08:00", "utc": "1970-11-02T04:10:14Z", "ms": 26367014474.478073 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-11-03", "window": { "start": { "local": "1970-11-03T11:22:14+08:00", "utc": "1970-11-03T03:22:14Z", "ms": 26450533870.77754 }, "end": { "local": "1970-11-03T12:10:14+08:00", "utc": "1970-11-03T04:10:14Z", "ms": 26453413870.77754 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:27 on Mon 2 Nov to 13:41 on Tue 3 Nov.", "fact": "1970-11-02T06:26:36Z → 1970-11-03T05:40:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 2nd, 11:22–12:10 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5426 s" }, { "step": "ruling", "text": "Nāga Caturthī, Fuzhou, 1970: Tuesday 3 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": "1970-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Caturthī 1970 falls on Tuesday 3 November. Caturthī runs from 14:27 on Mon 2 Nov to 13:41 on Tue 3 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/vinayaka-chaturthi?on=1970-11-03", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5426, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-11-02T14:26:36+08:00", "utc": "1970-11-02T06:26:36Z", "ms": 26375195576.600098 }, "end": { "local": "1970-11-03T13:40:40+08:00", "utc": "1970-11-03T05:40:40Z", "ms": 26458839956.852524 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-02T14:26:36+08:00", "utc": "1970-11-02T06:26:36Z", "ms": 26375195576.600098 }, "end": { "local": "1970-11-03T13:40:40+08:00", "utc": "1970-11-03T05:40:40Z", "ms": 26458839956.852524 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-11-02", "window": { "start": { "local": "1970-11-02T11:22:14+08:00", "utc": "1970-11-02T03:22:14Z", "ms": 26364134474.478073 }, "end": { "local": "1970-11-02T12:10:14+08:00", "utc": "1970-11-02T04:10:14Z", "ms": 26367014474.478073 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-11-03", "window": { "start": { "local": "1970-11-03T11:22:14+08:00", "utc": "1970-11-03T03:22:14Z", "ms": 26450533870.77754 }, "end": { "local": "1970-11-03T12:10:14+08:00", "utc": "1970-11-03T04:10:14Z", "ms": 26453413870.77754 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 14:27 on Mon 2 Nov to 13:41 on Tue 3 Nov.", "fact": "1970-11-02T06:26:36Z → 1970-11-03T05:40:40Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 2nd, 11:22–12:10 on the 3rd.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Caturthī 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. 108" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 5426 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Tuesday 3 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": "1970-11-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Tuesday 3 November. Caturthī runs from 14:27 on Mon 2 Nov to 13:41 on Tue 3 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-11-03", "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/1970/surya-shashthi", "festival": "surya-shashthi", "name": "Sūrya Ṣaṣṭhī", "everyday": "Chhath", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 353, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1970-11-04T12:36:43+08:00", "utc": "1970-11-04T04:36:43Z", "ms": 26541403388.807663 }, "end": { "local": "1970-11-05T11:16:23+08:00", "utc": "1970-11-05T03:16:23Z", "ms": 26622982526.137493 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-04T12:36:43+08:00", "utc": "1970-11-04T04:36:43Z", "ms": 26541403388.807663 }, "end": { "local": "1970-11-05T11:16:23+08:00", "utc": "1970-11-05T03:16:23Z", "ms": 26622982526.137493 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-11-04", "window": { "start": { "local": "1970-11-04T11:22:14+08:00", "utc": "1970-11-04T03:22:14Z", "ms": 26536934068.24301 }, "end": { "local": "1970-11-04T12:10:14+08:00", "utc": "1970-11-04T04:10:14Z", "ms": 26539814068.24301 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-11-05", "window": { "start": { "local": "1970-11-05T11:22:15+08:00", "utc": "1970-11-05T03:22:15Z", "ms": 26623335071.34284 }, "end": { "local": "1970-11-05T12:10:15+08:00", "utc": "1970-11-05T04:10:15Z", "ms": 26626215071.34284 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "second-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 12:37 on Wed 4 Nov to 11:16 on Thu 5 Nov.", "fact": "1970-11-04T04:36:43Z → 1970-11-05T03:16:23Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 4th, 11:22–12:10 on the 5th.", "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 4th and 0 of 48 on the 5th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Neither midday qualifies. The rule takes the second day.", "fact": "priority: unstated → second-day · margin 353 s" }, { "step": "ruling", "text": "Sūrya Ṣaṣṭhī, Fuzhou, 1970: Thursday 5 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": "1970-11-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-05", "confidence": "boundary" } ], "quote": "In Fuzhou, Sūrya Ṣaṣṭhī (Chhath) 1970 falls on Thursday 5 November. Ṣaṣṭhī runs from 12:37 on Wed 4 Nov to 11:16 on Thu 5 Nov, and reaches madhyāhna on neither day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/gopashtami", "festival": "gopashtami", "name": "Gopāṣṭamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-06", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 6107, "anga": { "type": "tithi", "index": 7, "key": "ashtami", "name": "Aṣṭamī", "start": { "local": "1970-11-06T09:40:30+08:00", "utc": "1970-11-06T01:40:30Z", "ms": 26703629788.42238 }, "end": { "local": "1970-11-07T07:49:39+08:00", "utc": "1970-11-06T23:49:39Z", "ms": 26783378814.292427 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-06T09:40:30+08:00", "utc": "1970-11-06T01:40:30Z", "ms": 26703629788.42238 }, "end": { "local": "1970-11-07T07:49:39+08:00", "utc": "1970-11-06T23:49:39Z", "ms": 26783378814.292427 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-11-06", "window": { "start": { "local": "1970-11-06T11:22:17+08:00", "utc": "1970-11-06T03:22:17Z", "ms": 26709736884.488907 }, "end": { "local": "1970-11-06T12:10:17+08:00", "utc": "1970-11-06T04:10:17Z", "ms": 26712616884.488907 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-11-07", "window": { "start": { "local": "1970-11-07T11:22:20+08:00", "utc": "1970-11-07T03:22:20Z", "ms": 26796139512.23419 }, "end": { "local": "1970-11-07T12:10:20+08:00", "utc": "1970-11-07T04:10:20Z", "ms": 26799019512.23419 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Aṣṭamī runs from 09:40 on Fri 6 Nov to 07:50 on Sat 7 Nov.", "fact": "1970-11-06T01:40:30Z → 1970-11-06T23:49:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 6th, 11:22–12:10 on the 7th.", "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 6th and 0 of 48 on the 7th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 6107 s" }, { "step": "ruling", "text": "Gopāṣṭamī, Fuzhou, 1970: Friday 6 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": "1970-11-06", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-06", "confidence": "determinate" } ], "quote": "In Fuzhou, Gopāṣṭamī 1970 falls on Friday 6 November. Aṣṭamī runs from 09:40 on Fri 6 Nov to 07:50 on Sat 7 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/akshaya-navami", "festival": "akshaya-navami", "name": "Akṣaya Navamī", "everyday": "Amla Navami", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1875, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1970-11-07T07:49:39+08:00", "utc": "1970-11-06T23:49:39Z", "ms": 26783378814.292427 }, "end": { "local": "1970-11-08T05:44:39+08:00", "utc": "1970-11-07T21:44:39Z", "ms": 26862278739.114674 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-07T07:49:39+08:00", "utc": "1970-11-06T23:49:39Z", "ms": 26783378814.292427 }, "end": { "local": "1970-11-08T05:44:39+08:00", "utc": "1970-11-07T21:44:39Z", "ms": 26862278739.114674 } }, "kaala": "purvahna", "days": [ { "local_date": "1970-11-07", "window": { "start": { "local": "1970-11-07T06:15:12+08:00", "utc": "1970-11-06T22:15:12Z", "ms": 26777712482.76983 }, "end": { "local": "1970-11-07T09:55:57+08:00", "utc": "1970-11-07T01:55:57Z", "ms": 26790957169.079403 } }, "covered_min": 126, "window_min": 221, "qualifies": true }, { "local_date": "1970-11-08", "window": { "start": { "local": "1970-11-08T06:15:53+08:00", "utc": "1970-11-07T22:15:53Z", "ms": 26864153310.779354 }, "end": { "local": "1970-11-08T09:56:13+08:00", "utc": "1970-11-08T01:56:13Z", "ms": 26877373076.542904 } }, "covered_min": 0, "window_min": 220, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:50 on Sat 7 Nov to 05:45 on Sun 8 Nov.", "fact": "1970-11-06T23:49:39Z → 1970-11-07T21:44:39Z" }, { "step": "kaala", "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:15–09:56 on the 7th, 06:16–09:56 on the 8th.", "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during pūrvāhṇa. It covers 126 of 221 minutes on the 7th and 0 of 220 on the 8th.", "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 1875 s" }, { "step": "ruling", "text": "Akṣaya Navamī, Fuzhou, 1970: Saturday 7 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": "1970-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Akṣaya Navamī (Amla Navami) 1970 falls on Saturday 7 November. Navamī runs from 07:50 on Sat 7 Nov to 05:45 on Sun 8 Nov and covers 126 of 221 minutes of pūrvāhṇa that forenoon.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/durga-navami", "festival": "durga-navami", "name": "Durgā Navamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-07", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 12761, "anga": { "type": "tithi", "index": 8, "key": "navami", "name": "Navamī", "start": { "local": "1970-11-07T07:49:39+08:00", "utc": "1970-11-06T23:49:39Z", "ms": 26783378814.292427 }, "end": { "local": "1970-11-08T05:44:39+08:00", "utc": "1970-11-07T21:44:39Z", "ms": 26862278739.114674 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-07T07:49:39+08:00", "utc": "1970-11-06T23:49:39Z", "ms": 26783378814.292427 }, "end": { "local": "1970-11-08T05:44:39+08:00", "utc": "1970-11-07T21:44:39Z", "ms": 26862278739.114674 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-11-07", "window": { "start": { "local": "1970-11-07T11:22:20+08:00", "utc": "1970-11-07T03:22:20Z", "ms": 26796139512.23419 }, "end": { "local": "1970-11-07T12:10:20+08:00", "utc": "1970-11-07T04:10:20Z", "ms": 26799019512.23419 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-11-08", "window": { "start": { "local": "1970-11-08T11:22:23+08:00", "utc": "1970-11-08T03:22:23Z", "ms": 26882542959.424675 }, "end": { "local": "1970-11-08T12:10:23+08:00", "utc": "1970-11-08T04:10:23Z", "ms": 26885422959.424675 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Navamī runs from 07:50 on Sat 7 Nov to 05:45 on Sun 8 Nov.", "fact": "1970-11-06T23:49:39Z → 1970-11-07T21:44:39Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 7th, 11:22–12:10 on the 8th.", "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 12761 s" }, { "step": "ruling", "text": "Durgā Navamī, Fuzhou, 1970: Saturday 7 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": "1970-11-07", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-07", "confidence": "determinate" } ], "quote": "In Fuzhou, Durgā Navamī 1970 falls on Saturday 7 November. Navamī runs from 07:50 on Sat 7 Nov to 05:45 on Sun 8 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-11-09", "festival": "ekadashi", "name": "Prabodhinī Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10166, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-11-09T03:27:09+08:00", "utc": "1970-11-08T19:27:09Z", "ms": 26940428817.18149 }, "end": { "local": "1970-11-10T01:00:06+08:00", "utc": "1970-11-09T17:00:06Z", "ms": 27018005595.81632 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-09T03:27:09+08:00", "utc": "1970-11-08T19:27:09Z", "ms": 26940428817.18149 }, "end": { "local": "1970-11-10T01:00:06+08:00", "utc": "1970-11-09T17:00:06Z", "ms": 27018005595.81632 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-11-09", "window": { "start": { "local": "1970-11-09T06:16:34+08:00", "utc": "1970-11-08T22:16:34Z", "ms": 26950594491.927593 }, "end": { "local": "1970-11-09T06:16:34+08:00", "utc": "1970-11-08T22:16:34Z", "ms": 26950594491.927593 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-11-10", "window": { "start": { "local": "1970-11-10T06:17:16+08:00", "utc": "1970-11-09T22:17:16Z", "ms": 27037036015.245358 }, "end": { "local": "1970-11-10T06:17:16+08:00", "utc": "1970-11-09T22:17:16Z", "ms": 27037036015.245358 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 03:27 on Mon 9 Nov to 01:00 on Tue 10 Nov.", "fact": "1970-11-08T19:27:09Z → 1970-11-09T17:00:06Z" }, { "step": "kaala", "text": "Sunrise is at 06:17 on the 9th and 06:17 on the 10th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 9th and is not on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105" }, { "step": "tie_break", "text": "Only one sunrise qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 10166 s" }, { "step": "ruling", "text": "Prabodhinī Ekādaśī, Fuzhou, 1970: Monday 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": "1970-11-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Prabodhinī Ekādaśī 1970 falls on Monday 9 November. Ekādaśī runs from 03:27 on Mon 9 Nov to 01:00 on Tue 10 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-11-09", "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/1970/pradosha-vrata?on=1970-11-11", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-11", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 3422, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-11-10T22:27:58+08:00", "utc": "1970-11-10T14:27:58Z", "ms": 27095277761.456287 }, "end": { "local": "1970-11-11T19:56:47+08:00", "utc": "1970-11-11T11:56:47Z", "ms": 27172607322.819633 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-10T22:27:58+08:00", "utc": "1970-11-10T14:27:58Z", "ms": 27095277761.456287 }, "end": { "local": "1970-11-11T19:56:47+08:00", "utc": "1970-11-11T11:56:47Z", "ms": 27172607322.819633 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-11-10", "window": { "start": { "local": "1970-11-10T17:15:49+08:00", "utc": "1970-11-10T09:15:49Z", "ms": 27076548651.485302 }, "end": { "local": "1970-11-10T19:00:06+08:00", "utc": "1970-11-10T11:00:06Z", "ms": 27082805880.634003 } }, "covered_min": 0, "window_min": 104, "qualifies": false }, { "local_date": "1970-11-11", "window": { "start": { "local": "1970-11-11T17:15:19+08:00", "utc": "1970-11-11T09:15:19Z", "ms": 27162918672.8091 }, "end": { "local": "1970-11-11T18:59:46+08:00", "utc": "1970-11-11T10:59:46Z", "ms": 27169185522.542904 } }, "covered_min": 104, "window_min": 104, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:28 on Tue 10 Nov to 19:57 on Wed 11 Nov.", "fact": "1970-11-10T14:27:58Z → 1970-11-11T11:56:47Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:00 on the 10th, 17:15–19:00 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 10th and 104 of 104 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 3422 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Wednesday 11 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": "1970-11-11", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-11", "confidence": "boundary" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Wednesday 11 November. Trayodaśī runs from 22:28 on Tue 10 Nov to 19:57 on Wed 11 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-11-11", "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/1970/rasayatra", "festival": "rasayatra", "name": "Rāsayātrā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 20948, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-11-12T17:33:58+08:00", "utc": "1970-11-12T09:33:58Z", "ms": 27250438194.70037 }, "end": { "local": "1970-11-13T15:27:54+08:00", "utc": "1970-11-13T07:27:54Z", "ms": 27329273655.938416 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-12T17:33:58+08:00", "utc": "1970-11-12T09:33:58Z", "ms": 27250438194.70037 }, "end": { "local": "1970-11-13T15:27:54+08:00", "utc": "1970-11-13T07:27:54Z", "ms": 27329273655.938416 } }, "kaala": "nishita", "days": [ { "local_date": "1970-11-12", "window": { "start": { "local": "1970-11-12T23:23:06+08:00", "utc": "1970-11-12T15:23:06Z", "ms": 27271386293.894936 }, "end": { "local": "1970-11-13T00:11:06+08:00", "utc": "1970-11-12T16:11:06Z", "ms": 27274266293.894936 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-11-13", "window": { "start": { "local": "1970-11-13T23:23:14+08:00", "utc": "1970-11-13T15:23:14Z", "ms": 27357794069.218567 }, "end": { "local": "1970-11-14T00:11:14+08:00", "utc": "1970-11-13T16:11:14Z", "ms": 27360674069.218567 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:34 on Thu 12 Nov to 15:28 on Fri 13 Nov.", "fact": "1970-11-12T09:33:58Z → 1970-11-13T07:27:54Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:23–00:11 on the 12th, 23:23–00:11 on the 13th.", "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā 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. 104" }, { "step": "tie_break", "text": "Only one night qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 20948 s" }, { "step": "ruling", "text": "Rāsayātrā, Fuzhou, 1970: Thursday 12 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": "1970-11-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Rāsayātrā 1970 falls on Thursday 12 November. Pūrṇimā runs from 17:34 on Thu 12 Nov to 15:28 on Fri 13 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/kartiki-purnima", "festival": "kartiki-purnima", "name": "Kārtikī Pūrṇimā", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-13", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11821, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-11-12T17:33:58+08:00", "utc": "1970-11-12T09:33:58Z", "ms": 27250438194.70037 }, "end": { "local": "1970-11-13T15:27:54+08:00", "utc": "1970-11-13T07:27:54Z", "ms": 27329273655.938416 }, "month": { "amanta": 7, "purnimanta": 7, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Kārtika" } }, "span": { "of": "tithi", "start": { "local": "1970-11-12T17:33:58+08:00", "utc": "1970-11-12T09:33:58Z", "ms": 27250438194.70037 }, "end": { "local": "1970-11-13T15:27:54+08:00", "utc": "1970-11-13T07:27:54Z", "ms": 27329273655.938416 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-11-12", "window": { "start": { "local": "1970-11-12T11:22:45+08:00", "utc": "1970-11-12T03:22:45Z", "ms": 27228165051.25045 }, "end": { "local": "1970-11-12T12:10:45+08:00", "utc": "1970-11-12T04:10:45Z", "ms": 27231045051.25045 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-11-13", "window": { "start": { "local": "1970-11-13T11:22:53+08:00", "utc": "1970-11-13T03:22:53Z", "ms": 27314572678.022003 }, "end": { "local": "1970-11-13T12:10:53+08:00", "utc": "1970-11-13T04:10:53Z", "ms": 27317452678.022003 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 17:34 on Thu 12 Nov to 15:28 on Fri 13 Nov.", "fact": "1970-11-12T09:33:58Z → 1970-11-13T07:27:54Z" }, { "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": "Pūrṇimā 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: unstated → only-day · margin 11821 s" }, { "step": "ruling", "text": "Kārtikī Pūrṇimā, Fuzhou, 1970: Friday 13 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": "1970-11-13", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-13", "confidence": "determinate" } ], "quote": "In Fuzhou, Kārtikī Pūrṇimā 1970 falls on Friday 13 November. Pūrṇimā runs from 17:34 on Thu 12 Nov to 15:28 on Fri 13 Nov and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-11-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26701, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-11-16T12:15:41+08:00", "utc": "1970-11-16T04:15:41Z", "ms": 27576940774.093468 }, "end": { "local": "1970-11-17T12:36:15+08:00", "utc": "1970-11-17T04:36:15Z", "ms": 27664574718.69111 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-11-16T12:15:41+08:00", "utc": "1970-11-16T04:15:41Z", "ms": 27576940774.093468 }, "end": { "local": "1970-11-17T12:36:15+08:00", "utc": "1970-11-17T04:36:15Z", "ms": 27664574718.69111 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-11-16", "window": { "start": { "local": "1970-11-16T19:40:42+08:00", "utc": "1970-11-16T11:40:42Z", "ms": 27603641642.226276 }, "end": { "local": "1970-11-16T19:40:42+08:00", "utc": "1970-11-16T11:40:42Z", "ms": 27603641642.226276 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-11-17", "window": { "start": { "local": "1970-11-17T20:39:43+08:00", "utc": "1970-11-17T12:39:43Z", "ms": 27693582669.11434 }, "end": { "local": "1970-11-17T20:39:43+08:00", "utc": "1970-11-17T12:39:43Z", "ms": 27693582669.11434 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 12:16 on Mon 16 Nov to 12:36 on Tue 17 Nov.", "fact": "1970-11-16T04:15:41Z → 1970-11-17T04:36:15Z" }, { "step": "kaala", "text": "Moonrise is at 19:41 on the 16th and 20:40 on the 17th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.", "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 26701 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Monday 16 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": "1970-11-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Monday 16 November. Caturthī runs from 12:16 on Mon 16 Nov to 12:36 on Tue 17 Nov and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-11-16", "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/1970/ekadashi?on=1970-11-24", "festival": "ekadashi", "name": "Utpannā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10073, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-11-24T01:42:03+08:00", "utc": "1970-11-23T17:42:03Z", "ms": 28230122744.057796 }, "end": { "local": "1970-11-25T03:40:17+08:00", "utc": "1970-11-24T19:40:17Z", "ms": 28323616567.132927 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-11-24T01:42:03+08:00", "utc": "1970-11-23T17:42:03Z", "ms": 28230122744.057796 }, "end": { "local": "1970-11-25T03:40:17+08:00", "utc": "1970-11-24T19:40:17Z", "ms": 28323616567.132927 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-11-24", "window": { "start": { "local": "1970-11-24T06:27:25+08:00", "utc": "1970-11-23T22:27:25Z", "ms": 28247245352.187126 }, "end": { "local": "1970-11-24T06:27:25+08:00", "utc": "1970-11-23T22:27:25Z", "ms": 28247245352.187126 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-11-25", "window": { "start": { "local": "1970-11-25T06:28:10+08:00", "utc": "1970-11-24T22:28:10Z", "ms": 28333690026.492256 }, "end": { "local": "1970-11-25T06:28:10+08:00", "utc": "1970-11-24T22:28:10Z", "ms": 28333690026.492256 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 01:42 on Tue 24 Nov to 03:40 on Wed 25 Nov.", "fact": "1970-11-23T17:42:03Z → 1970-11-24T19:40:17Z" }, { "step": "kaala", "text": "Sunrise is at 06:27 on the 24th and 06:28 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not 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 10073 s" }, { "step": "ruling", "text": "Utpannā Ekādaśī, Fuzhou, 1970: Tuesday 24 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": "1970-11-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Utpannā Ekādaśī 1970 falls on Tuesday 24 November. Ekādaśī runs from 01:42 on Tue 24 Nov to 03:40 on Wed 25 Nov and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-11-24", "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/1970/pradosha-vrata?on=1970-11-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36277, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-11-26T05:01:53+08:00", "utc": "1970-11-25T21:01:53Z", "ms": 28414912705.40349 }, "end": { "local": "1970-11-27T05:43:30+08:00", "utc": "1970-11-26T21:43:30Z", "ms": 28503810219.59092 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-11-26T05:01:53+08:00", "utc": "1970-11-25T21:01:53Z", "ms": 28414912705.40349 }, "end": { "local": "1970-11-27T05:43:30+08:00", "utc": "1970-11-26T21:43:30Z", "ms": 28503810219.59092 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-11-25", "window": { "start": { "local": "1970-11-25T17:10:51+08:00", "utc": "1970-11-25T09:10:51Z", "ms": 28372250696.412174 }, "end": { "local": "1970-11-25T18:57:15+08:00", "utc": "1970-11-25T10:57:15Z", "ms": 28378635230.195843 } }, "covered_min": 0, "window_min": 106, "qualifies": false }, { "local_date": "1970-11-26", "window": { "start": { "local": "1970-11-26T17:10:43+08:00", "utc": "1970-11-26T09:10:43Z", "ms": 28458642968.623524 }, "end": { "local": "1970-11-26T18:57:14+08:00", "utc": "1970-11-26T10:57:14Z", "ms": 28465034484.27258 } }, "covered_min": 107, "window_min": 107, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 05:02 on Thu 26 Nov to 05:44 on Fri 27 Nov.", "fact": "1970-11-25T21:01:53Z → 1970-11-26T21:43:30Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:57 on the 25th, 17:11–18:57 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 25th and 107 of 107 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 36277 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Thursday 26 November.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "pradosha-vrata", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 108", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas." } ], "kaala": "pradosha", "priority": "unstated", "when_absent": "unstated" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-11-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Thursday 26 November. Trayodaśī runs from 05:02 on Thu 26 Nov to 05:44 on Fri 27 Nov and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-11-26", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/shivaratri?on=1970-11-27", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-11-27", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19759, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-11-27T05:43:30+08:00", "utc": "1970-11-26T21:43:30Z", "ms": 28503810219.59092 }, "end": { "local": "1970-11-28T05:46:12+08:00", "utc": "1970-11-27T21:46:12Z", "ms": 28590371768.119843 }, "month": { "amanta": 7, "purnimanta": 8, "adhika": false, "amanta_name": "Kārtika", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-11-27T05:43:30+08:00", "utc": "1970-11-26T21:43:30Z", "ms": 28503810219.59092 }, "end": { "local": "1970-11-28T05:46:12+08:00", "utc": "1970-11-27T21:46:12Z", "ms": 28590371768.119843 } }, "kaala": "nishita", "days": [ { "local_date": "1970-11-26", "window": { "start": { "local": "1970-11-26T23:26:11+08:00", "utc": "1970-11-26T15:26:11Z", "ms": 28481171152.307484 }, "end": { "local": "1970-11-27T00:14:11+08:00", "utc": "1970-11-26T16:14:11Z", "ms": 28484051152.307484 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-11-27", "window": { "start": { "local": "1970-11-27T23:26:30+08:00", "utc": "1970-11-27T15:26:30Z", "ms": 28567590349.960655 }, "end": { "local": "1970-11-28T00:14:30+08:00", "utc": "1970-11-27T16:14:30Z", "ms": 28570470349.960655 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 05:44 on Fri 27 Nov to 05:46 on Sat 28 Nov.", "fact": "1970-11-26T21:43:30Z → 1970-11-27T21:46:12Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:26–00:14 on the 26th, 23:27–00:15 on the 27th.", "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 26th and 48 of 48 on the 27th.", "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 19759 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Friday 27 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": "1970-11-27", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-11-27", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Friday 27 November. Caturdaśī runs from 05:44 on Fri 27 Nov to 05:46 on Sat 28 Nov and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-11-27", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-12-02", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-02", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36943, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-12-02T01:12:12+08:00", "utc": "1970-12-01T17:12:12Z", "ms": 28919532077.71797 }, "end": { "local": "1970-12-02T23:23:44+08:00", "utc": "1970-12-02T15:23:44Z", "ms": 28999424115.192955 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-02T01:12:12+08:00", "utc": "1970-12-01T17:12:12Z", "ms": 28919532077.71797 }, "end": { "local": "1970-12-02T23:23:44+08:00", "utc": "1970-12-02T15:23:44Z", "ms": 28999424115.192955 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-12-02", "window": { "start": { "local": "1970-12-02T11:27:55+08:00", "utc": "1970-12-02T03:27:55Z", "ms": 28956474943.03991 }, "end": { "local": "1970-12-02T12:15:55+08:00", "utc": "1970-12-02T04:15:55Z", "ms": 28959354943.03991 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-12-03", "window": { "start": { "local": "1970-12-03T11:28:18+08:00", "utc": "1970-12-03T03:28:18Z", "ms": 29042898288.907066 }, "end": { "local": "1970-12-03T12:16:18+08:00", "utc": "1970-12-03T04:16:18Z", "ms": 29045778288.907066 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 01:12 on Wed 2 Dec to 23:24 on Wed 2 Dec.", "fact": "1970-12-01T17:12:12Z → 1970-12-02T15:23:44Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 2nd, 11:28–12:16 on the 3rd.", "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 2nd and 0 of 48 on the 3rd.", "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 36943 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Wednesday 2 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": "1970-12-02", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-02", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Wednesday 2 December. Caturthī runs from 01:12 on Wed 2 Dec to 23:24 on Wed 2 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-12-02", "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/1970/naga-panchami-margashirsha", "festival": "naga-panchami-margashirsha", "name": "Nāga Pañcamī (Mārgaśīrṣa)", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-03", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 33192, "anga": { "type": "tithi", "index": 4, "key": "panchami", "name": "Pañcamī", "start": { "local": "1970-12-02T23:23:44+08:00", "utc": "1970-12-02T15:23:44Z", "ms": 28999424115.192955 }, "end": { "local": "1970-12-03T21:29:30+08:00", "utc": "1970-12-03T13:29:30Z", "ms": 29078970384.569992 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-02T23:23:44+08:00", "utc": "1970-12-02T15:23:44Z", "ms": 28999424115.192955 }, "end": { "local": "1970-12-03T21:29:30+08:00", "utc": "1970-12-03T13:29:30Z", "ms": 29078970384.569992 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-12-02", "window": { "start": { "local": "1970-12-02T11:27:55+08:00", "utc": "1970-12-02T03:27:55Z", "ms": 28956474943.03991 }, "end": { "local": "1970-12-02T12:15:55+08:00", "utc": "1970-12-02T04:15:55Z", "ms": 28959354943.03991 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-12-03", "window": { "start": { "local": "1970-12-03T11:28:18+08:00", "utc": "1970-12-03T03:28:18Z", "ms": 29042898288.907066 }, "end": { "local": "1970-12-03T12:16:18+08:00", "utc": "1970-12-03T04:16:18Z", "ms": 29045778288.907066 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pañcamī runs from 23:24 on Wed 2 Dec to 21:30 on Thu 3 Dec.", "fact": "1970-12-02T15:23:44Z → 1970-12-03T13:29:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 2nd, 11:28–12:16 on the 3rd.", "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 2nd and 48 of 48 on the 3rd.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 33192 s" }, { "step": "ruling", "text": "Nāga Pañcamī (Mārgaśīrṣa), Fuzhou, 1970: Thursday 3 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": "1970-12-03", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-03", "confidence": "determinate" } ], "quote": "In Fuzhou, Nāga Pañcamī (Mārgaśīrṣa) 1970 falls on Thursday 3 December. Pañcamī runs from 23:24 on Wed 2 Dec to 21:30 on Thu 3 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/champa-shashthi", "festival": "champa-shashthi", "name": "Campā Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26147, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1970-12-03T21:29:30+08:00", "utc": "1970-12-03T13:29:30Z", "ms": 29078970384.569992 }, "end": { "local": "1970-12-04T19:32:30+08:00", "utc": "1970-12-04T11:32:30Z", "ms": 29158349624.61732 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-03T21:29:30+08:00", "utc": "1970-12-03T13:29:30Z", "ms": 29078970384.569992 }, "end": { "local": "1970-12-04T19:32:30+08:00", "utc": "1970-12-04T11:32:30Z", "ms": 29158349624.61732 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-12-03", "window": { "start": { "local": "1970-12-03T11:28:18+08:00", "utc": "1970-12-03T03:28:18Z", "ms": 29042898288.907066 }, "end": { "local": "1970-12-03T12:16:18+08:00", "utc": "1970-12-03T04:16:18Z", "ms": 29045778288.907066 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-12-04", "window": { "start": { "local": "1970-12-04T11:28:42+08:00", "utc": "1970-12-04T03:28:42Z", "ms": 29129322231.35441 }, "end": { "local": "1970-12-04T12:16:42+08:00", "utc": "1970-12-04T04:16:42Z", "ms": 29132202231.35441 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:30 on Thu 3 Dec to 19:32 on Fri 4 Dec.", "fact": "1970-12-03T13:29:30Z → 1970-12-04T11:32:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 3rd, 11:29–12:17 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 26147 s" }, { "step": "ruling", "text": "Campā Ṣaṣṭhī, Fuzhou, 1970: Friday 4 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": "1970-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Campā Ṣaṣṭhī 1970 falls on Friday 4 December. Ṣaṣṭhī runs from 21:30 on Thu 3 Dec to 19:32 on Fri 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/skanda-shashthi", "festival": "skanda-shashthi", "name": "Skanda Ṣaṣṭhī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-04", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 26147, "anga": { "type": "tithi", "index": 5, "key": "shashthi", "name": "Ṣaṣṭhī", "start": { "local": "1970-12-03T21:29:30+08:00", "utc": "1970-12-03T13:29:30Z", "ms": 29078970384.569992 }, "end": { "local": "1970-12-04T19:32:30+08:00", "utc": "1970-12-04T11:32:30Z", "ms": 29158349624.61732 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-03T21:29:30+08:00", "utc": "1970-12-03T13:29:30Z", "ms": 29078970384.569992 }, "end": { "local": "1970-12-04T19:32:30+08:00", "utc": "1970-12-04T11:32:30Z", "ms": 29158349624.61732 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-12-03", "window": { "start": { "local": "1970-12-03T11:28:18+08:00", "utc": "1970-12-03T03:28:18Z", "ms": 29042898288.907066 }, "end": { "local": "1970-12-03T12:16:18+08:00", "utc": "1970-12-03T04:16:18Z", "ms": 29045778288.907066 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-12-04", "window": { "start": { "local": "1970-12-04T11:28:42+08:00", "utc": "1970-12-04T03:28:42Z", "ms": 29129322231.35441 }, "end": { "local": "1970-12-04T12:16:42+08:00", "utc": "1970-12-04T04:16:42Z", "ms": 29132202231.35441 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ṣaṣṭhī runs from 21:30 on Thu 3 Dec to 19:32 on Fri 4 Dec.", "fact": "1970-12-03T13:29:30Z → 1970-12-04T11:32:30Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 3rd, 11:29–12:17 on the 4th.", "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 3rd and 48 of 48 on the 4th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: purvaviddha → only-day · margin 26147 s" }, { "step": "ruling", "text": "Skanda Ṣaṣṭhī, Fuzhou, 1970: Friday 4 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": "1970-12-04", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-04", "confidence": "determinate" } ], "quote": "In Fuzhou, Skanda Ṣaṣṭhī 1970 falls on Friday 4 December. Ṣaṣṭhī runs from 21:30 on Thu 3 Dec to 19:32 on Fri 4 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/mitra-saptami", "festival": "mitra-saptami", "name": "Mitra Saptamī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-05", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 19046, "anga": { "type": "tithi", "index": 6, "key": "saptami", "name": "Saptamī", "start": { "local": "1970-12-04T19:32:30+08:00", "utc": "1970-12-04T11:32:30Z", "ms": 29158349624.61732 }, "end": { "local": "1970-12-05T17:34:33+08:00", "utc": "1970-12-05T09:34:33Z", "ms": 29237672638.99097 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-04T19:32:30+08:00", "utc": "1970-12-04T11:32:30Z", "ms": 29158349624.61732 }, "end": { "local": "1970-12-05T17:34:33+08:00", "utc": "1970-12-05T09:34:33Z", "ms": 29237672638.99097 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-12-04", "window": { "start": { "local": "1970-12-04T11:28:42+08:00", "utc": "1970-12-04T03:28:42Z", "ms": 29129322231.35441 }, "end": { "local": "1970-12-04T12:16:42+08:00", "utc": "1970-12-04T04:16:42Z", "ms": 29132202231.35441 } }, "covered_min": 0, "window_min": 48, "qualifies": false }, { "local_date": "1970-12-05", "window": { "start": { "local": "1970-12-05T11:29:07+08:00", "utc": "1970-12-05T03:29:07Z", "ms": 29215746743.931213 }, "end": { "local": "1970-12-05T12:17:07+08:00", "utc": "1970-12-05T04:17:07Z", "ms": 29218626743.931213 } }, "covered_min": 48, "window_min": 48, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Saptamī runs from 19:32 on Fri 4 Dec to 17:35 on Sat 5 Dec.", "fact": "1970-12-04T11:32:30Z → 1970-12-05T09:34:33Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 4th, 11:29–12:17 on the 5th.", "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 4th and 48 of 48 on the 5th.", "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 19046 s" }, { "step": "ruling", "text": "Mitra Saptamī, Fuzhou, 1970: Saturday 5 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": "1970-12-05", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-05", "confidence": "determinate" } ], "quote": "In Fuzhou, Mitra Saptamī 1970 falls on Saturday 5 December. Saptamī runs from 19:32 on Fri 4 Dec to 17:35 on Sat 5 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/ekadashi?on=1970-12-09", "festival": "ekadashi", "name": "Mokṣadā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 11961, "anga": { "type": "tithi", "index": 10, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-12-08T11:46:24+08:00", "utc": "1970-12-08T03:46:24Z", "ms": 29475984108.993195 }, "end": { "local": "1970-12-09T09:57:39+08:00", "utc": "1970-12-09T01:57:39Z", "ms": 29555858594.197266 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-08T11:46:24+08:00", "utc": "1970-12-08T03:46:24Z", "ms": 29475984108.993195 }, "end": { "local": "1970-12-09T09:57:39+08:00", "utc": "1970-12-09T01:57:39Z", "ms": 29555858594.197266 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-12-08", "window": { "start": { "local": "1970-12-08T06:37:36+08:00", "utc": "1970-12-07T22:37:36Z", "ms": 29457456263.849148 }, "end": { "local": "1970-12-08T06:37:36+08:00", "utc": "1970-12-07T22:37:36Z", "ms": 29457456263.849148 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-12-09", "window": { "start": { "local": "1970-12-09T06:38:17+08:00", "utc": "1970-12-08T22:38:17Z", "ms": 29543897254.251846 }, "end": { "local": "1970-12-09T06:38:17+08:00", "utc": "1970-12-08T22:38:17Z", "ms": 29543897254.251846 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 11:46 on Tue 8 Dec to 09:58 on Wed 9 Dec.", "fact": "1970-12-08T03:46:24Z → 1970-12-09T01:57:39Z" }, { "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 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 11961 s" }, { "step": "ruling", "text": "Mokṣadā Ekādaśī, Fuzhou, 1970: Wednesday 9 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": "1970-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Mokṣadā Ekādaśī 1970 falls on Wednesday 9 December. Ekādaśī runs from 11:46 on Tue 8 Dec to 09:58 on Wed 9 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-12-09", "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/1970/akhanda-dvadashi", "festival": "akhanda-dvadashi", "name": "Akhaṇḍa Dvādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-09", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5591, "anga": { "type": "tithi", "index": 11, "key": "dvadashi", "name": "Dvādaśī", "start": { "local": "1970-12-09T09:57:39+08:00", "utc": "1970-12-09T01:57:39Z", "ms": 29555858594.197266 }, "end": { "local": "1970-12-10T08:17:38+08:00", "utc": "1970-12-10T00:17:38Z", "ms": 29636257670.851974 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-09T09:57:39+08:00", "utc": "1970-12-09T01:57:39Z", "ms": 29555858594.197266 }, "end": { "local": "1970-12-10T08:17:38+08:00", "utc": "1970-12-10T00:17:38Z", "ms": 29636257670.851974 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-12-09", "window": { "start": { "local": "1970-12-09T11:30:50+08:00", "utc": "1970-12-09T03:30:50Z", "ms": 29561449980.03394 }, "end": { "local": "1970-12-09T12:18:50+08:00", "utc": "1970-12-09T04:18:50Z", "ms": 29564329980.03394 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-12-10", "window": { "start": { "local": "1970-12-10T11:31:17+08:00", "utc": "1970-12-10T03:31:17Z", "ms": 29647876959.079475 }, "end": { "local": "1970-12-10T12:19:17+08:00", "utc": "1970-12-10T04:19:17Z", "ms": 29650756959.079475 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Dvādaśī runs from 09:58 on Wed 9 Dec to 08:18 on Thu 10 Dec.", "fact": "1970-12-09T01:57:39Z → 1970-12-10T00:17:38Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 9th, 11:31–12:19 on the 10th.", "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 9th and 0 of 48 on the 10th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104" }, { "step": "tie_break", "text": "Only one midday qualifies. No tie-break is needed.", "fact": "priority: paraviddha → only-day · margin 5591 s" }, { "step": "ruling", "text": "Akhaṇḍa Dvādaśī, Fuzhou, 1970: Wednesday 9 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": "1970-12-09", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-09", "confidence": "determinate" } ], "quote": "In Fuzhou, Akhaṇḍa Dvādaśī 1970 falls on Wednesday 9 December. Dvādaśī runs from 09:58 on Wed 9 Dec to 08:18 on Thu 10 Dec and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/pradosha-vrata?on=1970-12-10", "festival": "pradosha-vrata", "name": "Śukla Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-10", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 32039, "anga": { "type": "tithi", "index": 12, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-12-10T08:17:38+08:00", "utc": "1970-12-10T00:17:38Z", "ms": 29636257670.851974 }, "end": { "local": "1970-12-11T06:51:14+08:00", "utc": "1970-12-10T22:51:14Z", "ms": 29717474429.125454 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-10T08:17:38+08:00", "utc": "1970-12-10T00:17:38Z", "ms": 29636257670.851974 }, "end": { "local": "1970-12-11T06:51:14+08:00", "utc": "1970-12-10T22:51:14Z", "ms": 29717474429.125454 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-12-10", "window": { "start": { "local": "1970-12-10T17:11:36+08:00", "utc": "1970-12-10T09:11:36Z", "ms": 29668296239.168564 }, "end": { "local": "1970-12-10T18:59:20+08:00", "utc": "1970-12-10T10:59:20Z", "ms": 29674760407.520233 } }, "covered_min": 108, "window_min": 108, "qualifies": true }, { "local_date": "1970-12-11", "window": { "start": { "local": "1970-12-11T17:11:51+08:00", "utc": "1970-12-11T09:11:51Z", "ms": 29754711210.25833 }, "end": { "local": "1970-12-11T18:59:39+08:00", "utc": "1970-12-11T10:59:39Z", "ms": 29761178607.122276 } }, "covered_min": 0, "window_min": 108, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 08:18 on Thu 10 Dec to 06:51 on Fri 11 Dec.", "fact": "1970-12-10T00:17:38Z → 1970-12-10T22:51:14Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–18:59 on the 10th, 17:12–19:00 on the 11th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 108 of 108 minutes on the 10th and 0 of 108 on the 11th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 32039 s" }, { "step": "ruling", "text": "Śukla Pradoṣa Vrata, Fuzhou, 1970: Thursday 10 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": "1970-12-10", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-10", "confidence": "determinate" } ], "quote": "In Fuzhou, Śukla Pradoṣa Vrata 1970 falls on Thursday 10 December. Trayodaśī runs from 08:18 on Thu 10 Dec to 06:51 on Fri 11 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-12-10", "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/1970/dattatreyotpatti", "festival": "dattatreyotpatti", "name": "Dattātreyotpatti", "everyday": "Datta Jayanti", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-12", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 36202, "anga": { "type": "tithi", "index": 14, "key": "purnima", "name": "Pūrṇimā", "start": { "local": "1970-12-12T05:44:21+08:00", "utc": "1970-12-11T21:44:21Z", "ms": 29799861353.562588 }, "end": { "local": "1970-12-13T05:03:20+08:00", "utc": "1970-12-12T21:03:20Z", "ms": 29883799815.438976 }, "month": { "amanta": 8, "purnimanta": 8, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Mārgaśīrṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-12T05:44:21+08:00", "utc": "1970-12-11T21:44:21Z", "ms": 29799861353.562588 }, "end": { "local": "1970-12-13T05:03:20+08:00", "utc": "1970-12-12T21:03:20Z", "ms": 29883799815.438976 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-12-11", "window": { "start": { "local": "1970-12-11T17:11:51+08:00", "utc": "1970-12-11T09:11:51Z", "ms": 29754711210.25833 }, "end": { "local": "1970-12-11T18:59:39+08:00", "utc": "1970-12-11T10:59:39Z", "ms": 29761178607.122276 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1970-12-12", "window": { "start": { "local": "1970-12-12T17:12:08+08:00", "utc": "1970-12-12T09:12:08Z", "ms": 29841127604.266796 }, "end": { "local": "1970-12-12T18:59:58+08:00", "utc": "1970-12-12T10:59:58Z", "ms": 29847597950.073704 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Pūrṇimā runs from 05:44 on Sat 12 Dec to 05:03 on Sun 13 Dec.", "fact": "1970-12-11T21:44:21Z → 1970-12-12T21:03:20Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–19:00 on the 11th, 17:12–19:00 on the 12th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 108 minutes on the 11th and 108 of 108 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 36202 s" }, { "step": "ruling", "text": "Dattātreyotpatti, Fuzhou, 1970: Saturday 12 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": "1970-12-12", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-12", "confidence": "determinate" } ], "quote": "In Fuzhou, Dattātreyotpatti (Datta Jayanti) 1970 falls on Saturday 12 December. Pūrṇimā runs from 05:44 on Sat 12 Dec to 05:03 on Sun 13 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/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/1970/sankashta-chaturthi?on=1970-12-16", "festival": "sankashta-chaturthi", "name": "Saṅkaṣṭa Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-16", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 39842, "anga": { "type": "tithi", "index": 18, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-12-16T06:28:37+08:00", "utc": "1970-12-15T22:28:37Z", "ms": 30148117318.571693 }, "end": { "local": "1970-12-17T08:13:05+08:00", "utc": "1970-12-17T00:13:05Z", "ms": 30240784603.057133 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-16T06:28:37+08:00", "utc": "1970-12-15T22:28:37Z", "ms": 30148117318.571693 }, "end": { "local": "1970-12-17T08:13:05+08:00", "utc": "1970-12-17T00:13:05Z", "ms": 30240784603.057133 } }, "kaala": "moonrise", "days": [ { "local_date": "1970-12-15", "window": { "start": { "local": "1970-12-15T19:24:36+08:00", "utc": "1970-12-15T11:24:36Z", "ms": 30108275644.151115 }, "end": { "local": "1970-12-15T19:24:36+08:00", "utc": "1970-12-15T11:24:36Z", "ms": 30108275644.151115 } }, "covered_min": 0, "window_min": 0, "qualifies": false }, { "local_date": "1970-12-16", "window": { "start": { "local": "1970-12-16T20:22:13+08:00", "utc": "1970-12-16T12:22:13Z", "ms": 30198132930.244797 }, "end": { "local": "1970-12-16T20:22:13+08:00", "utc": "1970-12-16T12:22:13Z", "ms": 30198132930.244797 } }, "covered_min": 1, "window_min": 0, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 06:29 on Wed 16 Dec to 08:13 on Thu 17 Dec.", "fact": "1970-12-15T22:28:37Z → 1970-12-17T00:13:05Z" }, { "step": "kaala", "text": "Moonrise is at 19:25 on the 15th and 20:22 on the 16th.", "fact": "moonrise: disc centre, 31′" }, { "step": "rule", "text": "Caturthī must be current at moonrise. It is not on the 15th and is on the 16th.", "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 39842 s" }, { "step": "ruling", "text": "Saṅkaṣṭa Caturthī, Fuzhou, 1970: Wednesday 16 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": "1970-12-16", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-16", "confidence": "determinate" } ], "quote": "In Fuzhou, Saṅkaṣṭa Caturthī 1970 falls on Wednesday 16 December. Caturthī runs from 06:29 on Wed 16 Dec to 08:13 on Thu 17 Dec and is current at moonrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/sankashta-chaturthi?on=1970-12-16", "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/1970/ekadashi?on=1970-12-24", "festival": "ekadashi", "name": "Saphalā Ekādaśī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-24", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 28856, "anga": { "type": "tithi", "index": 25, "key": "ekadashi", "name": "Ekādaśī", "start": { "local": "1970-12-23T22:01:05+08:00", "utc": "1970-12-23T14:01:05Z", "ms": 30808865460.38918 }, "end": { "local": "1970-12-24T22:46:36+08:00", "utc": "1970-12-24T14:46:36Z", "ms": 30897995648.22261 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-23T22:01:05+08:00", "utc": "1970-12-23T14:01:05Z", "ms": 30808865460.38918 }, "end": { "local": "1970-12-24T22:46:36+08:00", "utc": "1970-12-24T14:46:36Z", "ms": 30897995648.22261 } }, "kaala": "sunrise", "days": [ { "local_date": "1970-12-24", "window": { "start": { "local": "1970-12-24T06:47:04+08:00", "utc": "1970-12-23T22:47:04Z", "ms": 30840423854.06469 }, "end": { "local": "1970-12-24T06:47:04+08:00", "utc": "1970-12-23T22:47:04Z", "ms": 30840423854.06469 } }, "covered_min": 1, "window_min": 0, "qualifies": true }, { "local_date": "1970-12-25", "window": { "start": { "local": "1970-12-25T06:47:31+08:00", "utc": "1970-12-24T22:47:31Z", "ms": 30926851418.61235 }, "end": { "local": "1970-12-25T06:47:31+08:00", "utc": "1970-12-24T22:47:31Z", "ms": 30926851418.61235 } }, "covered_min": 0, "window_min": 0, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Ekādaśī runs from 22:01 on Wed 23 Dec to 22:47 on Thu 24 Dec.", "fact": "1970-12-23T14:01:05Z → 1970-12-24T14:46:36Z" }, { "step": "kaala", "text": "Sunrise is at 06:47 on the 24th and 06:48 on the 25th.", "fact": "sunrise: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not 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 28856 s" }, { "step": "ruling", "text": "Saphalā Ekādaśī, Fuzhou, 1970: Thursday 24 December.", "fact": "confidence: determinate" } ], "rule": { "kind": "lunar", "id": "ekadashi", "references": [ { "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals", "locator": "p. 105", "url": "https://archive.org/details/calendar_reform_comittee_report", "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day." } ], "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.", "kaala": "sunrise", "priority": "paraviddha", "when_absent": "tithi-day" }, "alternatives": [ { "kind": "profile", "profile": "classical@2026.1", "local_date": "1970-12-24", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-24", "confidence": "determinate" } ], "quote": "In Fuzhou, Saphalā Ekādaśī 1970 falls on Thursday 24 December. Ekādaśī runs from 22:01 on Wed 23 Dec to 22:47 on Thu 24 Dec and is current at sunrise that day.", "cite": "https://ahargana.org/fuzhou/festivals/1970/ekadashi?on=1970-12-24", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }, { "id": "/fuzhou/festivals/1970/pradosha-vrata?on=1970-12-26", "festival": "pradosha-vrata", "name": "Kṛṣṇa Pradoṣa Vrata", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 10452, "anga": { "type": "tithi", "index": 27, "key": "trayodashi", "name": "Trayodaśī", "start": { "local": "1970-12-25T22:45:34+08:00", "utc": "1970-12-25T14:45:34Z", "ms": 30984333538.495377 }, "end": { "local": "1970-12-26T22:00:28+08:00", "utc": "1970-12-26T14:00:28Z", "ms": 31068028014.800777 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-25T22:45:34+08:00", "utc": "1970-12-25T14:45:34Z", "ms": 30984333538.495377 }, "end": { "local": "1970-12-26T22:00:28+08:00", "utc": "1970-12-26T14:00:28Z", "ms": 31068028014.800777 } }, "kaala": "pradosha", "days": [ { "local_date": "1970-12-25", "window": { "start": { "local": "1970-12-25T17:17:41+08:00", "utc": "1970-12-25T09:17:41Z", "ms": 30964660744.148582 }, "end": { "local": "1970-12-25T19:05:43+08:00", "utc": "1970-12-25T11:05:43Z", "ms": 30971143023.183605 } }, "covered_min": 0, "window_min": 108, "qualifies": false }, { "local_date": "1970-12-26", "window": { "start": { "local": "1970-12-26T17:18:15+08:00", "utc": "1970-12-26T09:18:15Z", "ms": 31051094623.1457 }, "end": { "local": "1970-12-26T19:06:16+08:00", "utc": "1970-12-26T11:06:16Z", "ms": 31057575750.005238 } }, "covered_min": 108, "window_min": 108, "qualifies": true } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Trayodaśī runs from 22:46 on Fri 25 Dec to 22:00 on Sat 26 Dec.", "fact": "1970-12-25T14:45:34Z → 1970-12-26T14:00:28Z" }, { "step": "kaala", "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–19:06 on the 25th, 17:18–19:06 on the 26th.", "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′" }, { "step": "rule", "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 25th and 108 of 108 on the 26th.", "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108" }, { "step": "tie_break", "text": "Only one evening qualifies. No tie-break is needed.", "fact": "priority: unstated → only-day · margin 10452 s" }, { "step": "ruling", "text": "Kṛṣṇa Pradoṣa Vrata, Fuzhou, 1970: Saturday 26 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": "1970-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Kṛṣṇa Pradoṣa Vrata 1970 falls on Saturday 26 December. Trayodaśī runs from 22:46 on Fri 25 Dec to 22:00 on Sat 26 Dec and covers all of pradoṣa that evening.", "cite": "https://ahargana.org/fuzhou/festivals/1970/pradosha-vrata?on=1970-12-26", "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/1970/shivaratri?on=1970-12-26", "festival": "shivaratri", "name": "Śivarātri", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-26", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 5931, "anga": { "type": "tithi", "index": 28, "key": "chaturdashi", "name": "Caturdaśī", "start": { "local": "1970-12-26T22:00:28+08:00", "utc": "1970-12-26T14:00:28Z", "ms": 31068028014.800777 }, "end": { "local": "1970-12-27T20:36:59+08:00", "utc": "1970-12-27T12:36:59Z", "ms": 31149418503.585136 }, "month": { "amanta": 8, "purnimanta": 9, "adhika": false, "amanta_name": "Mārgaśīrṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-26T22:00:28+08:00", "utc": "1970-12-26T14:00:28Z", "ms": 31068028014.800777 }, "end": { "local": "1970-12-27T20:36:59+08:00", "utc": "1970-12-27T12:36:59Z", "ms": 31149418503.585136 } }, "kaala": "nishita", "days": [ { "local_date": "1970-12-26", "window": { "start": { "local": "1970-12-26T23:39:19+08:00", "utc": "1970-12-26T15:39:19Z", "ms": 31073958848.868977 }, "end": { "local": "1970-12-27T00:27:19+08:00", "utc": "1970-12-26T16:27:19Z", "ms": 31076838848.868977 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1970-12-27", "window": { "start": { "local": "1970-12-27T23:39:48+08:00", "utc": "1970-12-27T15:39:48Z", "ms": 31160388300.570904 }, "end": { "local": "1970-12-28T00:27:48+08:00", "utc": "1970-12-27T16:27:48Z", "ms": 31163268300.570904 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturdaśī runs from 22:00 on Sat 26 Dec to 20:37 on Sun 27 Dec.", "fact": "1970-12-26T14:00:28Z → 1970-12-27T12:36:59Z" }, { "step": "kaala", "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:39–00:27 on the 26th, 23:40–00:28 on the 27th.", "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 26th and 0 of 48 on the 27th.", "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 5931 s" }, { "step": "ruling", "text": "Śivarātri, Fuzhou, 1970: Saturday 26 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": "1970-12-26", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-26", "confidence": "determinate" } ], "quote": "In Fuzhou, Śivarātri 1970 falls on Saturday 26 December. Caturdaśī runs from 22:00 on Sat 26 Dec to 20:37 on Sun 27 Dec and covers all of niśītha that night.", "cite": "https://ahargana.org/fuzhou/festivals/1970/shivaratri?on=1970-12-26", "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/1970/vinayaka-chaturthi?on=1970-12-31", "festival": "vinayaka-chaturthi", "name": "Vināyaka Caturthī", "tradition": "smarta", "place": "1810821", "year": 1970, "local_date": "1970-12-31", "confidence": "determinate", "boundary_reasons": [], "boundary_margin_s": 1381, "anga": { "type": "tithi", "index": 3, "key": "chaturthi", "name": "Caturthī", "start": { "local": "1970-12-31T11:18:34+08:00", "utc": "1970-12-31T03:18:34Z", "ms": 31461513985.988117 }, "end": { "local": "1971-01-01T08:42:42+08:00", "utc": "1971-01-01T00:42:42Z", "ms": 31538561780.105545 }, "month": { "amanta": 9, "purnimanta": 9, "adhika": false, "amanta_name": "Pauṣa", "purnimanta_name": "Pauṣa" } }, "span": { "of": "tithi", "start": { "local": "1970-12-31T11:18:34+08:00", "utc": "1970-12-31T03:18:34Z", "ms": 31461513985.988117 }, "end": { "local": "1971-01-01T08:42:42+08:00", "utc": "1971-01-01T00:42:42Z", "ms": 31538561780.105545 } }, "kaala": "madhyahna", "days": [ { "local_date": "1970-12-31", "window": { "start": { "local": "1970-12-31T11:41:35+08:00", "utc": "1970-12-31T03:41:35Z", "ms": 31462894851.48009 }, "end": { "local": "1970-12-31T12:29:35+08:00", "utc": "1970-12-31T04:29:35Z", "ms": 31465774851.48009 } }, "covered_min": 48, "window_min": 48, "qualifies": true }, { "local_date": "1971-01-01", "window": { "start": { "local": "1971-01-01T11:42:04+08:00", "utc": "1971-01-01T03:42:04Z", "ms": 31549323879.93479 }, "end": { "local": "1971-01-01T12:30:04+08:00", "utc": "1971-01-01T04:30:04Z", "ms": 31552203879.93479 } }, "covered_min": 0, "window_min": 48, "qualifies": false } ], "decided_by": "only-day", "explanation": [ { "step": "anga", "text": "Caturthī runs from 11:19 on Thu 31 Dec to 08:43 on Fri 1 Jan.", "fact": "1970-12-31T03:18:34Z → 1971-01-01T00:42:42Z" }, { "step": "kaala", "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 31st, 11:42–12:30 on the 1st.", "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 31st and 0 of 48 on the 1st.", "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 1381 s" }, { "step": "ruling", "text": "Vināyaka Caturthī, Fuzhou, 1970: Thursday 31 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": "1970-12-31", "confidence": "determinate" }, { "kind": "profile", "profile": "compat-drikpanchang@2026.1", "local_date": "1970-12-31", "confidence": "determinate" } ], "quote": "In Fuzhou, Vināyaka Caturthī 1970 falls on Thursday 31 December. Caturthī runs from 11:19 on Thu 31 Dec to 08:43 on Fri 1 Jan and covers all of madhyāhna that midday.", "cite": "https://ahargana.org/fuzhou/festivals/1970/vinayaka-chaturthi?on=1970-12-31", "method": "pac-rp@2026.1", "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } } ], "engine": { "version": "0.1.0", "ruleset": "2026.3-draft", "kernel": "de440-1900-2100", "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74", "tzdata": "2026f" } }